Sumy, Sumy Oblast, Ukraine Climate Change Severity

57
High
The current climate change severity in Sumy is High, with a 17.9% 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 Jun. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Sumy Weather Condition Changes (Historic Vs 2026)

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 -25.01%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
1917
-10.5%
cloudyCloudy
3719
-48.6%
rainyRainy
7479
6.7%
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 57 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

57/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Sumy experienced significant changes:

Temperature change of

-1.51 °C

Variation in annual rainfall

+20.91 %

Change in average humidity

+1.69 %

PM2.5 levels surged by

+178.01 %

Heatwave changed by

-8 Days

Coldwave changed by

-2 Days

Wind speeds changed by

-0.07 km/h

These indicators show that Sumy is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

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

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

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 29, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon19°/11°
Humidity Icon82%
Wind Icon27km/h
Thu. 30, Jul.
overcastOvercast
Temperature Icon20°/12°
Humidity Icon73%
Wind Icon30.6km/h
Fri. 31, Jul.
sunnySunny
Temperature Icon26°/13°
Humidity Icon66%
Wind Icon18km/h
Sat. 1, Aug.
sunnySunny
Temperature Icon28°/14°
Humidity Icon61%
Wind Icon10.4km/h
Sun. 2, Aug.
sunnySunny
Temperature Icon30°/16°
Humidity Icon53%
Wind Icon11.9km/h
Mon. 3, Aug.
sunnySunny
Temperature Icon32°/19°
Humidity Icon46%
Wind Icon10.8km/h
Tue. 4, Aug.
sunnySunny
Temperature Icon34°/20°
Humidity Icon50%
Wind Icon11.9km/h
Wed. 5, Aug.
sunnySunny
Temperature Icon35°/21°
Humidity Icon47%
Wind Icon18.7km/h
Thu. 6, Aug.
patchy rain possibleRain Possible
Temperature Icon29°/17°
Humidity Icon59%
Wind Icon14.2km/h
Fri. 7, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon28°/17°
Humidity Icon60%
Wind Icon15.9km/h
Sat. 8, Aug.
moderate rain at timesRain
Temperature Icon26°/16°
Humidity Icon61%
Wind Icon14.7km/h
Sun. 9, Aug.
patchy rain possibleRain Possible
Temperature Icon27°/16°
Humidity Icon61%
Wind Icon14.3km/h
Mon. 10, Aug.
moderate rain at timesRain
Temperature Icon27°/16°
Humidity Icon62%
Wind Icon13.6km/h
Tue. 11, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon28°/16°
Humidity Icon61%
Wind Icon13.8km/h
Wed. 12, Aug.
heavy rain at timesHeavy Rain
Temperature Icon27°/16°
Humidity Icon60%
Wind Icon14.9km/h
Thu. 13, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/16°
Humidity Icon62%
Wind Icon16.4km/h
Fri. 14, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon27°/16°
Humidity Icon60%
Wind Icon16.4km/h
Sat. 15, Aug.
patchy rain possibleRain Possible
Temperature Icon27°/17°
Humidity Icon58%
Wind Icon16.1km/h
Sun. 16, Aug.
heavy rain at timesHeavy Rain
Temperature Icon27°/16°
Humidity Icon60%
Wind Icon14.1km/h
Mon. 17, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/16°
Humidity Icon60%
Wind Icon14.1km/h
Tue. 18, Aug.
moderate rain at timesRain
Temperature Icon26°/16°
Humidity Icon61%
Wind Icon14.9km/h
Wed. 19, Aug.
patchy rain possibleRain Possible
Temperature Icon26°/16°
Humidity Icon60%
Wind Icon14.4km/h
Thu. 20, Aug.
patchy rain possibleRain Possible
Temperature Icon26°/15°
Humidity Icon58%
Wind Icon14.4km/h
Fri. 21, Aug.
moderate rain at timesRain
Temperature Icon25°/15°
Humidity Icon59%
Wind Icon16.8km/h
Sat. 22, Aug.
heavy rain at timesHeavy Rain
Temperature Icon25°/15°
Humidity Icon60%
Wind Icon18.1km/h
Sun. 23, Aug.
heavy rain at timesHeavy Rain
Temperature Icon25°/15°
Humidity Icon62%
Wind Icon14.5km/h
Mon. 24, Aug.
moderate rain at timesRain
Temperature Icon25°/14°
Humidity Icon55%
Wind Icon16.2km/h
Tue. 25, Aug.
heavy rain at timesHeavy Rain
Temperature Icon24°/14°
Humidity Icon58%
Wind Icon16.2km/h
Wed. 26, Aug.
moderate rain at timesRain
Temperature Icon24°/14°
Humidity Icon57%
Wind Icon14.7km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/14°
Humidity Icon63%
Wind Icon14.5km/h
Fri. 28, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/15°
Humidity Icon67%
Wind Icon15.6km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 5, Aug.

35°C

Low will be onWed. 29, Jul.

11°C

HumidityHumidity

High will be onWed. 29, Jul.

82%

Low will be onMon. 3, Aug.

46%

Wind SpeedWind Speed

High will be onThu. 30, Jul.

30.6km/h

Low will be onSat. 1, Aug.

10.4km/h

PrecipitationPrecipitation

High will be onWed. 29, Jul.

6.1mm

Low will be onWed. 5, Aug.

0.02mm

Ultraviolet IndexUV

High will be onWed. 5, Aug.

9

Low will be onSun. 23, Aug.

4

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