United States · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Dallas are March, April and November, when daytime temperatures are agreeable and rainfall is relatively low.
Dallas sees its warmest weather in August, when daytime highs average around 36°C, and its coolest in January (around 14°C).
Annual precipitation totals roughly 973mm — October is typically the wettest month (~122mm) and July the driest (~43mm).
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 61 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 14° / 3°C | 66mm | 👍 Good |
| February | 17° / 6°C | 71mm | 👍 Good |
| March | 21° / 10°C | 88mm | 🌟 Great |
| April | 25° / 14°C | 80mm | 🌟 Great |
| May | 29° / 19°C | 116mm | 👍 Good |
| June | 34° / 23°C | 97mm | 🤔 Fair |
| July | 36° / 25°C | 43mm | 🤔 Fair |
| August | 36° / 25°C | 56mm | 🤔 Fair |
| September | 32° / 21°C | 79mm | 🤔 Fair |
| October | 26° / 15°C | 122mm | 👍 Good |
| November | 20° / 9°C | 74mm | 🌟 Great |
| December | 15° / 4°C | 82mm | 👍 Good |
January in Dallas is mild, with average daytime highs around 14°C (58°F) and nighttime lows near 3°C (38°F). Expect roughly 66mm of precipitation spread over about 5 rainy days, with a moderate amount of rain.
🎒 What to pack — light jacket · layers for cool evenings
February in Dallas is mild, with average daytime highs around 17°C (62°F) and nighttime lows near 6°C (42°F). Expect roughly 71mm of precipitation spread over about 5 rainy days, with a moderate amount of rain.
🎒 What to pack — light jacket · layers for cool evenings
March in Dallas is pleasantly warm, with average daytime highs around 21°C (70°F) and nighttime lows near 10°C (49°F). Expect roughly 88mm of precipitation spread over about 6 rainy days, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
April in Dallas is warm, with average daytime highs around 25°C (77°F) and nighttime lows near 14°C (57°F). Expect roughly 80mm of precipitation spread over about 6 rainy days, with a moderate amount of rain.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
May in Dallas is warm, with average daytime highs around 29°C (85°F) and nighttime lows near 19°C (66°F). Expect roughly 116mm of precipitation spread over about 8 rainy days, and this is one of the wetter months.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
June in Dallas is hot, with average daytime highs around 34°C (93°F) and nighttime lows near 23°C (74°F). Expect roughly 97mm of precipitation spread over about 6 rainy days, with a moderate amount of rain.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle
July in Dallas is extremely hot, with average daytime highs around 36°C (97°F) and nighttime lows near 25°C (78°F). Expect roughly 43mm of precipitation spread over about 4 rainy days, with little rainfall.
🎒 What to pack — very light, loose clothing · high-SPF sunscreen and a sun hat · plan activities for early morning or evening
August in Dallas is extremely hot, with average daytime highs around 36°C (97°F) and nighttime lows near 25°C (77°F). Expect roughly 56mm of precipitation spread over about 4 rainy days, with little rainfall.
🎒 What to pack — very light, loose clothing · high-SPF sunscreen and a sun hat · plan activities for early morning or evening
September in Dallas is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 21°C (70°F). Expect roughly 79mm of precipitation spread over about 5 rainy days, with a moderate amount of rain.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle
October in Dallas is warm, with average daytime highs around 26°C (80°F) and nighttime lows near 15°C (59°F). Expect roughly 122mm of precipitation spread over about 6 rainy days, and this is one of the wetter months.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
November in Dallas is pleasantly warm, with average daytime highs around 20°C (68°F) and nighttime lows near 9°C (48°F). Expect roughly 74mm of precipitation spread over about 5 rainy days, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
December in Dallas is mild, with average daytime highs around 15°C (59°F) and nighttime lows near 4°C (40°F). Expect roughly 82mm of precipitation spread over about 5 rainy days, with a moderate amount of rain.
🎒 What to pack — light jacket · layers for cool evenings