Johnson climate

Johnson Weather in May

NOAA 1991-2020 normals for Johnson 2 N, 2.5 km from Johnson

Average highs run from 59°F on May 1 to 67°F on May 31, and lows from 37°F to 46°F. Normal precipitation for the month is 5.04 in.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Johnson, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
63°F
Average low
42°F
Precipitation
5.04 in
Snowfall
0.6 in
Record high
93°FMay 27, 2020
Record low
22°FMay 18, 2023
Chance of a freeze
78%
Daylight
14 h 15 min to 15 h 19 min
Cloud cover
70%
Humidity
81%
Dew point
46°F
Wind
4.7 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 159°F37°F83°F 200126°F 20225%
May 259°F37°F86°F 201028°F 20085%
May 360°F38°F86°F 200126°F 20075%
May 460°F38°F82°F 201525°F 20034%
May 560°F39°F79°F 201325°F 19974%
May 661°F39°F80°F 201327°F 20014%
May 761°F39°F84°F 200027°F 20073%
May 861°F40°F88°F 201525°F 20043%
May 962°F40°F86°F 201526°F 20263%
May 1062°F40°F79°F 200527°F 20163%
May 1162°F41°F84°F 202226°F 20102%
May 1263°F41°F88°F 202226°F 20052%
May 1363°F41°F87°F 202223°F 20052%
May 1463°F41°F88°F 202228°F 20072%
May 1564°F42°F82°F 199825°F 20132%
May 1664°F42°F84°F 199831°F 20002%
May 1764°F42°F86°F 201725°F 20231%
May 1864°F43°F88°F 201722°F 20231%
May 1964°F43°F85°F 202629°F 20091%
May 2065°F43°F89°F 202128°F 20001%
May 2165°F44°F90°F 202229°F 20171%
May 2265°F44°F85°F 202228°F 20021%
May 2365°F44°F82°F 201033°F 20231%
May 2466°F44°F87°F 200733°F 20211%
May 2566°F45°F88°F 200729°F 20021%
May 2666°F45°F89°F 201029°F 20091%
May 2766°F45°F93°F 202029°F 19970%
May 2866°F46°F87°F 201631°F 20210%
May 2967°F46°F85°F 199835°F 20080%
May 3067°F46°F88°F 201535°F 20010%
May 3167°F46°F90°F 201331°F 20040%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Johnson, in percent, and of at least 0.1 inch of snowfall.02461102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 5:41 AM, sunset 7:56 PM
May 31
sunrise 5:09 AM, sunset 8:28 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00434290 (Johnson 2 N), public domain. Records: NOAA GHCN-Daily, station USW00054771, 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.