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
December
Weather in December
Temperature
A mild shift in the average high-temperature occurs in December, reducing from a wintry 3.9°C (39°F) in November to a still cold 0.5°C (32.9°F). Nights in December cool down in Klaukkala, indicating a minor disparity from daytime highs with an average low-temperature of -2.7°C (27.1°F).Humidity
In December, the average relative humidity in Klaukkala is 90%.Rainfall
In Klaukkala, in December, during 7.8 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, there are 120 rainfall days, and 353mm (13.9") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Klaukkala, during December, snow falls for 10.8 days and regularly aggregates up to 66mm (2.6") of snow. In Klaukkala, during the entire year, snow falls for 53.9 days and aggregates up to 433mm (17.05") of snow.Daylight
December has the shortest days of the year, with an average of 5h and 54min of daylight.On the first day of December, sunrise is at 08:59 and sunset at 15:20. On the last day of the month, sunrise is at 09:26 and sunset at 15:21 EET.
Sunshine
December has the least sunshine of the year, with an average of 1.9h of sunshine.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 reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Klaukkala?
What is the average humidity in December in Klaukkala?
How much does it rain in Klaukkala in December?
How much does it snow in Klaukkala in December?
What is the month with the shortest days in Klaukkala?
What is the average length of the day in December in Klaukkala?
When are sunrise and sunset in December in Klaukkala?
What is the month with the least sunshine in Klaukkala?
How long on average sun shines in December in Klaukkala?
When is the lowest UV index in Klaukkala?
What is the UV index reading in December in Klaukkala?
Average temperature in December
Klaukkala, Finland
- Average high temperature in December: 0.5°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 (-2.8°C).
- Average low temperature in December: -2.7°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).
Average pressure in December
Klaukkala, Finland
- Average pressure in December: 1008.6mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in December
Klaukkala, Finland
- Average wind speed in December: 16.9km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).
Average humidity in December
Klaukkala, Finland
- Average humidity in December: 90%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Klaukkala, Finland
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is May (15mm).
Average rainfall days in December
Klaukkala, Finland
- Average rainfall days in December: 7.8 days
The months with the highest number of rainy days are July and August (15.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Klaukkala, Finland
- Average snowfall in December: 66mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Klaukkala, Finland
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Klaukkala, Finland
- Average daylight in December: 5h 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 December: 1h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in December
Klaukkala, Finland
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is May (21.9 days).
The month with the least sunshine days is November (11.1 days).
Average UV index in December
Klaukkala, Finland
- Average UV index in December: 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 December
Klaukkala, Finland
- Average cloud cover in December: 75
The months with the most cloud cover are February and December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Klaukkala, Finland
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are February and March (7km).
