Chester County climate

Chester County Weather in April

NOAA 1991-2020 normals for Henderson 4 W, 10.4 km from Chester County

Average highs run from 67°F on April 1 to 75°F on April 30, and lows from 40°F to 50°F. Normal precipitation for the month is 6.40 in over about 10 wet days.

April day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Chester County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
71°F
Average low
45°F
Precipitation
6.40 in
Snowfall
0.1 in
Record high
92°FApr 19, 2006
Record low
22°FApr 8, 2007
Chance of a freeze
79%
Daylight
12 h 35 min to 13 h 36 min
Cloud cover
59%
Humidity
80%
Dew point
52°F
Wind
8.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Apr 167°F40°F88°F 196327°F 198736%0%
Apr 267°F40°F87°F 201225°F 197236%0%
Apr 368°F41°F88°F 196723°F 196236%0%
Apr 468°F41°F87°F 200723°F 198735%0%
Apr 568°F41°F88°F 202327°F 196635%0%
Apr 669°F42°F90°F 198823°F 196635%0%
Apr 769°F42°F86°F 196724°F 200735%0%
Apr 869°F42°F87°F 197822°F 200735%0%
Apr 969°F43°F88°F 201526°F 198535%0%
Apr 1070°F43°F91°F 201125°F 196635%0%
Apr 1170°F43°F90°F 201124°F 197335%0%
Apr 1270°F44°F87°F 200129°F 197535%0%
Apr 1371°F44°F85°F 197730°F 197535%0%
Apr 1471°F44°F86°F 201727°F 195935%0%
Apr 1571°F45°F88°F 201729°F 200835%0%
Apr 1671°F45°F88°F 197726°F 196235%0%
Apr 1772°F45°F88°F 197730°F 198635%0%
Apr 1872°F46°F89°F 200630°F 196135%0%
Apr 1972°F46°F92°F 200626°F 198336%0%
Apr 2072°F46°F90°F 197127°F 198336%0%
Apr 2173°F47°F90°F 198730°F 198336%0%
Apr 2273°F47°F92°F 198730°F 199336%0%
Apr 2373°F47°F88°F 196529°F 198636%0%
Apr 2473°F48°F90°F 196532°F 196936%0%
Apr 2574°F48°F90°F 196532°F 198336%0%
Apr 2674°F48°F88°F 198630°F 197236%0%
Apr 2774°F49°F88°F 198935°F 197636%0%
Apr 2874°F49°F90°F 198733°F 198836%0%
Apr 2975°F49°F90°F 198932°F 196536%0%
Apr 3075°F50°F87°F 195934°F 196536%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Chester County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

April 1
sunrise 6:41 AM, sunset 7:16 PM
April 30
sunrise 6:04 AM, sunset 7:40 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00404033 (Henderson 4 W), public domain. Records: NOAA GHCN-Daily, station USC00408160, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.