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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another subzero cold winter month in Ketchum, Idaho, with an average temperature ranging between max 26.8°F and min 8.4°F. January reports an average high-temperature of a still freezing cold 26.8°F, slightly varied from December's 25°F. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Ketchum, Idaho, with temperature in the range of an average low of 10°F and an average high of 27°F. Ketchum registers an average high-temperature of a still subzero cold 27°F with the arrival of February, showing minor deviation from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Ketchum, is a wintry month, with an average temperature ranging between max 32.2°F and min 16.9°F. At the onset of March, Ketchum records an average high-temperature of a wintry 32.2°F, showing little deviation from the preceding month. Weather in March »
Weather in April
April, the same as March, is a wintry spring month in Ketchum, Idaho, with temperature in the range of an average high of 39.9°F and an average low of 23.4°F. April brings a slight rise in Ketchum's average high-temperature, moving from a wintry 32.2°F in March to a still icy 39.9°F. Weather in April »
Weather in May
The last month of the spring, May, is a cool month in Ketchum, Idaho, with an average temperature fluctuating between 32.9°F and 51.4°F. The arrival of May brings a change in Ketchum's weather, with average high-temperatures moving from April's cold 39.9°F to a cool 51.4°F. Weather in May »
Weather in June
June, the first month of the summer in Ketchum, is an enjoyable month, with temperature in the range of an average high of 62.4°F and an average low of 41.5°F. With the onset of June, Ketchum's average high-temperature experiences a rise, moving from May's cool 51.4°F to a refreshing 62.4°F. Weather in June »
Weather in July
July in Ketchum, Idaho, is a warm summer month, with an average temperature varying between 74.1°F and 50.5°F. With average temperatures fluctuating between a high of 74.1°F and a low of 50.5°F, July stands out as the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Ketchum, is also an agreeable month, with temperature in the range of an average low of 50.5°F and an average high of 73.2°F. Ketchum experiences an average high-temperature of an agreeable 73.2°F in August, subtly different from July's 74.1°F. Weather in August »
Weather in September
The first month of the autumn, September, is still a comfortable month in Ketchum, Idaho, with an average temperature ranging between min 43.2°F and max 63.7°F. With September's onset, the average high-temperature recedes from August's agreeable 73.2°F to a comfortable 63.7°F. Weather in September »
Weather in October
October, like September, is a frosty autumn month in Ketchum, Idaho, with an average temperature fluctuating between 48°F and 31.1°F. A decrease in the average high-temperature marks October, falling from September's comfortable 63.7°F to a chilly 48°F. Weather in October »
Weather in November
The last month of the autumn, November, is also a wintry month in Ketchum, Idaho, with an average temperature varying between 34.7°F and 18.9°F. November involves a decrease in temperature, down from a frosty 48°F in October to an icy 34.7°F. Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Ketchum, Idaho, with an average temperature ranging between max 25°F and min 8.6°F. In Ketchum, December records the lowest average temperatures, peaking at 25°F and reaching a low of 8.6°F. Weather in December »
[Resources]Frequently asked questions
How much does it rain in Ketchum?
Throughout the year, in Ketchum, Idaho, there are 107.7 rainfall days, and 15.63" of precipitation is accumulated.
When does it snow in Ketchum?
Months with snowfall in Ketchum, Idaho, are January through June, September through December.
How many days does it snow in Ketchum?
In Ketchum, Idaho, during the entire year, snow falls for 88.2 days and aggregates up to 69.45" of snow.
What is the month with the least sunshine in Ketchum?
January has the least sunshine of the year, with an average of 5.7h of sunshine.
What is the most humid month in Ketchum?
February is the most humid month in Ketchum, with an average relative humidity of 87%.
What is the snowiest month in Ketchum?
February is the month with the most snowfall. Snow falls for 15.5 days and accumulates 15" of snow.
When is the lowest UV index in Ketchum?
February is the month with the lowest UV index, with an average maximum UV index of 1.
What is the rainiest month in Ketchum?
March is the month with the most rainfall. Rain falls for 11.4 days and accumulates 2.01" of precipitation.
When is Daylight Saving Time (DST) in Ketchum?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from MDT to MST.
When are the longest days in Ketchum?
With an average of 15h and 24min of daylight, June has the longest days of the year.
What is the month with the highest UV index in Ketchum?
June and July, with an average maximum UV index of 5, are months with the highest UV index in Ketchum, Idaho.
What time of the year is the hottest in Ketchum?
The average temperatures in Ketchum reach their apex in July, averaging 74.1°F at the high end and 50.5°F at the low end.
What is the driest month in Ketchum?
The month with the least rainfall in Ketchum is July, when the rain falls for 5.9 days and typically collects 0.43" of precipitation.
When it does not snow in Ketchum?
In Ketchum, Idaho, snow does not fall in July and August.
What month has the most sunshine in Ketchum?
With an average of 12h of sunshine, July has the most sunshine of the year in Ketchum.
What is the least humid month in Ketchum?
With an average relative humidity of 37%, August is the least humid month in Ketchum, Idaho.
What are the coldest months in Ketchum?
Ketchum's coldest month, December, registers temperatures that range from a high of 25°F to a low of 8.6°F.
What is the month with the shortest days in Ketchum?
With an average of 9h and 0min of daylight, December has the shortest days of the year.
Average temperature
Ketchum, ID
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is December (25°F).
The months with the highest average low temperature are July and August (50.5°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).
Average pressure
Ketchum, ID
- Average pressure in January:
30.27"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.24"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Ketchum, ID
- Average wind speed in January:
4.5mph - Average wind speed in February:
5.2mph - Average wind speed in March:
5.5mph - Average wind speed in April:
5.9mph - Average wind speed in May:
5.8mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
5.9mph - Average wind speed in September:
5.4mph - Average wind speed in October:
5.2mph - Average wind speed in November:
4.8mph - Average wind speed in December:
4.7mph
The windiest month (with the highest average wind speed) is July (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.5mph).
Average humidity
Ketchum, ID
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (37%).
Average rainfall
Ketchum, ID
- Average rainfall in January:
1.57" - Average rainfall in February:
1.93" - Average rainfall in March:
2.01" - Average rainfall in April:
1.5" - Average rainfall in May:
1.77" - Average rainfall in June:
1.22"
- Average rainfall in July:
0.43" - Average rainfall in August:
0.51" - Average rainfall in September:
0.87" - Average rainfall in October:
1.06" - Average rainfall in November:
1.1" - Average rainfall in December:
1.65"
The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days
Ketchum, ID
- Average rainfall days in January:
6.2 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
11.4 days - Average rainfall days in April:
11.9 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
11.5 days
- Average rainfall days in July:
5.9 days - Average rainfall days in August:
6.5 days - Average rainfall days in September:
8.8 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
7 days - Average rainfall days in December:
7 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is July (5.9 days).
Average snowfall
Ketchum, ID
- Average snowfall in January:
12.72" - Average snowfall in February:
15" - Average snowfall in March:
12.56" - Average snowfall in April:
5.83" - Average snowfall in May:
1.46" - Average snowfall in June:
0.2"
The month with the highest snowfall is February (15").
The months with the least snowfall are July and August (0").
Average snowfall days
Ketchum, ID
- Average snowfall days in January:
14.1 days - Average snowfall days in February:
15.5 days - Average snowfall days in March:
16 days - Average snowfall days in April:
10.6 days - Average snowfall days in May:
2.8 days - Average snowfall days in June:
0.7 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.5 days - Average snowfall days in October:
3.4 days - Average snowfall days in November:
10.6 days - Average snowfall days in December:
14 days
The month with the highest number of snowfall days is March (16 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Ketchum, ID
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 1min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
5h and 4min - Average sunshine in February:
6h and 2min - Average sunshine in March:
7h and 0min - Average sunshine in April:
9h and 4min - Average sunshine in May:
10h and 5min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
7h and 4min - Average sunshine in November:
6h and 4min - Average sunshine in December:
5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days
Ketchum, ID
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
11.7 days - Average sunshine days in March:
11.3 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
20.8 days - Average sunshine days in August:
20.6 days - Average sunshine days in September:
19.7 days - Average sunshine days in October:
18.2 days - Average sunshine days in November:
16.7 days - Average sunshine days in December:
15.8 days
The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is April (11.1 days).
Average UV index
Ketchum, ID
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover
Ketchum, ID
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility
Ketchum, ID
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Ketchum, Idaho, USA
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