Waco weather in May: Waco, Texas: normal highs, lows, rain and records for May
Waco in May has a normal high of 85°F and a normal low of 63°F, a daily mean of 74°F, rising from 81°F on the 1st to 90°F by the 31st. Measurable precipitation falls on 8 days in a normal May, 4.44 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 17°C, 113 mm of precipitation in May.
- NOAA stationWaco Regional Airport
- Station IDUSW00013959
- Location31.62°N 97.23°W
- Elevation500 ft (152 m)
- From the center5 miles
- Population146,608
- Jan 59° 36°
- Feb 63° 40°
- Mar 70° 47°
- Apr 78° 55°
- May 85° 63°
- Jun 93° 71°
- Jul 97° 74°
- Aug 97° 74°
- Sep 91° 67°
- Oct 81° 56°
- Nov 69° 46°
- Dec 60° 38°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Waco in May?
The normal high is 85°F and the normal low 63°F, for a daily mean of 74.3°F. May is 8.1°F warmer than April and 7.6°F cooler than June. May is the 5th warmest month of the year in Waco and the wettest. Across the month the normal high rises 9°F, from 81°F on May 1 to 90°F on May 31. From one year to the next May's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Mays in three average between 72°F and 77°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 25%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 81°F | 59°F | 25% | 16% |
| May 8 | 83°F | 61°F | 25% | 16% |
| May 15 | 85°F | 63°F | 25% | 17% |
| May 22 | 87°F | 65°F | 25% | 17% |
| May 31 | 90°F | 68°F | 25% | 17% |
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 | 81°F | 59°F | 25% | 16% | 13 h 20 min |
| May 2 | 81°F | 59°F | 25% | 16% | 13 h 20 min |
| May 3 | 82°F | 59°F | 25% | 16% | 13 h 30 min |
| May 4 | 82°F | 59°F | 25% | 16% | 13 h 30 min |
| May 5 | 82°F | 60°F | 25% | 16% | 13 h 30 min |
| May 6 | 82°F | 60°F | 25% | 16% | 13 h 30 min |
| May 7 | 83°F | 60°F | 25% | 16% | 13 h 30 min |
| May 8 | 83°F | 61°F | 25% | 16% | 13 h 30 min |
| May 9 | 83°F | 61°F | 25% | 17% | 13 h 40 min |
| May 10 | 84°F | 61°F | 25% | 17% | 13 h 40 min |
| May 11 | 84°F | 62°F | 25% | 17% | 13 h 40 min |
| May 12 | 84°F | 62°F | 25% | 17% | 13 h 40 min |
| May 13 | 84°F | 62°F | 25% | 17% | 13 h 40 min |
| May 14 | 85°F | 63°F | 25% | 17% | 13 h 40 min |
| May 15 | 85°F | 63°F | 25% | 17% | 13 h 40 min |
| May 16 | 85°F | 63°F | 25% | 17% | 13 h 50 min |
| May 17 | 86°F | 64°F | 25% | 17% | 13 h 50 min |
| May 18 | 86°F | 64°F | 25% | 17% | 13 h 50 min |
| May 19 | 86°F | 64°F | 25% | 17% | 13 h 50 min |
| May 20 | 87°F | 65°F | 25% | 17% | 13 h 50 min |
| May 21 | 87°F | 65°F | 25% | 17% | 13 h 50 min |
| May 22 | 87°F | 65°F | 25% | 17% | 13 h 50 min |
| May 23 | 87°F | 66°F | 25% | 17% | 13 h 50 min |
| May 24 | 88°F | 66°F | 25% | 17% | 14 h |
| May 25 | 88°F | 66°F | 25% | 17% | 14 h |
| May 26 | 88°F | 67°F | 25% | 17% | 14 h |
| May 27 | 89°F | 67°F | 25% | 17% | 14 h |
| May 28 | 89°F | 67°F | 25% | 17% | 14 h |
| May 29 | 89°F | 67°F | 25% | 17% | 14 h |
| May 30 | 89°F | 68°F | 25% | 17% | 14 h |
| May 31 | 90°F | 68°F | 25% | 17% | 14 h |
- Normal high
- 85°FMay average
- Normal low
- 63°FMay average
- Precipitation
- 4.44 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 9
- 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
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013959; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Waco in May?
On a given May day the chance of 0.01 inch or more is 25% on average, highest around May 14 (25%). In all, 4.44 in falls on 8 days of a normal May, 2 of them with an inch or more.
In a normal May in Waco, 9 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013959.
How humid and windy is Waco in May?
At 3 p.m. the normal temperature is 88°F with 50% relative humidity and a dew point of 67°F; at 6 a.m. it is 70°F with 89% humidity. The wind averages 9.6 mph, most often from the south-southeast in the afternoon. A dew point of 65°F or more feels muggy to most people.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 70°F | 67°F | 89% | 7.8 mph | 49% |
| 9 a.m. | 78°F | 68°F | 71% | 9.8 mph | 55% |
| noon | 85°F | 67°F | 56% | 10.8 mph | 55% |
| 3 p.m. | 88°F | 67°F | 50% | 11.1 mph | 69% |
| 6 p.m. | 85°F | 66°F | 53% | 11.0 mph | 77% |
| 9 p.m. | 78°F | 67°F | 71% | 8.6 mph | 83% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013959. 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 Waco?
The warmest May temperature on Waco's official record (since 1901) is 102°F, on May 31, 1985; the coldest is 34°F, on May 4, 2013. The wettest May brought 15.28 in (2024).
The May mean against the 1991-2020 normal of 74.3°F: 2021 72.4°F (−1.9), 2022 79.5°F (+5.2), 2023 73.0°F (−1.3), 2024 76.5°F (+2.2), 2025 74.4°F (+0.1), 2026 74.3°F (at normal). 3 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 72.4°F | −1.9°F | 8.00 in |
| 2022 | 79.5°F | +5.2°F | 2.85 in |
| 2023 | 73.0°F | −1.3°F | 5.26 in |
| 2024 | 76.5°F | +2.2°F | 15.28 in |
| 2025 | 74.4°F | +0.1°F | 4.35 in |
| 2026 | 74.3°F | at normal | 6.12 in |
Source: records: ACIS, NWS threaded record ACTthr; recent months: ACIS, station USW00013959. Records and recent months use complete months only.
How does May in Waco 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; Waco's is 85°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.