Sumy Climate by Month
The climate in Sumy is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to very cold in the cooler months.
It maintains moderate precipitation patterns.
Let’s explore the climate details in depth to provide you with a complete overview.
Average day and night temperature
In Sumy, temperatures differ significantly between summer and winter months. Typically, daytime temperatures range from a comfortable 27°C in July to a very cold -1°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -7°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
On average, Sumy receives a reasonable amount of rain/snowfall, with an annual precipitation of 666 mm. Precipitation levels in Sumy remain relatively steady throughout the year. July has the most rain, with 76 mm over 14 days. In February, this drops slightly to 47 mm, making the city's climate fairly predictable.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Average humidity
The relative humidity is moderate throughout the year in Sumy.
Relative humidity over the year
The best time of year to visit Sumy in Ukraine
During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The coldest season / winter is in the following months: January, February and December.
July has an average maximum temperature of 27°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -1°C.
July tops the wettest month list with 76 mm of rainfall.
February is the driest month with 47 mm of precipitation.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
