Climate and monthly weather forecastBirmingham, AL

Climate and monthly weather forecast
The climate of Birmingham
Positioned in the southeastern region of the United States, Birmingham in Alabama enjoys a Humid subtropical climate, classified as Cfa in the Köppen climate classification. This type of climate yields high levels of humidity throughout the year with a prominent absence of a dry season.On average, the city experiences significant thermal fluctuations between its hottest months, from 81.3°F (27.4°C) in May to 91°F (32.8°C) in July, and the colder span ranging from 35.2°F (1.8°C) in January to 71.1°F (21.7°C) in July. Birmingham registers substantial rainfall throughout the year with the lowest average in November at 1.02" (26mm) and the highest in August at 1.89" (48mm). Meanwhile, the presence of snowfall remains relatively unobtrusive with a slight average of 0.08" (2mm) in January and February.
A display of the considerable daylight hours becomes evident from May to July, with averages stretching from 13.9 hours to 14.4 hours. Conversely, the shorter days occur from November to January, with 10 to 10.4 hours of daylight. These data indicate a distinct pattern of weather fluctuations throughout the year, each month offering a unique combination of climatic elements.
The best time to visit Birmingham
Depending on personal preferences for heat, a more temperate season might be an optimal choice. For individuals pursuing moderately warm temperatures, the golden window falls between April and June. During this period, the highs range from 64°F (17.8°C) to 88.5°F (31.4°C) while the lows see a slight increase from 46°F (7.8°C) to 68.4°F (20.2°C). Alongside these desirable temperatures, Birmingham exhibits ample sunshine hours upwards to 10 with a humidity level around 73%.The worst time to visit Birmingham
If a tourist is not particularly fond of high humidity and rainfall, the months straddling August would be less appealing. During this time, humidity rates are at 72%, while rainfall inches climb to a high of 1.89. Couple this with temperatures soaring to a high of 91°F (32.8°C), this period might pose a challenge for those averse to extreme weather conditions.Spring weather in Birmingham
The advent of spring ushers in warmth to Birmingham with temperatures steadily rising from 50.7°F (10.4°C) in March to 73.4°F (23°C) in April. Rainfall levels maintain consistency around 1.54" (39mm), while daylight extends from 12 to 13 hours. Humidity levels hover across the 70's percentile during this period, complementing the comfortable temperatures and longer days.Summer weather in Birmingham
Summer in Birmingham raises the temperature ladder higher with averages fluctuating between 81.3°F (27.4°C) to 91°F (32.8°C). Humidity levels experience a slight dip to 72%, while daylight hours peak to 14.4 hours. Despite the high temperatures, rainfall remains significant in this period registering 1.97" (50mm) in June to 1.61" (41mm) in July. Travelers willing to brave the heat will find lengthy sunny days and ample opportunities for outdoor recreation.Autumn weather in Birmingham
Autumn in Birmingham witness a gradual rundown of temperature from 84.9°F (29.4°C) in September to 61.9°F (16.6°C) in November. As the heat mellows down, daylight hours reduce from 12.4 hours to 10.4 hours. Rainfall dials down to 1.02" (26mm) marking November as the driest month.Winter weather in Birmingham
Winter brings a marked drop in temperature from 54.5°F (12.5°C) in December to 35.2°F (1.8°C) in January. However, the relative humidity inches higher at 79%, causing the cold weather to feel more severe. Precipitation remains frequent, with rainfall averages moving from 1.89" (48mm) in December to 1.54" (39mm) in February. Additionally, snow makes a minor appearance, enhancing the wintry sensation.Weather in January
In January, Birmingham, Alabama weather offers a relatively low temperature range from a low of 35.2°F (1.8°C) to a high of 50.7°F (10.4°C). The transition from the cold December temperatures allows residents to experience fewer snowfall days compared to the preceding month. Weather in January »Weather in February
Weather transition from January to February in Birmingham, Alabama highlights a slight rise in temperature, including the maximum, which reaches 56.1°F (13.4°C). Rainfall days increase, bringing higher expected cumulative precipitation than the earlier month. Weather in February »Weather in March
Birmingham, Alabama, undergoes a significant weather transformation in March. The city experiences warmer temperatures, with the maximum reaching 64°F (17.8°C), a substantial increase from February. This increased temperature often results in a hike in rainfall activity, both in terms of intensity and frequency. Weather in March »Weather in April
With the onset of April, temperature in Birmingham continues to rise, hitting the low 70s°F. Shifting from March, April witnesses trends of diminishing rainfall, leading to drier days, despite a rise in relative humidity. An increase in daily sunshine hours is accompanied by clearer skies, leading to higher visibility. Weather in April »Weather in May
May weather in Birmingham, Alabama exhibits a marked departure from spring, leaning heavily towards summer conditions. Temperatures continue their ascending path, reaching a high of 81.3°F (27.4°C). True to the season, relative humidity maintains consistency despite the rise in temperature. Weather in May »Weather in June
June marks the onset of summer in Birmingham, with temperatures peaking at 88.5°F (31.4°C). Characteristic of the season, rainfall sees moderate intensity, while daylight duration stretches the longest. The frequency of sunny days also peaks, but cooler winds compensate for the higher temperatures. Weather in June »Weather in July
The weather in July in Birmingham, Alabama is characterized by high temperatures, reaching a peak of 91°F (32.8°C). Aside from the blazing sun, Birmingham also encounters a higher occurrence of rainy days. Both wind speed and wind gusts reduce, unable to offset the rising temperature. Weather in July »Weather in August
August, while maintaining high temperatures similar to July, prescribes slightly cooler weather in Birmingham. The reduced rainfall from the peak of 17.6 days in July keeps the city relatively dry. Notable is the decrease in daylight hours, indicating an upcoming shift in seasons. Weather in August »Weather in September
September ushers in cooler weather in Birmingham, Alabama, with temperatures decreasing to highs around 84.9°F (29.4°C). A decrease in rainfall pivots this month closer to a drier season. Despite the drop in temperature, wind gusts increase, offering an easing transition into fall. Weather in September »Weather in October
October in Birmingham embodies the essence of fall, with temperatures dropping further to 74.3°F (23.5°C). The shift from September is also marked by diminishing rainfall and fewer daylight hours. A consistent decrease in UV index indicates a move towards colder weather. Weather in October »Weather in November
November brings chillier days to Birmingham, Alabama, with average high temperatures dropping to a cool 61.9°F (16.6°C). Comparatively, November sees an increase in rainfall days from October, however, the level of precipitation remains stable. Weather in November »Weather in December
December signifies the arrival of winter in Birmingham, Alabama, with temperatures dipping further and seldom rising above 54.5°F (12.5°C). Interestingly, December is one of the wettest months, with rainfall reaching 1.89" (48mm). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Birmingham, AL
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.7°F).
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure
Birmingham, AL
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Birmingham, AL
- Average wind speed in January:
7.3mph - Average wind speed in February:
7.4mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.2mph - Average wind speed in May:
5.7mph - Average wind speed in June:
4.8mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.8mph - Average wind speed in October:
6.1mph - Average wind speed in November:
6.5mph - Average wind speed in December:
7mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity
Birmingham, AL
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Birmingham, AL
- Average rainfall in January:
1.54" - Average rainfall in February:
1.61" - Average rainfall in March:
1.54" - Average rainfall in April:
1.81" - Average rainfall in May:
1.54" - Average rainfall in June:
1.97"
- Average rainfall in July:
1.61" - Average rainfall in August:
1.89" - Average rainfall in September:
1.1" - Average rainfall in October:
1.06" - Average rainfall in November:
1.02" - Average rainfall in December:
1.89"
The wettest month (with the highest rainfall) is June (1.97").
The driest month (with the least rainfall) is November (1.02").
Average rainfall days
Birmingham, AL
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
10.7 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
11.4 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
15.7 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
8.3 days - Average rainfall days in November:
7.9 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (7.9 days).
Average snowfall
Birmingham, AL
The month with the highest snowfall is January (0.12").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Birmingham, AL
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
0.8 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.2 days - Average snowfall days in December:
0.4 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Birmingham, AL
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 18min - Average sunshine in April:
9h and 30min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 48min - Average sunshine in October:
7h and 30min - Average sunshine in November:
5h and 48min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Birmingham, AL
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
16.6 days - Average sunshine days in May:
16.4 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
11.1 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
20.9 days - Average sunshine days in November:
20.8 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (11.1 days).
Average UV index
Birmingham, AL
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Birmingham, AL
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility
Birmingham, AL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





