Sugar Land, TX weather in May
May in Sugar Land: warm and oppressively humid, with some rain. Highs 87°F, lows 69°F, about 8 wet days.
- Normal high
- 87°F
- Normal low
- 69°F
- Wet days
- 8
- 5.1 in total
- Muggy days
- 23
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 83°F | 90°F |
| Normal low | 64°F | 72°F |
| Chance of a wet day | 24% | 29% |
| Sunrise / sunset | 6:40 am / 7:59 pm | 6:22 am / 8:17 pm |
| Daylight | 13.3 h | 13.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical May day
- 6 am70°Fdew point 66°F
- 9 am77°Fdew point 67°F
- Noon83°Fdew point 66°F
- 3 pm84°Fdew point 66°F
- 6 pm81°Fdew point 66°F
- 9 pm75°Fdew point 67°F
NOAA hourly normals (local standard time) from Houston Intercont Airport (30 mi away); average wind 8 mph; clear or few clouds in 18% of daytime hours, mostly cloudy or overcast in 58%.
What kind of days to expect
- Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)3 of 31
- Hot dayshigh 90°F or more10 of 31
- Muggy daysdaily mean dew point 65°F or more23 of 31
- Wet daysat least 0.01 in of rain or melted snow8 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 5.1 in; a dry May brings about 2.2 in and a wet one about 7.1 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.
How May varies from year to year
- Warmest May, 1991-20202018: average high 92°F
- Coolest May2004: average high 84°F
- Wettest May2015: 18.7 in
- Driest May2003: 0.2 in
- Highest reading98°F (May 17, 2018)
- Lowest reading42°F (May 4, 2013)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 80°F | 87°F | 92°F |
| Normal low | 60°F | 69°F | 74°F |
| Wet days | 8 | 8 | 11 |
| Comfortable days | 13 | 3 | 0 |
| Daylight | 12.9 h | 13.6 h | 14.0 h |
Highs change by +7°F from April and +5°F into June.
How Sugar Land ranks in May
- Normal high34th warmest of 378 cities; 10th of 38 in Texas
- Wet days139th driest of 378
What to pack for Sugar Land in May
- Light, breathable clothing – highs near 87°F and about 23 muggy days
- A rain jacket or umbrella – rain on about 8 days
Heating and cooling
May has 1 heating degree days and 399 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.
Questions
How hot is Sugar Land in May?
The normal high is 87°F and the normal low is 69°F. From 1991 to 2020 the hottest May reading was 98°F (May 17, 2018).
Does it rain a lot in Sugar Land in May?
About 8 days in May have at least 0.01 in of precipitation, and the normal total is 5.1 in. The wettest May in 1991-2020 was in 2015 (18.7 in); the driest was in 2003 (0.2 in).
Is May a good time to visit Sugar Land?
May ranks 8th of 12 months on our comfort score for Sugar Land (50 out of 100). It has about 3 comfortable days (judged by temperature only) and about 10 days at 90°F or hotter. The best month is March.
Where the numbers come from
- Temperature and frost dates: Houston Sugarland Mem (USW00012977), 1.3 mi W of the city center, 82 ft . NOAA normals and daily records, 1991-2020.
- Rain: Houston-Westbury (USC00414325), 2.8 mi N of the city center, 50 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Sugar Land (USC00418728), 1.3 mi W of the city center, 84 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Houston Intercont Airport (USW00012960), 30 mi NNE of the city center, 95 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Ellington Field Airport (722436-12906), 28 mi E of the city center, 32 ft . Hourly observations, 1991-2020.