Dallas, TX weather in July
Expect hot, oppressively humid, mostly dry weather in Dallas in July, with highs near 97°F and lows near 78°F. Rain falls on about 5 days. It is one of the warmest months in Dallas. Plan outdoor time for mornings and evenings.
- Normal high
- 97°F
- Normal low
- 78°F
- Wet days
- 5
- 1.7 in total
- Muggy days
- 27
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 95°F | 98°F |
| Normal low | 76°F | 79°F |
| Chance of a wet day | 20% | 15% |
| Sunrise / sunset | 6:22 am / 8:39 pm | 6:40 am / 8:26 pm |
| Daylight | 14.3 h | 13.8 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 am77°Fdew point 70°F
- 9 am84°Fdew point 70°F
- Noon91°Fdew point 69°F
- 3 pm94°Fdew point 67°F
- 6 pm93°Fdew point 66°F
- 9 pm86°Fdew point 68°F
NOAA hourly normals (local standard time) from Dallas Ft Worth Airport (15 mi away); average wind 10 mph; clear or few clouds in 35% of daytime hours, mostly cloudy or overcast in 33%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Hot dayshigh 90°F or more29 of 31
- Muggy daysdaily mean dew point 65°F or more27 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
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 1.7 in; a dry July brings about 0.5 in and a wet one about 2.3 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How July varies from year to year
- Warmest July, 1991-20201998: average high 103°F
- Coolest July2007: average high 90°F
- Wettest July1994: 5.6 in
- Driest July1993: no measurable precipitation
- Highest reading112°F (July 22, 2018)
- Lowest reading64°F (July 5, 1995)
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 | 93°F | 97°F | 97°F |
| Normal low | 74°F | 78°F | 77°F |
| Wet days | 7 | 5 | 5 |
| Comfortable days | 0 | 0 | 0 |
| Daylight | 14.3 h | 14.1 h | 13.3 h |
Highs change by +4°F from June and 0°F into August.
Nearby alternatives in July
- Cooler: League City, TX248 mi · high 92°F · 10 wet days
How Dallas ranks in July
- Normal high28th warmest of 378 cities; 6th of 38 in Texas
- Wet days105th driest of 378
- Comfortable days316th most of 340
What to pack for Dallas in July
- Light, breathable clothing – highs near 97°F and about 27 muggy days
- Sunglasses and sunscreen – about 14.1 hours of daylight and highs near 97°F
Heating and cooling
July has 0 heating degree days and 691 cooling degree days (base 65°F), 14% of the year's total heating and cooling demand.
Questions
How hot is Dallas in July?
The normal high is 97°F and the normal low is 78°F. From 1991 to 2020 the hottest July reading was 112°F (July 22, 2018).
Does it rain a lot in Dallas in July?
About 5 days in July have at least 0.01 in of precipitation, and the normal total is 1.7 in. The wettest July in 1991-2020 was in 1994 (5.6 in); the driest was in 1993, with no measurable precipitation.
Is July a good time to visit Dallas?
July ranks 11th of 12 months on our comfort score for Dallas (37 out of 100). It has almost no comfortable days and about 29 days at 90°F or hotter. The best months are March and April.
Where the numbers come from
- Temperature, rain, snow depth and frost dates: Dallas Love Fld (USW00013960), 5.5 mi NNW of the city center, 440 ft . NOAA normals and daily records, 1991-2020.
- Snowfall, humidity and wind by hour and cloud cover: Dallas Ft Worth Airport (USW00003927), 15 mi WNW of the city center, 560 ft (132 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Dallas/Ft Worth International Airport (722590-03927), 15 mi WNW of the city center, 544 ft (116 ft higher than the city). Hourly observations, 1991-2020.