Decatur (AL) Weather and Climate: A Comprehensive Guide
Decatur experiences great temperature shifts.
The city's weather can transition from very warm days
to cold weather.
It also has a notably wet climate with much precipitation.
Now, let’s break down all the climate details for a clearer picture.
Average maximum day and minimum night temperature
The climate in Decatur is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very warm 32°C in August, the warmest time of the year, to a chilly 10°C during cooler months like January.
At night, temperatures typically drop to an average of around -1°C during these months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Decatur has a notably wet climate with abundant precipitation, recording 1412 mm of rain/snowfall per year. While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 171 mm of precipitation, spread over 12 rainy days. In contrast, June experiences a drier climate, with about 82 mm of rainfall spread across 11 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Average humidity
The relative humidity is high throughout the year in Decatur.
The city experiences its highest humidity in July, reaching 73%. In April, the humidity drops to its lowest level at 63%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
clear and no rain clear and no rain almost clear and no rainForecast for Decatur (AL)
The best time of year to visit Decatur in the United States of America
During the months of April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
August has an average maximum temperature of 32°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 10°C.
December tops the wettest month list with 171 mm of rainfall.
June is the driest month with 82 mm of precipitation.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.