Cheyenne climate

Cheyenne Weather in May

NOAA 1991-2020 normals for Cheyenne 6SW Mesonet, 9.1 km from Cheyenne

Average highs run from 74°F on May 1 to 84°F on May 31, and lows from 51°F to 62°F. Normal precipitation for the month is 3.97 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 Cheyenne, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
79°F
Average low
57°F
Precipitation
3.97 in
Record high
106°FMay 23, 1953
Record low
31°FMay 3, 1954
Chance of a freeze
1%
Days of 90°F or more
5.3
Daylight
13 h 38 min to 14 h 24 min
Cloud cover
54%
Humidity
62%
Dew point
53°F
Wind
12.1 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 174°F51°F96°F 202033°F 19940%
May 275°F52°F97°F 202036°F 19540%
May 375°F52°F99°F 199631°F 19540%
May 475°F52°F97°F 202035°F 19540%
May 576°F53°F95°F 194039°F 19350%
May 676°F53°F95°F 198639°F 19350%
May 776°F53°F96°F 201834°F 19600%
May 877°F54°F101°F 202234°F 19840%
May 977°F54°F104°F 202238°F 19800%
May 1077°F55°F102°F 196337°F 19810%
May 1178°F55°F102°F 196336°F 19810%
May 1278°F55°F101°F 200035°F 19530%
May 1379°F56°F96°F 198437°F 19530%
May 1479°F56°F97°F 202636°F 19530%
May 1579°F56°F103°F 202636°F 19420%
May 1680°F57°F99°F 196639°F 19450%
May 1780°F57°F100°F 192736°F 19450%
May 1880°F58°F98°F 195641°F 19760%
May 1981°F58°F100°F 197342°F 19830%
May 2081°F58°F98°F 195340°F 19810%
May 2181°F59°F99°F 194845°F 19670%
May 2282°F59°F104°F 193940°F 19310%
May 2382°F59°F106°F 195346°F 19310%
May 2482°F60°F104°F 200044°F 19350%
May 2582°F60°F102°F 200046°F 19300%
May 2683°F60°F101°F 195343°F 19500%
May 2783°F61°F101°F 191240°F 19500%
May 2883°F61°F103°F 192742°F 19470%
May 2984°F61°F100°F 198539°F 19470%
May 3084°F62°F101°F 198543°F 19470%
May 3184°F62°F101°F 200345°F 19830%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cheyenne, 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 6:47 AM, sunset 8:25 PM
May 31
sunrise 6:25 AM, sunset 8:49 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00341743 (Cheyenne 6SW Mesonet), public domain. Records: NOAA GHCN-Daily, station USC00342849, 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.