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
The transition into December involves a small decrease in the average high-temperature, dipping slightly from a frosty 7.4°C (45.3°F) in November to a cold 2.5°C (36.5°F). Nighttime temperature in Siemieniczki sees a small decrement from daytime highs, dipping to an average of -0.9°C (30.4°F) during December.Humidity
The average relative humidity in December is 87%.Rainfall
In Siemieniczki, Poland, during December, the rain falls for 11.3 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, there are 147.5 rainfall days, and 381mm (15") of precipitation is accumulated.Snowfall
Months with snowfall in Siemieniczki are January through May, October through December. In Siemieniczki, in December, snow falls for 8.5 days, with typically accumulated 45mm (1.77") of snow. Throughout the year, in Siemieniczki, Poland, there are 38.2 snowfall days, and 241mm (9.49") of snow is accumulated.Daylight
December has the shortest days of the year in Siemieniczki, with an average of 7h and 48min of daylight.On the first day of December, sunrise is at 07:29 and sunset at 15:33. On the last day of the month, sunrise is at 07:50 and sunset at 15:40 CET.
Sunshine
In Siemieniczki, the average sunshine in December is 3.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
How cold is it in Siemieniczki in December?
What is the average humidity in December in Siemieniczki?
How many days does it rain in December in Siemieniczki?
How many days does it snow in December in Siemieniczki?
What is the month with the shortest days in Siemieniczki?
How many hours of daylight does Siemieniczki have in December?
What time are sunrise and sunset in December in Siemieniczki?
How long on average sun shines in December in Siemieniczki?
What are the months with the lowest UV index in Siemieniczki?
What is the UV index reading in December in Siemieniczki?
Average temperature in December
Siemieniczki, Poland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (0.2°C).
- Average low temperature in December: -0.9°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in December
Siemieniczki, Poland
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in December
Siemieniczki, Poland
- Average wind speed in December: 15.7km/h
The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in December
Siemieniczki, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Siemieniczki, Poland
- Average rainfall in December: 27mm
The wettest months (with the highest rainfall) are May and June (50mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in December
Siemieniczki, Poland
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Siemieniczki, Poland
- Average snowfall in December: 45mm
The month with the highest snowfall is January (83mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Siemieniczki, Poland
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siemieniczki, 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: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Siemieniczki, Poland
- Average sunshine days in December: 12 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in December
Siemieniczki, 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 and December (UV index 1).
Average cloud cover in December
Siemieniczki, Poland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Siemieniczki, Poland
- Average visibility in December: 8km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).
Siemieniczki, Poland
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