February Weather in Sejny, Poland

Last updated: August 27, 2025

In Sejny, Poland, the average temperature in February hovers around -1°C (30°F). Expect chilly conditions, with minimums plummeting to -20°C (-4°F) and highs reaching 11°C (53°F). It's a relatively wet month, with 34 mm (1.3 in) of precipitation spread over 9 days, contributing to an average humidity of a crisp 90%. Stay warm and plan accordingly!

February Temperature in Sejny

In February in Sejny, the average temperature is -1°C (30°F). Maximums can reach 11°C (53°F), while minimums can dip as low as -20°C (-4°F). Travelers should prepare for a wide range of temperatures and pack accordingly for both chilly and slightly milder weather.

February Weather in Sejny: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Sejny, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sejny, February typically has an average temperature of -1°C (30°F), with highs reaching up to 11°C (53°F) and lows dropping to around -20°C (-4°F).

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

February Precipitation in Sejny

In Sejny in February, the precipitation amount is 34 mm (1.3 in) over the course of 9 days.

February Precipitation Trends in Sejny

The chart displays monthly precipitation patterns in Sejny, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Sejny, February typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

February Humidity in Sejny

In Sejny in February, humidity is 90%. With an average temperature of -1°C (30°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making outdoor activities uncomfortable and travel quite challenging.

February Average Humidity in Sejny

This chart illustrates the average monthly humidity levels in Sejny, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Sejny is approximately 90%, offering insight into how humid the weather typically is during this month.

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

February UV Index in Sejny

In Sejny in February, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Sejny, you can visit Hourly UV Index in Sejny.

Maximum UV Index Levels in Sejny for February

The chart shows the monthly maximum UV Index (UVI) for Sejny in February, 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 February, the maximum UV index in Sejny typically reaches 2, which falls under the low exposure category.

Data source: Sejny February 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 February Weather in Sejny Compares to Other Months

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

This table compares monthly weather conditions in Sejny, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	41 mm (1.6 inches)	93%	low
February Weather	-1°C (30°F)	34 mm (1.3 inches)	90%	low
March Weather	2°C (36°F)	40 mm (1.6 inches)	88%	moderate
April Weather	7°C (45°F)	45 mm (1.8 inches)	77%	moderate
May Weather	13°C (55°F)	70 mm (2.8 inches)	59%	high
June Weather	18°C (65°F)	51 mm (2.0 inches)	59%	very high
July Weather	19°C (66°F)	93 mm (3.7 inches)	60%	high
August Weather	18°C (65°F)	87 mm (3.4 inches)	60%	high
September Weather	14°C (57°F)	70 mm (2.7 inches)	72%	moderate
October Weather	9°C (48°F)	61 mm (2.4 inches)	88%	moderate
November Weather	4°C (40°F)	39 mm (1.5 inches)	91%	low
December Weather	0°C (32°F)	53 mm (2.1 inches)	93%	low