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
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's 3.8°C (38.8°F) to a still cold 0.3°C (32.5°F). During December, Merikarvia's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at a subzero cold -2.5°C (27.5°F).Humidity
The average relative humidity in December is 89%.Rainfall
In Merikarvia, in December, it is raining for 11.5 days, with typically 51mm (2.01") of accumulated precipitation. Throughout the year, there are 154.3 rainfall days, and 508mm (20") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, in Merikarvia, it is snowing for 15.9 days. Throughout December, 142mm (5.59") of snow is accumulated. Throughout the year, there are 82.2 snowfall days, and 699mm (27.52") of snow is accumulated.Daylight
The month with the shortest days in Merikarvia is December, with an average of 5h and 24min of daylight.On the first day of the month, sunrise is at 09:26 and sunset at 15:19. On the last day of December, sunrise is at 09:55 and sunset at 15:19 EET.
Sunshine
The month with the least sunshine is December, with an average of 2h of sunshine.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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Merikarvia?
What is the average humidity in December in Merikarvia?
How many days does it rain in December in Merikarvia?
How many days does it snow in December in Merikarvia?
What is the month with the shortest days in Merikarvia?
How many hours of daylight does Merikarvia have in December?
When is the sunrise / sunset in December in Merikarvia?
What is the month with the least sunshine in Merikarvia?
How many hours of sunshine does Merikarvia have in December?
When is the lowest UV index in Merikarvia?
What is the UV index reading in December in Merikarvia?
Average temperature in December
Merikarvia, 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
Merikarvia, 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
Merikarvia, 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
Merikarvia, 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
Merikarvia, 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
Merikarvia, 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
Merikarvia, 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
Merikarvia, 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
Merikarvia, Finland
- Average daylight in December: 5h and 2min
The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- 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
Merikarvia, 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
Merikarvia, 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
Merikarvia, 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
Merikarvia, Finland
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (7km).
