Clark County climate

Clark County Weather in May

NOAA 1991-2020 normals for Donnellson, 30.1 km from Clark County

Average highs run from 68°F on May 1 to 79°F on May 31, and lows from 46°F to 58°F. Normal precipitation for the month is 5.01 in over about 12 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 Clark County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
73°F
Average low
52°F
Precipitation
5.01 in
Record high
102°FMay 31, 1934
Record low
33°FMay 3, 1976
Chance of a freeze
11%
Days of 90°F or more
0.9
Daylight
13 h 57 min to 14 h 51 min
Cloud cover
64%
Humidity
76%
Dew point
54°F
Wind
10.3 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°F46°F88°F 195234°F 199637%
May 268°F46°F90°F 196834°F 199437%
May 369°F47°F87°F 195933°F 197637%
May 469°F47°F88°F 195233°F 200538%
May 569°F47°F91°F 195234°F 200538%
May 670°F48°F89°F 193433°F 198938%
May 770°F48°F89°F 200433°F 198938%
May 870°F49°F92°F 197936°F 198938%
May 971°F49°F91°F 196335°F 196638%
May 1071°F50°F89°F 201133°F 196638%
May 1171°F50°F93°F 201138°F 195138%0%
May 1272°F51°F95°F 195637°F 201338%0%
May 1372°F51°F92°F 202238°F 197138%0%
May 1472°F51°F88°F 199139°F 199638%0%
May 1573°F52°F91°F 198838°F 195937%0%
May 1673°F52°F89°F 202539°F 199737%0%
May 1774°F53°F91°F 201939°F 197337%0%
May 1874°F53°F91°F 199638°F 200237%0%
May 1974°F54°F91°F 196239°F 200237%0%
May 2075°F54°F91°F 199641°F 198137%0%
May 2175°F54°F92°F 195638°F 200237%0%
May 2275°F55°F93°F 195636°F 196337%0%
May 2376°F55°F90°F 193938°F 196337%0%
May 2476°F56°F92°F 193942°F 193537%0%
May 2577°F56°F93°F 196743°F 199237%0%
May 2677°F56°F92°F 197843°F 196137%0%
May 2777°F57°F92°F 201241°F 199237%0%
May 2878°F57°F93°F 200642°F 199237%0%
May 2978°F57°F96°F 193441°F 198437%0%
May 3078°F58°F97°F 193441°F 198437%0%
May 3179°F58°F102°F 193445°F 197237%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Clark County, 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 6:06 AM, sunset 8:03 PM
May 31
sunrise 5:39 AM, sunset 8:30 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00132299 (Donnellson), public domain. Records: NOAA GHCN-Daily, station USC00134381, 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.