Birmingham (AL) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Birmingham.
Climate overview of Birmingham
Temperatures in Birmingham, Alabama, United States of America, vary greatly throughout the year. July is the hottest month at 33°C (91°F), while January is the coldest at 12°C (54°F).
Rain/snowfall is high, totalling around 1440 mm (57 in) per year. December is the wettest month and October the driest. The city also experiences very warm summers and mild winters. Sunshine peaks in May, when the city sees around 9.4 hours of sunshine per day.
Birmingham Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Birmingham - and find the best time to visit.
Monthly Temperature in Birmingham
The climate in Birmingham is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very warm 33°C (91°F) in July, the warmest time of the year, to a moderate 12°C (54°F) during cooler months like January.
At night, you can expect temperatures ranging from 22°C (72°F) in July to around 1°C (34°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Birmingham
Birmingham has a notably wet climate with abundant precipitation, recording 1440 mm (57 in) of rain/snowfall per year. While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 154 mm (6.1 in) of precipitation, spread over 12 rainy days.
In contrast, the driest month October experiences a drier climate, with about 81 mm (3.2 in) of rainfall spread across 8 rainy days. For more details, please visit our Birmingham Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Birmingham
Seasonal changes in sunshine hours are quite dramatic in Birmingham. While May receives considerable daily sunshine with up to 9.4 hours, January marks the darkest time of the year, where sunshine is scarce with only 4.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Birmingham by Month
The relative humidity is high throughout the year in Birmingham.
The city experiences its highest humidity in July, reaching 75%. In March, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Birmingham
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: October
- Warmest weather: June, July and August
- Most sunshine: May and June
- Seasonal pattern: Very warm summers and mild winters
Frequently asked questions about the climate in Birmingham
What is the best time to visit Birmingham?
October typically offers the most optimal weather in Birmingham. In contrast, January, July and August tend to have less optimal conditions. Birmingham has very warm summers and mild winters.
What temperatures can I expect in Birmingham?
Daytime highs range from 12°C (54°F) in January to 33°C (91°F) in July. Nighttime lows range from 1°C (34°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does Birmingham get?
Annual rainfall is around 1440 mm (57 in). December is the wettest month with 154 mm (6.1 in), while October is the driest with 81 mm (3.2 in).
How sunny is Birmingham?
Birmingham receives around 2,644 hours of sunshine per year. May is the sunniest month with 283 hours, while January is the cloudiest with just 148 hours. Overall, Birmingham enjoys abundant sunshine.
Birmingham 3-Day Forecast
Birmingham (AL) 3-Day Forecast
Birmingham on the map
Birmingham is highlighted - select any city to see its climate.
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