Baytown weather in May: Baytown, Texas: normal highs, lows, rain and records for May
Baytown in May has a normal high of 84°F and a normal low of 67°F, a daily mean of 75°F, rising from 81°F on the 1st to 88°F by the 31st. Measurable precipitation falls on 8 days in a normal May, 6.01 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 19°C, 153 mm of precipitation in May.
- NOAA stationBaytown
- Station IDUSC00410586
- Location29.91°N 94.99°W
- Elevation26 ft (8 m)
- Population86,004
- Jan 63° 41°
- Feb 66° 45°
- Mar 72° 52°
- Apr 78° 59°
- May 84° 67°
- Jun 89° 73°
- Jul 92° 75°
- Aug 92° 74°
- Sep 89° 69°
- Oct 82° 60°
- Nov 71° 50°
- Dec 65° 44°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Baytown in May?
The normal high is 84°F and the normal low 67°F, for a daily mean of 75.4°F. May is 7.4°F warmer than April and 5.5°F cooler than June. May is the 5th warmest month of the year in Baytown and the 5th wettest. Across the month the normal high rises 7°F, from 81°F on May 1 to 88°F on May 31. From one year to the next May's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Mays in three average between 74°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 29%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 81°F | 62°F | 23% | 15% |
| May 8 | 82°F | 65°F | 24% | 16% |
| May 15 | 84°F | 67°F | 25% | 17% |
| May 22 | 86°F | 69°F | 26% | 18% |
| May 31 | 88°F | 71°F | 29% | 21% |
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 | 62°F | 23% | 15% | 13 h 20 min |
| May 2 | 81°F | 63°F | 23% | 15% | 13 h 20 min |
| May 3 | 81°F | 63°F | 23% | 15% | 13 h 20 min |
| May 4 | 81°F | 63°F | 23% | 15% | 13 h 20 min |
| May 5 | 82°F | 64°F | 23% | 15% | 13 h 20 min |
| May 6 | 82°F | 64°F | 23% | 15% | 13 h 30 min |
| May 7 | 82°F | 64°F | 23% | 15% | 13 h 30 min |
| May 8 | 82°F | 65°F | 24% | 16% | 13 h 30 min |
| May 9 | 83°F | 65°F | 24% | 16% | 13 h 30 min |
| May 10 | 83°F | 65°F | 24% | 16% | 13 h 30 min |
| May 11 | 83°F | 65°F | 24% | 16% | 13 h 30 min |
| May 12 | 83°F | 66°F | 24% | 16% | 13 h 30 min |
| May 13 | 84°F | 66°F | 24% | 16% | 13 h 40 min |
| May 14 | 84°F | 66°F | 24% | 17% | 13 h 40 min |
| May 15 | 84°F | 67°F | 25% | 17% | 13 h 40 min |
| May 16 | 84°F | 67°F | 25% | 17% | 13 h 40 min |
| May 17 | 85°F | 67°F | 25% | 17% | 13 h 40 min |
| May 18 | 85°F | 67°F | 25% | 17% | 13 h 40 min |
| May 19 | 85°F | 68°F | 25% | 17% | 13 h 40 min |
| May 20 | 85°F | 68°F | 25% | 18% | 13 h 40 min |
| May 21 | 86°F | 68°F | 26% | 18% | 13 h 50 min |
| May 22 | 86°F | 69°F | 26% | 18% | 13 h 50 min |
| May 23 | 86°F | 69°F | 26% | 19% | 13 h 50 min |
| May 24 | 86°F | 69°F | 27% | 19% | 13 h 50 min |
| May 25 | 86°F | 69°F | 27% | 19% | 13 h 50 min |
| May 26 | 87°F | 69°F | 27% | 20% | 13 h 50 min |
| May 27 | 87°F | 70°F | 28% | 20% | 13 h 50 min |
| May 28 | 87°F | 70°F | 28% | 20% | 13 h 50 min |
| May 29 | 87°F | 70°F | 28% | 21% | 13 h 50 min |
| May 30 | 87°F | 70°F | 29% | 21% | 13 h 50 min |
| May 31 | 88°F | 71°F | 29% | 21% | 13 h 50 min |
- Normal high
- 84°FMay average
- Normal low
- 67°FMay average
- Precipitation
- 6.01 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 3
- Daylight
- 13 h 20 min to 13 h 50 minMay 1 to May 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 27
- Sunshine
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00410586; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Baytown in May?
On a given May day the chance of 0.01 inch or more is 25% on average, highest around May 31 (29%). In all, 6.01 in falls on 8 days of a normal May, 2 of them with an inch or more.
In a normal May in Baytown, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00410586.
What are the records for May in Baytown?
The warmest May temperature on this station's record (since 1983) is 96°F, on May 31, 1998; the coldest is 43°F, on May 4, 2013. The wettest May brought 16.13 in (2015).
The May mean against the 1991-2020 normal of 75.4°F: 2022 78.6°F (+3.2), 2023 75.9°F (+0.5), 2024 78.5°F (+3.0), 2025 76.8°F (+1.4), 2026 74.7°F (−0.7). 4 of 5 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2022 | 78.6°F | +3.2°F | 3.10 in |
| 2023 | 75.9°F | +0.5°F | 5.34 in |
| 2024 | 78.5°F | +3.0°F | 13.35 in |
| 2025 | 76.8°F | +1.4°F | 6.56 in |
| 2026 | 74.7°F | −0.7°F | 8.70 in |
Source: records: ACIS, station USC00410586; recent months: ACIS, station USC00410586. Records and recent months use complete months only.
How does May in Baytown 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; Baytown's is 84°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.