Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Karjalohja experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from an icy 3.4°C (38.1°F) in November to a freezing cold -0.4°C (31.3°F). Karjalohja experiences an average nighttime temperature of -3.7°C (25.3°F) in December, reflecting a minor difference from the day's peak.Humidity
The average relative humidity in December in Karjalohja is 91%.Rainfall
In Karjalohja, during December, the rain falls for 8.5 days and regularly aggregates up to 26mm (1.02") of precipitation. In Karjalohja, during the entire year, the rain falls for 122.6 days and collects up to 277mm (10.91") of precipitation.Snowfall
January through May, October through December are months with snowfall in Karjalohja. The month with the most snowfall is December, when snow falls for 15.3 days and typically aggregates up to 91mm (3.58") of snow.Daylight
December has the shortest days of the year, with an average of 6h and 0min of daylight.On the first day of the month, sunrise is at 09:02 and sunset at 15:25. On the last day of December, in Karjalohja, sunrise is at 09:29 and sunset at 15:26 EET.
Sunshine
With an average of 1.7h of sunshine, December has the least sunshine of the year.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Karjalohja. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is it in Karjalohja in December?
What is the average humidity in December in Karjalohja?
How many days does it rain in December in Karjalohja?
What is the snowiest month in Karjalohja?
How much does it snow in Karjalohja in December?
What is the month with the shortest days in Karjalohja?
How many hours of daylight does Karjalohja have in December?
What time are sunrise and sunset in December in Karjalohja?
What is the month with the least sunshine in Karjalohja?
How long on average sun shines in December in Karjalohja?
What are the months with the lowest UV index in Karjalohja?
What is the UV index reading in December in Karjalohja?
Average temperature in December
Karjalohja, Finland
- Average high temperature in December: -0.4°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (-3.2°C).
- Average low temperature in December: -3.7°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).
Average pressure in December
Karjalohja, Finland
- Average pressure in December: 1008.1mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).
Average wind speed in December
Karjalohja, Finland
- Average wind speed in December: 15.2km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in December
Karjalohja, Finland
- Average humidity in December: 91%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Karjalohja, Finland
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Karjalohja, Finland
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Karjalohja, Finland
- Average snowfall in December: 91mm
The month with the highest snowfall is December (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Karjalohja, Finland
- Average snowfall days in December: 15.3 days
The month with the highest number of snowfall days is December (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Karjalohja, Finland
- Average daylight in December: 6h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in December: 1h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in December
Karjalohja, Finland
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is December (10.3 days).
Average UV index in December
Karjalohja, Finland
- Average UV index in December: 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 December
Karjalohja, Finland
- Average cloud cover in December: 74
The months with the most cloud cover are February and December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Karjalohja, Finland
- Average visibility in December: 8km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February and March (7km).
Karjalohja, Finland
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