December weather forecastGrotkowo, Poland
December weather for Grotkowo, Poland: The first month of the winter, December, is still a cold month in Grotkowo, Poland, with an average temperature varying between 2.7°C (36.9°F) and -1°C (30.2°F). In Grotkowo, in December, during 8.8 snowfall days, 53mm (2.09") of snow is typically accumulated.
December
Weather in December
The first month of the winter, December, is still a cold month in Grotkowo, Poland, with an average temperature varying between 2.7°C (36.9°F) and -1°C (30.2°F).Temperature
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's frosty 7.5°C (45.5°F) to an icy 2.7°C (36.9°F). The nighttime temperature in Grotkowo in December experiences a minor dip, averaging a subzero cold -1°C (30.2°F).Humidity
The average relative humidity in December is 88%.Rainfall
In Grotkowo, in December, it is raining for 11.5 days, with typically 31mm (1.22") of accumulated precipitation. In Grotkowo, during the entire year, the rain falls for 130.5 days and collects up to 345mm (13.58") of precipitation.Snowfall
January through May, October through December are months with snowfall in Grotkowo. In Grotkowo, during December, snow falls for 8.8 days and regularly aggregates up to 53mm (2.09") of snow. Throughout the year, there are 44.2 snowfall days, and 269mm (10.59") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 7h and 48min of daylight.On the first day of December, sunrise is at 07:37 and sunset at 15:39. On the last day of the month, sunrise is at 07:59 and sunset at 15:45 CET.
Sunshine
In Grotkowo, the average sunshine in December is 3h.UV index
The months with the lowest UV index in Grotkowo are November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 1 in December translates into this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grotkowo, Poland
- Average high temperature in December: 2.7°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in December: -1°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in December
Grotkowo, Poland
- Average pressure in December: 1015.6mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in December
Grotkowo, Poland
- Average wind speed in December: 16.6km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (12km/h).
Average humidity in December
Grotkowo, Poland
- Average humidity in December: 88%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Grotkowo, Poland
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in December
Grotkowo, Poland
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is September (7.2 days).
Average snowfall in December
Grotkowo, Poland
- Average snowfall in December: 53mm
The month with the highest snowfall is January (99mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grotkowo, Poland
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grotkowo, Poland
- Average daylight in December: 7h and 48min
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 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Grotkowo, Poland
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is September (21.7 days).
The month with the least sunshine days is January (9.8 days).
Average UV index in December
Grotkowo, 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 November and December (UV index 1).
Average cloud cover in December
Grotkowo, Poland
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Grotkowo, 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).
