March Weather in Sumy, Ukraine

Last updated: August 28, 2025

In March, the average temperature in Sumy, Ukraine hovers around 1°C (35°F). Residents can expect a wide range in temperatures, with a minimum dipping to -19°C (-2°F) and a maximum reaching 18°C (65°F). The month brings about 40 mm (1.6 in) of precipitation over approximately 10 days, paired with a high average humidity of 90%, making for a chilly and damp atmosphere.

March Temperature in Sumy

In March in Sumy, the average temperature is 1°C (35°F). Maximums can reach 18°C (65°F), while minimums can dip as low as -19°C (-2°F). Travelers should be prepared for a wide range of temperatures and dress in layers to ensure comfort during their visit.

March Weather in Sumy: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Sumy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumy, March typically has an average temperature of 1°C (35°F), with highs reaching up to 18°C (65°F) and lows dropping to around -19°C (-2°F).

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

March Precipitation in Sumy

In Sumy in March, the precipitation amount is 40 mm (1.6 in) over a span of 10 days.

March Precipitation Trends in Sumy

The chart displays monthly precipitation patterns in Sumy, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Sumy, March typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Sumy

In Sumy in March humidity is 90%. With an average temperature of 1°C (35°F), this humidity feels like an icy blanket clinging to your skin, making travel uncomfortable and every breath a struggle against the damp chill.

March Average Humidity in Sumy

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

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

March UV Index in Sumy

In Sumy 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 Sumy for better planning.

Maximum UV Index Levels in Sumy for March

The chart shows the monthly maximum UV Index (UVI) for Sumy in March, 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 March, the maximum UV index in Sumy typically reaches 4, which falls under the moderate exposure category.

Data source: Sumy March 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 March Weather in Sumy Compares to Other Months

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

This table compares monthly weather conditions in Sumy, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	43 mm (1.7 inches)	92%	low
February Weather	-3°C (26°F)	45 mm (1.8 inches)	93%	low
March Weather	1°C (35°F)	40 mm (1.6 inches)	90%	moderate
April Weather	9°C (48°F)	40 mm (1.6 inches)	79%	moderate
May Weather	15°C (59°F)	64 mm (2.5 inches)	66%	high
June Weather	20°C (68°F)	58 mm (2.3 inches)	65%	very high
July Weather	21°C (69°F)	84 mm (3.3 inches)	55%	very high
August Weather	21°C (69°F)	28 mm (1.1 inches)	49%	high
September Weather	15°C (60°F)	39 mm (1.5 inches)	69%	high
October Weather	9°C (49°F)	36 mm (1.4 inches)	84%	moderate
November Weather	2°C (36°F)	37 mm (1.4 inches)	92%	low
December Weather	-1°C (30°F)	69 mm (2.7 inches)	94%	low