December weather forecastHärmä, Estonia
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Härmä, Estonia, with an average temperature ranging between min -4.3°C (24.3°F) and max -1°C (30.2°F).Temperature
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from an icy 3.3°C (37.9°F) to a subzero cold -1°C (30.2°F). Härmä's average nighttime temperature in December modestly descends to a still freezing cold -4.3°C (24.3°F).Humidity
In Härmä, the average relative humidity in December is 92%.Rainfall
In Härmä, during December, the rain falls for 9.5 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 160.5 rainfall days, and 490mm (19.29") of precipitation is accumulated.Snowfall
Months with snowfall in Härmä are January through May, October through December. In Härmä, during December, snow falls for 19.2 days and regularly aggregates up to 170mm (6.69") of snow. In Härmä, during the entire year, snow falls for 90 days and aggregates up to 807mm (31.77") of snow.Daylight
The month with the shortest days is December, with an average of 6h and 42min of daylight.On the first day of the month, sunrise is at 08:29 and sunset at 15:29. On the last day of December, in Härmä, sunrise is at 08:54 and sunset at 15:33 EET.
Sunshine
In December, the average sunshine in Härmä is 1.9h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Härmä. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Härmä, Estonia
- Average high temperature in December: -1°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in December: -4.3°C
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-8°C).
Average pressure in December
Härmä, Estonia
- Average pressure in December: 1011.6mbar
The month with the highest atmospheric pressure is October (1016.1mbar).
The month with the lowest atmospheric pressure is December (1011.6mbar).
Average wind speed in December
Härmä, Estonia
- Average wind speed in December: 14.4km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest months (with the lowest average wind speed) are July and August (10.9km/h).
Average humidity in December
Härmä, Estonia
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Härmä, Estonia
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in December
Härmä, Estonia
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Härmä, Estonia
- Average snowfall in December: 170mm
The month with the highest snowfall is February (190mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Härmä, Estonia
- Average snowfall days in December: 19.2 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Härmä, Estonia
- Average daylight in December: 6h and 42min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in December: 1h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 1h and 48min).
Average sunshine days in December
Härmä, Estonia
- Average sunshine days in December: 6.2 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (6.2 days).
Average UV index in December
Härmä, 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
Härmä, Estonia
- Average cloud cover in December: 83
The months with the most cloud cover are February and December (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Härmä, 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).
