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 reports an average high-temperature of a still cold 1.2°C (34.2°F), slightly varied from December's 3.5°C (38.3°F). The nights of January anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of -1°C (30.2°F).Humidity
In Karlby, Finland, the average relative humidity in January is 82%.Rainfall
In Karlby, Finland, during January, the rain falls for 7.5 days and regularly aggregates up to 22mm (0.87") of precipitation. Throughout the year, in Karlby, there are 132.5 rainfall days, and 310mm (12.2") of precipitation is accumulated.Snowfall
Months with snowfall in Karlby are January through May, October through December. The month with the most snowfall in Karlby is January, when snow falls for 10.3 days and typically aggregates up to 41mm (1.61") of snow.Daylight
In Karlby, the average length of the day in January is 6h and 53min.On the first day of January in Karlby, sunrise is at 09:37 and sunset at 15:41. On the last day of the month, sunrise is at 08:52 and sunset at 16:46 EET.
Sunshine
In Karlby, Finland, the average sunshine in January is 2.3h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 1 during January morphs into the following directions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
How cold is January in Karlby?
What is the average humidity in January in Karlby?
How much does it rain in Karlby in January?
What is the snowiest month in Karlby?
How much does it snow in Karlby in January?
How many hours of daylight does Karlby have in January?
What time are sunrise and sunset in January in Karlby?
How long on average sun shines in January in Karlby?
What is the month with the lowest UV index in Karlby?
What is the UV index reading in January in Karlby?
Average temperature in January
Karlby, Finland
- Average high temperature in January: 1.2°C
The warmest month (with the highest average high temperature) is August (18.1°C).
The month with the lowest average high temperature is February (0.3°C).
- Average low temperature in January: -1°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (-1.7°C).
Average pressure in January
Karlby, Finland
- Average pressure in January: 1011.2mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in January
Karlby, Finland
- Average wind speed in January: 31.3km/h
The windiest month (with the highest average wind speed) is December (34.1km/h).
The calmest month (with the lowest average wind speed) is July (21.2km/h).
Average humidity in January
Karlby, Finland
- Average humidity in January: 82%
The months with the highest relative humidity are February and March (84%).
The months with the lowest relative humidity are August, September and October (78%).
Average rainfall in January
Karlby, Finland
- Average rainfall in January: 22mm
The wettest month (with the highest rainfall) is September (38mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in January
Karlby, Finland
- Average rainfall days in January: 7.5 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in January
Karlby, Finland
- Average snowfall in January: 41mm
The month with the highest snowfall is January (41mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Karlby, Finland
- Average snowfall days in January: 10.3 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Karlby, Finland
- Average daylight in January: 6h and 5min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in January: 2h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in January
Karlby, Finland
- Average sunshine days in January: 11.7 days
The month with the most sunshine days is May (19.3 days).
The month with the least sunshine days is December (8.9 days).
Average UV index in January
Karlby, 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 and December (UV index 1).
Average cloud cover in January
Karlby, Finland
- Average cloud cover in January: 71
The months with the most cloud cover are January and December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in January
Karlby, Finland
- Average visibility in January: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
Karlby, Finland
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