Rosalia, Washington, United States Climate Change Severity

33
Moderate
The current climate change severity in Rosalia is Moderate, with a 33.2% 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 Sep. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Rosalia 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), Rosalia temperature has changed by around +1.6%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
9064
-28.8%
cloudyCloudy
6762
-7.4%
rainyRainy
8154
-33.3%
snowySnowy
67
16.6%
mistyMisty
04
100%

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

Climate Change Indicators:

Over the past 15 years, Rosalia has experienced measurable improvements in key climate parameters, contributing to the current severity score of 33 (within the Moderate severity category). This suggests improving climate conditions compared to previous years. Here’s a breakdown of the specific changes observed:

Severity Score

33/100

Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Rosalia experienced significant changes:

Temperature change of

+0.1 °C

Variation in annual rainfall

-0.5 %

Change in average humidity

+4.9 %

PM2.5 levels surged by

+100 %

Heatwave changed by

-3.8 day(s)

Coldwave changed by

-6.8 day(s)

Wind speeds changed by

+0.2 km/h

These indicators show reduced climate volatility, offering a valuable window to reinforce sustainable practices and strengthen long-term climate resilience. As the severity shifts toward Moderate, it is important to maintain momentum in climate adaptation efforts.

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

Rosalia Weather Forecast 30 Days (October 2025)
Rosalia, Washington, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Wed. 1, Oct.
sunnySunny
Temperature Icon20°/10°
Humidity Icon61%
Wind Icon21km/h
Thu. 2, Oct.
overcastOvercast
Temperature Icon17°/9°
Humidity Icon63%
Wind Icon11km/h
Fri. 3, Oct.
sunnySunny
Temperature Icon19°/7°
Humidity Icon57%
Wind Icon17km/h
Sat. 4, Oct.
sunnySunny
Temperature Icon18°/6°
Humidity Icon49%
Wind Icon17km/h
Sun. 5, Oct.
sunnySunny
Temperature Icon18°/5°
Humidity Icon49%
Wind Icon13km/h
Mon. 6, Oct.
sunnySunny
Temperature Icon19°/5°
Humidity Icon39%
Wind Icon10km/h
Tue. 7, Oct.
sunnySunny
Temperature Icon20°/6°
Humidity Icon32%
Wind Icon9km/h
Wed. 8, Oct.
sunnySunny
Temperature Icon20°/8°
Humidity Icon34%
Wind Icon23km/h
Thu. 9, Oct.
sunnySunny
Temperature Icon11°/4°
Humidity Icon55%
Wind Icon19km/h
Fri. 10, Oct.
sunnySunny
Temperature Icon14°/1°
Humidity Icon44%
Wind Icon10km/h
Sat. 11, Oct.
sunnySunny
Temperature Icon18°/3°
Humidity Icon31%
Wind Icon12km/h
Sun. 12, Oct.
sunnySunny
Temperature Icon19°/5°
Humidity Icon32%
Wind Icon9km/h
Mon. 13, Oct.
sunnySunny
Temperature Icon19°/7°
Humidity Icon30%
Wind Icon8km/h
Tue. 14, Oct.
sunnySunny
Temperature Icon20°/7°
Humidity Icon34%
Wind Icon7km/h
Wed. 15, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/7°
Humidity Icon59%
Wind Icon17km/h
Thu. 16, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon17°/7°
Humidity Icon55%
Wind Icon19km/h
Fri. 17, Oct.
moderate rain at timesModerate rain at times
Temperature Icon16°/6°
Humidity Icon56%
Wind Icon19km/h
Sat. 18, Oct.
moderate rain at timesModerate rain at times
Temperature Icon15°/6°
Humidity Icon61%
Wind Icon14km/h
Sun. 19, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/6°
Humidity Icon60%
Wind Icon16km/h
Mon. 20, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon15°/6°
Humidity Icon62%
Wind Icon20km/h
Wed. 22, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/6°
Humidity Icon67%
Wind Icon20km/h
Thu. 23, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/4°
Humidity Icon71%
Wind Icon18km/h
Fri. 24, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon11°/3°
Humidity Icon68%
Wind Icon21km/h
Sat. 25, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/3°
Humidity Icon67%
Wind Icon20km/h
Sun. 26, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/3°
Humidity Icon69%
Wind Icon20km/h
Mon. 27, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/2°
Humidity Icon68%
Wind Icon19km/h
Tue. 28, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/3°
Humidity Icon69%
Wind Icon20km/h
Wed. 29, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/3°
Humidity Icon70%
Wind Icon21km/h
Thu. 30, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/3°
Humidity Icon67%
Wind Icon22km/h
Fri. 31, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/4°
Humidity Icon68%
Wind Icon24km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 7, Oct.

20.3°C

Low will be onFri. 10, Oct.

0.7°C

HumidityHumidity

High will be onThu. 23, Oct.

71%

Low will be onMon. 13, Oct.

30%

Wind SpeedWind Speed

High will be onFri. 31, Oct.

23.8km/h

Low will be onTue. 14, Oct.

6.8km/h

PrecipitationPrecipitation

High will be onFri. 31, Oct.

3.1mm

Low will be onThu. 9, Oct.

0.03mm

Ultraviolet IndexUV

High will be onMon. 6, Oct.

4

Low will be onWed. 22, Oct.

2

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