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 an average high-temperature of -4.3°C (24.3°F) and an average low-temperature of -8.4°C (16.9°F).Humidity
In January, the average relative humidity in Sionkylä is 94%.Rainfall
In Sionkylä, during January, the rain falls for 3.7 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, in Sionkylä, there are 114.9 rainfall days, and 260mm (10.24") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The months with the most snowfall in Sionkylä, Finland, are January through March, with an average 86mm (3.39") of accumulated snow.Daylight
In Sionkylä, Finland, the average length of the day in January is 6h and 29min.On the first day of the month, sunrise is at 09:42 and sunset at 15:15. On the last day of January, sunrise is at 08:51 and sunset at 16:26 EET.
Sunshine
In January, the average sunshine is 1.8h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Sionkylä. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 1 during January leads to these instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What is the coldest time of year in Sionkylä?
How cold is January in Sionkylä?
What is the average humidity in January in Sionkylä?
How much does it rain in Sionkylä in January?
When does it snow the most in Sionkylä?
How many days does it snow in January in Sionkylä?
How many hours of daylight does Sionkylä have in January?
When is the sunrise / sunset in January in Sionkylä?
How long on average sun shines in January in Sionkylä?
When is the lowest UV index in Sionkylä?
What is the UV index intensity in January in Sionkylä?
Average temperature in January
Sionkylä, Finland
- Average high temperature in January: -4.3°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in January: -8.4°C
The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is January (-8.4°C).
Average pressure in January
Sionkylä, Finland
- Average pressure in January: 1011.1mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.5mbar).
Average wind speed in January
Sionkylä, Finland
- Average wind speed in January: 11.9km/h
The windiest month (with the highest average wind speed) is December (12.6km/h).
The calmest month (with the lowest average wind speed) is July (10km/h).
Average humidity in January
Sionkylä, 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 (66%).
Average rainfall in January
Sionkylä, Finland
- Average rainfall in January: 17mm
The wettest month (with the highest rainfall) is July (37mm).
The driest months (with the least rainfall) are March and April (16mm).
Average rainfall days in January
Sionkylä, Finland
- Average rainfall days in January: 3.7 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3 days).
Average snowfall in January
Sionkylä, Finland
- Average snowfall in January: 86mm
The months with the highest snowfall are January, February and March (86mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Sionkylä, Finland
- Average snowfall days in January: 16.8 days
The month with the highest number of snowfall days is March (17.8 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Sionkylä, Finland
- Average daylight in January: 6h and 3min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in January: 1h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in January
Sionkylä, Finland
- Average sunshine days in January: 14.1 days
The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in January
Sionkylä, Finland
- Average UV index in January: 1
The months with the highest UV index are June and 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
Sionkylä, Finland
- Average cloud cover in January: 78
The month with the most cloud cover is February (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 44).
Average visibility in January
Sionkylä, Finland
- Average visibility in January: 6km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January, February and March (6km).
Sionkylä, Finland
Weather forecast for your location
2. Allow the app to use your location
