January weather forecastSiercza, Poland
January
Weather in January
January, like December, in Siercza, Poland, is another cold winter month, with temperature in the range of an average low of -3.8°C (25.2°F) and an average high of 0.4°C (32.7°F).Temperature
January, recording an average high temperature of 0.4°C (32.7°F) and a low temperature of -3.8°C (25.2°F), is Siercza's coldest month.Humidity
With an average relative humidity of 87%, January is the most humid month in Siercza.Rainfall
January and March are months with the least rain in Siercza when the rain falls for 3.9 days and typically aggregates up to 14mm (0.55") of rain.Snowfall
January through May, October through December are months with snowfall in Siercza. The month with the most snowfall is January, when snow falls for 7.8 days and typically aggregates up to 44mm (1.73") of snow.Daylight
In January, the average length of the day is 8h and 39min.On the first day of January in Siercza, sunrise is at 07:38 and sunset at 15:48. On the last day of the month, sunrise is at 07:15 and sunset at 16:31 CET.
Sunshine
In January, the average sunshine in Siercza is 3.6h.UV index
In January, the average daily maximum UV index is 2. 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: The maximum UV index of 2 during January leads to these instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Siercza, Poland
- Average high temperature in January: 0.4°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in January: -3.8°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in January
Siercza, Poland
- Average pressure in January: 1018mbar
The month with the highest atmospheric pressure is October (1018.8mbar).
The months with the lowest atmospheric pressure are June and July (1014.5mbar).
Average wind speed in January
Siercza, Poland
- Average wind speed in January: 12.4km/h
The windiest month (with the highest average wind speed) is March (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in January
Siercza, Poland
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (69%).
Average rainfall in January
Siercza, Poland
- Average rainfall in January: 14mm
The wettest month (with the highest rainfall) is May (65mm).
The driest months (with the least rainfall) are January and March (14mm).
Average rainfall days in January
Siercza, Poland
- Average rainfall days in January: 3.9 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in January
Siercza, Poland
- Average snowfall in January: 44mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Siercza, Poland
- Average snowfall days in January: 7.8 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Siercza, Poland
- Average daylight in January: 8h and 42min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in January: 3h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in January
Siercza, Poland
- Average sunshine days in January: 20.4 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in January
Siercza, Poland
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Siercza, Poland
- Average cloud cover in January: 63
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Siercza, Poland
- Average visibility in January: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).





