Huntsville, Alabama Climate by Month
Huntsville, Alabama, United States
Hot summers and cool winters, with rain spread through the year.
Huntsville has hot summers and cool winters, with rain spread through the year. August is the warmest month, with highs around 91°F (33°C); January is the coolest at 51°F (11°C), and nights dip to 31°F (0°C). It gets 58 in (1466 mm) of rain a year, spread across the months.
- Warmest month
- 91°F(33°C)
- Average high, August
- Coldest nights
- 31°F(0°C)
- Average low, January
- Rain per year
- 58 in(1466 mm)
- No clear rainy season
- Humidity
- 69%
- Sunniest: July
Best and worst months in Huntsville
Best for weatherThe most comfortable weather comes in October, with highs around 76°F (24°C) and about 3.3 in (83 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 51°F (11°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in October.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Huntsville weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 51°F(11°C) | 31°F(0°C) | 5.0 in(127 mm) | 79% | 2.2 |
| FebFebruary | 56°F(14°C) | 35°F(2°C) | 5.0 in(128 mm) | 67% | 2.9 |
| MarMarch | 65°F(19°C) | 42°F(5°C) | 6.0 in(153 mm) | 64% | 4.0 |
| AprApril | 74°F(24°C) | 49°F(10°C) | 5.4 in(137 mm) | 64% | 5.1 |
| MayMay | 82°F(28°C) | 58°F(15°C) | 4.5 in(115 mm) | 67% | 5.8 |
| JunJune | 89°F(31°C) | 66°F(19°C) | 4.8 in(121 mm) | 69% | 5.8 |
| JulJuly | 91°F(33°C) | 69°F(21°C) | 5.1 in(130 mm) | 71% | 5.9 |
| AugAugust | 91°F(33°C) | 68°F(20°C) | 3.4 in(86 mm) | 69% | 5.5 |
| SepSeptember | 86°F(30°C) | 62°F(17°C) | 4.3 in(109 mm) | 66% | 4.8 |
| OctOctoberBest | 76°F(24°C) | 50°F(10°C) | 3.3 in(83 mm) | 66% | 3.6 |
| NovNovember | 64°F(18°C) | 39°F(4°C) | 4.5 in(114 mm) | 69% | 2.6 |
| DecDecember | 54°F(12°C) | 33°F(1°C) | 6.4 in(163 mm) | 72% | 2.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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