Robstown Weather in May
Average highs run from 86°F on May 1 to 91°F on May 31, and lows from 67°F to 73°F. Normal precipitation for the month is 3.31 in over about 5 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
- 88°F
- Average low
- 70°F
- Precipitation
- 3.31 in
- Record high
- 104°FMay 4, 1984
- Record low
- 43°FMay 5, 1997
- Chance of a freeze
- 0%
- Days of 90°F or more
- 10.7
- Daylight
- 13 h 14 min to 13 h 47 min
- Cloud cover
- 58%
- Humidity
- 74%
- Dew point
- 69°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 | 86°F | 67°F | 96°F 1954 | 53°F 2005 | 17% | 0% |
| May 2 | 86°F | 67°F | 99°F 1964 | 52°F 1976 | 17% | 0% |
| May 3 | 86°F | 68°F | 97°F 1964 | 52°F 1970 | 17% | 0% |
| May 4 | 86°F | 68°F | 104°F 1984 | 46°F 1954 | 16% | 0% |
| May 5 | 86°F | 68°F | 103°F 1999 | 43°F 1997 | 16% | 0% |
| May 6 | 86°F | 68°F | 98°F 2003 | 54°F 1970 | 16% | 0% |
| May 7 | 87°F | 68°F | 95°F 1984 | 51°F 1979 | 16% | 0% |
| May 8 | 87°F | 69°F | 96°F 1984 | 55°F 1960 | 16% | 0% |
| May 9 | 87°F | 69°F | 101°F 1967 | 53°F 1984 | 16% | 0% |
| May 10 | 87°F | 69°F | 100°F 1998 | 56°F 1961 | 16% | 0% |
| May 11 | 87°F | 69°F | 97°F 1971 | 56°F 1961 | 16% | 0% |
| May 12 | 87°F | 69°F | 93°F 1967 | 55°F 1960 | 17% | 0% |
| May 13 | 88°F | 70°F | 95°F 1967 | 51°F 1971 | 17% | 0% |
| May 14 | 88°F | 70°F | 95°F 1980 | 57°F 1979 | 17% | 0% |
| May 15 | 88°F | 70°F | 93°F 1959 | 58°F 1979 | 17% | 0% |
| May 16 | 88°F | 70°F | 93°F 1961 | 55°F 1973 | 17% | 0% |
| May 17 | 88°F | 70°F | 96°F 1989 | 56°F 1970 | 17% | 0% |
| May 18 | 89°F | 71°F | 95°F 1989 | 58°F 1970 | 17% | 0% |
| May 19 | 89°F | 71°F | 97°F 1989 | 60°F 2002 | 16% | 0% |
| May 20 | 89°F | 71°F | 98°F 1955 | 59°F 2002 | 16% | 0% |
| May 21 | 89°F | 71°F | 95°F 1955 | 59°F 2009 | 16% | 0% |
| May 22 | 90°F | 71°F | 98°F 1955 | 58°F 1967 | 16% | 0% |
| May 23 | 90°F | 72°F | 95°F 1989 | 58°F 1967 | 16% | 0% |
| May 24 | 90°F | 72°F | 99°F 1988 | 60°F 1967 | 16% | 0% |
| May 25 | 90°F | 72°F | 97°F 1955 | 64°F 1993 | 16% | 0% |
| May 26 | 90°F | 72°F | 96°F 1954 | 59°F 2009 | 16% | 0% |
| May 27 | 91°F | 72°F | 102°F 1955 | 59°F 2009 | 16% | 0% |
| May 28 | 91°F | 72°F | 100°F 1973 | 59°F 2009 | 16% | 0% |
| May 29 | 91°F | 73°F | 97°F 1988 | 62°F 1976 | 16% | 0% |
| May 30 | 91°F | 73°F | 95°F 1979 | 59°F 1984 | 17% | 0% |
| May 31 | 91°F | 73°F | 98°F 1962 | 57°F 1984 | 17% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- May 1
- sunrise 6:51 AM, sunset 8:05 PM
- May 31
- sunrise 6:35 AM, sunset 8:22 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00417677 (Robstown), public domain. Records: NOAA GHCN-Daily, station USC00417677, 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.