Greene County climate

Greene County Weather in May

NOAA 1991-2020 normals for Jefferson, 2.9 km from Greene County

Average highs run from 66°F on May 1 to 76°F on May 31, and lows from 42°F to 55°F. Normal precipitation for the month is 4.97 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 Greene County, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
71°F
Average low
49°F
Precipitation
4.97 in
Record high
105°FMay 30, 1934
Record low
20°FMay 4, 1907
Chance of a freeze
34%
Days of 90°F or more
0.7
Daylight
14 h 04 min to 15 h 01 min
Cloud cover
65%
Humidity
73%
Dew point
51°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 166°F42°F89°F 200725°F 190938%
May 266°F43°F90°F 198725°F 192538%
May 367°F43°F91°F 191825°F 200538%
May 467°F44°F95°F 191820°F 190738%
May 567°F44°F94°F 190924°F 196838%
May 668°F44°F99°F 193428°F 192538%
May 768°F45°F92°F 193420°F 193138%
May 868°F45°F96°F 193429°F 198038%
May 969°F46°F95°F 193426°F 194738%
May 1069°F46°F93°F 202229°F 196638%
May 1169°F47°F89°F 198726°F 192538%
May 1270°F47°F96°F 200029°F 192838%
May 1370°F48°F94°F 194029°F 199738%
May 1470°F48°F92°F 193232°F 199738%0%
May 1571°F48°F98°F 201331°F 192638%0%
May 1671°F49°F92°F 193930°F 192938%0%
May 1772°F49°F94°F 191734°F 193038%0%
May 1872°F50°F96°F 193433°F 191638%0%
May 1972°F50°F96°F 193431°F 192938%0%
May 2073°F51°F95°F 192530°F 190738%0%
May 2173°F51°F92°F 192529°F 193139%0%
May 2273°F51°F101°F 192531°F 193139%0%
May 2374°F52°F93°F 193932°F 196339%0%
May 2474°F52°F101°F 193935°F 193539%0%
May 2574°F53°F96°F 196728°F 192539%0%
May 2675°F53°F98°F 192635°F 192539%0%
May 2775°F53°F98°F 201834°F 190739%0%
May 2875°F54°F92°F 193431°F 194740%0%
May 2976°F54°F104°F 193430°F 194740%0%
May 3076°F55°F105°F 193436°F 193040%0%
May 3176°F55°F104°F 193437°F 193040%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Greene 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 6:13 AM, sunset 8:17 PM
May 31
sunrise 5:45 AM, sunset 8:46 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00134228 (Jefferson), public domain. Records: NOAA GHCN-Daily, station USC00136566, 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.