December weather forecastÖja, Finland
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Öja, Finland, with an average temperature varying between -3.5°C (25.7°F) and -0.8°C (30.6°F).Temperature
Öja records a mild change in average high-temperature during December, easing from a cold 2.9°C (37.2°F) in November to a freezing cold -0.8°C (30.6°F). Throughout December, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of -3.5°C (25.7°F).Humidity
The average relative humidity in December in Öja is 89%.Rainfall
In Öja, Finland, in December, it is raining for 6.2 days, with typically 22mm (0.87") of accumulated precipitation. In Öja, during the entire year, the rain falls for 120 days and collects up to 295mm (11.61") of precipitation.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 16 days and accumulates 87mm (3.43") of snow.Daylight
The month with the shortest days in Öja is December, with an average of 4h and 36min of daylight.On the first day of the month, sunrise is at 09:43 and sunset at 14:52. On the last day of December, in Öja, sunrise is at 10:15 and sunset at 14:47 EET.
Sunshine
With an average of 1.1h of sunshine, December has the least sunshine of the year in Öja.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 suggests this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Öja, Finland
- Average high temperature in December: -0.8°C
The warmest month (with the highest average high temperature) is July (18.2°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in December: -3.5°C
The month with the highest average low temperature is July (12.9°C).
The coldest months (with the lowest average low temperature) are January and February (-7.3°C).
Average pressure in December
Öja, Finland
- Average pressure in December: 1005.5mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.5mbar).
Average wind speed in December
Öja, Finland
- Average wind speed in December: 19.2km/h
The windiest month (with the highest average wind speed) is December (19.2km/h).
The calmest month (with the lowest average wind speed) is July (13.2km/h).
Average humidity in December
Öja, Finland
- Average humidity in December: 89%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is June (72%).
Average rainfall in December
Öja, Finland
- Average rainfall in December: 22mm
The wettest month (with the highest rainfall) is August (39mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Öja, Finland
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in December
Öja, Finland
- Average snowfall in December: 87mm
The month with the highest snowfall is December (87mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Öja, Finland
- Average snowfall days in December: 16 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Öja, Finland
- Average daylight in December: 4h and 36min
The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 36min).
- Average sunshine in December: 1h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in December
Öja, Finland
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is May (17.5 days).
The month with the least sunshine days is December (10.5 days).
Average UV index in December
Öja, 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, November and December (UV index 1).
Average cloud cover in December
Öja, Finland
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is June (Cloud cover 38).
Average visibility in December
Öja, 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 January, February, March and April (8km).
