Best Time to Visit Sumy, Sumy, Ukraine
Month-by-month climate guide for planning a trip to Sumy.
Sumy does not have a month that clearly fits our sunny profiles. Its practical travel window centres on its warmest (July, 19.6°C / 67.3°F) and driest (February, 32 mm / 1.3 in) months. The drier stretch runs through October–April; the wetter half falls in May–September. At the city itself, monthly average temperatures range from -6°C / 21.2°F in January to 19.6°C / 67.3°F in July, with rainfall from 32 mm / 1.3 in (February) to 80 mm / 3.1 in (July). These are point-value climate normals sampled at Sumy, Sumy, Ukraine's coordinates — usually more actionable for travellers than the country-wide average. Sumy's climate is broadly strongly continental. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| August | 18.4°C65.1°F | 61 mm2.4″ | — |
| May | 14.8°C58.6°F | 53 mm2.1″ | — |
| June | 18.3°C64.9°F | 72 mm2.8″ | — |
No month at Sumy matches our sunny profiles. The three above are the driest-and-warmest fallback.
Frequently asked questions
When is the best time to visit Sumy?
Sumy doesn't have a month that clearly matches our sunny profiles. The practical travel window centres on February (driest, ~32 mm / 1.3 in) and July (warmest, 19.6°C / 67.3°F). Because these are point values at the city, they can differ substantially from Ukraine's national average.
When is the rainy season in Sumy?
The rainy season at Sumy, Sumy runs through May–September, when monthly rainfall exceeds the annual median of about 49 mm / 1.9 in. The wettest single month is July (80 mm / 3.1 in).
What is the driest month in Sumy?
The driest month in Sumy is February, averaging about 32 mm / 1.3 in of rainfall. Temperature that month averages -5.3°C / 22.5°F.
What months should I avoid visiting Sumy?
The least comfortable months for travel to Sumy — based on point-value climate at the city — are January, February, March, June, July, August, December. These are the wettest or coolest months at this location. Rainfall peaks at 80 mm / 3.1 in in July, and the coldest month averages -6°C / 21.2°F.
Is Sumy climate different from Ukraine overall?
Yes, usually. Our Sumy figures are point-value climate normals sampled at the city itself, while our Ukraine figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Sumy specifically — usually the more actionable data for a traveller planning to spend time in the city.