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
January
Weather in January
Temperature
Temperature records mark January as the coldest month, with highs averaging -4.9°C (23.2°F) and lows at -9.2°C (15.4°F).Humidity
The average relative humidity in January is 94%.Rainfall
In Jämsänkoski, in January, it is raining for 4.3 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, in Jämsänkoski, there are 125.3 rainfall days, and 390mm (15.35") of precipitation is accumulated.Snowfall
Months with snowfall in Jämsänkoski are January through June, September through December. In Jämsänkoski, in January, during 20.3 snowfall days, 198mm (7.8") of snow is typically accumulated. In Jämsänkoski, Finland, during the entire year, snow falls for 99.7 days and aggregates up to 915mm (36.02") of snow.Daylight
In January, the average length of the day is 6h and 20min.On the first day of January in Jämsänkoski, sunrise is at 09:41 and sunset at 15:04. On the last day of the month, sunrise is at 08:47 and sunset at 16:17 EET.
Sunshine
In Jämsänkoski, the average sunshine in January is 1.5h.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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 1 in January, converts into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Stay sun-safe with clothing that is both closely woven and worn loosely. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Jämsänkoski?
How cold is it in Jämsänkoski in January?
What is the average humidity in January in Jämsänkoski?
How many days does it rain in January in Jämsänkoski?
How many days does it snow in January in Jämsänkoski?
What is the average length of the day in January in Jämsänkoski?
When are sunrise and sunset in January in Jämsänkoski?
How many hours of sunshine does Jämsänkoski have in January?
When is the lowest UV index in Jämsänkoski?
How high is the UV index in January in Jämsänkoski?
Average temperature in January
Jämsänkoski, Finland
- Average high temperature in January: -4.9°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 (-4.9°C).
- Average low temperature in January: -9.2°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-9.2°C).
Average pressure in January
Jämsänkoski, Finland
- Average pressure in January: 1011.3mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in January
Jämsänkoski, Finland
- Average wind speed in January: 12km/h
The windiest month (with the highest average wind speed) is December (13.1km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).
Average humidity in January
Jämsänkoski, Finland
- Average humidity in January: 94%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in January
Jämsänkoski, Finland
- Average rainfall in January: 31mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in January
Jämsänkoski, Finland
- Average rainfall days in January: 4.3 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in January
Jämsänkoski, Finland
- Average snowfall in January: 198mm
The month with the highest snowfall is December (202mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in January
Jämsänkoski, Finland
- Average snowfall days in January: 20.3 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Jämsänkoski, Finland
- Average daylight in January: 6h and 2min
The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in January: 1h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average sunshine days in January
Jämsänkoski, Finland
- Average sunshine days in January: 10.4 days
The month with the most sunshine days is May (17.5 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in January
Jämsänkoski, 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
Jämsänkoski, Finland
- Average cloud cover in January: 82
The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in January
Jämsänkoski, Finland
- Average visibility in January: 5km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
