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
December
Weather in December
Temperature
In Gromice, the average high-temperature in December slightly decreases from a frosty 7.1°C (44.8°F) in November to a cold 2.4°C (36.3°F). Gromice's nighttime temperatures in December see a subtle dip to an average of -1.3°C (29.7°F).Humidity
In December, the average relative humidity is 88%.Rainfall
In December, the rain falls for 10.5 days. Throughout December, 25mm (0.98") of precipitation is accumulated. Throughout the year, there are 138.8 rainfall days, and 352mm (13.86") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Gromice, Poland, in December, during 7.5 snowfall days, 36mm (1.42") of snow is typically accumulated. Throughout the year, in Gromice, there are 37.5 snowfall days, and 242mm (9.53") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 48min of daylight.On the first day of December, sunrise is at 07:28 and sunset at 15:29. On the last day of the month, sunrise is at 07:50 and sunset at 15:35 CET.
Sunshine
In Gromice, the average sunshine in December is 3.2h.UV index
The months with the lowest UV index in Gromice are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Gromice?
What is the average humidity in December in Gromice?
How much does it rain in Gromice in December?
How many days does it snow in December in Gromice?
What is the month with the shortest days in Gromice?
How many hours of daylight does Gromice have in December?
When are sunrise and sunset in December in Gromice?
How long on average sun shines in December in Gromice?
What are the months with the lowest UV index in Gromice?
What is the UV index intensity in December in Gromice?
Average temperature in December
Gromice, Poland
- Average high temperature in December: 2.4°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 (-0.3°C).
- Average low temperature in December: -1.3°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in December
Gromice, Poland
- Average pressure in December: 1015.7mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in December
Gromice, Poland
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in December
Gromice, 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 (67%).
Average rainfall in December
Gromice, Poland
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is May (51mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Gromice, Poland
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Gromice, Poland
- Average snowfall in December: 36mm
The month with the highest snowfall is January (81mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Gromice, Poland
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gromice, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Gromice, Poland
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in December
Gromice, 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
Gromice, Poland
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Gromice, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
