December weather forecastStrelna, Russia

December

Weather in December

The first month of the winter, December, is still a freezing cold month in Strelna, Russia, with temperature in the range of an average low of -4.1°C (24.6°F) and an average high of -1.2°C (29.8°F).

Temperature

December ushers in a minor alteration in Strelna's climate, with the average high-temperature moving from November's icy 3°C (37.4°F) to a freezing cold -1.2°C (29.8°F). In Strelna, the average low-temperature during December nights tends to settle at -4.1°C (24.6°F), indicating a slight drop from the daytime peak.

Humidity

The average relative humidity in December is 91%.

Rainfall

In Strelna, during December, the rain falls for 6.8 days and regularly aggregates up to 30mm (1.18") of precipitation. In Strelna, during the entire year, the rain falls for 127.5 days and collects up to 406mm (15.98") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 15.1 days. Throughout December, 112mm (4.41") of snow is accumulated. In Strelna, during the entire year, snow falls for 80.9 days and aggregates up to 628mm (24.72") of snow.

Sea temperature

In December, the average sea temperature is 2.8°C (37°F).
Note: When swimming, this is deemed life-endangering and extremely risky. The painful cold water instigates fast-paced hyperventilation. Wearing a specialized swimsuit is necessary to lessen thermal harm.

Daylight

The month with the shortest days in Strelna is December, with an average of 6h and 6min of daylight.
On the first day of December, sunrise is at 09:34 and sunset at 16:03. On the last day of the month, sunrise is at 10:00 and sunset at 16:05 MSK.

Sunshine

With an average of 1.3h of sunshine, December has the least sunshine of the year in Strelna.

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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 1 during December leads to these advisories:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

The average high-temperature and low-temperature during December are -1.2°C (29.8°F) and -4.1°C (24.6°F) respectively.

In December, the average relative humidity is 91%.

In Strelna, Russia, during December, the rain falls for 6.8 days and regularly aggregates up to 30mm (1.18") of precipitation.

In December, in Strelna, it is snowing for 15.1 days. Throughout December, 112mm (4.41") of snow is accumulated.

In Strelna, Russia, the average seawater temperature in December is 2.8°C (37°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

With an average of 6h and 6min of daylight, December has the shortest days of the year.

The average day length in December is 6h and 5min.

In December, on the first day of the month, sunrise is at 09:34 and sunset at 16:03. On the last day of the month, sunrise is at 10:00 and sunset at 16:05 MSK.

December has the least sunshine of the year, with an average of 1.3h of sunshine.

In Strelna, the average sunshine duration in December is 1.3h.

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

In Strelna, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health threat 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Strelna, Russia

  • Average high temperature in December: -1.2°C

The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-4.3°C).

  • Average low temperature in December: -4.1°C

The month with the highest average low temperature is July (14°C).
The coldest month (with the lowest average low temperature) is January (-8°C).

Average pressure in December
Strelna, Russia

  • Average pressure in December: 1010mbar

The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1010mbar).

Average wind speed in December
Strelna, Russia

  • Average wind speed in December: 17.3km/h

The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest months (with the lowest average wind speed) are May and July (12.3km/h).

Average humidity in December
Strelna, Russia

  • Average humidity in December: 91%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (73%).

Average rainfall in December
Strelna, Russia

  • Average rainfall in December: 30mm

The wettest month (with the highest rainfall) is August (56mm).
The driest month (with the least rainfall) is November (21mm).

Average rainfall days in December
Strelna, Russia

  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in December
Strelna, Russia

  • Average snowfall in December: 112mm

The month with the highest snowfall is February (151mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Strelna, Russia

  • Average snowfall days in December: 15.1 days

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in December
Strelna, Russia

  • Average sea temperature in December: 2.8°C

The best month for swimming (with the highest average sea temperature) is July (19°C).
The coldest month (with the lowest average sea temperature) is February (-0.3°C).

Average daylight in December /
Average sunshine in December
Strelna, Russia

  • Average daylight in December: 6h and 6min

The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).

  • Average sunshine in December: 1h and 18min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).

Average sunshine days in December
Strelna, Russia

  • Average sunshine days in December: 10.7 days

The month with the most sunshine days is May (18.7 days).
The month with the least sunshine days is February (10.6 days).

Average UV index in December
Strelna, Russia

  • Average UV index in December: 1

The month with the highest UV index is 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
Strelna, Russia

  • Average cloud cover in December: 82

The month with the most cloud cover is December (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in December
Strelna, Russia

  • Average visibility in December: 8km

The month with the highest visibility is June (10km).
The month with the lowest visibility is February (6km).