Thorndale climate

Thorndale Weather in May

NOAA 1991-2020 normals for W Chester 2 Nw, 9.7 km from Thorndale

Average highs run from 69°F on May 1 to 77°F on May 31, and lows from 43°F to 54°F. Normal precipitation for the month is 3.81 in over about 11 wet days.

May day by day

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

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

May at a glance

Average high
73°F
Average low
49°F
Precipitation
3.81 in
Record high
94°FMay 20, 1996
Record low
29°FMay 4, 1986
Chance of a freeze
35%
Days of 90°F or more
1.8
Daylight
13 h 55 min to 14 h 48 min
Cloud cover
65%
Humidity
78%
Dew point
53°F
Wind
5.1 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
May 169°F43°F85°F 198533°F 200036%
May 269°F44°F87°F 200134°F 200536%
May 370°F44°F89°F 200132°F 200536%
May 470°F44°F90°F 200129°F 198636%
May 570°F45°F86°F 200033°F 199736%
May 671°F45°F87°F 198635°F 199236%
May 771°F45°F91°F 200034°F 199636%
May 871°F46°F91°F 200031°F 199736%
May 971°F46°F90°F 200034°F 198536%
May 1072°F47°F85°F 198730°F 198337%
May 1172°F47°F87°F 198733°F 198337%
May 1272°F47°F86°F 199134°F 198337%
May 1372°F48°F89°F 199135°F 199637%0%
May 1473°F48°F87°F 199130°F 199637%0%
May 1573°F48°F87°F 200438°F 199937%0%
May 1673°F49°F89°F 199839°F 198337%0%
May 1773°F49°F84°F 198633°F 198337%0%
May 1873°F49°F88°F 198633°F 198337%0%
May 1974°F50°F91°F 199635°F 200237%0%
May 2074°F50°F94°F 199635°F 199137%0%
May 2174°F50°F91°F 199634°F 200237%0%
May 2275°F51°F87°F 199134°F 200237%0%
May 2375°F51°F90°F 199137°F 200637%0%
May 2475°F51°F89°F 200439°F 200637%0%
May 2575°F52°F92°F 199142°F 198337%0%
May 2676°F52°F89°F 199142°F 198837%0%
May 2776°F53°F90°F 199140°F 199437%0%
May 2876°F53°F88°F 199137°F 199437%0%
May 2976°F53°F91°F 198740°F 199737%0%
May 3077°F54°F92°F 198740°F 199337%0%
May 3177°F54°F91°F 199139°F 199637%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Thorndale, 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 (EDT).

May 1
sunrise 6:03 AM, sunset 7:58 PM
May 31
sunrise 5:37 AM, sunset 8:25 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00369464 (W Chester 2 Nw), public domain. Records: NOAA GHCN-Daily, station USC00361591, 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.