December weather forecastMerja, Estonia
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Merja, Estonia, with temperature in the range of an average high of -0.5°C (31.1°F) and an average low of -3.7°C (25.3°F).Temperature
December heralds a minor drop in average high-temperature, sliding from November's icy 3.2°C (37.8°F) to a freezing cold -0.5°C (31.1°F). Merja's nocturnal average in December closely mirrors its daytime temperatures, settling at a still subzero cold -3.7°C (25.3°F).Humidity
The average relative humidity in December in Merja is 92%.Rainfall
In Merja, in December, during 7.9 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Merja, Estonia, during the entire year, the rain falls for 149.2 days and collects up to 459mm (18.07") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Merja, in December, snow falls for 17.4 days, with typically accumulated 172mm (6.77") of snow. Throughout the year, in Merja, Estonia, there are 92.1 snowfall days, and 819mm (32.24") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 6h and 24min of daylight.On the first day of December in Merja, sunrise is at 08:43 and sunset at 15:27. On the last day of the month, sunrise is at 09:08 and sunset at 15:29 EET.
Sunshine
The month with the least sunshine in Merja is December, with an average of 1.5h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Merja. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 1 in December transforms into this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Merja, Estonia
- Average high temperature in December: -0.5°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (-3.3°C).
- Average low temperature in December: -3.7°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).
Average pressure in December
Merja, Estonia
- Average pressure in December: 1009.8mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.8mbar).
Average wind speed in December
Merja, Estonia
- Average wind speed in December: 14.1km/h
The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is May (10.6km/h).
Average humidity in December
Merja, Estonia
- Average humidity in December: 92%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Merja, Estonia
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Merja, Estonia
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Merja, Estonia
- Average snowfall in December: 172mm
The month with the highest snowfall is February (179mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Merja, Estonia
- Average snowfall days in December: 17.4 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Merja, Estonia
- Average daylight in December: 6h and 24min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in December: 1h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in December
Merja, Estonia
- Average sunshine days in December: 9 days
The month with the most sunshine days is May (15.4 days).
The month with the least sunshine days is December (9 days).
Average UV index in December
Merja, Estonia
- 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
Merja, Estonia
- Average cloud cover in December: 82
The month with the most cloud cover is December (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Merja, Estonia
- Average visibility in December: 7km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (6km).
