Minimum ground-level temperature is below 10°C.

Cold in early morning and evening, with a chance of minimum temperature dropping below 10°C and significant day-night temperature difference.

Remember to:

1. Keep warm
2. Pay attention to indoor ventilation and electricity safety when using gas water heater and electric heater
3. Watch out for respiratory and cardiovascular diseases induced by low temperature
4. Care for the elderly, the homeless, and other people vulnerable to cold exposure
5. Take precaution to prevent damage to crops and aquaculture

Minimum ground-level temperature is below 6°C or minimum ground-level temperature is below 10°C and temperature remains below 12°C for 24 hours.

Very cold, with a chance of temperature remaining around or below 10°C or minimum temperature dropping below 6°C.

Remember to:

1. Take extra care to keep warm
2. Pay attention to indoor ventilation and electricity safety when using gas water heater and electric heater
3. Avoid prolonged stay in a cold environment, and watch out for respiratory and cardiovascular diseases induced by low temperature
4. Make sure children have protection to keep their head, neck, hands and feet warm, and care for the elderly, the homeless, and other people vulnerable to cold exposure
5. Pay attention to hand hygiene and cough etiquette as winter is usually flu season, and stay home and rest if you are ill
6. Take precaution to prevent damage to crops and aquaculture

Temperature remains below 6°C in for hours.

Extremely cold, with a chance of temperature remaining under 6°C.

Remember to:

1. Take special care to keep warm
2. Pay attention to indoor ventilation and electricity safety when using gas water heater and electric heater
3. Avoid prolonged stay in a cold environment, and watch out for respiratory and cardiovascular diseases induced by low temperature
4. Be sure to keep you head, neck, hands and feet warm, and take special care of the elderly, the homeless, and other people vulnerable to cold exposure
5. Pay attention to hand hygiene and cough etiquette as winter is usually flu season, and stay home and rest if you are ill
6. Take necessary measures to reduce damage to crops and aquaculture