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
December is characterized by a slight reduction in average high-temperature, easing from a cold 3.3°C (37.9°F) in November to a subzero cold -1°C (30.2°F). Mammaste, during the December nights, maintains an average temperature of -4.3°C (24.3°F), closely aligned with its daytime readings.Humidity
In December, the average relative humidity in Mammaste is 92%.Rainfall
In Mammaste, 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 Mammaste are January through May, October through December. In December, in Mammaste, it is snowing for 19.2 days. Throughout December, 170mm (6.69") of snow is accumulated. In Mammaste, during the entire year, snow falls for 90 days and aggregates up to 807mm (31.77") of snow.Daylight
With an average of 6h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:32 and sunset at 15:29. On the last day of the month, sunrise is at 08:57 and sunset at 15:32 EET.
Sunshine
In December, the average sunshine 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. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Mammaste in December?
What is the average humidity in December in Mammaste?
How many days does it rain in December in Mammaste?
How much does it snow in Mammaste in December?
What is the month with the shortest days in Mammaste?
What is the average length of the day in December in Mammaste?
When are sunrise and sunset in December in Mammaste?
How long on average sun shines in December in Mammaste?
What is the month with the lowest UV index in Mammaste?
How high is the UV index in December in Mammaste?
Average temperature in December
Mammaste, 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
Mammaste, 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
Mammaste, 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
Mammaste, 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
Mammaste, 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
Mammaste, 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
Mammaste, 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
Mammaste, 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
Mammaste, Estonia
- Average daylight in December: 6h and 4min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in December: 1h and 5min
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
Mammaste, 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
Mammaste, 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
Mammaste, 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
Mammaste, 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).
