Climate Insights for Birmingham

Whatcom County, Alabama, United States

Hottest
Luglio
32°C peak
Coldest
Gennaio
3°C low
Wettest
Marzo
161mm rain
Best to Visit
Maggio, Settembre, Ottobre
Mild temps & low rain

Climate Overview

The climate in Birmingham is warm and mild. The average annual temperature is 18°C and approximately 1386mm of precipitation falls per year. Birmingham receives a notable amount of rainfall throughout the year, including during its driest month. Birmingham is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Luglio, Agosto, Giugno. The coldest months are Gennaio, Dicembre, Febbraio, when temperatures can drop to 3°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 13° Average: 7° Min: 3° Feb Max: 17° Average: 10° Min: 6° Mar Max: 21° Average: 14° Min: 9° Apr Max: 24° Average: 17° Min: 12° May Max: 28° Average: 22° Min: 17° Jun Max: 31° Average: 26° Min: 21° Jul Max: 32° Average: 27° Min: 23° Aug Max: 32° Average: 27° Min: 22° Sep Max: 30° Average: 24° Min: 19° Oct Max: 25° Average: 19° Min: 14° Nov Max: 19° Average: 13° Min: 8° Dec Max: 15° Average: 10° Min: 6°
Max
Average
Min

Temperatures in Birmingham vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is Luglio, when average highs reach 32°C and the mean temperature sits around 27°C. Gennaio is the coolest month, with minimum temperatures around 3°C and an average of 7°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 133mm Snow: 1mm Feb Precipitation: 158mm Snow: 1mm Mar Precipitation: 161mm Snow: 0mm Apr Precipitation: 127mm Snow: 0mm May Precipitation: 92mm Snow: 0mm Jun Precipitation: 116mm Snow: 0mm Jul Precipitation: 114mm Snow: 0mm Aug Precipitation: 108mm Snow: 0mm Sep Precipitation: 77mm Snow: 0mm Oct Precipitation: 80mm Snow: 0mm Nov Precipitation: 92mm Snow: 0mm Dec Precipitation: 130mm Snow: 1mm
Precipitation
Snow

Birmingham is a fairly wet location, receiving approximately 1386mm of precipitation annually, which averages out to around 116mm per month. The wettest month is March, averaging 161mm of rainfall. February and January also tend to see above-average precipitation. The driest month is September, with just 77mm. That's 84mm less than March, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 16km/h Feb Wind Speed: 17km/h Mar Wind Speed: 17km/h Apr Wind Speed: 16km/h May Wind Speed: 14km/h Jun Wind Speed: 12km/h Jul Wind Speed: 11km/h Aug Wind Speed: 11km/h Sep Wind Speed: 12km/h Oct Wind Speed: 13km/h Nov Wind Speed: 14km/h Dec Wind Speed: 16km/h
Wind Speed

Birmingham is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 16km/h in winter, 16km/h in spring, 11km/h in summer, 13km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

1 day until Spring

It is currently winter in Birmingham, which began on December 21, 2026. Birmingham is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in Luglio at around 32°C, while the coldest stretch bottoms out in Gennaio near 3°C. Spring is next, beginning on March 20, 2026 — 1 days from now.

Spring

Temperatures range from 9 to 28°C. Rainfall is heavy, totalling around 380mm across the season with a monthly average of 127mm. Winds are moderate at around 16km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 21 to 32°C. Rainfall is heavy, totalling around 338mm across the season with a monthly average of 113mm. Winds are generally light, averaging 11km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 8 to 30°C. Precipitation is moderate at around 248mm for the season, averaging 83mm per month. Winds are generally light, averaging 13km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 3 to 17°C. Rainfall is heavy, totalling around 420mm across the season with a monthly average of 140mm. Winds are moderate at around 16km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan
Feb 10°
Mar 14°
Apr 17°
May 22°
Jun 26°
Jul 27°
Aug 27°
Sep 24°
Oct 19°
Nov 13°
Dec 10°

The best time to visit Birmingham is during Maggio, Settembre and Ottobre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 83mm per month. By contrast, Luglio can be uncomfortably hot with highs reaching 32°C, while Gennaio is the coldest period with lows dropping to 3°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Birmingham based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
3 °C
13 °C
16 km/h
133 mm
1 cm
Feb
6 °C
17 °C
17 km/h
158 mm
1 cm
Mar Current
9 °C
21 °C
17 km/h
161 mm
0 cm
Apr
12 °C
24 °C
16 km/h
127 mm
0 cm
May
17 °C
28 °C
14 km/h
92 mm
0 cm
Jun
21 °C
31 °C
12 km/h
116 mm
0 cm
Jul
23 °C
32 °C
11 km/h
114 mm
0 cm
Aug
22 °C
32 °C
11 km/h
108 mm
0 cm
Sep
19 °C
30 °C
12 km/h
77 mm
0 cm
Oct
14 °C
25 °C
13 km/h
80 mm
0 cm
Nov
8 °C
19 °C
14 km/h
92 mm
0 cm
Dec
6 °C
15 °C
16 km/h
130 mm
1 cm
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Metric (°C, km/h)