Webb County Weather in May
Average highs run from 89°F on May 1 to 97°F on May 31, and lows from 62°F to 70°F. Normal precipitation for the month is 2.63 in over about 4 wet days.
May day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 92°F
- Average low
- 66°F
- Precipitation
- 2.63 in
- Record high
- 109°FMay 9, 2024
- Record low
- 47°FMay 3, 1970
- Chance of a freeze
- 0%
- Days of 90°F or more
- 22.5
- Daylight
- 13 h 14 min to 13 h 46 min
- Cloud cover
- 55%
- Humidity
- 61%
- Dew point
- 64°F
- Wind
- 11.6 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.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| May 1 | 89°F | 62°F | 100°F 2019 | 59°F 2015 | 11% | 0% |
| May 2 | 89°F | 63°F | 102°F 2021 | 57°F 2026 | 11% | 0% |
| May 3 | 89°F | 63°F | 107°F 2021 | 47°F 1970 | 11% | 0% |
| May 4 | 89°F | 63°F | 102°F 2020 | 53°F 2013 | 11% | 0% |
| May 5 | 89°F | 63°F | 101°F 2026 | 55°F 1970 | 11% | 0% |
| May 6 | 90°F | 64°F | 103°F 2014 | 57°F 1970 | 11% | 0% |
| May 7 | 90°F | 64°F | 107°F 2022 | 61°F 1970 | 12% | 0% |
| May 8 | 90°F | 64°F | 107°F 2024 | 61°F 1966 | 12% | 0% |
| May 9 | 90°F | 65°F | 109°F 2024 | 61°F 2020 | 12% | 0% |
| May 10 | 91°F | 65°F | 106°F 1967 | 62°F 2019 | 12% | 0% |
| May 11 | 91°F | 65°F | 100°F 1967 | 62°F 2019 | 12% | 0% |
| May 12 | 91°F | 65°F | 106°F 1967 | 61°F 2025 | 12% | 0% |
| May 13 | 91°F | 66°F | 105°F 2025 | 61°F 2014 | 12% | 0% |
| May 14 | 92°F | 66°F | 104°F 2025 | 59°F 2014 | 12% | 0% |
| May 15 | 92°F | 66°F | 103°F 2022 | 56°F 2014 | 13% | 0% |
| May 16 | 92°F | 66°F | 105°F 2022 | 56°F 1967 | 13% | 0% |
| May 17 | 93°F | 67°F | 105°F 2022 | 58°F 1970 | 13% | 0% |
| May 18 | 93°F | 67°F | 104°F 2018 | 60°F 1968 | 13% | 0% |
| May 19 | 93°F | 67°F | 105°F 2025 | 66°F 1970 | 13% | 0% |
| May 20 | 94°F | 67°F | 106°F 2022 | 62°F 2021 | 13% | 0% |
| May 21 | 94°F | 68°F | 105°F 2022 | 67°F 1967 | 13% | 0% |
| May 22 | 94°F | 68°F | 107°F 2024 | 59°F 1967 | 13% | 0% |
| May 23 | 94°F | 68°F | 107°F 2024 | 60°F 1967 | 13% | 0% |
| May 24 | 95°F | 68°F | 108°F 2024 | 62°F 2017 | 13% | 0% |
| May 25 | 95°F | 69°F | 108°F 2024 | 65°F 2020 | 12% | 0% |
| May 26 | 95°F | 69°F | 105°F 2018 | 67°F 1970 | 12% | 0% |
| May 27 | 96°F | 69°F | 108°F 2024 | 65°F 1970 | 12% | 0% |
| May 28 | 96°F | 69°F | 104°F 2018 | 66°F 1970 | 12% | 0% |
| May 29 | 96°F | 69°F | 104°F 2018 | 65°F 2015 | 12% | 0% |
| May 30 | 96°F | 70°F | 105°F 2012 | 67°F 1970 | 12% | 0% |
| May 31 | 97°F | 70°F | 105°F 2012 | 65°F 2015 | 12% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- May 1
- sunrise 6:58 AM, sunset 8:12 PM
- May 31
- sunrise 6:42 AM, sunset 8:28 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00412906 (Encinal), public domain. Records: NOAA GHCN-Daily, station USW00012907, 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.