Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, with average temperatures reaching a high of 20.7°C (69.3°F) and a low of 14.4°C (57.9°F), is the coldest month.Humidity
In Hanoi, the average relative humidity in January is 73%.Rainfall
In Hanoi, in January, during 10.5 rainfall days, 17mm (0.67") of precipitation is typically accumulated. In Hanoi, during the entire year, the rain falls for 181.2 days and collects up to 595mm (23.43") of precipitation.Daylight
In January, the average length of the day is 11h and 1min.On the first day of January, sunrise is at 06:33 and sunset at 17:26. On the last day of the month, sunrise is at 06:33 and sunset at 17:45 +07.
Sunshine
January has the least sunshine of the year, with an average of 3.7h of sunshine.UV index
The average daily maximum UV index in January is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during January translates into the following guidance:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Hanoi?
What are January temperatures?
What is the average humidity in January?
How many days does it rain in January?
How many hours of daylight does Hanoi have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Hanoi have in January?
What is the UV index reading in January?
Average temperature in January
Hanoi, Vietnam
- Average high temperature in January: 20.7°C
The warmest month (with the highest average high temperature) is June (35.4°C).
The month with the lowest average high temperature is January (20.7°C).
- Average low temperature in January: 14.4°C
The month with the highest average low temperature is June (26.6°C).
The coldest month (with the lowest average low temperature) is January (14.4°C).
Average pressure in January
Hanoi, Vietnam
- Average pressure in January: 1019.2mbar
The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is June (1003.1mbar).
Average wind speed in January
Hanoi, Vietnam
- Average wind speed in January: 8.1km/h
The windiest month (with the highest average wind speed) is March (9.9km/h).
The calmest months (with the lowest average wind speed) are August and September (6.9km/h).
Average humidity in January
Hanoi, Vietnam
- Average humidity in January: 73%
The months with the highest relative humidity are August and September (80%).
The month with the lowest relative humidity is December (69%).
Average rainfall in January
Hanoi, Vietnam
- Average rainfall in January: 17mm
The wettest month (with the highest rainfall) is August (135mm).
The driest month (with the least rainfall) is February (7mm).
Average rainfall days in January
Hanoi, Vietnam
- Average rainfall days in January: 10.5 days
The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is February (7.8 days).
Average daylight in January /
Average sunshine in January
Hanoi, Vietnam
- Average daylight in January: 11h and 0min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Hanoi, Vietnam
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in January
Hanoi, Vietnam
- Average UV index in January: 5
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in January
Hanoi, Vietnam
- Average cloud cover in January: 66
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 40).
Average visibility in January
Hanoi, Vietnam
- Average visibility in January: 9km
The months with the highest visibility are February, March and June (10km).
The months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).
Hanoi, Vietnam
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