December weather forecastSandra, Estonia

December

Weather in December

December, the first month of the winter in Sandra, is also a subzero cold month, with an average temperature varying between -3.9°C (25°F) and -0.3°C (31.5°F).

Temperature

December's arrival subtly correlates with a reduction in the average high-temperature, down from a wintry 3.6°C (38.5°F) in November to a subzero cold -0.3°C (31.5°F). Sandra's nighttime average temperature in December drops marginally from the daytime highs, settling at -3.9°C (25°F).

Humidity

In Sandra, the average relative humidity in December is 92%.

Rainfall

In Sandra, Estonia, in December, during 12.3 rainfall days, 45mm (1.77") of precipitation is typically accumulated. In Sandra, during the entire year, the rain falls for 161.5 days and collects up to 516mm (20.31") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Sandra, in December, snow falls for 19.5 days, with typically accumulated 173mm (6.81") of snow. Throughout the year, there are 92.6 snowfall days, and 841mm (33.11") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 6h and 30min of daylight.
On the first day of December in Sandra, sunrise is at 08:43 and sunset at 15:34. On the last day of the month, sunrise is at 09:08 and sunset at 15:37 EET.

Sunshine

The month with the least sunshine is December, with an average of 1.6h 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 Sandra. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 1 during December translates into the following directions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

An average high-temperature, in December, in Sandra, is -0.3°C (31.5°F) and the average low-temperature is -3.9°C (25°F).

In December, the average relative humidity is 92%.

In Sandra, during December, the rain falls for 12.3 days and regularly aggregates up to 45mm (1.77") of precipitation.

In Sandra, Estonia, in December, during 19.5 snowfall days, 173mm (6.81") of snow is typically accumulated.

The month with the shortest days is December, with an average of 6h and 30min of daylight.

The average day length in December in Sandra, Estonia, is 6h and 29min.

In December, on the first day of the month, sunrise is at 08:43 and sunset at 15:34. On the last day of the month, in Sandra, sunrise is at 09:08 and sunset at 15:37 EET.

The month with the least sunshine in Sandra is December, with an average of 1.6h of sunshine.

In Sandra, Estonia, the average sunshine duration in December is 1.6h.

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Sandra, Estonia.

The average daily maximum UV index in December in Sandra, Estonia, is 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Sandra, Estonia

  • Average high temperature in December: -0.3°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 (-3°C).

  • Average low temperature in December: -3.9°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 (-7.3°C).

Average pressure in December
Sandra, Estonia

  • Average pressure in December: 1010.4mbar

The months with the highest atmospheric pressure are May and October (1015.3mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).

Average wind speed in December
Sandra, Estonia

  • Average wind speed in December: 13.6km/h

The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).

Average humidity in December
Sandra, Estonia

  • Average humidity in December: 92%

The month with the highest relative humidity is February (94%).
The months with the lowest relative humidity are May and June (72%).

Average rainfall in December
Sandra, Estonia

  • Average rainfall in December: 45mm

The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in December
Sandra, Estonia

  • Average rainfall days in December: 12.3 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in December
Sandra, Estonia

  • Average snowfall in December: 173mm

The month with the highest snowfall is February (223mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Sandra, Estonia

  • Average snowfall days in December: 19.5 days

The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Sandra, Estonia

  • Average daylight in December: 6h and 30min

The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).

  • Average sunshine in December: 1h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).

Average sunshine days in December
Sandra, Estonia

  • Average sunshine days in December: 4.8 days

The month with the most sunshine days is May (14 days).
The month with the least sunshine days is December (4.8 days).

Average UV index in December
Sandra, 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
Sandra, Estonia

  • Average cloud cover in December: 81

The month with the most cloud cover is December (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 41).

Average visibility in December
Sandra, Estonia

  • Average visibility in December: 7km

The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (6km).