December weather forecastOster, Ukraine

December

Weather in December

December, the first month of the winter in Oster, is also an icy month, with an average temperature fluctuating between -3.5°C (25.7°F) and 0.5°C (32.9°F).

Temperature

In December, the average high-temperature decreases from a chilly 6.1°C (43°F) in November to an icy 0.5°C (32.9°F). Oster's December nights exhibit a subtle drop in temperature, averaging at a subzero cold -3.5°C (25.7°F), closely aligned with the daytime highs.

Humidity

In December, the average relative humidity is 90%.

Rainfall

In Oster, in December, during 5.9 rainfall days, 17mm (0.67") of precipitation is typically accumulated. In Oster, during the entire year, the rain falls for 100.7 days and collects up to 222mm (8.74") of precipitation.

Snowfall

Months with snowfall are January through April, October through December. December is the month with the most snowfall. Snow falls for 11.1 days and accumulates 85mm (3.35") of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 0min of daylight.
On the first day of the month, sunrise is at 07:37 and sunset at 15:53. On the last day of December, sunrise is at 07:59 and sunset at 16:00 EET.

Sunshine

In Oster, the average sunshine in December is 2.8h.

UV index

January, February, 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 minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 1 during December morphs into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

The high-temperature, in December, in Oster, is 0.5°C (32.9°F), while the low-temperature averages to -3.5°C (25.7°F). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 29°C (84.2°F).

In Oster, the average relative humidity in December is 90%.

In Oster, in December, during 5.9 rainfall days, 17mm (0.67") of precipitation is typically accumulated.

The month with the most snowfall is December, when snow falls for 11.1 days and typically aggregates up to 85mm (3.35") of snow.

In Oster, in December, snow falls for 11.1 days, with typically accumulated 85mm (3.35") of snow.

The month with the shortest days is December, with an average of 8h and 0min of daylight.

In Oster, Ukraine, the average day length in December is 8h and 1min.

In December, on the first day of the month, sunrise is at 07:37 and sunset at 15:53. On the last day of the month, sunrise is at 07:59 and sunset at 16:00 EET.

In Oster, the average sunshine duration in December is 2.8h.

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

The average daily maximum UV index in December is 1. A UV Index value 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
Oster, Ukraine

  • Average high temperature in December: 0.5°C

The warmest month (with the highest average high temperature) is July (27.1°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in December: -3.5°C

The month with the highest average low temperature is July (16.1°C).
The coldest month (with the lowest average low temperature) is January (-6.4°C).

Average pressure in December
Oster, Ukraine

  • Average pressure in December: 1018mbar

The months with the highest atmospheric pressure are October and November (1020mbar).
The month with the lowest atmospheric pressure is July (1012.6mbar).

Average wind speed in December
Oster, Ukraine

  • Average wind speed in December: 12.6km/h

The windiest month (with the highest average wind speed) is December (12.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in December
Oster, Ukraine

  • Average humidity in December: 90%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (61%).

Average rainfall in December
Oster, Ukraine

  • Average rainfall in December: 17mm

The wettest month (with the highest rainfall) is May (38mm).
The driest month (with the least rainfall) is October (9mm).

Average rainfall days in December
Oster, Ukraine

  • Average rainfall days in December: 5.9 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (3.8 days).

Average snowfall in December
Oster, Ukraine

  • Average snowfall in December: 85mm

The month with the highest snowfall is December (85mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Oster, Ukraine

  • Average snowfall days in December: 11.1 days

The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Oster, Ukraine

  • Average daylight in December: 8h and 0min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in December: 2h and 48min

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 2h and 24min).

Average sunshine days in December
Oster, Ukraine

  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is February (13.2 days).

Average UV index in December
Oster, Ukraine

  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December
Oster, Ukraine

  • Average cloud cover in December: 73

The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in December
Oster, Ukraine

  • Average visibility in December: 8km

The month with the highest visibility is August (10km).
The months with the lowest visibility are January and February (7km).