Windham climate

Windham Weather in May

NOAA 1991-2020 normals for Hiram, 8.6 km from Windham

Average highs run from 65°F on May 1 to 73°F on May 31, and lows from 42°F to 52°F. Normal precipitation for the month is 4.06 in over about 13 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 Windham, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
69°F
Average low
47°F
Precipitation
4.06 in
Record high
97°FMay 29, 2012
Record low
29°FMay 1, 2021
Chance of a freeze
51%
Daylight
14 h 00 min to 14 h 56 min
Cloud cover
68%
Humidity
76%
Dew point
51°F
Wind
6.0 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 165°F42°F82°F 201729°F 202142%
May 265°F42°F81°F 201930°F 202142%
May 365°F43°F82°F 201834°F 202642%
May 466°F43°F85°F 201235°F 202342%
May 566°F43°F82°F 201233°F 202042%
May 666°F44°F76°F 202433°F 202142%
May 766°F44°F79°F 201530°F 202042%0%
May 867°F44°F82°F 201530°F 202042%0%
May 967°F45°F86°F 201529°F 202042%0%
May 1067°F45°F89°F 201529°F 202042%0%
May 1168°F45°F81°F 201533°F 202142%0%
May 1268°F46°F89°F 201534°F 202042%0%
May 1368°F46°F81°F 202229°F 202042%0%
May 1469°F46°F92°F 201432°F 202042%0%
May 1569°F47°F89°F 201436°F 201542%0%
May 1669°F47°F86°F 201334°F 201642%0%
May 1769°F47°F89°F 201336°F 201642%0%
May 1870°F48°F88°F 201330°F 202341%0%
May 1970°F48°F90°F 201333°F 202341%0%
May 2070°F48°F93°F 201238°F 201641%0%
May 2170°F48°F93°F 201239°F 201641%0%
May 2271°F49°F93°F 201342°F 202341%0%
May 2371°F49°F92°F 201341°F 201541%0%
May 2471°F49°F86°F 201244°F 202241%0%
May 2571°F50°F91°F 201238°F 201341%0%
May 2672°F50°F92°F 201238°F 201341%0%
May 2772°F50°F91°F 201441°F 202341%0%
May 2872°F51°F95°F 201244°F 202341%0%
May 2972°F51°F97°F 201243°F 202141%0%
May 3073°F51°F96°F 201344°F 202141%0%
May 3173°F52°F96°F 201338°F 202141%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Windham, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:22 AM, sunset 8:22 PM
May 31
sunrise 5:54 AM, sunset 8:50 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00333780 (Hiram), public domain. Records: NOAA GHCN-Daily, station USC00336949, 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.