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
Weather in December
Temperature
December suggests a modest reduction in the average high-temperature, shifting from a frosty 7.3°C (45.1°F) in November to a wintry 0.9°C (33.6°F). In Jaćmierz, the nightly December temperatures experience a slight descent from daily highs to an average low of -3.2°C (26.2°F).Humidity
In Jaćmierz, Poland, the average relative humidity in December is 89%.Rainfall
In Jaćmierz, during December, the rain falls for 8.1 days and regularly aggregates up to 32mm (1.26") of precipitation. In Jaćmierz, during the entire year, the rain falls for 146.8 days and collects up to 453mm (17.83") of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 13.4 days and typically aggregates up to 142mm (5.59") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 07:07 and sunset at 15:34. On the last day of December, in Jaćmierz, Poland, sunrise is at 07:28 and sunset at 15:41 CET.
Sunshine
The average sunshine in December in Jaćmierz is 3.6h.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 value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold is it in Jaćmierz in December?
What is the average humidity in December in Jaćmierz?
How much does it rain in Jaćmierz in December?
When does it snow the most in Jaćmierz?
How many days does it snow in December in Jaćmierz?
What is the month with the shortest days in Jaćmierz?
How many hours of daylight does Jaćmierz have in December?
When is the sunrise / sunset in December in Jaćmierz?
How long on average sun shines in December in Jaćmierz?
What is the month with the lowest UV index in Jaćmierz?
What is the UV index intensity in December in Jaćmierz?
Average temperature in December
Jaćmierz, Poland
- Average high temperature in December: 0.9°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in December: -3.2°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).
Average pressure in December
Jaćmierz, Poland
- Average pressure in December: 1019.1mbar
The month with the highest atmospheric pressure is October (1019.2mbar).
The months with the lowest atmospheric pressure are June and July (1014.3mbar).
Average wind speed in December
Jaćmierz, 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 (8.5km/h).
Average humidity in December
Jaćmierz, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Jaćmierz, Poland
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is May (65mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in December
Jaćmierz, Poland
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Jaćmierz, Poland
- Average snowfall in December: 142mm
The month with the highest snowfall is December (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Jaćmierz, Poland
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jaćmierz, Poland
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in December
Jaćmierz, Poland
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Jaćmierz, 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 January, November and December (UV index 1).
Average cloud cover in December
Jaćmierz, Poland
- Average cloud cover in December: 66
The months with the most cloud cover are January and February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Jaćmierz, Poland
- Average visibility in December: 8km
The months with the highest visibility are April, August and September (9km).
The months with the lowest visibility are January and February (7km).
Jaćmierz, Poland
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