Conroe weather in May: Conroe, Texas: normal highs, lows, rain and records for May
Conroe in May has a normal high of 86°F and a normal low of 64°F, a daily mean of 75°F, rising from 82°F on the 1st to 90°F by the 31st. Measurable precipitation falls on 9 days in a normal May, 4.79 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 18°C, 122 mm of precipitation in May.
- NOAA stationConroe Montgomery County Airport
- Station IDUSW00053902
- Location30.36°N 95.41°W
- Elevation245 ft (75 m)
- Population114,581
- Jan 62° 39°
- Feb 66° 43°
- Mar 73° 49°
- Apr 79° 55°
- May 86° 64°
- Jun 91° 70°
- Jul 94° 72°
- Aug 95° 72°
- Sep 90° 66°
- Oct 82° 56°
- Nov 71° 47°
- Dec 64° 41°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Conroe in May?
The normal high is 86°F and the normal low 64°F, for a daily mean of 74.8°F. May is 7.8°F warmer than April and 5.8°F cooler than June. May is the 5th warmest month of the year in Conroe and the 3rd wettest. Across the month the normal high rises 8°F, from 82°F on May 1 to 90°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 73°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 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 82°F | 59°F | 30% | 16% |
| May 8 | 84°F | 61°F | 30% | 17% |
| May 15 | 86°F | 64°F | 31% | 17% |
| May 22 | 88°F | 66°F | 31% | 18% |
| May 31 | 90°F | 68°F | 32% | 19% |
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 | 59°F | 30% | 16% | 13 h 20 min |
| May 2 | 82°F | 60°F | 30% | 16% | 13 h 20 min |
| May 3 | 82°F | 60°F | 30% | 16% | 13 h 20 min |
| May 4 | 83°F | 60°F | 30% | 16% | 13 h 20 min |
| May 5 | 83°F | 60°F | 30% | 16% | 13 h 30 min |
| May 6 | 83°F | 61°F | 30% | 16% | 13 h 30 min |
| May 7 | 83°F | 61°F | 30% | 16% | 13 h 30 min |
| May 8 | 84°F | 61°F | 30% | 17% | 13 h 30 min |
| May 9 | 84°F | 62°F | 30% | 17% | 13 h 30 min |
| May 10 | 84°F | 62°F | 31% | 17% | 13 h 30 min |
| May 11 | 85°F | 62°F | 31% | 17% | 13 h 30 min |
| May 12 | 85°F | 63°F | 31% | 17% | 13 h 40 min |
| May 13 | 85°F | 63°F | 31% | 17% | 13 h 40 min |
| May 14 | 85°F | 63°F | 31% | 17% | 13 h 40 min |
| May 15 | 86°F | 64°F | 31% | 17% | 13 h 40 min |
| May 16 | 86°F | 64°F | 31% | 17% | 13 h 40 min |
| May 17 | 86°F | 64°F | 31% | 17% | 13 h 40 min |
| May 18 | 87°F | 64°F | 31% | 17% | 13 h 40 min |
| May 19 | 87°F | 65°F | 31% | 18% | 13 h 40 min |
| May 20 | 87°F | 65°F | 31% | 18% | 13 h 50 min |
| May 21 | 87°F | 65°F | 31% | 18% | 13 h 50 min |
| May 22 | 88°F | 66°F | 31% | 18% | 13 h 50 min |
| May 23 | 88°F | 66°F | 31% | 18% | 13 h 50 min |
| May 24 | 88°F | 66°F | 31% | 18% | 13 h 50 min |
| May 25 | 88°F | 66°F | 31% | 18% | 13 h 50 min |
| May 26 | 89°F | 67°F | 31% | 18% | 13 h 50 min |
| May 27 | 89°F | 67°F | 31% | 19% | 13 h 50 min |
| May 28 | 89°F | 67°F | 31% | 19% | 13 h 50 min |
| May 29 | 89°F | 67°F | 31% | 19% | 14 h |
| May 30 | 90°F | 68°F | 31% | 19% | 14 h |
| May 31 | 90°F | 68°F | 32% | 19% | 14 h |
- Normal high
- 86°FMay average
- Normal low
- 64°FMay average
- Precipitation
- 4.79 inmonth total
- Days with precipitation
- 90.01 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
- 31
- Days at 80°F or more
- 28
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00053902; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Conroe in May?
On a given May day the chance of 0.01 inch or more is 31% on average, highest around May 31 (32%). In all, 4.79 in falls on 9 days of a normal May, 1 of them with an inch or more.
In a normal May in Conroe, 9 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053902.
What are the records for May in Conroe?
The warmest May temperature on this station's record (since 1997) is 98°F, on May 31, 1998; the coldest is 35°F, on May 4, 2013. The wettest May brought 14.77 in (2024).
The May mean against the 1991-2020 normal of 74.8°F: 2021 74.9°F (+0.1), 2022 78.7°F (+3.9), 2023 74.7°F (−0.1), 2024 77.7°F (+2.9), 2025 77.8°F (+3.0), 2026 74.9°F (+0.1). 5 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 74.9°F | +0.1°F | 11.16 in |
| 2022 | 78.7°F | +3.9°F | 5.97 in |
| 2023 | 74.7°F | −0.1°F | 6.57 in |
| 2024 | 77.7°F | +2.9°F | 14.77 in |
| 2025 | 77.8°F | +3.0°F | 7.81 in |
| 2026 | 74.9°F | +0.1°F | 5.99 in |
Source: records: ACIS, station USW00053902; recent months: ACIS, station USW00053902. Records and recent months use complete months only.
How does May in Conroe 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; Conroe's is 86°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.