Last updated: August 27, 2025
In March, the average temperature in Sejny, Poland hovers around 2°C (36°F). During this time, temperatures can dip as low as -21°C (-5°F) or rise to a maximum of 16°C (62°F). Expect about 40 mm (1.6 in) of precipitation spread over approximately 12 days, contributing to an average humidity of 88%.
In March in Sejny, the average temperature is 2°C (36°F), with maximums reaching up to 16°C (62°F) and minimums dropping as low as -21°C (-5°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.
In Sejny in March, the precipitation amount is 40 mm (1.6 in) over the course of 12 days.
In Sejny in March, humidity is 88%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making traveling uncomfortable and energy-draining as every step through the chill seems heavier in the thick air.
In Sejny in March, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Sejny for better planning.
UV Risk Categories
Weather in Sejny varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Sejny, focusing on differences in temperature, rainfall, humidity, and UV levels.
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 |