Olney climate

Olney Weather in May

NOAA 1991-2020 normals for Olney, 1.3 km from Olney

Average highs run from 80°F on May 1 to 88°F on May 31, and lows from 54°F to 65°F. Normal precipitation for the month is 3.92 in over about 7 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 Olney, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
84°F
Average low
59°F
Precipitation
3.92 in
Record high
107°FMay 24, 2000
Record low
33°FMay 1, 2014
Chance of a freeze
1%
Days of 90°F or more
9.6
Daylight
13 h 31 min to 14 h 12 min
Cloud cover
53%
Humidity
63%
Dew point
58°F
Wind
11.2 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 180°F54°F97°F 200233°F 201420%0%
May 280°F54°F98°F 190433°F 201420%0%
May 381°F54°F96°F 196433°F 201420%0%
May 481°F55°F101°F 194734°F 201321%0%
May 581°F55°F100°F 201240°F 197921%0%
May 681°F56°F103°F 201439°F 193521%0%
May 781°F56°F102°F 191835°F 193121%0%
May 882°F56°F103°F 191838°F 191721%0%
May 982°F57°F102°F 191839°F 198422%0%
May 1082°F57°F100°F 191041°F 199722%0%
May 1183°F57°F104°F 196735°F 198122%0%
May 1283°F58°F103°F 196735°F 197922%0%
May 1383°F58°F96°F 198439°F 197922%0%
May 1483°F59°F96°F 195640°F 197122%0%
May 1584°F59°F100°F 191335°F 194222%0%
May 1684°F59°F103°F 197840°F 201422%0%
May 1784°F60°F100°F 191340°F 194523%0%
May 1884°F60°F102°F 201340°F 197623%0%
May 1985°F60°F100°F 199843°F 198323%0%
May 2085°F61°F101°F 199640°F 191123%0%
May 2185°F61°F99°F 193442°F 200123%0%
May 2286°F62°F101°F 193943°F 200123%0%
May 2386°F62°F106°F 200045°F 191723%0%
May 2486°F62°F107°F 200045°F 198323%0%
May 2587°F63°F101°F 201246°F 193023%0%
May 2687°F63°F101°F 201251°F 196623%0%
May 2787°F63°F98°F 200044°F 196123%0%
May 2888°F64°F106°F 201148°F 197623%0%
May 2988°F64°F107°F 201145°F 194723%0%
May 3088°F64°F103°F 191144°F 194723%0%
May 3188°F65°F107°F 199845°F 198423%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Olney, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

May 1
sunrise 6:47 AM, sunset 8:18 PM
May 31
sunrise 6:27 AM, sunset 8:39 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00416636 (Olney), public domain. Records: NOAA GHCN-Daily, station USC00413668, 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.