United States · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Houston are February, March and November, when daytime temperatures are agreeable and rainfall is relatively low.
Houston sees its warmest weather in August, when daytime highs average around 34°C, and its coolest in January (around 18°C).
Annual precipitation totals roughly 1413mm — June is typically the wettest month (~155mm) and February the driest (~73mm).
A distinctly wetter period runs from May to October — worth planning around if you prefer dry days.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 60 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 18° / 8°C | 104mm | 👍 Good |
| February | 20° / 10°C | 73mm | 🌟 Great |
| March | 23° / 13°C | 83mm | 🌟 Great |
| April | 26° / 17°C | 104mm | 👍 Good |
| May | 30° / 21°C | 138mm | 🤔 Fair |
| June | 33° / 24°C | 155mm | ⚠️ Challenging |
| July | 34° / 25°C | 117mm | 🤔 Fair |
| August | 34° / 25°C | 138mm | ⚠️ Challenging |
| September | 32° / 23°C | 146mm | 🤔 Fair |
| October | 28° / 18°C | 147mm | 👍 Good |
| November | 23° / 12°C | 99mm | 🌟 Great |
| December | 19° / 9°C | 110mm | 👍 Good |
January in Houston is mild, with average daytime highs around 18°C (64°F) and nighttime lows near 8°C (46°F). Expect roughly 104mm of precipitation spread over about 8 rainy days, with a moderate amount of rain.
🎒 What to pack — light jacket · layers for cool evenings
February in Houston is pleasantly warm, with average daytime highs around 20°C (68°F) and nighttime lows near 10°C (50°F). Expect roughly 73mm of precipitation spread over about 6 rainy days, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
March in Houston is pleasantly warm, with average daytime highs around 23°C (73°F) and nighttime lows near 13°C (56°F). Expect roughly 83mm of precipitation spread over about 6 rainy days, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
April in Houston is warm, with average daytime highs around 26°C (79°F) and nighttime lows near 17°C (62°F). Expect roughly 104mm of precipitation spread over about 5 rainy days, with a moderate amount of rain.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
May in Houston is hot, with average daytime highs around 30°C (86°F) and nighttime lows near 21°C (69°F). Expect roughly 138mm of precipitation spread over about 6 rainy days, and this is one of the wetter months.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
June in Houston is hot, with average daytime highs around 33°C (91°F) and nighttime lows near 24°C (75°F). Expect roughly 155mm of precipitation spread over about 9 rainy days, and this is one of the wetter months.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
July in Houston is hot, with average daytime highs around 34°C (93°F) and nighttime lows near 25°C (77°F). Expect roughly 117mm of precipitation spread over about 7 rainy days, and this is one of the wetter months.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
August in Houston is hot, with average daytime highs around 34°C (93°F) and nighttime lows near 25°C (77°F). Expect roughly 138mm of precipitation spread over about 8 rainy days, and this is one of the wetter months.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
September in Houston is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 23°C (73°F). Expect roughly 146mm of precipitation spread over about 8 rainy days, and this is one of the wetter months.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
October in Houston is warm, with average daytime highs around 28°C (82°F) and nighttime lows near 18°C (64°F). Expect roughly 147mm 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 Houston is pleasantly warm, with average daytime highs around 23°C (73°F) and nighttime lows near 12°C (54°F). Expect roughly 99mm of precipitation spread over about 7 rainy days, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
December in Houston is mild, with average daytime highs around 19°C (66°F) and nighttime lows near 9°C (48°F). Expect roughly 110mm of precipitation spread over about 7 rainy days, and this is one of the wetter months.
🎒 What to pack — light jacket · layers for cool evenings · compact umbrella or rain jacket