Comal County climate

Comal County Weather in May

NOAA 1991-2020 normals for Canyon Dam, 9.9 km from Comal County

Average highs run from 81°F on May 1 to 89°F on May 31, and lows from 61°F to 69°F. Normal precipitation for the month is 4.46 in over about 10 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 Comal County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
85°F
Average low
65°F
Precipitation
4.46 in
Record high
101°FMay 14, 2025
Record low
40°FMay 4, 2013
Chance of a freeze
0%
Days of 90°F or more
7.5
Daylight
13 h 20 min to 13 h 56 min
Cloud cover
59%
Humidity
70%
Dew point
62°F
Wind
11.0 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 181°F61°F92°F 201148°F 201429%0%
May 282°F61°F94°F 201150°F 201129%0%
May 382°F61°F94°F 202044°F 201129%0%
May 482°F62°F95°F 202040°F 201329%0%
May 582°F62°F96°F 202047°F 201329%0%
May 682°F62°F93°F 201246°F 201329%0%
May 783°F63°F96°F 202248°F 201330%0%
May 883°F63°F97°F 202256°F 201330%0%
May 983°F63°F97°F 201158°F 201830%0%
May 1083°F64°F97°F 201153°F 202030%0%
May 1184°F64°F93°F 201155°F 201930%0%
May 1284°F64°F93°F 202249°F 202530%0%
May 1384°F65°F94°F 202251°F 201330%0%
May 1484°F65°F101°F 202551°F 201430%0%
May 1584°F65°F101°F 202544°F 201430%0%
May 1685°F65°F99°F 202552°F 201430%0%
May 1785°F66°F98°F 202554°F 201429%0%
May 1885°F66°F98°F 202256°F 201429%0%
May 1986°F66°F99°F 202260°F 202129%0%
May 2086°F67°F97°F 202258°F 202129%0%
May 2186°F67°F99°F 202560°F 202129%0%
May 2286°F67°F100°F 202260°F 201328%0%
May 2387°F67°F98°F 202562°F 201228%0%
May 2487°F68°F95°F 202453°F 201728%0%
May 2587°F68°F98°F 202457°F 201728%0%
May 2687°F68°F100°F 201156°F 202228%0%
May 2788°F68°F96°F 201861°F 202628%0%
May 2888°F69°F100°F 201159°F 202627%0%
May 2988°F69°F100°F 201163°F 201427%0%
May 3088°F69°F98°F 201161°F 202327%0%
May 3189°F69°F98°F 201161°F 201527%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Comal County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

May 1
sunrise 6:50 AM, sunset 8:10 PM
May 31
sunrise 6:33 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 USC00411429 (Canyon Dam), public domain. Records: NOAA GHCN-Daily, station USC00416273, 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.