Climateby Month

Birmingham, AL climate by month

NOAA 1991-2020 normals · 609 ft elevation

Summers in Birmingham are hot and oppressively humid; winters are cool. Highs peak at 91°F in July and fall to 55°F in January. Wet days are spread through the year, from about 7 to 12 a month. Normal snowfall is about 1.4 in a year. The most comfortable time to visit is April.

Warmest month
91°F
July normal high
Coldest month
35°F
January normal low
Wet days a year
118
56.6 in of precipitation
Snow a year
1.4 in
normal snowfall

How warm is Birmingham?

Normal highs range from 55°F in January to 91°F in July.

20°40°60°80°100° January: normal high 55°F (13°C), low 35°F (2°C) 55° 35° February: normal high 59°F (15°C), low 38°F (3°C) March: normal high 67°F (19°C), low 45°F (7°C) April: normal high 75°F (24°C), low 52°F (11°C) May: normal high 82°F (28°C), low 61°F (16°C) June: normal high 88°F (31°C), low 69°F (21°C) July: normal high 91°F (33°C), low 72°F (22°C) 91° 72° August: normal high 91°F (33°C), low 71°F (22°C) September: normal high 86°F (30°C), low 65°F (18°C) October: normal high 76°F (24°C), low 54°F (12°C) November: normal high 65°F (18°C), low 43°F (6°C) December: normal high 57°F (14°C), low 38°F (3°C) JFMAMJJASOND

Bars run from the normal low to the normal high for each month.

How rainy is Birmingham?

July has the most wet days (about 12); the year brings about 57 in of precipitation.

January: 11 wet days February: 11 wet days March: 11 wet days April: 9 wet days May: 10 wet days June: 11 wet days July: 12 wet days 12 August: 11 wet days September: 7 wet days 7 October: 7 wet days November: 8 wet days December: 10 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How much does it snow?

Normal snowfall is 1.4 in a year, most of it in March.

January: 0.4 in of snow February: 0.3 in of snow March: 0.5 in of snow 0.5 April: 0.0 in of snow 0.0 May: 0.0 in of snow June: 0.0 in of snow July: 0.0 in of snow August: 0.0 in of snow September: 0.0 in of snow October: 0.0 in of snow November: 0.0 in of snow December: 0.2 in of snow JFMAMJJASOND

How humid is Birmingham?

Muggy days peak in July, at about 28 days.

January: 0 muggy days 0 February: 0 muggy days March: 0 muggy days April: 1 muggy days May: 9 muggy days June: 21 muggy days July: 28 muggy days 28 August: 26 muggy days September: 14 muggy days October: 4 muggy days November: 1 muggy days December: 0 muggy days JFMAMJJASOND

Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at Birmingham International Airport, 4.5 mi NE of the city center.

How much daylight?

Daylight ranges from about 10.0 hours in December to 14.3 hours in June.

January: 10.2 hours of daylight February: 11.0 hours of daylight March: 12.0 hours of daylight April: 13.0 hours of daylight May: 13.9 hours of daylight June: 14.3 hours of daylight 14.3 July: 14.1 hours of daylight August: 13.4 hours of daylight September: 12.4 hours of daylight October: 11.3 hours of daylight November: 10.4 hours of daylight December: 10.0 hours of daylight 10.0 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Birmingham, 1991-2020
MonthHighLowPrecip.Wet daysSnowMuggy daysDaylight
January 55°F35°F 5.0 in11 0.4 in 0 10.2 h
February 59°F38°F 5.0 in11 0.3 in 0 11.0 h
March 67°F45°F 5.7 in11 0.5 in 0 12.0 h
April 75°F52°F 5.1 in9 0.0 in 1 13.0 h
May 82°F61°F 4.9 in10 0.0 in 9 13.9 h
June 88°F69°F 4.8 in11 0.0 in 21 14.3 h
July 91°F72°F 5.4 in12 0.0 in 28 14.1 h
August 91°F71°F 4.3 in11 0.0 in 26 13.4 h
September 86°F65°F 4.0 in7 0.0 in 14 12.4 h
October 76°F54°F 3.3 in7 0.0 in 4 11.3 h
November 65°F43°F 4.2 in8 0.0 in 1 10.4 h
December 57°F38°F 4.9 in10 0.2 in 0 10.0 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Birmingham

By our comfort score, the best month is April.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 47574
Feb 55971
Mar 671680
Apr 711660
May 59773
Jun 441813
Jul 380820
Aug 380719
Sep 48349
Oct 651451
Nov 621460
Dec 49782

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. How the score works.

Frost dates in Birmingham

The last spring frost typically comes around Mar 21, and the first fall frost around Nov 11, leaving 236 frost-free days in a typical year.

Frost and freeze dates for Birmingham
Typical date1 year in 10
Last spring frost (32°F)Mar 21after Apr 8
First fall frost (32°F)Nov 11before Oct 30
Last hard freeze (28°F)Mar 7after Mar 26
First hard freeze (28°F)Nov 24before Nov 6
Frost-free season236 daysunder 211 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Birmingham Airport (USW00013876), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Alabama.

Hottest and coldest readings, 1991-2020

The highest reading was 105°F (August 23, 2007, and 1 other day); the lowest was 2°F (March 14, 1993).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Birmingham

Similar climates elsewhere

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Birmingham Airport (USW00013876), 4.5 mi NE of the city center, 615 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Birmingham International Airport (722280-13876), 4.5 mi NE of the city center, 616 ft . Hourly observations, 1991-2020.

Distances from the city center (USGS). Methodology · Report an error