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
The onset of December coincides with a reduction in the average high-temperature, falling from a chilly 8.9°C (48°F) in November to a wintry 3.5°C (38.3°F). Siemysłów upholds a consistent average temperature of -0.9°C (30.4°F) throughout the nights of December.Humidity
The average relative humidity in December in Siemysłów is 84%.Rainfall
In Siemysłów, during December, the rain falls for 9.9 days and regularly aggregates up to 23mm (0.91") of precipitation. Throughout the year, in Siemysłów, Poland, there are 143.2 rainfall days, and 338mm (13.31") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Siemysłów. In Siemysłów, in December, snow falls for 7.5 days, with typically accumulated 55mm (2.17") of snow. Throughout the year, there are 36.4 snowfall days, and 226mm (8.9") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 0min of daylight.On the first day of December in Siemysłów, sunrise is at 07:30 and sunset at 15:45. On the last day of the month, sunrise is at 07:51 and sunset at 15:51 CET.
Sunshine
In December, the average sunshine is 4h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Siemysłów. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 in December translates into these instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Siemysłów?
What is the average humidity in December in Siemysłów?
How many days does it rain in December in Siemysłów?
How many days does it snow in December in Siemysłów?
What is the month with the shortest days in Siemysłów?
What is the average length of the day in December in Siemysłów?
When are sunrise and sunset in December in Siemysłów?
How many hours of sunshine does Siemysłów have in December?
When is the lowest UV index in Siemysłów?
What is the UV index reading in December in Siemysłów?
Average temperature in December
Siemysłów, Poland
- Average high temperature in December: 3.5°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in December: -0.9°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 (-3.2°C).
Average pressure in December
Siemysłów, Poland
- Average pressure in December: 1017.6mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).
Average wind speed in December
Siemysłów, Poland
- Average wind speed in December: 14km/h
The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in December
Siemysłów, Poland
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Siemysłów, Poland
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is May (45mm).
The driest months (with the least rainfall) are February and November (18mm).
Average rainfall days in December
Siemysłów, Poland
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in December
Siemysłów, Poland
- Average snowfall in December: 55mm
The month with the highest snowfall is January (77mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Siemysłów, Poland
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siemysłów, Poland
- 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: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Siemysłów, Poland
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in December
Siemysłów, Poland
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Siemysłów, Poland
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Siemysłów, Poland
- Average visibility in December: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January and February (8km).
