January weather forecastGruta, Poland
January
Weather in January
January, the same as December, in Gruta, Poland, is another subzero cold winter month, with an average temperature varying between -3.3°C (26.1°F) and -0.1°C (31.8°F).Temperature
January, on average, is the coldest month, registering a high temperature of -0.1°C (31.8°F) and a low of -3.3°C (26.1°F).Humidity
January is the most humid month in Gruta, with an average relative humidity of 89%.Rainfall
In Gruta, in January, it is raining for 9.3 days, with typically 30mm (1.18") of accumulated precipitation. In Gruta, during the entire year, the rain falls for 141.7 days and collects up to 351mm (13.82") of precipitation.Snowfall
January through May, November and December are months with snowfall in Gruta. The month with the most snowfall in Gruta is January, when snow falls for 12.8 days and typically aggregates up to 87mm (3.43") of snow.Daylight
In Gruta, the average length of the day in January is 8h and 10min.On the first day of January, sunrise is at 07:59 and sunset at 15:35. On the last day of the month, sunrise is at 07:31 and sunset at 16:23 CET.
Sunshine
January has the least sunshine of the year in Gruta, with an average of 2.8h of sunshine.UV index
The months with the lowest UV index in Gruta are January and November, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 1 in January leads to these guidelines:
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 midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Gruta, Poland
- Average high temperature in January: -0.1°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (-0.1°C).
- Average low temperature in January: -3.3°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 (-3.3°C).
Average pressure in January
Gruta, Poland
- Average pressure in January: 1015.3mbar
The month with the highest atmospheric pressure is October (1017.2mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).
Average wind speed in January
Gruta, Poland
- Average wind speed in January: 14.2km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in January
Gruta, Poland
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and August (68%).
Average rainfall in January
Gruta, Poland
- Average rainfall in January: 30mm
The wettest month (with the highest rainfall) is May (46mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in January
Gruta, Poland
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (9.3 days).
Average snowfall in January
Gruta, Poland
- Average snowfall in January: 87mm
The month with the highest snowfall is January (87mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in January
Gruta, Poland
- Average snowfall days in January: 12.8 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Gruta, Poland
- Average daylight in January: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in January: 2h and 48min
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 January
Gruta, Poland
- Average sunshine days in January: 11.3 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in January
Gruta, Poland
- Average UV index in January: 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 November (UV index 1).
Average cloud cover in January
Gruta, Poland
- Average cloud cover in January: 73
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Gruta, Poland
- Average visibility in January: 7km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).





