Iraan climate

Iraan Weather in May

NOAA 1991-2020 normals for Sheffield, 26 km from Iraan

Average highs run from 88°F on May 1 to 95°F on May 31, and lows from 55°F to 65°F. Normal precipitation for the month is 1.92 in over about 4 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 Iraan, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
91°F
Average low
60°F
Precipitation
1.92 in
Record high
108°FMay 25, 2000
Record low
33°FMay 3, 2013
Chance of a freeze
1%
Days of 90°F or more
19.0
Daylight
13 h 24 min to 14 h 01 min
Cloud cover
46%
Humidity
49%
Dew point
50°F
Wind
12.5 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 188°F55°F100°F 200239°F 19949%0%
May 288°F55°F101°F 200235°F 19709%0%
May 388°F56°F99°F 199833°F 201310%0%
May 488°F56°F99°F 202033°F 201310%0%
May 589°F56°F100°F 202037°F 197910%0%
May 689°F57°F99°F 201442°F 197910%0%
May 789°F57°F100°F 198442°F 198210%0%
May 889°F57°F104°F 200044°F 198210%0%
May 990°F58°F104°F 200044°F 196910%0%
May 1090°F58°F104°F 200041°F 198111%0%
May 1190°F58°F103°F 196743°F 198111%0%
May 1290°F59°F103°F 200038°F 197911%0%
May 1391°F59°F100°F 196739°F 197111%0%
May 1491°F59°F100°F 196737°F 201411%0%
May 1591°F60°F102°F 199537°F 201411%0%
May 1691°F60°F102°F 197837°F 197011%0%
May 1791°F60°F103°F 196648°F 197011%0%
May 1892°F61°F102°F 197843°F 198611%0%
May 1992°F61°F98°F 198941°F 197111%0%
May 2092°F61°F101°F 197345°F 197111%0%
May 2192°F62°F101°F 198947°F 196711%0%
May 2293°F62°F100°F 197345°F 196712%0%
May 2393°F63°F103°F 196647°F 198812%0%
May 2493°F63°F105°F 200052°F 196712%0%
May 2593°F63°F108°F 200048°F 201712%0%
May 2694°F64°F104°F 198952°F 199212%0%
May 2794°F64°F103°F 201853°F 199511%0%
May 2894°F64°F106°F 201150°F 197011%0%
May 2994°F65°F106°F 201148°F 199211%0%
May 3094°F65°F103°F 199849°F 199211%0%
May 3195°F65°F102°F 201849°F 197511%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Iraan, in percent, and of at least 0.1 inch of snowfall.02.557.51012.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

May 1
sunrise 7:03 AM, sunset 8:27 PM
May 31
sunrise 6:45 AM, sunset 8:46 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00418252 (Sheffield), public domain. Records: NOAA GHCN-Daily, station USC00410779, 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.