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
Illoinen's coldest month, January, registers temperatures that range from a high of -1.9°C (28.6°F) to a low of -5.3°C (22.5°F).Humidity
The average relative humidity in January in Illoinen, Finland, is 89%.Rainfall
In January, in Illoinen, the rain falls for 5.8 days. Throughout January, 28mm (1.1") of precipitation is accumulated. Throughout the year, in Illoinen, Finland, there are 134.6 rainfall days, and 394mm (15.51") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. January is the month with the most snowfall in Illoinen. Snow falls for 13.7 days and accumulates 103mm (4.06") of snow.Daylight
The average length of the day in January in Illoinen is 6h and 46min.On the first day of the month, sunrise is at 09:37 and sunset at 15:31. On the last day of January, sunrise is at 08:50 and sunset at 16:38 EET.
Sunshine
The average sunshine in January in Illoinen is 2.2h.UV index
The months with the lowest UV index in Illoinen, Finland, 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 unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 1 in January translates into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Illoinen?
How cold is January in Illoinen?
What is the average humidity in January in Illoinen?
How many days does it rain in January in Illoinen?
When does it snow the most in Illoinen?
How many days does it snow in January in Illoinen?
How many hours of daylight does Illoinen have in January?
When is the sunrise / sunset in January in Illoinen?
How many hours of sunshine does Illoinen have in January?
What is the month with the lowest UV index in Illoinen?
What is the UV index intensity in January in Illoinen?
Average temperature in January
Illoinen, 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
Illoinen, 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
Illoinen, 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
Illoinen, 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
Illoinen, 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
Illoinen, 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
Illoinen, 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
Illoinen, 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
Illoinen, Finland
- Average daylight in January: 6h and 5min
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: 1h and 54min).
Average sunshine days in January
Illoinen, 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
Illoinen, 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
Illoinen, 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
Illoinen, 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).
