January weather forecastSupraśl, Poland

January

Weather in January

January, like December, is another subzero cold winter month in Supraśl, Poland, with an average temperature ranging between min -5.1°C (22.8°F) and max -1.5°C (29.3°F).

Temperature

In Supraśl, January is the month with the lowest recorded average temperatures, measuring a high of -1.5°C (29.3°F) and a low of -5.1°C (22.8°F).

Humidity

The most humid month is January, with an average relative humidity of 92%.

Rainfall

In Supraśl, in January, during 8.2 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Supraśl, there are 164.4 rainfall days, and 515mm (20.28") of precipitation is accumulated.

Snowfall

Months with snowfall in Supraśl are January through April, October through December. January is the month with the most snowfall in Supraśl. Snow falls for 20.3 days and accumulates 192mm (7.56") of snow.

Daylight

The average length of the day in January in Supraśl is 8h and 11min.
On the first day of January, sunrise is at 07:40 and sunset at 15:18. On the last day of the month, sunrise is at 07:12 and sunset at 16:07 CET.

Sunshine

The months with the least sunshine in Supraśl are January and February, with an average of 2.2h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Supraśl. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, a daily UV index of 1 turns into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

January brings the lowest temperatures in Supraśl, with an average high of -1.5°C (29.3°F) and an average low of -5.1°C (22.8°F).

The high-temperature, in January, in Supraśl, is -1.5°C (29.3°F), while the low-temperature averages to -5.1°C (22.8°F).

January is the most humid month, with an average relative humidity of 92%.

In Supraśl, Poland, the average relative humidity in January is 92%.

In Supraśl, in January, during 8.2 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

January is the month with the most snowfall in Supraśl. Snow falls for 20.3 days and accumulates 192mm (7.56") of snow.

In Supraśl, in January, snow falls for 20.3 days, with typically accumulated 192mm (7.56") of snow.

In Supraśl, the average day length in January is 8h and 11min.

In January, on the first day of the month, sunrise is at 07:40 and sunset at 15:18. On the last day of the month, in Supraśl, sunrise is at 07:12 and sunset at 16:07 CET.

January and February, with an average of 2.2h of sunshine, are months with the least sunshine in Supraśl, Poland.

The average sunshine duration in January in Supraśl is 2.2h.

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Supraśl.

In Supraśl, Poland, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Supraśl, Poland

  • Average high temperature in January: -1.5°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 (-1.5°C).

  • Average low temperature in January: -5.1°C

The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).

Average pressure in January
Supraśl, Poland

  • Average pressure in January: 1016.4mbar

The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).

Average wind speed in January
Supraśl, Poland

  • Average wind speed in January: 13km/h

The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).

Average humidity in January
Supraśl, Poland

  • Average humidity in January: 92%

The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).

Average rainfall in January
Supraśl, Poland

  • Average rainfall in January: 36mm

The wettest month (with the highest rainfall) is June (69mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in January
Supraśl, Poland

  • Average rainfall days in January: 8.2 days

The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in January
Supraśl, Poland

  • Average snowfall in January: 192mm

The month with the highest snowfall is January (192mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in January
Supraśl, Poland

  • Average snowfall days in January: 20.3 days

The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Supraśl, 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 12min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 12min).

Average sunshine days in January
Supraśl, Poland

  • Average sunshine days in January: 6.8 days

The month with the most sunshine days is October (15.5 days).
The months with the least sunshine days are January and February (6.8 days).

Average UV index in January
Supraśl, Poland

  • Average UV index in January: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in January
Supraśl, Poland

  • Average cloud cover in January: 79

The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in January
Supraśl, Poland

  • Average visibility in January: 6km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).