South Greeley climate

South Greeley Weather in May

NOAA 1991-2020 normals for Cheyenne WFO, 6.1 km from South Greeley

Average highs run from 58°F on May 1 to 71°F on May 31, and lows from 34°F to 45°F. Normal precipitation for the month is 2.53 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 South Greeley, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
64°F
Average low
40°F
Precipitation
2.53 in
Snowfall
4.0 in
Record high
92°FMay 29, 2003
Record low
9°FMay 2, 2013
Chance of a freeze
95%
Daylight
13 h 59 min to 14 h 56 min
Cloud cover
63%
Humidity
54%
Dew point
34°F
Wind
9.8 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 158°F34°F78°F 202115°F 201341%16%
May 259°F34°F73°F 20149°F 201341%15%
May 359°F35°F77°F 200420°F 200841%15%
May 459°F35°F80°F 201223°F 202442%14%
May 560°F35°F85°F 200428°F 201142%14%
May 660°F36°F84°F 200426°F 201042%13%
May 761°F36°F82°F 200423°F 201042%13%
May 861°F36°F80°F 200425°F 201042%12%
May 961°F37°F81°F 200423°F 201543%12%
May 1062°F37°F78°F 201224°F 201543%11%
May 1162°F38°F81°F 200724°F 201543%11%
May 1263°F38°F79°F 200724°F 200543%10%
May 1363°F38°F81°F 200724°F 201443%10%
May 1463°F39°F83°F 201329°F 201443%9%
May 1564°F39°F77°F 201931°F 201143%9%
May 1664°F40°F80°F 202232°F 201643%8%
May 1765°F40°F80°F 200332°F 201643%8%
May 1865°F40°F83°F 200928°F 201743%7%
May 1966°F41°F85°F 200928°F 201743%7%
May 2066°F41°F86°F 200528°F 201543%6%
May 2166°F42°F82°F 200523°F 202242%6%
May 2267°F42°F85°F 201226°F 202242%5%
May 2367°F42°F79°F 200533°F 201942%5%
May 2468°F43°F78°F 200630°F 200742%4%
May 2568°F43°F81°F 201832°F 200442%4%
May 2669°F43°F84°F 201834°F 201742%4%
May 2769°F44°F84°F 202236°F 200841%3%
May 2869°F44°F84°F 201035°F 200541%3%
May 2970°F44°F92°F 200333°F 201241%3%
May 3070°F45°F83°F 200335°F 200441%2%
May 3171°F45°F85°F 202036°F 200541%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at South Greeley, 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 (MDT).

May 1
sunrise 5:57 AM, sunset 7:56 PM
May 31
sunrise 5:29 AM, sunset 8:25 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00481676 (Cheyenne WFO), public domain. Records: NOAA GHCN-Daily, station USC00481676, 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.