December weather forecastKullaa, Finland
December
Weather in December
December, the first month of the winter in Kullaa, is also a wintry month, with an average temperature ranging between max 0.3°C (32.5°F) and min -2.5°C (27.5°F).Temperature
December ushers in a minute temperature change, with average high-temperatures reducing from November's 3.8°C (38.8°F) to a still icy 0.3°C (32.5°F). Throughout December nights, Kullaa records a consistent low-temperature averaging a freezing cold -2.5°C (27.5°F).Humidity
In December, the average relative humidity is 89%.Rainfall
In Kullaa, in December, during 11.5 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In Kullaa, during the entire year, the rain falls for 154.3 days and collects up to 508mm (20") of precipitation.Snowfall
January through May, October through December are months with snowfall in Kullaa. In December, in Kullaa, it is snowing for 15.9 days. Throughout December, 142mm (5.59") of snow is accumulated. In Kullaa, during the entire year, snow falls for 82.2 days and aggregates up to 699mm (27.52") of snow.Daylight
December has the shortest days of the year in Kullaa, with an average of 5h and 30min of daylight.On the first day of the month, sunrise is at 09:20 and sunset at 15:20. On the last day of December, in Kullaa, Finland, sunrise is at 09:48 and sunset at 15:20 EET.
Sunshine
With an average of 2h of sunshine, December has the least sunshine of the year in Kullaa.UV index
January through March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 suggests this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kullaa, Finland
- Average high temperature in December: 0.3°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in December: -2.5°C
The month with the highest average low temperature is July (13.4°C).
The coldest month (with the lowest average low temperature) is January (-6°C).
Average pressure in December
Kullaa, Finland
- Average pressure in December: 1006.8mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).
Average wind speed in December
Kullaa, Finland
- Average wind speed in December: 16.6km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in December
Kullaa, Finland
- Average humidity in December: 89%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Kullaa, Finland
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is July (63mm).
The driest months (with the least rainfall) are March and April (31mm).
Average rainfall days in December
Kullaa, Finland
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Kullaa, Finland
- Average snowfall in December: 142mm
The month with the highest snowfall is February (163mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Kullaa, Finland
- Average snowfall days in December: 15.9 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Kullaa, Finland
- Average daylight in December: 5h and 30min
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 30min).
- Average sunshine in December: 2h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in December
Kullaa, Finland
- Average sunshine days in December: 8.7 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in December
Kullaa, 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 and December (UV index 1).
Average cloud cover in December
Kullaa, Finland
- Average cloud cover in December: 71
The months with the most cloud cover are January, February and December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Kullaa, Finland
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (7km).
