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
December signifies a gentle decline in Gromin's average high-temperature, easing from a frosty 6.5°C (43.7°F) in November to a cold 1.6°C (34.9°F). Gromin's December nights witness minimal differential from the daytime temperatures, with averages of -1.6°C (29.1°F).Humidity
In December, the average relative humidity in Gromin is 89%.Rainfall
In December, in Gromin, the rain falls for 9.4 days. Throughout December, 24mm (0.94") of precipitation is accumulated. Throughout the year, there are 135.2 rainfall days, and 349mm (13.74") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Gromin, in December, during 8.7 snowfall days, 51mm (2.01") of snow is typically accumulated. Throughout the year, in Gromin, there are 43.2 snowfall days, and 291mm (11.46") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 42min of daylight.On the first day of the month, sunrise is at 07:25 and sunset at 15:24. On the last day of December, sunrise is at 07:47 and sunset at 15:30 CET.
Sunshine
In December, the average sunshine in Gromin is 3h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 1 in December leads to these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Gromin?
What is the average humidity in December in Gromin?
How much does it rain in Gromin in December?
How many days does it snow in December in Gromin?
What is the month with the shortest days in Gromin?
What is the average length of the day in December in Gromin?
What time are sunrise and sunset in December in Gromin?
How many hours of sunshine does Gromin have in December?
When is the lowest UV index in Gromin?
What is the UV index intensity in December in Gromin?
Average temperature in December
Gromin, Poland
- Average high temperature in December: 1.6°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 (-0.8°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in December
Gromin, Poland
- Average pressure in December: 1015.4mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Gromin, Poland
- Average wind speed in December: 13.4km/h
The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Gromin, 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 (68%).
Average rainfall in December
Gromin, Poland
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is May (46mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Gromin, Poland
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Gromin, Poland
- Average snowfall in December: 51mm
The month with the highest snowfall is January (108mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Gromin, Poland
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gromin, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Gromin, Poland
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in December
Gromin, 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, November and December (UV index 1).
Average cloud cover in December
Gromin, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Gromin, 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 (6km).
