December weather forecastIwla, Poland
December
Weather in December
December, the first month of the winter in Iwla, is also an icy month, with an average temperature ranging between min -2.6°C (27.3°F) and max 0.9°C (33.6°F).Temperature
The shift from November to December involves a decrease in the average high-temperature, dropping from a frosty 7.3°C (45.1°F) to an icy 0.9°C (33.6°F). A consistent average low-temperature of -2.6°C (27.3°F), with a minor variance from the daytime highs, is noted in Iwla during the nights of December.Humidity
In Iwla, the average relative humidity in December is 89%.Rainfall
In December, in Iwla, the rain falls for 9.9 days. Throughout December, 39mm (1.54") of precipitation is accumulated. Throughout the year, there are 155.3 rainfall days, and 495mm (19.49") of precipitation is accumulated.Snowfall
Months with snowfall in Iwla, Poland, are January through April, October through December. The month with the most snowfall is December, when snow falls for 12.3 days and typically aggregates up to 144mm (5.67") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 12min of daylight.On the first day of December in Iwla, sunrise is at 07:08 and sunset at 15:36. On the last day of the month, sunrise is at 07:29 and sunset at 15:43 CET.
Sunshine
In December, the average sunshine in Iwla is 3.7h.UV index
The months with the lowest UV index in Iwla are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Iwla, 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 (-0.9°C).
- Average low temperature in December: -2.6°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in December
Iwla, Poland
- Average pressure in December: 1018.9mbar
The month with the highest atmospheric pressure is October (1019.1mbar).
The month with the lowest atmospheric pressure is June (1014.3mbar).
Average wind speed in December
Iwla, Poland
- Average wind speed in December: 13.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in December
Iwla, 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 (72%).
Average rainfall in December
Iwla, Poland
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is March (26mm).
Average rainfall days in December
Iwla, Poland
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Iwla, Poland
- Average snowfall in December: 144mm
The month with the highest snowfall is December (144mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Iwla, Poland
- Average snowfall days in December: 12.3 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Iwla, Poland
- Average daylight in December: 8h and 12min
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 42min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in December
Iwla, Poland
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in December
Iwla, 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 and December (UV index 1).
Average cloud cover in December
Iwla, Poland
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Iwla, Poland
- Average visibility in December: 8km
The months with the highest visibility are April, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
