Huntsville climate

Huntsville Weather in May

NASA POWER reanalysis for the half-degree grid cell around Huntsville, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 14°C on May 1 to 20°C on May 31, and lows from 1°C to 8°C. Normal precipitation for the month is 68 mm over about 12 wet days.

May day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Huntsville, in °C, with the record for each date.-10010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
17°C
Average low
5°C
Precipitation
68 mm
Reanalysis high
33°CMay 25, 2010
Reanalysis low
-6°CMay 5, 2020
Daylight
14 h 18 min to 15 h 24 min
Cloud cover
65%
Humidity
74%
Dew point
6°C
Wind
8.3 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
May 114°C1°C24°C 2013-3°C 200835%
May 214°C2°C26°C 2013-3°C 199636%
May 315°C2°C25°C 2013-4°C 200336%
May 415°C2°C26°C 1999-4°C 200435%
May 515°C2°C26°C 2013-6°C 202035%
May 616°C3°C26°C 2013-3°C 202036%
May 716°C3°C26°C 2013-4°C 199738%
May 816°C3°C27°C 2015-4°C 199537%
May 916°C3°C25°C 1993-5°C 202036%
May 1016°C3°C27°C 1993-3°C 202035%
May 1116°C3°C23°C 1992-3°C 202036%
May 1216°C3°C24°C 2004-6°C 200536%
May 1317°C4°C26°C 2004-4°C 202036%
May 1417°C4°C25°C 1998-2°C 201336%
May 1517°C4°C29°C 1998-1°C 200036%
May 1617°C4°C27°C 1998-2°C 201637%
May 1717°C4°C26°C 2015-2°C 201637%
May 1817°C5°C27°C 2017-2°C 199338%
May 1918°C5°C30°C 2012-3°C 200239%
May 2018°C5°C32°C 2012-3°C 200040%
May 2118°C5°C30°C 2012-1°C 200739%
May 2219°C6°C27°C 1991-2°C 201539%
May 2319°C6°C28°C 2020-4°C 201539%
May 2419°C6°C30°C 2010-1°C 199240%
May 2519°C7°C33°C 2010-2°C 200242%
May 2619°C7°C33°C 20101°C 201343%
May 2719°C7°C32°C 2020-2°C 199443%
May 2819°C7°C30°C 2012-2°C 200844%
May 2920°C7°C31°C 2006-1°C 199644%
May 3020°C8°C32°C 20061°C 200445%
May 3120°C8°C30°C 20112°C 200145%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Huntsville, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:05 AM, sunset 8:23 PM
May 31
sunrise 5:33 AM, sunset 8:57 PM

Every day of May: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.