What’s the climate like in Sumy?
The current climate of Sumy features average monthly temperatures ranging from highs of 28°C during the day to lows of -2°C. 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.
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.
On average, Sumy gets 598 mm of precipitation each year. Of this, about 71 cm is snowfall. For comparison, London gets 701 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 good 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, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation 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.
- Average yearly temperature: 14°C
- Highest temperature: 28°C in August
- Lowest temperature: -2°C in January
- Precipitation*: 598 mm per year, averaging 50 mm per month
- Snowfall: 71 cm per year
- Driest months: 35 mm in March, 36 mm in September and 41 mm in August
- Wettest months: 69 mm in July, 62 mm in May and 62 mm in June
*Precipitation is measured as a combination of rain, snow, and hail
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Table of Contents
Average Temperature per Month in Sumy
This graph shows the average maximum temperatures per month in Sumy, Ukraine. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Sumy
This graph shows how much precipitation Sumy, Ukraine, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Sumy
This graph shows how much snow Sumy, Ukraine, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Sumy
This graph 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.
Yearly Temperature in Sumy
This graph shows the average yearly temperature in Sumy, Ukraine. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Sumy
This chart shows the total yearly precipitation in Sumy, Ukraine, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Sumy
This chart shows the total yearly snowfall in Sumy, Ukraine, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
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.
