Frio County climate

Frio County Weather in May

NOAA 1991-2020 normals for Dilley, 22.1 km from Frio County

Average highs run from 87°F on May 1 to 93°F on May 31, and lows from 63°F to 70°F. Normal precipitation for the month is 4.02 in over about 6 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 Frio County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
90°F
Average low
67°F
Precipitation
4.02 in
Record high
112°FMay 14, 2025
Record low
44°FMay 3, 2011
Chance of a freeze
0%
Days of 90°F or more
16.6
Daylight
13 h 17 min to 13 h 51 min
Cloud cover
61%
Humidity
67%
Dew point
65°F
Wind
10.5 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 187°F63°F109°F 200249°F 200515%0%
May 288°F64°F105°F 200248°F 200416%0%
May 388°F64°F108°F 202144°F 201116%0%
May 488°F64°F104°F 195045°F 201316%0%
May 588°F64°F103°F 197150°F 197016%0%
May 688°F65°F105°F 200951°F 195316%0%
May 788°F65°F107°F 202257°F 201316%0%
May 889°F65°F106°F 196756°F 200816%0%
May 989°F66°F103°F 196756°F 197316%0%
May 1089°F66°F109°F 200656°F 196917%0%
May 1189°F66°F103°F 196759°F 195217%0%
May 1289°F66°F107°F 196750°F 195217%0%
May 1390°F67°F110°F 202555°F 195317%0%
May 1490°F67°F112°F 202552°F 195317%0%
May 1590°F67°F104°F 200350°F 201417%0%
May 1690°F67°F107°F 201350°F 197317%0%
May 1790°F68°F107°F 202255°F 197017%0%
May 1891°F68°F106°F 202257°F 196817%0%
May 1991°F68°F107°F 202555°F 200917%0%
May 2091°F68°F106°F 197354°F 195217%0%
May 2191°F69°F106°F 202255°F 197817%0%
May 2291°F69°F105°F 202457°F 196717%0%
May 2392°F69°F107°F 202455°F 196717%0%
May 2492°F69°F108°F 202456°F 201717%0%
May 2592°F69°F106°F 201162°F 196717%0%
May 2692°F70°F105°F 197362°F 197217%0%
May 2793°F70°F107°F 201163°F 197617%0%
May 2893°F70°F107°F 201162°F 197617%0%
May 2993°F70°F103°F 201163°F 197317%0%
May 3093°F70°F104°F 197963°F 197317%0%
May 3193°F70°F106°F 200460°F 197517%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Frio County, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

May 1
sunrise 6:55 AM, sunset 8:12 PM
May 31
sunrise 6:39 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 USC00412458 (Dilley), public domain. Records: NOAA GHCN-Daily, station USW00012947, 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.