Rockport weather in May: Rockport, Texas: normal highs, lows, rain and records for May
Rockport in May has a normal high of 85°F and a normal low of 73°F, a daily mean of 79°F, rising from 82°F on the 1st to 88°F by the 31st. Measurable precipitation falls on 5 days in a normal May, 3.20 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 23°C, 81 mm of precipitation in May.
- NOAA stationRockport Aransas County Airport
- Station IDUSW00012972
- Location28.08°N 97.05°W
- Elevation22 ft (7 m)
- From the center2 miles
- Population11,069
- Jan 65° 49°
- Feb 69° 54°
- Mar 74° 60°
- Apr 80° 66°
- May 85° 73°
- Jun 90° 78°
- Jul 91° 79°
- Aug 92° 79°
- Sep 89° 75°
- Oct 84° 68°
- Nov 75° 58°
- Dec 68° 51°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Rockport in May?
The normal high is 85°F and the normal low 73°F, for a daily mean of 79.2°F. May is 6.2°F warmer than April and 5.0°F cooler than June. May is the 5th warmest month of the year in Rockport and the 3rd wettest. Across the month the normal high rises 6°F, from 82°F on May 1 to 88°F on May 31. From one year to the next May's mean temperature typically moves about 1.5°F either way (NOAA's standard deviation), so roughly two Mays in three average between 78°F and 81°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 18%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 82°F | 70°F | 15% | 7% |
| May 8 | 83°F | 71°F | 15% | 8% |
| May 15 | 85°F | 73°F | 16% | 10% |
| May 22 | 86°F | 75°F | 16% | 10% |
| May 31 | 88°F | 77°F | 18% | 11% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 82°F | 70°F | 15% | 7% | 13 h 10 min |
| May 2 | 82°F | 70°F | 15% | 7% | 13 h 10 min |
| May 3 | 82°F | 70°F | 15% | 8% | 13 h 20 min |
| May 4 | 83°F | 71°F | 15% | 8% | 13 h 20 min |
| May 5 | 83°F | 71°F | 15% | 8% | 13 h 20 min |
| May 6 | 83°F | 71°F | 15% | 8% | 13 h 20 min |
| May 7 | 83°F | 71°F | 15% | 8% | 13 h 20 min |
| May 8 | 83°F | 71°F | 15% | 8% | 13 h 20 min |
| May 9 | 84°F | 72°F | 15% | 9% | 13 h 20 min |
| May 10 | 84°F | 72°F | 15% | 9% | 13 h 30 min |
| May 11 | 84°F | 72°F | 15% | 9% | 13 h 30 min |
| May 12 | 84°F | 72°F | 16% | 9% | 13 h 30 min |
| May 13 | 84°F | 73°F | 16% | 9% | 13 h 30 min |
| May 14 | 85°F | 73°F | 16% | 10% | 13 h 30 min |
| May 15 | 85°F | 73°F | 16% | 10% | 13 h 30 min |
| May 16 | 85°F | 73°F | 16% | 10% | 13 h 30 min |
| May 17 | 85°F | 74°F | 16% | 10% | 13 h 30 min |
| May 18 | 86°F | 74°F | 16% | 10% | 13 h 30 min |
| May 19 | 86°F | 74°F | 16% | 10% | 13 h 40 min |
| May 20 | 86°F | 74°F | 16% | 10% | 13 h 40 min |
| May 21 | 86°F | 75°F | 16% | 10% | 13 h 40 min |
| May 22 | 86°F | 75°F | 16% | 10% | 13 h 40 min |
| May 23 | 87°F | 75°F | 16% | 10% | 13 h 40 min |
| May 24 | 87°F | 75°F | 16% | 10% | 13 h 40 min |
| May 25 | 87°F | 75°F | 17% | 10% | 13 h 40 min |
| May 26 | 87°F | 76°F | 17% | 10% | 13 h 40 min |
| May 27 | 88°F | 76°F | 17% | 11% | 13 h 40 min |
| May 28 | 88°F | 76°F | 17% | 11% | 13 h 40 min |
| May 29 | 88°F | 76°F | 17% | 11% | 13 h 50 min |
| May 30 | 88°F | 76°F | 18% | 11% | 13 h 50 min |
| May 31 | 88°F | 77°F | 18% | 11% | 13 h 50 min |
- Normal high
- 85°FMay average
- Normal low
- 73°FMay average
- Precipitation
- 3.20 inmonth total
- Days with precipitation
- 50.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 13 h 10 min to 13 h 50 minMay 1 to May 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 30
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00012972; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Rockport in May?
On a given May day the chance of 0.01 inch or more is 16% on average, highest around May 31 (18%). In all, 3.20 in falls on 5 days of a normal May, 1 of them with an inch or more.
In a normal May in Rockport, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012972.
What are the records for May in Rockport?
The May mean against the 1991-2020 normal of 79.2°F: 2021 77.6°F (−1.6), 2022 83.0°F (+3.8), 2023 79.0°F (−0.2), 2025 80.7°F (+1.5), 2026 77.5°F (−1.8). 2 of 5 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 77.6°F | −1.6°F | 10.84 in |
| 2022 | 83.0°F | +3.8°F | 0.47 in |
| 2023 | 79.0°F | −0.2°F | 3.99 in |
| 2025 | 80.7°F | +1.5°F | 5.13 in |
| 2026 | 77.5°F | −1.8°F | 9.78 in |
Source: recent months: ACIS, station USW00012972. Records and recent months use complete months only.
How does May in Rockport compare across Texas?
Across the 321 places PlainClimate covers in Texas, May normal highs run from 78°F in Hartley to 98°F in Terlingua; Rockport's is 85°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.