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UkraineThe climate of Sumy
The current climate in Sumy features temperatures ranging from a high of 28°C to a low of -2°C throughout the year. The average yearly temperature is around 14°C. At night, temperatures in the colder months average around -8°C and in the warmer months around 15°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Sumy, Ukraine.
Temperature records
The highest temperature recorded in Sumy in recent years was 36°C in August 2014. The lowest daytime temperature recorded was -20°C in January 2014.
Precipitation and snowfall
On average, Sumy gets 598 mm of precipitation each year. Of this, about 71 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Sumy?
The best time to visit Sumy for sunny weather is May through September. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Sumy. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Sumy
The climate table of Sumy shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | -2 | 1 | 7 | 15 | 21 | 26 | 27 | 28 | 21 | 13 | 5 | 1 |
| Temp. min (°C) | -8 | -5 | -2 | 4 | 10 | 14 | 16 | 15 | 10 | 4 | -1 | -4 |
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| Precipitation (mm) | 47 | 44 | 35 | 50 | 62 | 62 | 69 | 41 | 36 | 44 | 47 | 61 |
| Snow (cm) | 23 | 13 | 8,1 | 0,4 | 0 | 0 | 0 | 0 | 0 | 0,4 | 5,3 | 20 |
| UV Index | 2 | 3 | 5 | 6 | 7 | 7 | 7 | 7 | 5 | 3 | 2 | 1 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Sumy, Ukraine. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Sumy
Yearly Temperature in Sumy
Precipitation charts
These charts show the average amount of precipitation in Sumy, Ukraine. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Sumy
Total Yearly Precipitation in Sumy
Average Snowfall per Month in Sumy
Total Yearly Snowfall in Sumy
UV index chart
This chart shows the average UV index per month in Sumy, Ukraine. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Sumy
Weather experiences in Sumy
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Average weather in Sumy by month
Click on a month below to see detailed weather info for Sumy. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.