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Climate in Sumy
(Ukraine)

Average daytime and nighttime temperatures


All climatic diagrams on this site result from the collected data from three measuring weather stations in Sumy.
All data correspond to the average monthly values of the last 20 years.


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Sumy is the coldest region in Ukraine with an average high temperature of only 13°C. The climate is very changeable and offers varied seasons with deep winters and warm summers. It rarely gets really warm here. Due to the warmer temperatures the best time for traveling is from May to September. Less attractive are the cold months from November to March.
Overview: Climate in Ukraine
Daylengths and sun positions in Ukraine
Compare climate with other regions or countries
Rainy days per monthRainy days per month in Sumy
A rainy day is a day on which at least an amount of 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 11 rainy days, December offers the most number of rainy days, and in August the least.
Precipitation in mm/dayPrecipitation in Sumy
The amount of precipitation is measured in millimeters per square meter. Thus, at two mm/day, two liters of water fall on one square meter within 24 hours. With only 1.0 mm, the least rain falls in April. July, on the other hand, has the most rain.
Map of Sumy

Most important cities in the oblast »Sumy«

The oblast has a west-east extension of about 160 km and over 210 km from north to south.

CityPopulationGeo position
Sumy263,68150° 55' 18"N34° 48' 1"E
Konotop91,79851° 14' 25"N33° 12' 9"E
Shostka85,43251° 51' 47"N33° 28' 11"E
Okhtyrka49,81850° 18' 37"N34° 53' 56"E
Romny48,57050° 45' 4"N33° 28' 29"E
Hlukhiv35,38751° 40' 42"N33° 54' 58"E
Lebedyn27,69550° 35' 7"N34° 29' 6"E
Krolevets’24,11551° 32' 52"N33° 23' 5"E
Putyvl’20,00051° 20' 15"N33° 52' 14"E
Bilopillya17,82451° 9' 1"N34° 18' 46"E
Buryn’11,40051° 11' 57"N33° 50' 7"E
Krasnopillya8,60350° 46' 28"N35° 15' 35"E
Trostyanets’8,15150° 29' 5"N34° 57' 56"E
Vorozhba7,91551° 10' 24"N34° 13' 9"E
Yampil’7,20051° 56' 52"N33° 47' 15"E
Seredyna-Buda7,16152° 11' 21"N34° 2' 11"E
Nedryhayliv6,03150° 50' 2"N33° 52' 35"E
Velyka Pysarivka5,23550° 25' 27"N35° 28' 48"E
Druzhba5,22052° 2' 44"N33° 56' 43"E
Lypova Dolyna5,19950° 33' 51"N33° 47' 53"E
Boromlya4,07050° 37' 6"N34° 58' 14"E
Verkhnya Syrovatka3,66950° 49' 44"N34° 57' 31"E
Terny3,66150° 59' 21"N33° 58' 15"E
Kyrykivka3,20250° 21' 51"N35° 6' 54"E
Shalyhyne3,03151° 34' 18"N34° 7' 18"E


Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants: geonames.org, United Nations Statistics Division and own research.
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