Dallas, TX Climate & Monthly Averages
The climate of Dallas
Located in Texas, United States, Dallas experiences a humid subtropical climate with hot, humid summers and generally mild winters. Afternoon temperatures peak near 95°F (35°C) in July and dip to about 56°F (13°C) in January, with around 55.1 inches (1400 mm) of precipitation falling across the year.
Climate quick facts
- Hottest month: July - highs near 95°F (35°C)
- Coldest month: January - highs near 56°F (13°C)
- Record high: 109°F (43°C) · Record low: -2°F (-19°C) (2015–2024)
- Wettest month: May (14 rainy days) · Sunniest: July (12.2 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 95°F (35°C) and overnight lows stay near 78°F (25°C). The coolest month is January, with typical highs of 56°F (13°C) and lows around 38°F (3°C). Based on 2015–2024 weather data, temperatures have reached as high as 109°F (43°C) and dropped as low as -2°F (-19°C).
Rain, sun and snow
May is usually the wettest month. It brings about 7.7 inches (196 mm) of rain over 14 days, while July is the driest. July brings the most sunshine, averaging 12.2 hours of sun a day. Snowfall is rare but not unheard of.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 56° | 38° | 7 | 2.6 in | 7.3 h/day | 65% |
| February | 60° | 41° | 9 | 4.1 in | 7.1 h/day | 67% |
| March | 69° | 51° | 11 | 4.7 in | 8.1 h/day | 67% |
| April | 75° | 56° | 12 | 6.2 in | 9.2 h/day | 67% |
| May | 83° | 65° | 14 | 7.7 in | 9.5 h/day | 73% |
| June | 90° | 73° | 10 | 4.9 in | 11.4 h/day | 69% |
| July | 95° | 78° | 9 | 2.5 in | 12.2 h/day | 61% |
| August | 95° | 78° | 9 | 4.3 in | 11.6 h/day | 60% |
| September | 89° | 72° | 8 | 3.9 in | 10.4 h/day | 63% |
| October | 79° | 61° | 8 | 6.2 in | 9.2 h/day | 61% |
| November | 67° | 49° | 8 | 4.4 in | 7.5 h/day | 69% |
| December | 60° | 43° | 8 | 3.4 in | 6.9 h/day | 69% |
Dallas month by month
Dallas weather in January
January brings highs around 56°F (13°C), lows near 38°F (3°C), about 7 wet days - typically the coldest month of the year in Dallas.
Dallas weather in February
February brings highs around 60°F (16°C), lows near 41°F (5°C), about 9 wet days.
Dallas weather in March
March brings highs around 69°F (21°C), lows near 51°F (10°C), about 11 wet days.
Dallas weather in April
April brings highs around 75°F (24°C), lows near 56°F (14°C), about 12 wet days.
Dallas weather in May
May brings highs around 83°F (28°C), lows near 65°F (19°C), about 14 wet days - typically the wettest month of the year in Dallas.
Dallas weather in June
June brings highs around 90°F (32°C), lows near 73°F (23°C), about 10 wet days.
Dallas weather in July
July brings highs around 95°F (35°C), lows near 78°F (25°C), about 9 wet days - typically the hottest month and the driest month and the sunniest month of the year in Dallas.
Dallas weather in August
August brings highs around 95°F (35°C), lows near 78°F (25°C), about 9 wet days.
Dallas weather in September
September brings highs around 89°F (32°C), lows near 72°F (22°C), about 8 wet days.
Dallas weather in October
October brings highs around 79°F (26°C), lows near 61°F (16°C), about 8 wet days.
Dallas weather in November
November brings highs around 67°F (19°C), lows near 49°F (10°C), about 8 wet days.
Dallas weather in December
December brings highs around 60°F (16°C), lows near 43°F (6°C), about 8 wet days.
Seasons in Dallas
Spring (March through May)
Spring in Dallas is mild and warm, with daytime highs averaging 76°F (24°C) and nights around 57°F (14°C); expect showers on roughly 37 days across the season.
Summer (June through August)
Summer in Dallas is intensely hot, with daytime highs averaging 93°F (34°C) and nights around 76°F (25°C); expect showers on roughly 28 days across the season.
Fall (September through November)
Fall in Dallas is pleasantly warm, with daytime highs averaging 78°F (26°C) and nights around 61°F (16°C); expect showers on roughly 24 days across the season.
Winter (December through February)
Winter in Dallas stays on the cool side of mild, with daytime highs averaging 59°F (15°C) and nights around 41°F (5°C); expect showers on roughly 24 days across the season.
Climate questions, answered
What is the average temperature in Dallas?
Is Dallas hot in summer?
Is Dallas cold in winter?
How many rainy days does Dallas get in a year?
Best time to visit Dallas
The best time to visit Dallas is generally February to April and October to December, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 69°F (20°C).
Pack for Dallas with lightweight, breathable clothing and strong sun protection for the hot months; a warm jacket and layers for the cooler season; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - July nights average 78°F (25°C).
Dallas temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.