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
The advent of December brings a slight shift in average high-temperature, moving from a chilly 6.2°C (43.2°F) in November to a wintry 1.4°C (34.5°F). Rostowa's nighttime average temperature in December subtly descends to a subzero cold -1.9°C (28.6°F) from the daily highs.Humidity
The average relative humidity in December is 89%.Rainfall
In Rostowa, during December, the rain falls for 9.1 days and regularly aggregates up to 20mm (0.79") of precipitation. In Rostowa, during the entire year, the rain falls for 126.8 days and collects up to 277mm (10.91") of precipitation.Snowfall
January through April, October through December are months with snowfall in Rostowa. In Rostowa, Poland, in December, snow falls for 10.2 days, with typically accumulated 56mm (2.2") of snow. In Rostowa, during the entire year, snow falls for 46.4 days and aggregates up to 230mm (9.06") of snow.Daylight
December has the shortest days of the year in Rostowa, with an average of 7h and 42min of daylight.On the first day of December, sunrise is at 07:30 and sunset at 15:28. On the last day of the month, sunrise is at 07:52 and sunset at 15:33 CET.
Sunshine
In December, the average sunshine in Rostowa is 2.8h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Rostowa. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 1 translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Enhance your sun protection with tightly woven, yet airy clothing. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is December in Rostowa?
What is the average humidity in December in Rostowa?
How much does it rain in Rostowa in December?
How much does it snow in Rostowa in December?
What is the month with the shortest days in Rostowa?
What is the average length of the day in December in Rostowa?
When are sunrise and sunset in December in Rostowa?
How long on average sun shines in December in Rostowa?
What are the months with the lowest UV index in Rostowa?
What is the UV index reading in December in Rostowa?
Average temperature in December
Rostowa, Poland
- Average high temperature in December: 1.4°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in December
Rostowa, Poland
- Average pressure in December: 1015.2mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Rostowa, Poland
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Rostowa, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Rostowa, Poland
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is May (40mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Rostowa, Poland
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Rostowa, Poland
- Average snowfall in December: 56mm
The month with the highest snowfall is January (86mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Rostowa, Poland
- Average snowfall days in December: 10.2 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rostowa, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Rostowa, Poland
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Rostowa, Poland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Rostowa, Poland
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Rostowa, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
Rostowa, Poland
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