Sumy Oblast is one of several regions in Ukraine, with temperatures that range from -1°C (30°F) in January to 27°C (81°F) during the peak of July. We've based our full climate overview on data from Sumy, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Sumy Oblast, the months of May, June, July, August and September bring pleasant weather, with average temperatures ranging between 20°C (68°F) and 27°C (81°F).
The colder period typically falls in the months of January, February, March, November and December.
Precipitation in Sumy Oblast remains relatively steady throughout the year, ranging from 75 mm (3 in) in July to 46 mm (1.8 in) in February.