San Angelo weather in May: San Angelo, Texas: normal highs, lows, rain and records for May
San Angelo in May has a normal high of 89°F and a normal low of 62°F, a daily mean of 76°F, rising from 85°F on the 1st to 92°F by the 31st. Measurable precipitation falls on 7 days in a normal May, 3.05 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 17°C, 77 mm of precipitation in May.
- NOAA stationSan Angelo Mathis Field Airport
- Station IDUSW00023034
- Location31.37°N 100.49°W
- Elevation1,890 ft (576 m)
- From the center5 miles
- Population100,159
- Jan 61° 34°
- Feb 65° 38°
- Mar 73° 46°
- Apr 82° 53°
- May 89° 62°
- Jun 94° 70°
- Jul 97° 72°
- Aug 97° 72°
- Sep 89° 65°
- Oct 81° 54°
- Nov 69° 43°
- Dec 62° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is San Angelo in May?
The normal high is 89°F and the normal low 62°F, for a daily mean of 75.5°F. May is 8.4°F warmer than April and 6.7°F cooler than June. May is the 5th warmest month of the year in San Angelo and the wettest. Across the month the normal high rises 7°F, from 85°F on May 1 to 92°F on May 31. From one year to the next May's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Mays in three average between 73°F and 79°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 22%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 85°F | 57°F | 18% | 10% |
| May 8 | 87°F | 59°F | 19% | 12% |
| May 15 | 89°F | 62°F | 20% | 14% |
| May 22 | 90°F | 65°F | 21% | 15% |
| May 31 | 92°F | 67°F | 21% | 15% |
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 | 85°F | 57°F | 18% | 10% | 13 h 20 min |
| May 2 | 85°F | 57°F | 18% | 10% | 13 h 20 min |
| May 3 | 86°F | 58°F | 18% | 11% | 13 h 30 min |
| May 4 | 86°F | 58°F | 18% | 11% | 13 h 30 min |
| May 5 | 86°F | 58°F | 18% | 11% | 13 h 30 min |
| May 6 | 86°F | 59°F | 19% | 11% | 13 h 30 min |
| May 7 | 87°F | 59°F | 19% | 12% | 13 h 30 min |
| May 8 | 87°F | 59°F | 19% | 12% | 13 h 30 min |
| May 9 | 87°F | 60°F | 19% | 12% | 13 h 40 min |
| May 10 | 87°F | 60°F | 20% | 13% | 13 h 40 min |
| May 11 | 87°F | 61°F | 20% | 13% | 13 h 40 min |
| May 12 | 88°F | 61°F | 20% | 13% | 13 h 40 min |
| May 13 | 88°F | 61°F | 20% | 13% | 13 h 40 min |
| May 14 | 88°F | 62°F | 20% | 13% | 13 h 40 min |
| May 15 | 89°F | 62°F | 20% | 14% | 13 h 40 min |
| May 16 | 89°F | 62°F | 20% | 14% | 13 h 40 min |
| May 17 | 89°F | 63°F | 21% | 14% | 13 h 50 min |
| May 18 | 89°F | 63°F | 21% | 14% | 13 h 50 min |
| May 19 | 90°F | 64°F | 21% | 14% | 13 h 50 min |
| May 20 | 90°F | 64°F | 21% | 14% | 13 h 50 min |
| May 21 | 90°F | 64°F | 21% | 15% | 13 h 50 min |
| May 22 | 90°F | 65°F | 21% | 15% | 13 h 50 min |
| May 23 | 91°F | 65°F | 21% | 15% | 13 h 50 min |
| May 24 | 91°F | 65°F | 22% | 15% | 13 h 50 min |
| May 25 | 91°F | 66°F | 22% | 15% | 14 h |
| May 26 | 91°F | 66°F | 22% | 15% | 14 h |
| May 27 | 91°F | 66°F | 22% | 15% | 14 h |
| May 28 | 92°F | 67°F | 22% | 15% | 14 h |
| May 29 | 92°F | 67°F | 22% | 15% | 14 h |
| May 30 | 92°F | 67°F | 22% | 15% | 14 h |
| May 31 | 92°F | 67°F | 21% | 15% | 14 h |
- Normal high
- 89°FMay average
- Normal low
- 62°FMay average
- Precipitation
- 3.05 inmonth total
- Days with precipitation
- 70.01 inch or more
- Days at 90°F or more
- 14
- Daylight
- 13 h 20 min to 14 hMay 1 to May 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 26
- Sunshine
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023034; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in San Angelo in May?
On a given May day the chance of 0.01 inch or more is 20% on average, highest around May 26 (22%). In all, 3.05 in falls on 7 days of a normal May, 1 of them with an inch or more.
In a normal May in San Angelo, 14 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023034.
How humid and windy is San Angelo in May?
At 3 p.m. the normal temperature is 90°F with 36% relative humidity and a dew point of 59°F; at 6 a.m. it is 68°F with 81% humidity. The wind averages 10.0 mph, most often from the south-southeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 68°F | 62°F | 81% | 7.4 mph | 64% |
| 9 a.m. | 77°F | 64°F | 65% | 11.1 mph | 69% |
| noon | 85°F | 62°F | 46% | 11.5 mph | 74% |
| 3 p.m. | 90°F | 59°F | 36% | 11.5 mph | 80% |
| 6 p.m. | 88°F | 59°F | 37% | 12.1 mph | 81% |
| 9 p.m. | 78°F | 60°F | 54% | 8.9 mph | 83% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023034. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for May in San Angelo?
The warmest May temperature on San Angelo's official record (since 1907) is 110°F, on May 28, 2011; the coldest is 35°F, on May 2, 1967. The wettest May brought 11.24 in (1987).
The May mean against the 1991-2020 normal of 75.5°F: 2021 72.7°F (−2.8), 2022 81.6°F (+6.1), 2023 76.4°F (+0.9), 2024 79.3°F (+3.8), 2025 74.3°F (−1.2), 2026 71.4°F (−4.1). 3 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 72.7°F | −2.8°F | 1.43 in |
| 2022 | 81.6°F | +6.1°F | 1.51 in |
| 2023 | 76.4°F | +0.9°F | 4.19 in |
| 2024 | 79.3°F | +3.8°F | 2.34 in |
| 2025 | 74.3°F | −1.2°F | 5.49 in |
| 2026 | 71.4°F | −4.1°F | 2.45 in |
Source: records: ACIS, NWS threaded record SJTthr; recent months: ACIS, station USW00023034. Records and recent months use complete months only.
How does May in San Angelo 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; San Angelo's is 89°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.