January weather forecastGromadzin, Poland
January weather for Gromadzin, Poland: January, the same as December, is a wintry winter month in Gromadzin, Poland, with an average temperature varying between -2.4°C (27.7°F) and 0.6°C (33.1°F). In Gromadzin, Poland, during January, the rain falls for 10.8 days and regularly aggregates up to 37mm (1.46") of precipitation.
January
Weather in January
January, the same as December, is a wintry winter month in Gromadzin, Poland, with an average temperature varying between -2.4°C (27.7°F) and 0.6°C (33.1°F).Temperature
In Gromadzin, January is the month with the lowest recorded average temperatures, measuring a high of 0.6°C (33.1°F) and a low of -2.4°C (27.7°F).Humidity
January, February and December, with an average relative humidity of 87%, are the most humid months.Rainfall
In Gromadzin, Poland, during January, the rain falls for 10.8 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, there are 172.5 rainfall days, and 497mm (19.57") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. January is the month with the most snowfall in Gromadzin. Snow falls for 16.2 days and accumulates 128mm (5.04") of snow.Daylight
In Gromadzin, the average length of the day in January is 8h and 2min.On the first day of the month, sunrise is at 08:06 and sunset at 15:33. On the last day of January, sunrise is at 07:36 and sunset at 16:23 CET.
Sunshine
With an average of 2.9h of sunshine, January has the least sunshine of the year.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Gromadzin. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 1 in January suggests the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Gromadzin, Poland
- Average high temperature in January: 0.6°C
The warmest month (with the highest average high temperature) is August (22.5°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in January: -2.4°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).
Average pressure in January
Gromadzin, Poland
- Average pressure in January: 1014.4mbar
The month with the highest atmospheric pressure is October (1016.6mbar).
The months with the lowest atmospheric pressure are July and December (1013.2mbar).
Average wind speed in January
Gromadzin, Poland
- Average wind speed in January: 16.3km/h
The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).
Average humidity in January
Gromadzin, Poland
- Average humidity in January: 87%
The months with the highest relative humidity are January, February and December (87%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Gromadzin, Poland
- Average rainfall in January: 37mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in January
Gromadzin, Poland
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in January
Gromadzin, Poland
- Average snowfall in January: 128mm
The month with the highest snowfall is January (128mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Gromadzin, Poland
- Average snowfall days in January: 16.2 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Gromadzin, Poland
- Average daylight in January: 8h and 0min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in January: 2h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in January
Gromadzin, Poland
- Average sunshine days in January: 8.5 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in January
Gromadzin, Poland
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
Gromadzin, Poland
- Average cloud cover in January: 72
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Gromadzin, Poland
- Average visibility in January: 8km
The months with the highest visibility are June, August and September (10km).
The months with the lowest visibility are January and February (8km).





