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 entails a temperature shift, as the average high-temperature decreases from a cold 5.9°C (42.6°F) in November to a still icy 0.8°C (33.4°F). Nighttime temperatures hover around an average low of -2°C (28.4°F) in December, a slight descent from daytime highs.Humidity
In Mętna, Poland, the average relative humidity in December is 89%.Rainfall
In Mętna, in December, during 11.1 rainfall days, 40mm (1.57") of precipitation is typically accumulated. Throughout the year, in Mętna, there are 163.1 rainfall days, and 492mm (19.37") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Mętna, in December, during 14.4 snowfall days, 114mm (4.49") of snow is typically accumulated. In Mętna, during the entire year, snow falls for 65.9 days and aggregates up to 534mm (21.02") of snow.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year in Mętna.On the first day of December, sunrise is at 07:15 and sunset at 15:18. On the last day of the month, sunrise is at 07:37 and sunset at 15:24 CET.
Sunshine
The average sunshine in December in Mętna is 1.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. 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 Mętna?
What is the average humidity in December in Mętna?
How much does it rain in Mętna in December?
How many days does it snow in December in Mętna?
What is the month with the shortest days in Mętna?
What is the average length of the day in December in Mętna?
When are sunrise and sunset in December in Mętna?
How long on average sun shines in December in Mętna?
What are the months with the lowest UV index in Mętna?
How high is the UV index in December in Mętna?
Average temperature in December
Mętna, Poland
- Average high temperature in December: 0.8°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-1.5°C).
- Average low temperature in December: -2°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in December
Mętna, Poland
- Average pressure in December: 1016.2mbar
The month with the highest atmospheric pressure is October (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Mętna, Poland
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is December (15km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in December
Mętna, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and August (69%).
Average rainfall in December
Mętna, Poland
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is May (72mm).
The driest month (with the least rainfall) is February (27mm).
Average rainfall days in December
Mętna, Poland
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in December
Mętna, Poland
- Average snowfall in December: 114mm
The month with the highest snowfall is January (173mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Mętna, Poland
- Average snowfall days in December: 14.4 days
The month with the highest number of snowfall days is January (18.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mętna, 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: 1h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in December
Mętna, Poland
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is October (15.2 days).
The month with the least sunshine days is January (7.2 days).
Average UV index in December
Mętna, Poland
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Mętna, Poland
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Mętna, 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).
