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
Weather in December
Temperature
December is characterized by a slight reduction in average high-temperature, easing from an icy 5.5°C (41.9°F) in November to a still cold 1.9°C (35.4°F). Harju-Risti welcomes an average low temperature of -0.6°C (30.9°F) in December, a gentle shift from the day's high.Humidity
The average relative humidity in December in Harju-Risti is 86%.Rainfall
In December, in Harju-Risti, the rain falls for 13 days. Throughout December, 46mm (1.81") of precipitation is accumulated. In Harju-Risti, during the entire year, the rain falls for 159.9 days and collects up to 528mm (20.79") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 13.2 days. Throughout December, 82mm (3.23") of snow is accumulated. In Harju-Risti, during the entire year, snow falls for 60 days and aggregates up to 411mm (16.18") of snow.Daylight
The month with the shortest days in Harju-Risti is December, with an average of 6h and 18min of daylight.On the first day of December in Harju-Risti, sunrise is at 08:53 and sunset at 15:32. On the last day of the month, sunrise is at 09:19 and sunset at 15:34 EET.
Sunshine
December has the least sunshine of the year, with an average of 1.8h of sunshine.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold is it in Harju-Risti in December?
What is the average humidity in December in Harju-Risti?
How much does it rain in Harju-Risti in December?
How many days does it snow in December in Harju-Risti?
What is the month with the shortest days in Harju-Risti?
How many hours of daylight does Harju-Risti have in December?
When is the sunrise / sunset in December in Harju-Risti?
What is the month with the least sunshine in Harju-Risti?
How long on average sun shines in December in Harju-Risti?
When is the lowest UV index in Harju-Risti?
How high is the UV index in December in Harju-Risti?
Average temperature in December
Harju-Risti, Estonia
- Average high temperature in December: 1.9°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in December: -0.6°C
The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is February (-4.1°C).
Average pressure in December
Harju-Risti, Estonia
- Average pressure in December: 1008.9mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in December
Harju-Risti, Estonia
- Average wind speed in December: 24km/h
The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is May (15.2km/h).
Average humidity in December
Harju-Risti, Estonia
- Average humidity in December: 86%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May and August (75%).
Average rainfall in December
Harju-Risti, Estonia
- Average rainfall in December: 46mm
The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Harju-Risti, Estonia
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Harju-Risti, Estonia
- Average snowfall in December: 82mm
The month with the highest snowfall is January (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Harju-Risti, Estonia
- Average snowfall days in December: 13.2 days
The month with the highest number of snowfall days is December (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harju-Risti, 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 5min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in December
Harju-Risti, Estonia
- Average sunshine days in December: 6.9 days
The month with the most sunshine days is May (16.6 days).
The month with the least sunshine days is December (6.9 days).
Average UV index in December
Harju-Risti, Estonia
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover in December
Harju-Risti, Estonia
- Average cloud cover in December: 77
The month with the most cloud cover is December (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Harju-Risti, Estonia
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, October, November and December (9km).
Harju-Risti, Estonia
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