McAllen, TX weather in July
July in McAllen: very hot, oppressively humid and mostly dry. Highs 99°F, lows 79°F, rain on about 5 days. This is the peak of the warm season in McAllen. Midday heat is the main thing to plan around.
- Normal high
- 99°F
- Normal low
- 79°F
- Wet days
- 5
- 2.0 in total
- Muggy days
- 31
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 98°F | 100°F |
| Normal low | 79°F | 79°F |
| Chance of a wet day | 17% | 12% |
| Sunrise / sunset | 6:44 am / 8:29 pm | 6:58 am / 8:20 pm |
| Daylight | 13.8 h | 13.4 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 July day
- 6 am78°Fdew point 75°F
- 9 am86°Fdew point 74°F
- Noon94°Fdew point 70°F
- 3 pm96°Fdew point 69°F
- 6 pm92°Fdew point 70°F
- 9 pm84°Fdew point 73°F
NOAA hourly normals (local standard time) from Mcallen Miller Intl Airport (2 mi away); average wind 12 mph; clear or few clouds in 76% of daytime hours, mostly cloudy or overcast in 10%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Hot dayshigh 90°F or more30 of 31
- Muggy daysdaily mean dew point 65°F or more31 of 31
- Wet daysat least 0.01 in of rain or melted snow5 of 31
- Notable rainat least 0.10 in3 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 2.0 in; a dry July brings about 0.3 in and a wet one about 2.3 in (25th and 75th percentiles). About 1 day brings half an inch or more, and about 1 an inch or more.
How July varies from year to year
- Warmest July, 1991-20202009: average high 104°F
- Coolest July2008: average high 92°F
- Wettest July2007: 8.9 in
- Driest July1993: no measurable precipitation
- Highest reading109°F (July 24, 2018)
- Lowest reading69°F (July 2, 2001)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 97°F | 99°F | 100°F |
| Normal low | 78°F | 79°F | 79°F |
| Wet days | 5 | 5 | 5 |
| Comfortable days | 0 | 0 | 0 |
| Daylight | 13.8 h | 13.6 h | 13.0 h |
Highs change by +2°F from June and +1°F into August.
Nearby alternatives in July
- Cooler: South Padre Island, TX66 mi · high 89°F · 5 wet days
How McAllen ranks in July
- Normal high18th warmest of 378 cities; 3rd of 38 in Texas
- Wet days97th driest of 378
- Comfortable days329th most of 340
What to pack for McAllen in July
- Light, breathable clothing – highs near 99°F and about 31 muggy days
Heating and cooling
July has 0 heating degree days and 733 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.
Questions
How hot is McAllen in July?
The normal high is 99°F and the normal low is 79°F. From 1991 to 2020 the hottest July reading was 109°F (most recently on July 24, 2018).
Does it rain a lot in McAllen in July?
About 5 days in July have at least 0.01 in of precipitation, and the normal total is 2.0 in. The wettest July in 1991-2020 was in 2007 (8.9 in); the driest was in 1993, with no measurable precipitation.
Is July a good time to visit McAllen?
July ranks 10th of 12 months on our comfort score for McAllen (35 out of 100). It has almost no comfortable days and about 30 days at 90°F or hotter. The best months are January and December.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Mcallen Miller Intl Airport (USW00012959), 2.0 mi SW of the city center, 100 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Mcallen (USC00415701), 1.5 mi WSW of the city center, 100 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Mc Allen Miller Intl Arpt (722506-12959), 1.9 mi SSW of the city center, 99 ft . Hourly observations, 1991-2020.