June Weather in Sumy, Ukraine

Last updated: August 28, 2025

In June, the average temperature in Sumy, Ukraine hovers around 20°C (68°F), making it a pleasant time to explore. However, temperatures can vary significantly—from a cool 4°C (40°F) at night to a warm 35°C (95°F) during the day. Expect about 58 mm (2.3 in) of precipitation spread over 11 days, and a relative humidity of 65% ensures a refreshing atmosphere. Get ready for a mix of weather conditions that adds to the charm of your visit!

June Temperature in Sumy

In June in Sumy, the average temperature is 20°C (68°F). Maximums can reach 35°C (95°F), and minimums can be as low as 4°C (40°F). This makes Sumy an ideal destination for travelers, offering pleasant weather for a variety of outdoor activities.

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

The chart illustrates June 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, June typically has an average temperature of 20°C (68°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (40°F).

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

June Precipitation in Sumy

In Sumy in June, the precipitation amount is 58 mm (2.3 in) over the course of 11 days.

June Precipitation Trends in Sumy

The chart displays monthly precipitation patterns in Sumy, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Sumy, June typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

June Humidity in Sumy

In Sumy in June humidity is 65%. With an average temperature of 20°C (68°F), this humidity feels quite muggy for traveling, making even short walks feel a bit sticky and requiring frequent hydration.

June Average Humidity in Sumy

This chart illustrates the average monthly humidity levels in Sumy, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Sumy is approximately 65%, offering insight into how humid the weather typically is during this month.

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

June UV Index in Sumy

In Sumy in June, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Sumy.

Maximum UV Index Levels in Sumy for June

The chart shows the monthly maximum UV Index (UVI) for Sumy in June, 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 June, the maximum UV index in Sumy typically reaches 8, which falls under the very high exposure category.

Data source: Sumy June 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 June 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 June’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 June’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