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
With the onset of December, Świszewy's climate undergoes a slight change as the average high-temperature moves from a frosty 7.4°C (45.3°F) in November to an icy 2.6°C (36.7°F). During December, Świszewy's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at a subzero cold -0.5°C (31.1°F).Humidity
The average relative humidity in December is 87%.Rainfall
In Świszewy, during December, the rain falls for 9.6 days and regularly aggregates up to 18mm (0.71") of precipitation. In Świszewy, during the entire year, the rain falls for 137.4 days and collects up to 321mm (12.64") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Świszewy, in December, snow falls for 7 days, with typically accumulated 31mm (1.22") of snow. In Świszewy, during the entire year, snow falls for 33.1 days and aggregates up to 162mm (6.38") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 07:33 and sunset at 15:35. On the last day of December, sunrise is at 07:55 and sunset at 15:41 CET.
Sunshine
In December, the average sunshine in Świszewy is 3.4h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Świszewy?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Świszewy have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Świszewy, Poland
- Average high temperature in December: 2.6°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in December
Świszewy, Poland
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in December
Świszewy, Poland
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in December
Świszewy, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Świszewy, Poland
- Average rainfall in December: 18mm
The wettest months (with the highest rainfall) are June and July (46mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Świszewy, Poland
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Świszewy, Poland
- Average snowfall in December: 31mm
The month with the highest snowfall is January (49mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Świszewy, Poland
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Świszewy, Poland
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Świszewy, Poland
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in December
Świszewy, Poland
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Świszewy, Poland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Świszewy, Poland
- Average visibility in December: 8km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).
