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 beginning of December brings a slight decrease in the average high-temperature, transitioning from 5.7°C (42.3°F) in November to a still wintry 1.2°C (34.2°F). December registers an average low temperature of -2.4°C (27.7°F), subtly lower than the daytime maximum.Humidity
The average relative humidity in December is 89%.Rainfall
In December, the rain falls for 12.7 days. Throughout December, 36mm (1.42") of precipitation is accumulated. Throughout the year, there are 148.5 rainfall days, and 382mm (15.04") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Chostka, in December, snow falls for 12 days, with typically accumulated 103mm (4.06") of snow. In Chostka, Poland, during the entire year, snow falls for 61.6 days and aggregates up to 505mm (19.88") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 30min of daylight.On the first day of December, sunrise is at 07:28 and sunset at 15:18. On the last day of the month, sunrise is at 07:51 and sunset at 15:23 CET.
Sunshine
In Chostka, the average sunshine in December is 2.9h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Chostka have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Chostka, Poland
- Average high temperature in December: 1.2°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in December: -2.4°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in December
Chostka, Poland
- Average pressure in December: 1014.6mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in December
Chostka, Poland
- Average wind speed in December: 13.5km/h
The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Chostka, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Chostka, Poland
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is May (48mm).
The driest months (with the least rainfall) are April and September (23mm).
Average rainfall days in December
Chostka, Poland
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in December
Chostka, Poland
- Average snowfall in December: 103mm
The month with the highest snowfall is January (166mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Chostka, Poland
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chostka, Poland
- Average daylight in December: 7h and 3min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in December
Chostka, Poland
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is January (8 days).
Average UV index in December
Chostka, Poland
- Average UV index in December: 1
The months with the highest UV index are May, 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
Chostka, 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 35).
Average visibility in December
Chostka, Poland
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
