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 snowfall in January
- Average snowfall 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 is the coldest month, with the temperature often reaching an average high of -1.9°C (28.6°F) and an average low of -5.3°C (22.5°F).Humidity
The average relative humidity in January is 89%.Rainfall
In Vaisaari, during January, the rain falls for 5.8 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, in Vaisaari, there are 133.7 rainfall days, and 390mm (15.35") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall in Vaisaari is January, when snow falls for 13.7 days and typically aggregates up to 103mm (4.06") of snow.Daylight
In Vaisaari, the average length of the day in January is 6h and 44min.On the first day of the month, sunrise is at 09:38 and sunset at 15:31. On the last day of January, sunrise is at 08:50 and sunset at 16:38 EET.
Sunshine
In January, the average sunshine is 2.2h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 during January translates into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What time of the year is the coldest in Vaisaari?
How cold is it in Vaisaari in January?
What is the average humidity in January in Vaisaari?
How much does it rain in Vaisaari in January?
What is the snowiest month in Vaisaari?
How much does it snow in Vaisaari in January?
How many hours of daylight does Vaisaari have in January?
What time are sunrise and sunset in January in Vaisaari?
How many hours of sunshine does Vaisaari have in January?
What is the month with the lowest UV index in Vaisaari?
How high is the UV index in January in Vaisaari?
Average temperature in January
Vaisaari, Finland
- Average high temperature in January: -1.9°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in January: -5.3°C
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).
Average pressure in January
Vaisaari, Finland
- Average pressure in January: 1011.1mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in January
Vaisaari, Finland
- Average wind speed in January: 18.6km/h
The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in January
Vaisaari, Finland
- Average humidity in January: 89%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in January
Vaisaari, Finland
- Average rainfall in January: 28mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in January
Vaisaari, Finland
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in January
Vaisaari, Finland
- Average snowfall in January: 103mm
The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Vaisaari, Finland
- Average snowfall days in January: 13.7 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Vaisaari, Finland
- Average daylight in January: 6h and 4min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in January: 2h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in January
Vaisaari, Finland
- Average sunshine days in January: 13.2 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in January
Vaisaari, Finland
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in January
Vaisaari, Finland
- Average cloud cover in January: 70
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in January
Vaisaari, Finland
- Average visibility in January: 9km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are February and March (8km).
Vaisaari, Finland
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