Typical Weather in Decatur, AL in January
51° F Avg High
33° F Avg Low
7 Rainy Days
☀️ Temperature Summary
Highs in January are typically around 51°F, which is cooler than usual in Decatur. Overnight lows can reach 33°F. This is the coldest month of the year in Decatur.
Despite it being the coolest month of the year, January is still a great time to visit Decatur, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 23% chance of rain for any given day in January. It's one of the rainier months of the year for Decatur, with total rainfall for the month around 5 inches.
Rainfall Throughout the Year
Planning a trip to Decatur? Try our free trip weather planner