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 proves to be the coldest month, recording an average maximum temperature of -2.8°C (27°F) and a minimum temperature of -6.5°C (20.3°F).Humidity
The average relative humidity in January is 91%.Rainfall
In Järvenpää, during January, the rain falls for 3.5 days and regularly aggregates up to 22mm (0.87") of precipitation. In Järvenpää, during the entire year, the rain falls for 120.2 days and collects up to 354mm (13.94") of precipitation.Snowfall
Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 11 days and accumulates 94mm (3.7") of snow.Daylight
In January, the average length of the day in Järvenpää is 6h and 44min.On the first day of the month, sunrise is at 09:26 and sunset at 15:19. On the last day of January, sunrise is at 08:39 and sunset at 16:26 EET.
Sunshine
The average sunshine in January in Järvenpää is 2.1h.UV index
The months with the lowest UV index in Järvenpää are January through March, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: In January, the maximum UV index of 1 transforms into these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. To protect against the Sun's most potent rays, avoid direct exposure around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Järvenpää?
How cold is January in Järvenpää?
What is the average humidity in January in Järvenpää?
How many days does it rain in January in Järvenpää?
What is the snowiest month in Järvenpää?
How many days does it snow in January in Järvenpää?
How many hours of daylight does Järvenpää have in January?
What time are sunrise and sunset in January in Järvenpää?
How many hours of sunshine does Järvenpää have in January?
What are the months with the lowest UV index in Järvenpää?
How high is the UV index in January in Järvenpää?
Average temperature in January
Järvenpää, Finland
- Average high temperature in January: -2.8°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in January: -6.5°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).
Average pressure in January
Järvenpää, Finland
- Average pressure in January: 1011.8mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in January
Järvenpää, Finland
- Average wind speed in January: 15km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).
Average humidity in January
Järvenpää, Finland
- Average humidity in January: 91%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in January
Järvenpää, Finland
- Average rainfall in January: 22mm
The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is May (15mm).
Average rainfall days in January
Järvenpää, Finland
- Average rainfall days in January: 3.5 days
The months with the highest number of rainy days are July, August and September (15.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in January
Järvenpää, Finland
- Average snowfall in January: 94mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Järvenpää, Finland
- Average snowfall days in January: 11 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Järvenpää, 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 June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in January
Järvenpää, Finland
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is May (21.9 days).
The month with the least sunshine days is November (11.1 days).
Average UV index in January
Järvenpää, Finland
- Average UV index in January: 1
The month with the highest UV index is July (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
Järvenpää, Finland
- Average cloud cover in January: 74
The months with the most cloud cover are February and December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in January
Järvenpää, Finland
- Average visibility in January: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are February and March (7km).
Järvenpää, Finland
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