Bexar County climate

Bexar County Weather in May

NOAA 1991-2020 normals for San Antonio Incarnate Word, 5.1 km from Bexar County

Average highs run from 83°F on May 1 to 89°F on May 31, and lows from 61°F to 70°F. Normal precipitation for the month is 4.38 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 Bexar County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
86°F
Average low
66°F
Precipitation
4.38 in
Record high
106°FMay 7, 2022
Record low
42°FMay 4, 2013
Chance of a freeze
0%
Days of 90°F or more
10.5
Daylight
13 h 19 min to 13 h 54 min
Cloud cover
61%
Humidity
69%
Dew point
64°F
Wind
10.3 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 183°F61°F99°F 200247°F 200523%0%
May 283°F61°F96°F 202146°F 200424%0%
May 383°F62°F98°F 202146°F 201324%0%
May 483°F62°F97°F 201242°F 201324%0%
May 583°F62°F96°F 201249°F 201324%0%
May 683°F63°F102°F 202250°F 201324%0%
May 784°F63°F106°F 202252°F 201324%0%
May 884°F63°F105°F 202255°F 200824%0%
May 984°F64°F101°F 202261°F 201824%0%
May 1084°F64°F101°F 202254°F 202024%0%
May 1184°F64°F100°F 202259°F 201924%0%
May 1285°F65°F101°F 202252°F 202524%0%
May 1385°F65°F104°F 202553°F 201323%0%
May 1485°F65°F102°F 202254°F 201423%0%
May 1585°F66°F102°F 202249°F 201423%0%
May 1686°F66°F103°F 202254°F 200623%0%
May 1786°F66°F105°F 202257°F 201423%0%
May 1886°F67°F106°F 202256°F 200823%0%
May 1986°F67°F102°F 202254°F 200923%0%
May 2087°F67°F102°F 202551°F 200223%0%
May 2187°F67°F106°F 202258°F 200223%0%
May 2287°F68°F100°F 202558°F 200123%0%
May 2387°F68°F99°F 200857°F 200123%0%
May 2488°F68°F101°F 202452°F 201723%0%
May 2588°F69°F102°F 201159°F 201723%0%
May 2688°F69°F100°F 201860°F 202223%0%
May 2788°F69°F103°F 201164°F 200723%0%
May 2889°F69°F102°F 201163°F 202623%0%
May 2989°F70°F100°F 201862°F 200323%0%
May 3089°F70°F100°F 201164°F 202323%0%
May 3189°F70°F102°F 201864°F 200323%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Bexar County, 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 6:52 AM, sunset 8:11 PM
May 31
sunrise 6:35 AM, sunset 8:29 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00417947 (San Antonio Incarnate Word), public domain. Records: NOAA GHCN-Daily, station USW00012970, 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.