Skip to content
HOME
Data Quality & Chester County Climate Overview
Detailed Station Data Sources
Chester County Climate Overview
Past Climate Summaries
Annual Summaries
1890s
1900’s
1910’s
1920’s
1930’s
1940’s
1950’s
1960’s
1970’s
1980’s
1990’s
2000’s
2010’s
2020’s
Monthly Summaries
2020
2021
2022
2023
2024
2025
Climate Records
Monthly Records
Annual Records
Climate Trends
Annual Trends
Precipitation
Snowfall
Temperature
Monthly – Seasonal Trends
Winter
Spring
Summer
Fall
Actual Raw vs. NOAA Estimated Data
Chester County vs. PHL Airport Heat Island
All Things Winter Weather
Largest Snowstorms and Snow by Seasons
Top Snowfalls by Month
In The News
Historical Weather Photos
Winter Photos
Spring Photos
Summer Photos
Fall Photos
HOME
Data Quality & Chester County Climate Overview
Detailed Station Data Sources
Chester County Climate Overview
Past Climate Summaries
Annual Summaries
1890s
1900’s
1910’s
1920’s
1930’s
1940’s
1950’s
1960’s
1970’s
1980’s
1990’s
2000’s
2010’s
2020’s
Monthly Summaries
2020
2021
2022
2023
2024
2025
Climate Records
Monthly Records
Annual Records
Climate Trends
Annual Trends
Precipitation
Snowfall
Temperature
Monthly – Seasonal Trends
Winter
Spring
Summer
Fall
Actual Raw vs. NOAA Estimated Data
Chester County vs. PHL Airport Heat Island
All Things Winter Weather
Largest Snowstorms and Snow by Seasons
Top Snowfalls by Month
In The News
Historical Weather Photos
Winter Photos
Spring Photos
Summer Photos
Fall Photos
Past Weather Photos
