Simpson climate

Simpson Weather in May

NOAA 1991-2020 normals for Ft Polk Fullerton Lndg Strip, 11.6 km from Simpson

Average highs run from 82°F on May 1 to 90°F on May 31, and lows from 60°F to 68°F. Normal precipitation for the month is 4.73 in.

May day by day

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

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

May at a glance

Average high
86°F
Average low
64°F
Precipitation
4.73 in
Record high
98°FMay 28, 2011
Record low
38°FMay 4, 2013
Chance of a freeze
0%
Days of 90°F or more
9.5
Daylight
13 h 25 min to 14 h 02 min
Cloud cover
57%
Humidity
78%
Dew point
66°F
Wind
4.3 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
May 182°F60°F89°F 201948°F 20170%
May 282°F60°F90°F 201149°F 20230%
May 382°F61°F92°F 201047°F 20260%
May 482°F61°F89°F 201038°F 20130%
May 583°F61°F91°F 201043°F 20130%
May 683°F62°F91°F 201242°F 20130%
May 783°F62°F93°F 201050°F 20160%
May 883°F62°F91°F 202255°F 20130%
May 984°F62°F92°F 201153°F 20200%
May 1084°F63°F92°F 201552°F 20200%
May 1184°F63°F91°F 202250°F 20200%
May 1285°F63°F93°F 202248°F 20060%
May 1385°F64°F92°F 201148°F 20130%
May 1485°F64°F93°F 201850°F 20110%
May 1585°F64°F94°F 201846°F 20110%
May 1686°F65°F94°F 201850°F 20060%
May 1786°F65°F95°F 201846°F 20110%
May 1886°F65°F94°F 202250°F 20090%
May 1987°F65°F94°F 202248°F 20070%
May 2087°F66°F93°F 201149°F 20090%
May 2187°F66°F93°F 201858°F 20060%
May 2287°F66°F94°F 201858°F 20150%
May 2388°F67°F93°F 202559°F 20230%
May 2488°F67°F94°F 201054°F 20170%
May 2588°F67°F95°F 201052°F 20170%
May 2688°F67°F93°F 201058°F 20220%
May 2789°F67°F97°F 201158°F 20220%
May 2889°F68°F98°F 201156°F 20220%
May 2989°F68°F95°F 201056°F 20090%
May 3089°F68°F97°F 201157°F 20090%
May 3190°F68°F96°F 201159°F 20090%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Simpson, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

May 1
sunrise 6:27 AM, sunset 7:52 PM
May 31
sunrise 6:09 AM, sunset 8:11 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00053988 (Ft Polk Fullerton Lndg Strip), public domain. Records: NOAA GHCN-Daily, station USW00053988, 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.