Sumy, Sumy Oblast, Ukraine Climate Change Severity

62
Very High
The current climate change severity in Sumy is Very High, with a 21.8% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to May (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Sumy Weather Condition Changes (Historic Vs 2026)

0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Sumy temperature has changed by around -43.2%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to May (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
1414
0%

cloudyCloudy
2916
-44.8%

rainyRainy
6055
-8.3%

snowySnowy
828
250%

mistyMisty
04
100%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 16 years, Sumy has experienced measurable shifts in key climate parameters, contributing to the current severity score of 62 (within the Very High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

62/100


Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Sumy experienced significant changes:

Temperature change of

-1.44 °C


Variation in annual rainfall

+35.65 %


Change in average humidity

+1.49 %


PM2.5 levels surged by

+221.98 %


Heatwave changed by

-8 Days


Coldwave changed by

-1 Days


Wind speeds changed by

-0.04 km/h


These indicators show a dramatic increase in volatility and worsening conditions. Sumy's Very High severity status requires urgent and immediate adaptation and mitigation strategies, particularly focused on managing extreme weather events, improving air quality, and ensuring water resources are adequate for the population.

Check how we calculate Climate Change Severity
Based on data from Jan. to May

Sumy Weather Forecast 30 Days (June - July 2026)
Sumy, Sumy Oblast, Ukraine


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Thu. 4, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon16°/11°

Humidity Icon92%

Wind Icon13.7km/h
Fri. 5, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon23°/11°

Humidity Icon80%

Wind Icon11.2km/h
Sat. 6, Jun.
partly cloudyPartly Cloudy

Temperature Icon24°/13°

Humidity Icon75%

Wind Icon11.5km/h
Sun. 7, Jun.
sunnySunny

Temperature Icon22°/13°

Humidity Icon72%

Wind Icon13.7km/h
Mon. 8, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon23°/14°

Humidity Icon74%

Wind Icon18.7km/h
Tue. 9, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon24°/15°

Humidity Icon82%

Wind Icon10.8km/h
Wed. 10, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon24°/14°

Humidity Icon75%

Wind Icon12.2km/h
Thu. 11, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon20°/12°

Humidity Icon77%

Wind Icon19.8km/h
Fri. 12, Jun.
heavy rain at timesHeavy rain at times

Temperature Icon25°/15°

Humidity Icon71%

Wind Icon16.9km/h
Sat. 13, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/14°

Humidity Icon76%

Wind Icon18km/h
Sun. 14, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/14°

Humidity Icon76%

Wind Icon16.6km/h
Mon. 15, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/15°

Humidity Icon80%

Wind Icon16.2km/h
Tue. 16, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/14°

Humidity Icon76%

Wind Icon16.9km/h
Wed. 17, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/14°

Humidity Icon74%

Wind Icon16.6km/h
Thu. 18, Jun.
moderate rain at timesModerate rain at times

Temperature Icon24°/14°

Humidity Icon71%

Wind Icon16.6km/h
Fri. 19, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon25°/14°

Humidity Icon71%

Wind Icon16.9km/h
Sat. 20, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon25°/15°

Humidity Icon72%

Wind Icon18km/h
Sun. 21, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon25°/15°

Humidity Icon71%

Wind Icon16.2km/h
Mon. 22, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon26°/15°

Humidity Icon68%

Wind Icon15.5km/h
Tue. 23, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon25°/16°

Humidity Icon75%

Wind Icon16.2km/h
Wed. 24, Jun.
heavy rain at timesHeavy rain at times

Temperature Icon25°/15°

Humidity Icon74%

Wind Icon16.2km/h
Thu. 25, Jun.
heavy rain at timesHeavy rain at times

Temperature Icon25°/15°

Humidity Icon71%

Wind Icon15.5km/h
Fri. 26, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon26°/16°

Humidity Icon76%

Wind Icon18.7km/h
Sat. 27, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon26°/16°

Humidity Icon75%

Wind Icon17.3km/h
Sun. 28, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon25°/16°

Humidity Icon74%

Wind Icon17.3km/h
Mon. 29, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon25°/15°

Humidity Icon73%

Wind Icon15.1km/h
Tue. 30, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon25°/16°

Humidity Icon73%

Wind Icon16.2km/h
Wed. 1, Jul.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon26°/15°

Humidity Icon71%

Wind Icon16.6km/h
Thu. 2, Jul.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon25°/15°

Humidity Icon72%

Wind Icon14.8km/h
Fri. 3, Jul.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon26°/16°

Humidity Icon71%

Wind Icon14km/h
Sat. 4, Jul.
heavy rain at timesHeavy rain at times

Temperature Icon26°/16°

Humidity Icon70%

Wind Icon14.8km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 22, Jun.

26°C


Low will be onThu. 4, Jun.

11°C

HumidityHumidity

High will be onThu. 4, Jun.

92%


Low will be onMon. 22, Jun.

68%

Wind SpeedWind Speed

High will be onThu. 11, Jun.

19.8km/h


Low will be onTue. 9, Jun.

10.8km/h

PrecipitationPrecipitation

High will be onFri. 26, Jun.

7mm


Low will be onSat. 6, Jun.

0.1mm

Ultraviolet IndexUV

High will be onSun. 7, Jun.

6.9


Low will be onThu. 4, Jun.

1.7