Bristol, Pennsylvania, United States Climate Change Severity

48
High
The current climate change severity in Bristol is High, with a -4.7% 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

Bristol 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), Bristol temperature has changed by around +4.7%, 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
3931
-20.5%
cloudyCloudy
6043
-28.3%
rainyRainy
8150
-38.2%
snowySnowy
55
0%
mistyMisty
04
100%

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

Climate Change Indicators:

Over the past 15 years, Bristol has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (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

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Bristol experienced significant changes:

Temperature change of

+0.5 °C

Variation in annual rainfall

+115.5 %

Change in average humidity

-0.4 %

PM2.5 levels surged by

-25.6 %

Heatwave changed by

+4.8 day(s)

Coldwave changed by

-5.6 day(s)

Wind speeds changed by

+1.2 km/h

These indicators show improvement in key parametes of climate, but Bristol 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.

Bristol Weather Forecast 30 Days (August - September 2025)
Bristol, Pennsylvania, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Tue. 12, Aug.
partly cloudyPartly Cloudy
Temperature Icon35°/20°
Humidity Icon70%
Wind Icon12km/h
Wed. 13, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon32°/24°
Humidity Icon75%
Wind Icon10km/h
Thu. 14, Aug.
heavy rainHeavy rain
Temperature Icon31°/25°
Humidity Icon76%
Wind Icon13km/h
Fri. 15, Aug.
partly cloudyPartly Cloudy
Temperature Icon33°/22°
Humidity Icon72%
Wind Icon17km/h
Sat. 16, Aug.
partly cloudyPartly Cloudy
Temperature Icon32°/21°
Humidity Icon65%
Wind Icon15km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon34°/21°
Humidity Icon70%
Wind Icon13km/h
Mon. 18, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon35°/23°
Humidity Icon67%
Wind Icon13km/h
Tue. 19, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/23°
Humidity Icon76%
Wind Icon16km/h
Wed. 20, Aug.
partly cloudyPartly Cloudy
Temperature Icon30°/21°
Humidity Icon67%
Wind Icon14km/h
Thu. 21, Aug.
partly cloudyPartly Cloudy
Temperature Icon31°/20°
Humidity Icon62%
Wind Icon15km/h
Fri. 22, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/20°
Humidity Icon65%
Wind Icon19km/h
Sat. 23, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/21°
Humidity Icon67%
Wind Icon19km/h
Sun. 24, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/20°
Humidity Icon56%
Wind Icon15km/h
Mon. 25, Aug.
sunnySunny
Temperature Icon26°/15°
Humidity Icon46%
Wind Icon18km/h
Tue. 26, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon29°/19°
Humidity Icon69%
Wind Icon15km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/19°
Humidity Icon71%
Wind Icon14km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/19°
Humidity Icon75%
Wind Icon16km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/19°
Humidity Icon75%
Wind Icon13km/h
Sat. 30, Aug.
moderate rain at timesModerate rain at times
Temperature Icon29°/19°
Humidity Icon70%
Wind Icon14km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/19°
Humidity Icon70%
Wind Icon14km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/19°
Humidity Icon72%
Wind Icon14km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/18°
Humidity Icon75%
Wind Icon13km/h
Wed. 3, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon28°/19°
Humidity Icon73%
Wind Icon14km/h
Thu. 4, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon28°/19°
Humidity Icon70%
Wind Icon15km/h
Fri. 5, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/19°
Humidity Icon72%
Wind Icon14km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/18°
Humidity Icon74%
Wind Icon15km/h
Sun. 7, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/18°
Humidity Icon75%
Wind Icon15km/h
Mon. 8, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/18°
Humidity Icon74%
Wind Icon16km/h
Tue. 9, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/18°
Humidity Icon75%
Wind Icon14km/h
Wed. 10, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/17°
Humidity Icon77%
Wind Icon15km/h
Thu. 11, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/17°
Humidity Icon76%
Wind Icon14km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 18, Aug.

35.3°C

Low will be onMon. 25, Aug.

15.1°C

HumidityHumidity

High will be onWed. 10, Sep.

77%

Low will be onMon. 25, Aug.

46%

Wind SpeedWind Speed

High will be onFri. 22, Aug.

19.1km/h

Low will be onWed. 13, Aug.

10.4km/h

PrecipitationPrecipitation

High will be onThu. 14, Aug.

28.4mm

Low will be onThu. 21, Aug.

0.01mm

Ultraviolet IndexUV

High will be onSat. 16, Aug.

7

Low will be onFri. 15, Aug.

0.1

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