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
A moderate decline in the average high-temperature is seen during December, decreasing from 5.9°C (42.6°F) in November to a still cold 0.8°C (33.4°F). Nighttime temperatures in Olmonty record an average of -2°C (28.4°F) throughout December.Humidity
In December, the average relative humidity in Olmonty, Poland, is 90%.Rainfall
In Olmonty, Poland, in December, during 11.4 rainfall days, 43mm (1.69") of precipitation is typically accumulated. Throughout the year, there are 164.4 rainfall days, and 515mm (20.28") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Olmonty, during December, snow falls for 15.5 days and regularly aggregates up to 126mm (4.96") of snow. In Olmonty, during the entire year, snow falls for 71.5 days and aggregates up to 596mm (23.46") of snow.Daylight
December has the shortest days of the year in Olmonty, with an average of 7h and 42min of daylight.On the first day of December, sunrise is at 07:18 and sunset at 15:14. On the last day of the month, sunrise is at 07:41 and sunset at 15:20 CET.
Sunshine
The average sunshine in December in Olmonty is 2.6h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
How cold is December in Olmonty?
What is the average humidity in December in Olmonty?
How much does it rain in Olmonty in December?
How many days does it snow in December in Olmonty?
What is the month with the shortest days in Olmonty?
What is the average length of the day in December in Olmonty?
When are sunrise and sunset in December in Olmonty?
How long on average sun shines in December in Olmonty?
What are the months with the lowest UV index in Olmonty?
What is the UV index intensity in December in Olmonty?
Average temperature in December
Olmonty, Poland
- Average high temperature in December: 0.8°C
The warmest months (with the highest average high temperature) are July and 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 (13.7°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in December
Olmonty, Poland
- Average pressure in December: 1015.5mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in December
Olmonty, Poland
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in December
Olmonty, Poland
- Average humidity in December: 90%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in December
Olmonty, Poland
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is June (69mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Olmonty, Poland
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Olmonty, Poland
- Average snowfall in December: 126mm
The month with the highest snowfall is January (192mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Olmonty, Poland
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Olmonty, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 2h and 4min
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 12min).
Average sunshine days in December
Olmonty, Poland
- Average sunshine days in December: 7.8 days
The month with the most sunshine days is October (15.5 days).
The months with the least sunshine days are January and February (6.8 days).
Average UV index in December
Olmonty, 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
Olmonty, Poland
- Average cloud cover in December: 75
The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Olmonty, Poland
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).
Olmonty, Poland
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