Climate in Birmingham

Birmingham, United States has a humid subtropical climate. The annual average temperature is about 20.5°C and the city receives roughly 1199 mm of precipitation across 135 rainy days a year, with around 1312 hours of sunshine. The warmest month is Jul (highs near 30.8°C) and the coldest is Jan (lows near 10.2°C). These are deterministic, latitude- and region-based planning estimates — not a forecast or measured station data; check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Birmingham is classified as Humid Subtropical. This reflects its annual temperature range and the seasonal pattern of its rainfall.

Birmingham receives about 1199 mm of precipitation a year over roughly 135 rainy days. The wettest month is Jul and the driest is Jan.

Birmingham sees an estimated 1312 hours of sunshine a year, concentrated in the warmer months around Jul.

By temperature and rainfall, the most comfortable months in Birmingham are Nov, Oct, Mar. Conditions vary year to year — verify with a current forecast before booking.

Birmingham has a climate comfort score of 80/100, a very comfortable year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.

• Climate in Atlanta — Humid Subtropical, comfort 80/100
• Climate in Nashville — Humid Subtropical, comfort 83/100
• Climate in Charlotte — Humid Subtropical, comfort 80/100