Chapin climate

Chapin Weather in May

NOAA 1991-2020 normals for Decatur AP, 9.4 km from Chapin

Average highs run from 69°F on May 1 to 79°F on May 31, and lows from 48°F to 58°F. Normal precipitation for the month is 4.38 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 Chapin, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
74°F
Average low
53°F
Precipitation
4.38 in
Record high
97°FMay 28, 2018
Record low
29°FMay 3, 2005
Chance of a freeze
10%
Days of 90°F or more
0.8
Daylight
13 h 55 min to 14 h 48 min
Cloud cover
65%
Humidity
77%
Dew point
55°F
Wind
10.5 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°F48°F84°F 200734°F 201541%0%
May 270°F48°F86°F 201837°F 200441%0%
May 370°F49°F85°F 200129°F 200541%0%
May 470°F49°F83°F 200132°F 200541%0%
May 571°F50°F88°F 201235°F 200542%0%
May 671°F50°F89°F 201239°F 202042%0%
May 771°F50°F86°F 201437°F 202642%0%
May 872°F51°F87°F 200434°F 202042%0%
May 972°F51°F87°F 200429°F 202042%0%
May 1072°F51°F89°F 200536°F 202142%0%
May 1173°F52°F93°F 202237°F 202142%0%
May 1273°F52°F90°F 202231°F 202142%0%
May 1374°F52°F90°F 202236°F 201342%0%
May 1474°F53°F91°F 201839°F 202142%0%
May 1574°F53°F91°F 202542°F 201142%0%
May 1674°F54°F91°F 200138°F 201142%0%
May 1775°F54°F88°F 200137°F 200242%0%
May 1875°F54°F87°F 201735°F 200242%0%
May 1975°F55°F91°F 201242°F 200242%0%
May 2076°F55°F91°F 201236°F 200241%0%
May 2176°F55°F89°F 201432°F 200241%0%
May 2276°F56°F87°F 201140°F 200841%0%
May 2377°F56°F90°F 201043°F 200641%0%
May 2477°F56°F91°F 201039°F 201341%0%
May 2577°F57°F89°F 201244°F 200141%0%
May 2678°F57°F92°F 201242°F 202341%0%
May 2778°F57°F93°F 201247°F 200841%0%
May 2878°F58°F97°F 201844°F 200141%0%
May 2979°F58°F93°F 200644°F 200841%0%
May 3079°F58°F92°F 200640°F 202141%0%
May 3179°F58°F92°F 200246°F 200341%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Chapin, 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 (CDT).

May 1
sunrise 5:55 AM, sunset 7:50 PM
May 31
sunrise 5:29 AM, sunset 8:17 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00003887 (Decatur AP), public domain. Records: NOAA GHCN-Daily, station USW00003887, 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.