Johnson City climate

Johnson City Weather in May

NOAA 1991-2020 normals for Johnson City 2N, 2.6 km from Johnson City

Average highs run from 82°F on May 1 to 90°F on May 31, and lows from 58°F to 67°F. Normal precipitation for the month is 4.03 in over about 8 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 Johnson City, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
86°F
Average low
63°F
Precipitation
4.03 in
Record high
104°FMay 26, 2011
Record low
36°FMay 4, 2011
Chance of a freeze
0%
Days of 90°F or more
9.4
Daylight
13 h 22 min to 13 h 57 min
Cloud cover
59%
Humidity
69%
Dew point
61°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 182°F58°F94°F 201437°F 199622%0%
May 283°F58°F94°F 199840°F 197022%0%
May 383°F58°F95°F 198438°F 197022%0%
May 483°F59°F94°F 201736°F 201122%0%
May 583°F59°F99°F 198439°F 201122%0%
May 684°F60°F102°F 198444°F 199122%0%
May 784°F60°F102°F 202239°F 199222%0%
May 884°F60°F102°F 199844°F 199923%0%
May 984°F61°F101°F 196737°F 198423%0%
May 1084°F61°F100°F 200844°F 196923%0%
May 1185°F62°F100°F 200836°F 198123%0%
May 1285°F62°F98°F 196738°F 198123%0%
May 1385°F62°F100°F 199246°F 197123%0%
May 1486°F63°F99°F 202245°F 197123%0%
May 1586°F63°F98°F 202244°F 201123%0%
May 1686°F63°F99°F 202242°F 201423%0%
May 1786°F64°F100°F 200345°F 197023%0%
May 1887°F64°F99°F 202246°F 200923%0%
May 1987°F64°F97°F 202243°F 200224%0%
May 2087°F65°F96°F 198944°F 200224%0%
May 2187°F65°F100°F 200847°F 200224%0%
May 2288°F65°F98°F 199647°F 200124%0%
May 2388°F66°F98°F 199848°F 196724%0%
May 2488°F66°F98°F 199648°F 201724%0%
May 2589°F66°F97°F 200051°F 197124%0%
May 2689°F66°F104°F 201158°F 196624%0%
May 2789°F67°F98°F 202255°F 200324%0%
May 2889°F67°F100°F 201152°F 197324%0%
May 2990°F67°F101°F 201155°F 198424%0%
May 3090°F67°F99°F 199846°F 198424%0%
May 3190°F67°F98°F 198551°F 198424%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Johnson City, 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 6:50 AM, sunset 8:12 PM
May 31
sunrise 6:33 AM, sunset 8:30 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00414605 (Johnson City 2N), public domain. Records: NOAA GHCN-Daily, station USC00414605, 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.