January weather forecastRumia, Poland
January
Weather in January
January, the same as December, is a wintry winter month in Rumia, Poland, with an average temperature fluctuating between -1.7°C (28.9°F) and 0.8°C (33.4°F).Temperature
Rumia notes the coldest temperatures in January, with a high average of 0.8°C (33.4°F) and a low of -1.7°C (28.9°F).Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 86%.Rainfall
In Rumia, in January, during 8.2 rainfall days, 27mm (1.06") of precipitation is typically accumulated. In Rumia, during the entire year, the rain falls for 150.7 days and collects up to 391mm (15.39") of precipitation.Snowfall
Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 9.8 days and accumulates 64mm (2.52") of snow.Daylight
In January, the average length of the day in Rumia is 7h and 58min.On the first day of the month, sunrise is at 08:08 and sunset at 15:30. On the last day of January, sunrise is at 07:37 and sunset at 16:21 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. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 1 in January interprets into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Rumia, Poland
- Average high temperature in January: 0.8°C
The warmest month (with the highest average high temperature) is August (21.7°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in January: -1.7°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 (-1.7°C).
Average pressure in January
Rumia, Poland
- Average pressure in January: 1014.2mbar
The month with the highest atmospheric pressure is October (1016.5mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in January
Rumia, Poland
- Average wind speed in January: 18.6km/h
The windiest month (with the highest average wind speed) is December (19.2km/h).
The calmest months (with the lowest average wind speed) are June and August (13.5km/h).
Average humidity in January
Rumia, Poland
- Average humidity in January: 86%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Rumia, Poland
- Average rainfall in January: 27mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in January
Rumia, Poland
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is July (17.5 days).
The months with the least rainy days are January and February (8.2 days).
Average snowfall in January
Rumia, Poland
- Average snowfall in January: 64mm
The month with the highest snowfall is January (64mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Rumia, Poland
- Average snowfall days in January: 9.8 days
The months with the highest number of snowfall days are January and February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rumia, Poland
- Average daylight in January: 8h and 0min
The month with the longest days is June (Average daylight: 17h and 12min).
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 18min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in January
Rumia, Poland
- Average sunshine days in January: 13.1 days
The month with the most sunshine days is April (17.1 days).
The month with the least sunshine days is December (10.8 days).
Average UV index in January
Rumia, Poland
- Average UV index in January: 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 January
Rumia, 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
Rumia, Poland
- Average visibility in January: 9km
The months with the highest visibility are April, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, May, November and December (9km).





