Sunnyside, Washington, United States Climate Change Severity

52
High
The current climate change severity in Sunnyside is High, with a -5.7% improvement in the climate score compared to last 15 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Sunnyside Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Sunnyside temperature has changed by around -6.2%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
6858
-14.7%
cloudyCloudy
6350
-20.6%
rainyRainy
4841
-14.5%
snowySnowy
43
-25%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Sunnyside has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (within the High severity category). While the score remains High, certain factors have improved over time. Here’s a breakdown of the specific changes observed:

Severity Score

52/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Sunnyside experienced significant changes:

Temperature change of

-0.7 °C

Variation in annual rainfall

+18.3 %

Change in average humidity

+6.8 %

PM2.5 levels surged by

-35.7 %

Heatwave changed by

-7.6 day(s)

Coldwave changed by

-8.2 day(s)

Wind speeds changed by

-1.1 km/h

These indicators show improvement in key parametes of climate, but Sunnyside remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

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

Sunnyside Weather Forecast 30 Days (August - September 2025)
Sunnyside, Washington, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 8, Aug.
sunnySunny
Temperature Icon30°/8°
Humidity Icon49%
Wind Icon13km/h
Sat. 9, Aug.
sunnySunny
Temperature Icon32°/13°
Humidity Icon40%
Wind Icon17km/h
Sun. 10, Aug.
sunnySunny
Temperature Icon38°/15°
Humidity Icon43%
Wind Icon12km/h
Mon. 11, Aug.
sunnySunny
Temperature Icon41°/16°
Humidity Icon35%
Wind Icon21km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon37°/20°
Humidity Icon31%
Wind Icon16km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon35°/19°
Humidity Icon35%
Wind Icon23km/h
Thu. 14, Aug.
partly cloudyPartly Cloudy
Temperature Icon28°/16°
Humidity Icon42%
Wind Icon29km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon27°/13°
Humidity Icon45%
Wind Icon16km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon29°/11°
Humidity Icon50%
Wind Icon30km/h
Sun. 17, Aug.
sunnySunny
Temperature Icon29°/13°
Humidity Icon46%
Wind Icon11km/h
Mon. 18, Aug.
sunnySunny
Temperature Icon33°/11°
Humidity Icon31%
Wind Icon15km/h
Tue. 19, Aug.
sunnySunny
Temperature Icon32°/12°
Humidity Icon31%
Wind Icon17km/h
Wed. 20, Aug.
sunnySunny
Temperature Icon31°/14°
Humidity Icon32%
Wind Icon12km/h
Thu. 21, Aug.
sunnySunny
Temperature Icon31°/12°
Humidity Icon30%
Wind Icon12km/h
Fri. 22, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon30°/16°
Humidity Icon40%
Wind Icon18km/h
Sat. 23, Aug.
sunnySunny
Temperature Icon30°/16°
Humidity Icon39%
Wind Icon15km/h
Sun. 24, Aug.
sunnySunny
Temperature Icon30°/15°
Humidity Icon36%
Wind Icon15km/h
Mon. 25, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon30°/16°
Humidity Icon35%
Wind Icon14km/h
Tue. 26, Aug.
sunnySunny
Temperature Icon31°/15°
Humidity Icon37%
Wind Icon17km/h
Wed. 27, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon31°/16°
Humidity Icon37%
Wind Icon17km/h
Thu. 28, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon31°/16°
Humidity Icon36%
Wind Icon15km/h
Fri. 29, Aug.
moderate rain at timesModerate rain at times
Temperature Icon30°/16°
Humidity Icon40%
Wind Icon20km/h
Sat. 30, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon29°/16°
Humidity Icon44%
Wind Icon19km/h
Sun. 31, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon28°/15°
Humidity Icon45%
Wind Icon18km/h
Mon. 1, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon29°/14°
Humidity Icon44%
Wind Icon15km/h
Tue. 2, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon30°/14°
Humidity Icon41%
Wind Icon17km/h
Wed. 3, Sep.
sunnySunny
Temperature Icon29°/15°
Humidity Icon39%
Wind Icon16km/h
Thu. 4, Sep.
sunnySunny
Temperature Icon29°/15°
Humidity Icon39%
Wind Icon16km/h
Fri. 5, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon29°/15°
Humidity Icon41%
Wind Icon16km/h
Sat. 6, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon28°/14°
Humidity Icon42%
Wind Icon14km/h
Sun. 7, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon29°/14°
Humidity Icon41%
Wind Icon17km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 11, Aug.

40.5°C

Low will be onFri. 8, Aug.

8.1°C

HumidityHumidity

High will be onSat. 16, Aug.

50%

Low will be onThu. 21, Aug.

30%

Wind SpeedWind Speed

High will be onSat. 16, Aug.

29.5km/h

Low will be onSun. 17, Aug.

11.2km/h

PrecipitationPrecipitation

High will be onFri. 5, Sep.

1.1mm

Low will be onWed. 27, Aug.

0.1mm

Ultraviolet IndexUV

High will be onWed. 13, Aug.

7

Low will be onFri. 15, Aug.

5

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