Williamson, New York, United States Climate Change Severity

38
Moderate
The current climate change severity in Williamson is Moderate, with a 18.1% 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 (c)

Williamson 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), Williamson temperature has changed by around +1.6%, 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
2511
-56.00000000000001%
cloudyCloudy
4422
-50%
rainyRainy
9892
-6.1%
snowySnowy
913
44.4%
mistyMisty
05
100%

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

Climate Change Indicators:

Over the past 15 years, Williamson has experienced measurable improvements in key climate parameters, contributing to the current severity score of 38 (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

38/100

Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Williamson experienced significant changes:

Temperature change of

+0.1 °C

Variation in annual rainfall

+17.3 %

Change in average humidity

-1.6 %

PM2.5 levels surged by

+100 %

Heatwave changed by

-1.6 day(s)

Coldwave changed by

-3.2 day(s)

Wind speeds changed by

+3.02 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 Jul.

Williamson Weather Forecast 30 Days (August - September 2025)
Williamson, New York, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 31, Aug.
sunnySunny
Temperature Icon25°/13°
Humidity Icon74%
Wind Icon17km/h
Mon. 1, Sep.
sunnySunny
Temperature Icon24°/10°
Humidity Icon72%
Wind Icon10km/h
Tue. 2, Sep.
fogFog
Temperature Icon24°/11°
Humidity Icon80%
Wind Icon13km/h
Wed. 3, Sep.
partly cloudyPartly Cloudy
Temperature Icon25°/14°
Humidity Icon62%
Wind Icon23km/h
Thu. 4, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/15°
Humidity Icon80%
Wind Icon29km/h
Fri. 5, Sep.
partly cloudyPartly Cloudy
Temperature Icon23°/13°
Humidity Icon64%
Wind Icon19km/h
Sat. 6, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/13°
Humidity Icon76%
Wind Icon34km/h
Sun. 7, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/12°
Humidity Icon65%
Wind Icon19km/h
Mon. 8, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon16°/10°
Humidity Icon71%
Wind Icon16km/h
Tue. 9, Sep.
sunnySunny
Temperature Icon19°/9°
Humidity Icon64%
Wind Icon20km/h
Wed. 10, Sep.
sunnySunny
Temperature Icon18°/11°
Humidity Icon71%
Wind Icon17km/h
Thu. 11, Sep.
sunnySunny
Temperature Icon19°/11°
Humidity Icon60%
Wind Icon16km/h
Fri. 12, Sep.
sunnySunny
Temperature Icon23°/12°
Humidity Icon66%
Wind Icon16km/h
Sat. 13, Sep.
sunnySunny
Temperature Icon26°/16°
Humidity Icon61%
Wind Icon16km/h
Sun. 14, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon21°/14°
Humidity Icon76%
Wind Icon22km/h
Mon. 15, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/13°
Humidity Icon73%
Wind Icon18km/h
Tue. 16, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/13°
Humidity Icon73%
Wind Icon18km/h
Wed. 17, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon21°/14°
Humidity Icon74%
Wind Icon18km/h
Thu. 18, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/13°
Humidity Icon76%
Wind Icon19km/h
Fri. 19, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/13°
Humidity Icon74%
Wind Icon19km/h
Sat. 20, Sep.
moderate rain at timesModerate rain at times
Temperature Icon21°/13°
Humidity Icon72%
Wind Icon19km/h
Sun. 21, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/13°
Humidity Icon73%
Wind Icon22km/h
Mon. 22, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/13°
Humidity Icon75%
Wind Icon23km/h
Tue. 23, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/13°
Humidity Icon75%
Wind Icon22km/h
Wed. 24, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon20°/13°
Humidity Icon73%
Wind Icon20km/h
Thu. 25, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/13°
Humidity Icon74%
Wind Icon20km/h
Fri. 26, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/13°
Humidity Icon75%
Wind Icon21km/h
Sat. 27, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/13°
Humidity Icon75%
Wind Icon20km/h
Sun. 28, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon77%
Wind Icon22km/h
Mon. 29, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/12°
Humidity Icon77%
Wind Icon22km/h
Tue. 30, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/11°
Humidity Icon78%
Wind Icon23km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 13, Sep.

26.3°C

Low will be onTue. 9, Sep.

9°C

HumidityHumidity

High will be onTue. 2, Sep.

80%

Low will be onThu. 11, Sep.

60%

Wind SpeedWind Speed

High will be onSat. 6, Sep.

33.5km/h

Low will be onMon. 1, Sep.

10.4km/h

PrecipitationPrecipitation

High will be onTue. 30, Sep.

8.8mm

Low will be onWed. 3, Sep.

0.02mm

Ultraviolet IndexUV

High will be onSat. 13, Sep.

6

Low will be onSun. 7, Sep.

3

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