In Kyiv and the Kyiv region, the beginning of May is marked by a transition to warmer weather conditions. According to the Ukrainian Hydrometeorological Center, nighttime temperatures in Kyiv will range from 6 to 8 degrees Celsius, while during the day the air will warm up to 20-22 degrees.
This is reported by Kyiv24
Atmospheric Situation and Weather Conditions
Variable cloudiness will accompany this weather. In Kyiv, periods without precipitation are expected during the night, with brief showers anticipated in the afternoon. Thunderstorms are also possible in the latter part of the day.
In the Kyiv region, nighttime weather will remain dry; however, brief showers and even thunderstorms are forecasted in some areas during the day. The wind will be from the southwest at a speed of 7-12 m/s, with local gusts reaching 15-20 m/s. The temperature will range from 3 to 8 degrees Celsius at night, and from 19 to 24 degrees during the day.
"Variable cloudiness and brief showers are typical for this time of year, so one should consider the possibility of fluctuating weather conditions."