Sloan climate

Sloan Weather in May

NOAA 1991-2020 normals for Onawa 3NW, 20 km from Sloan

Average highs run from 68°F on May 1 to 79°F on May 31, and lows from 41°F to 54°F. Normal precipitation for the month is 4.58 in over about 9 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 Sloan, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
74°F
Average low
48°F
Precipitation
4.58 in
Record high
106°FMay 14, 2013
Record low
25°FMay 1, 1997
Chance of a freeze
54%
Days of 90°F or more
1.7
Daylight
14 h 04 min to 15 h 02 min
Cloud cover
65%
Humidity
69%
Dew point
50°F
Wind
11.6 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 168°F41°F93°F 195925°F 199730%
May 268°F41°F91°F 196527°F 202630%
May 369°F42°F94°F 194925°F 197630%
May 469°F42°F93°F 195228°F 194430%
May 569°F43°F95°F 200428°F 194430%
May 670°F43°F92°F 195526°F 194430%
May 770°F44°F94°F 201430°F 195430%
May 871°F44°F91°F 201728°F 194530%
May 971°F45°F95°F 201130°F 201030%
May 1071°F45°F96°F 201130°F 194530%
May 1172°F46°F92°F 196227°F 194630%
May 1272°F46°F94°F 202228°F 194630%
May 1372°F47°F95°F 198725°F 199730%
May 1473°F47°F106°F 201333°F 200430%
May 1573°F48°F101°F 200132°F 194230%
May 1674°F48°F91°F 198728°F 201430%
May 1774°F49°F97°F 199630°F 201430%
May 1874°F49°F96°F 197034°F 200230%
May 1975°F49°F97°F 200932°F 200230%
May 2075°F50°F94°F 194832°F 199730%
May 2175°F50°F94°F 197335°F 200330%0%
May 2276°F51°F92°F 200030°F 202230%0%
May 2376°F51°F94°F 195037°F 196331%0%
May 2477°F52°F95°F 201037°F 194931%0%
May 2577°F52°F102°F 196739°F 200231%0%
May 2677°F52°F97°F 201834°F 199231%0%
May 2778°F53°F102°F 201834°F 199231%0%
May 2878°F53°F98°F 200631°F 194731%0%
May 2978°F54°F95°F 194327°F 194731%0%
May 3079°F54°F94°F 200237°F 194731%0%
May 3179°F54°F92°F 200942°F 196431%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sloan, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

May 1
sunrise 6:20 AM, sunset 8:24 PM
May 31
sunrise 5:52 AM, sunset 8:54 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00136243 (Onawa 3NW), public domain. Records: NOAA GHCN-Daily, station USW00014943, 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.