Dallas · United States · 1995–2024 averages
Dallas weather, month by month. October is the pick.
Thirty years of averages for Dallas, United States — how hot it really feels, when the rain arrives, and what the air is like. October comes out on top; August is the one to skip.
The year at a glance
Tap a month for its full breakdown.
October
bestscore 82/100Mild, comfy and some rain, with clean air.
- Feels like
- 25°
- mild
- Real temp
- 26°
- mild
- Humidity
- 62%
- comfy
- Rain
- 108mm
- some rain
- Cloud cover
- 38%
- bright
- Air quality
- 48
- clean
- Daylight
- 11.4h
- shortish
Month by month, metric by metric
Each row is one measure across the same twelve months. The tint says how good that month is for it, the word says why.
- Good
- Okay
- Rough
- Grim
Feels like
peaks at 38° in July
- Jan10°cold
- Feb13°cold
- Mar18°cool
- Apr23°mild
- May30°warm
- Jun35°hot
- Jul38°scorching
- Aug38°scorching
- Sep33°hot
- Oct25°mild
- Nov17°cool
- Dec12°cold
Real temp
14–35° in the shade across the year
- Jan14°cool
- Feb16°cool
- Mar20°cool
- Apr24°mild
- May28°warm
- Jun32°warm
- Jul35°hot
- Aug35°hot
- Sep31°warm
- Oct26°mild
- Nov19°cool
- Dec15°cool
Humidity
57% at its driest, 70% at its most oppressive
- Jan67%sticky
- Feb68%sticky
- Mar67%sticky
- Apr65%sticky
- May70%sticky
- Jun67%sticky
- Jul59%comfy
- Aug57%comfy
- Sep61%comfy
- Oct62%comfy
- Nov67%sticky
- Dec68%sticky
Rain
141mm in May, 49mm in July
- Jan70mmdryish
- Feb80mmsome rain
- Mar108mmsome rain
- Apr114mmsome rain
- May141mmrainy
- Jun96mmsome rain
- Jul49mmdryish
- Aug63mmdryish
- Sep72mmdryish
- Oct108mmsome rain
- Nov90mmsome rain
- Dec84mmsome rain
Cloud cover
36% at its clearest, 54% at its greyest
- Jan48%bright
- Feb53%bright
- Mar53%bright
- Apr50%bright
- May54%bright
- Jun45%bright
- Jul40%bright
- Aug38%bright
- Sep36%bright
- Oct38%bright
- Nov45%bright
- Dec49%bright
Air quality
worst in July, cleanest in November
- Jan49clean
- Feb50clean
- Mar52moderate
- Apr50clean
- May65moderate
- Jun67moderate
- Jul68moderate
- Aug63moderate
- Sep55moderate
- Oct48clean
- Nov47clean
- Dec47clean
Daylight
10h to 14.3h of daylight across the year
- Jan10.3hshortish
- Feb11hshortish
- Mar12heven
- Apr13heven
- May13.9heven
- Jun14.3hlong days
- Jul14.1hlong days
- Aug13.3heven
- Sep12.4heven
- Oct11.4hshortish
- Nov10.5hshortish
- Dec10hshortish
Dallas's air, month by month
The air is at its worst in July at 68 AQI (moderate), and at its cleanest in November at 47 (clean). The dirtiest months here are also the driest.
Every month in full
All twelve months, all seven measures.
| Month | Feels like | Real temp | Humidity | Rain | Cloud cover | Air quality | Daylight |
|---|---|---|---|---|---|---|---|
| January | 10° cold | 14° cool | 67% sticky | 70mm dryish | 48% bright | 49 clean | 10.3h shortish |
| February | 13° cold | 16° cool | 68% sticky | 80mm some rain | 53% bright | 50 clean | 11h shortish |
| March | 18° cool | 20° cool | 67% sticky | 108mm some rain | 53% bright | 52 moderate | 12h even |
| April | 23° mild | 24° mild | 65% sticky | 114mm some rain | 50% bright | 50 clean | 13h even |
| May | 30° warm | 28° warm | 70% sticky | 141mm rainy | 54% bright | 65 moderate | 13.9h even |
| June | 35° hot | 32° warm | 67% sticky | 96mm some rain | 45% bright | 67 moderate | 14.3h long days |
| July | 38° scorching | 35° hot | 59% comfy | 49mm dryish | 40% bright | 68 moderate | 14.1h long days |
| August | 38° scorching | 35° hot | 57% comfy | 63mm dryish | 38% bright | 63 moderate | 13.3h even |
| September | 33° hot | 31° warm | 61% comfy | 72mm dryish | 36% bright | 55 moderate | 12.4h even |
| October | 25° mild | 26° mild | 62% comfy | 108mm some rain | 38% bright | 48 clean | 11.4h shortish |
| November | 17° cool | 19° cool | 67% sticky | 90mm some rain | 45% bright | 47 clean | 10.5h shortish |
| December | 12° cold | 15° cool | 68% sticky | 84mm some rain | 49% bright | 47 clean | 10h shortish |
Dallas weather questions
- What is the best time to visit Dallas?
- October scores best across temperature, rain, humidity and air quality — 25° feels-like, 108mm of rain and 62% humidity. August is the month to avoid: 63mm of rain and 63 AQI.
- How hot does Dallas get?
- July is the peak, at 38° feels-like (35° in the shade) — scorching. Even in October it reaches 25°.
- When is the rainy season in Dallas?
- May is the wettest month at 141mm, and July the driest at just 49mm.
- Is air quality a problem in Dallas?
- July is the worst month at 68 AQI (moderate), and November the best at 47 (clean).
Weather normals from Open-Meteo (ERA5 reanalysis, 1995–2024) and CAMS air quality (2015–2024), licensed CC-BY-4.0. Contains modified Copernicus Climate Change Service information. These are long-run averages, not forecasts — any given year will differ.
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