Climate averages 1991–2020
Corpus Christi weather
in May.
A hot, moderately wet month: the 5th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Corpus Christi: daytime highs average 29.4°C and nights cool to about 22.5°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 71 mm of rain on roughly 9 days, which makes May a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 30 min on an average May day.
The nearest other city in this atlas is Edinburg (183 km away). In May its highs average 33.0°C, 3.7°C warmer than Corpus Christi, with 55 mm of rain.
Among the 498 cities listed in the United States, Corpus Christi ranks joint 42nd of 498 for the warmest May highs and 189th of 498 for the driest May (rainfall, lowest first). The mean May high of those 498 cities is 23.8°C; Corpus Christi is 5.6°C warmer than that mean.
From May to June, average highs rise by 2.2°C to 31.6°C, and monthly rainfall rises from 71 mm to 73 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Corpus Christi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.9°C10.6°C | 10.6°C | 48 | 6.9 | 10.611 h |
| February | 20.8°C12.5°C | 12.5°C | 38 | 6.2 | 11.211 h |
| March | 23.4°C15.5°C | 15.5°C | 59 | 6.8 | 12.012 h |
| April | 26.5°C18.8°C | 18.8°C | 52 | 7.0 | 12.813 h |
| May, selected | 29.4°C22.5°C | 22.5°C | 71 | 9.0 | 13.514 h |
| June | 31.6°C25.0°C | 25.0°C | 73 | 9.5 | 13.914 h |
| July | 32.4°C25.7°C | 25.7°C | 58 | 7.8 | 13.714 h |
| August | 33.1°C25.8°C | 25.8°C | 59 | 9.1 | 13.113 h |
| September | 30.7°C23.8°C | 23.8°C | 113 | 13.5 | 12.312 h |
| October | 27.7°C20.0°C | 20.0°C | 82 | 9.3 | 11.512 h |
| November | 23.1°C15.3°C | 15.3°C | 53 | 7.0 | 10.811 h |
| December | 19.8°C11.7°C | 11.7°C | 51 | 7.2 | 10.410 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Edinburg in MayUnited States · 183 kmHigh 33.0°C · Low 23.1°C · 55 mm rain
- McAllen in MayUnited States · 196 kmHigh 33.0°C · Low 23.1°C · 55 mm rain
- Mission in MayUnited States · 199 kmHigh 33.2°C · Low 23.0°C · 55 mm rain
- San Antonio in MayUnited States · 210 kmHigh 29.9°C · Low 19.9°C · 103 mm rain
- Reynosa in MayMexico · 211 kmHigh 33.2°C · Low 23.2°C · 49 mm rain
- Nuevo Laredo in MayMexico · 212 kmHigh 34.0°C · Low 22.6°C · 63 mm rain
- Ciudad Río Bravo in MayMexico · 213 kmHigh 32.7°C · Low 23.2°C · 47 mm rain
- Heroica Matamoros in MayMexico · 214 kmHigh 30.1°C · Low 23.6°C · 45 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Corpus Christi) is explained once on the Corpus Christi year overview and on the Sources, method and limits page.