Red Willow County climate

Red Willow County Weather in May

NOAA 1991-2020 normals for Mc Cook, 12.7 km from Red Willow County

Average highs run from 69°F on May 1 to 81°F on May 31, and lows from 39°F to 51°F. Normal precipitation for the month is 3.01 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 Red Willow County, 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
45°F
Precipitation
3.01 in
Snowfall
0.1 in
Record high
106°FMay 31, 2002
Record low
24°FMay 2, 2005
Chance of a freeze
57%
Days of 90°F or more
2.3
Daylight
13 h 56 min to 14 h 50 min
Cloud cover
61%
Humidity
57%
Dew point
45°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 169°F39°F93°F 202126°F 200528%2%
May 269°F39°F89°F 201524°F 200528%1%
May 369°F40°F90°F 201525°F 201328%1%
May 470°F40°F94°F 201227°F 201328%1%
May 570°F41°F97°F 201225°F 201328%1%
May 670°F41°F89°F 200234°F 201328%1%
May 771°F41°F90°F 201732°F 201028%1%
May 871°F42°F94°F 200431°F 199929%1%
May 972°F42°F94°F 201130°F 199729%1%
May 1072°F43°F91°F 201231°F 201929%1%
May 1172°F43°F99°F 202230°F 200829%1%
May 1273°F43°F95°F 202229°F 201529%1%
May 1373°F44°F95°F 201332°F 201029%0%
May 1474°F44°F100°F 201329°F 200429%0%
May 1574°F45°F93°F 200135°F 200529%0%
May 1674°F45°F93°F 201931°F 201130%0%
May 1775°F45°F95°F 201234°F 201430%0%
May 1875°F46°F95°F 199837°F 199930%0%
May 1976°F46°F97°F 200639°F 201530%0%
May 2076°F47°F97°F 200536°F 200330%0%
May 2176°F47°F93°F 200534°F 201530%0%
May 2277°F48°F95°F 201237°F 201930%0%
May 2377°F48°F96°F 200039°F 202230%0%
May 2478°F48°F90°F 200634°F 201731%0%
May 2578°F49°F95°F 201837°F 200231%0%
May 2679°F49°F102°F 201237°F 201131%0%
May 2779°F50°F103°F 200643°F 200531%0%
May 2879°F50°F101°F 200638°F 200531%0%
May 2980°F50°F103°F 200042°F 199730%0%
May 3080°F51°F97°F 200243°F 201530%0%
May 3181°F51°F106°F 200242°F 201130%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Red Willow 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 6:41 AM, sunset 8:37 PM
May 31
sunrise 6:15 AM, sunset 9:05 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00255310 (Mc Cook), public domain. Records: NOAA GHCN-Daily, station USW00094040, 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.