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
In December, the average high-temperature marginally drops from a frosty 7.5°C (45.5°F) in November to an icy 3.2°C (37.8°F). December nights in Sierakowo Słupskie witness a mild cool down to an average low of 0.2°C (32.4°F).Humidity
The months with the highest humidity in Sierakowo Słupskie are January, February and December, with an average relative humidity of 86%.Rainfall
In December, in Sierakowo Słupskie, the rain falls for 11.9 days. Throughout December, 36mm (1.42") of precipitation is accumulated. Throughout the year, there are 129.2 rainfall days, and 353mm (13.9") of precipitation is accumulated.Snowfall
Months with snowfall in Sierakowo Słupskie are January through May, November and December. In Sierakowo Słupskie, in December, during 6.9 snowfall days, 33mm (1.3") of snow is typically accumulated. In Sierakowo Słupskie, during the entire year, snow falls for 33.3 days and aggregates up to 196mm (7.72") of snow.Daylight
December has the shortest days of the year in Sierakowo Słupskie, with an average of 7h and 24min of daylight.On the first day of December, sunrise is at 07:50 and sunset at 15:32. On the last day of the month, sunrise is at 08:13 and sunset at 15:37 CET.
Sunshine
January and December, with an average of 2.8h of sunshine, are months with the least sunshine.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Sierakowo Słupskie?
What is the most humid month in Sierakowo Słupskie?
What is the average humidity in December in Sierakowo Słupskie?
How many days does it rain in December in Sierakowo Słupskie?
How much does it snow in Sierakowo Słupskie in December?
What is the month with the shortest days in Sierakowo Słupskie?
What is the average length of the day in December in Sierakowo Słupskie?
When are sunrise and sunset in December in Sierakowo Słupskie?
What are the months with the least sunshine in Sierakowo Słupskie?
How many hours of sunshine does Sierakowo Słupskie have in December?
What are the months with the lowest UV index in Sierakowo Słupskie?
What is the UV index reading in December in Sierakowo Słupskie?
Average temperature in December
Sierakowo Słupskie, Poland
- Average high temperature in December: 3.2°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (1.2°C).
- Average low temperature in December: 0.2°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-1.7°C).
Average pressure in December
Sierakowo Słupskie, Poland
- Average pressure in December: 1012.9mbar
The month with the highest atmospheric pressure is October (1016.3mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in December
Sierakowo Słupskie, Poland
- Average wind speed in December: 19.4km/h
The windiest month (with the highest average wind speed) is December (19.4km/h).
The calmest month (with the lowest average wind speed) is August (13.9km/h).
Average humidity in December
Sierakowo Słupskie, Poland
- Average humidity in December: 86%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Sierakowo Słupskie, Poland
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is July (38mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Sierakowo Słupskie, Poland
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is April (8 days).
Average snowfall in December
Sierakowo Słupskie, Poland
- Average snowfall in December: 33mm
The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Sierakowo Słupskie, Poland
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Sierakowo Słupskie, Poland
- Average daylight in December: 7h and 2min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 2h and 48min).
Average sunshine days in December
Sierakowo Słupskie, Poland
- Average sunshine days in December: 12 days
The months with the most sunshine days are April and May (19.8 days).
The month with the least sunshine days is December (12 days).
Average UV index in December
Sierakowo Słupskie, 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 November and December (UV index 1).
Average cloud cover in December
Sierakowo Słupskie, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Sierakowo Słupskie, Poland
- Average visibility in December: 9km
The months with the highest visibility are April, June, August, September and October (10km).
The months with the lowest visibility are January, February, March, May, July, November and December (9km).
