Afton climate

Afton Weather in May

NOAA 1991-2020 normals for Creston 2 Sw, 16.4 km from Afton

Average highs run from 66°F on May 1 to 77°F on May 31, and lows from 42°F to 55°F. Normal precipitation for the month is 5.15 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 Afton, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
71°F
Average low
49°F
Precipitation
5.15 in
Record high
103°FMay 30, 1934
Record low
23°FMay 1, 2011
Chance of a freeze
40%
Days of 90°F or more
0.5
Daylight
13 h 59 min to 14 h 55 min
Cloud cover
65%
Humidity
75%
Dew point
53°F
Wind
10.7 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 166°F42°F89°F 198723°F 2011
May 266°F43°F91°F 195225°F 1908
May 367°F43°F88°F 196827°F 1976
May 467°F44°F89°F 195223°F 1907
May 567°F44°F90°F 196626°F 1944
May 668°F44°F92°F 190927°F 1906
May 768°F45°F90°F 196626°F 1931
May 868°F45°F93°F 193427°F 1980
May 969°F46°F92°F 193428°F 1906
May 1069°F46°F91°F 202227°F 1909
May 1170°F47°F93°F 201127°F 1981
May 1270°F47°F94°F 195631°F 1946
May 1370°F48°F91°F 195629°F 1997
May 1471°F48°F91°F 191534°F 1912
May 1571°F49°F93°F 201330°F 1959
May 1671°F49°F89°F 193931°F 2014
May 1772°F49°F92°F 201932°F 1915
May 1872°F50°F93°F 195631°F 1916
May 1972°F50°F90°F 193433°F 1916
May 2073°F51°F93°F 192534°F 19310%
May 2173°F51°F91°F 192532°F 19310%
May 2273°F52°F95°F 192530°F 19630%
May 2374°F52°F90°F 193934°F 20220%
May 2474°F52°F95°F 193934°F 19240%
May 2575°F53°F95°F 195331°F 19250%
May 2675°F53°F97°F 201837°F 19050%
May 2775°F54°F91°F 191432°F 19070%
May 2876°F54°F89°F 191432°F 19470%
May 2976°F54°F100°F 193431°F 19470%
May 3076°F55°F103°F 193439°F 19300%
May 3177°F55°F101°F 193437°F 19720%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Afton, 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 6:15 AM, sunset 8:14 PM
May 31
sunrise 5:47 AM, sunset 8:42 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00131962 (Creston 2 Sw), public domain. Records: NOAA GHCN-Daily, station USC00131962, 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.