Weather in Kyiv

July is the warmest month (average 21.5°C, high 26.8°C) and January is the coolest (average -6.2°C, low -9.3°C). That 27.7°C swing in monthly averages is the first thing to plan around in Kyiv.

Rain is about 615 mm of rain spread through the year. The wettest month is June at 73 mm; the driest is April at 41 mm. Kyiv is in Ukraine at 50.5°N. The 2001–2020 NASA POWER daily record describes a continental climate with a wide temperature swing. On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are June, July, and August.

Temperature through the year

Monthly average highs run from -3.0°C in January to 26.8°C in July. Nights follow the same curve: -9.3°C in January and 16.2°C in July.

Across the year the mean afternoon high is 12.7°C. If you want the smallest day–night shock, look at months where the high and low sit close together; July nights still hold 16.2°C.

Rain through the year

Annual rainfall is 615 mm. June leads at 73 mm; April is lightest at 41 mm.

Humidity peaks near 94%. That usually lines up with the wetter months rather than the hottest ones.

Distinctive months in Kyiv

The year bottoms out in January. Plan for -9.3°C at night and -3.0°C in the afternoon. February stands apart from the months beside it: -1.1°C / -8.2°C and 42 mm. March brings 42 mm and 10 rainy days; temperatures run from -3.0°C to 5.9°C. April is the driest month, averaging only 41 mm across 9 rainy days. Highs sit near 14.4°C. May: 20.7°C high, 9.8°C low, 67 mm rain, 71% humidity. June is the wettest month — 73 mm and 13 rainy days, with 69% humidity.

Peak heat arrives in July: 26.8°C by day, 16.2°C at night, and 66% humidity. In August, Kyiv averages 26.7°C by day and 15.2°C at night, with 50 mm of rain. September: 20.9°C high, 10.0°C low, 48 mm rain, 67% humidity. October brings 50 mm and 8 rainy days; temperatures run from 3.9°C to 13.1°C. November stands apart from the months beside it: 5.2°C / -0.8°C and 45 mm. December: -1.1°C high, -6.5°C low, 50 mm rain, 94% humidity.

When the score favours a visit

The three months with the highest comfort score are June, July, and August: June (19.0°C average, 73 mm, 69% humidity); July (21.5°C average, 64 mm, 66% humidity); August (21.0°C average, 50 mm, 62% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you prefer the hottest stretch, that is July. The coolest stretch is January.

Kyiv and other cities in Ukraine

Kharkiv is about 411 km away: Kyiv is 0.7°C cooler than Kharkiv in its hottest month and a similar annual rainfall (584 mm in Kharkiv). Kharkiv’s wettest month is July (67 mm) versus June here.