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
The move into December indicates a slight reduction in the average high-temperature, down from November's 3.9°C (39°F) to a still wintry 0°C (32°F). Harmi records a negligible downturn from daytime temperatures, averaging a low of -3.7°C (25.3°F) in the month of December.Humidity
In Harmi, the average relative humidity in December is 92%.Rainfall
In Harmi, during December, the rain falls for 11.7 days and regularly aggregates up to 44mm (1.73") of precipitation. In Harmi, during the entire year, the rain falls for 161 days and collects up to 505mm (19.88") of precipitation.Snowfall
January through May, October through December are months with snowfall in Harmi. In Harmi, in December, during 16.9 snowfall days, 148mm (5.83") of snow is typically accumulated. Throughout the year, there are 85.8 snowfall days, and 815mm (32.09") of snow is accumulated.Daylight
The month with the shortest days in Harmi is December, with an average of 6h and 18min of daylight.On the first day of the month, sunrise is at 08:47 and sunset at 15:28. On the last day of December, sunrise is at 09:13 and sunset at 15:31 EET.
Sunshine
The month with the least sunshine in Harmi is December, with an average of 1.4h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 1 during December leads to these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Harmi?
What is the average humidity in December in Harmi?
How much does it rain in Harmi in December?
How much does it snow in Harmi in December?
What is the month with the shortest days in Harmi?
What is the average length of the day in December in Harmi?
What time are sunrise and sunset in December in Harmi?
What is the month with the least sunshine in Harmi?
How long on average sun shines in December in Harmi?
When is the lowest UV index in Harmi?
How high is the UV index in December in Harmi?
Average temperature in December
Harmi, Estonia
- Average high temperature in December: 0°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in December: -3.7°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-6.9°C).
Average pressure in December
Harmi, Estonia
- Average pressure in December: 1009.4mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).
Average wind speed in December
Harmi, Estonia
- Average wind speed in December: 13.3km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in December
Harmi, Estonia
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and June (71%).
Average rainfall in December
Harmi, Estonia
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Harmi, Estonia
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in December
Harmi, Estonia
- Average snowfall in December: 148mm
The month with the highest snowfall is February (203mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Harmi, Estonia
- Average snowfall days in December: 16.9 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
Harmi, Estonia
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 1h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in December
Harmi, Estonia
- Average sunshine days in December: 6.1 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (6.1 days).
Average UV index in December
Harmi, 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
Harmi, Estonia
- Average cloud cover in December: 82
The month with the most cloud cover is December (Cloud cover 82).
The months with the least cloud cover are May and July (Cloud cover 42).
Average visibility in December
Harmi, Estonia
- Average visibility in December: 7km
The months with the highest visibility are May, June and July (9km).
The month with the lowest visibility is February (6km).
