January Weather in Slonim, Belarus

Last updated: August 22, 2025

In January, the average temperature in Slonim, Belarus hovers around -2°C (28°F), with extremes ranging from a chilling -25°C (-13°F) to a milder 7°C (46°F). Expect significant precipitation, averaging 44 mm (1.7 in) over 11 days, and prepare for high humidity levels at 93%.

January Temperature in Slonim

In January in Slonim, the average temperature is -2°C (28°F), with a maximum that can reach 7°C (46°F) and a minimum that can drop as low as -25°C (-13°F). Travelers should prepare for significantly cold weather during this time, ensuring they have appropriate winter gear for both the frigid lows and chilly highs.

January Weather in Slonim: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Slonim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slonim, January typically has an average temperature of -2°C (28°F), with highs reaching up to 7°C (46°F) and lows dropping to around -25°C (-13°F).

Data source: Temperature data for Slonim generated using information from the Copernicus Climate Change Service.

January Precipitation in Slonim

In Slonim in January, the precipitation amount is 44 mm (1.7 in) during 11 days, indicating a relatively wet period for that time of year.

January Precipitation Trends in Slonim

The chart displays monthly precipitation patterns in Slonim, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Slonim, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Slonim

In Slonim in January, the humidity is 93%. With an average temperature of -2°C (28°F), this humidity feels like a biting chill that seeps into your bones, making traveling feel uncomfortable and heavy as you contend with the dampness in the air, creating a stark contrast to the freezing temperatures.

January Average Humidity in Slonim

This chart illustrates the average monthly humidity levels in Slonim, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Slonim is approximately 93%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Slonim

In Slonim in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Slonim.

Maximum UV Index Levels in Slonim for January

The chart shows the monthly maximum UV Index (UVI) for Slonim in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Slonim typically reaches 1, which falls under the low exposure category.

Data source: Slonim January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Slonim Compares to Other Months

Weather in Slonim varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Slonim, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Slonim, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	44 mm (1.7 inches)	93%	low
February Weather	-1°C (30°F)	41 mm (1.6 inches)	91%	low
March Weather	2°C (36°F)	44 mm (1.7 inches)	89%	moderate
April Weather	8°C (46°F)	44 mm (1.7 inches)	79%	moderate
May Weather	13°C (56°F)	82 mm (3.2 inches)	61%	high
June Weather	19°C (66°F)	70 mm (2.8 inches)	64%	very high
July Weather	19°C (66°F)	104 mm (4.1 inches)	64%	high
August Weather	19°C (66°F)	84 mm (3.3 inches)	63%	high
September Weather	14°C (57°F)	70 mm (2.8 inches)	76%	moderate
October Weather	9°C (49°F)	55 mm (2.2 inches)	90%	moderate
November Weather	4°C (40°F)	42 mm (1.7 inches)	92%	low
December Weather	0°C (32°F)	58 mm (2.3 inches)	92%	low