Osborne climate

Osborne Weather in May

NOAA 1991-2020 normals for Alton 1 W, 24 km from Osborne

Average highs run from 71°F on May 1 to 82°F on May 31, and lows from 42°F to 54°F. Normal precipitation for the month is 4.23 in over about 11 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 Osborne, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
76°F
Average low
48°F
Precipitation
4.23 in
Record high
105°FMay 29, 1913
Record low
27°FMay 2, 1967
Chance of a freeze
43%
Days of 90°F or more
3.5
Daylight
13 h 53 min to 14 h 45 min
Cloud cover
60%
Humidity
64%
Dew point
50°F
Wind
11.4 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 171°F42°F96°F 195529°F 192532%
May 271°F43°F95°F 196827°F 196732%
May 372°F43°F93°F 195928°F 200532%
May 472°F43°F93°F 201529°F 201332%
May 572°F44°F96°F 196232°F 191733%
May 673°F44°F98°F 191631°F 198933%
May 773°F45°F98°F 191632°F 191533%
May 873°F45°F97°F 196331°F 191733%
May 974°F46°F94°F 201129°F 192333%
May 1074°F46°F99°F 201130°F 198133%
May 1174°F46°F94°F 196229°F 197933%
May 1275°F47°F101°F 195631°F 195333%
May 1375°F47°F94°F 191529°F 196633%
May 1475°F48°F95°F 191529°F 195334%
May 1576°F48°F98°F 201332°F 198334%
May 1676°F48°F98°F 202631°F 192334%
May 1777°F49°F97°F 199634°F 191534%
May 1877°F49°F96°F 191735°F 191534%
May 1977°F50°F94°F 191337°F 191534%
May 2078°F50°F100°F 195628°F 192434%
May 2178°F50°F96°F 192534°F 191534%
May 2279°F51°F101°F 200536°F 196334%
May 2379°F51°F100°F 196434°F 191734%
May 2479°F52°F101°F 196729°F 192434%
May 2580°F52°F100°F 196437°F 200234%
May 2680°F52°F95°F 191238°F 191734%0%
May 2781°F53°F101°F 201239°F 191734%0%
May 2881°F53°F98°F 192138°F 199234%0%
May 2981°F54°F105°F 191339°F 198434%0%
May 3082°F54°F100°F 199841°F 191734%0%
May 3182°F54°F99°F 191339°F 191734%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Osborne, 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 6:36 AM, sunset 8:29 PM
May 31
sunrise 6:10 AM, sunset 8:55 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00140201 (Alton 1 W), public domain. Records: NOAA GHCN-Daily, station USC00147542, 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.