Decatur, TN weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Decatur now
Loading the National Weather Service forecast…
Decatur weather by the hour
Decatur weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Decatur.
This week in Decatur
Sunrise, sunset and moon in Decatur
What is the weather usually like in Decatur?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 89°F average high
- Januarycoldest month · 28°F average low
- 57.6 inprecipitation per year · 1,463 mm
- 3.3 insnowfall per year · 8 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Decatur: April–May and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station DECATUR 7NE, TN US (USC00402388), adjusted for the elevation of Decatur.
Decatur weather month by month
Sunrise and sunset in Decatur through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:46 AM | 5:50 PM | 10 h 4 min |
| February | 7:24 AM | 6:22 PM | 10 h 58 min |
| March | 7:48 AM | 7:47 PM | 11 h 59 min |
| April | 7:04 AM | 8:13 PM | 13 h 8 min |
| May | 6:32 AM | 8:38 PM | 14 h 5 min |
| June | 6:21 AM | 8:57 PM | 14 h 35 min |
| July | 6:34 AM | 8:56 PM | 14 h 22 min |
| August | 6:57 AM | 8:29 PM | 13 h 32 min |
| September | 7:20 AM | 7:47 PM | 12 h 26 min |
| October | 7:44 AM | 7:05 PM | 11 h 20 min |
| November | 7:13 AM | 5:34 PM | 10 h 20 min |
| December | 7:39 AM | 5:28 PM | 9 h 49 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Decatur?
Decatur has a humid subtropical climate. The warmest month is July, with an average high of 89°F (32°C), and the coldest is January, with average lows of 28°F (-3°C).
It gets about 57.6 inches (1,463 mm) of precipitation a year. The wettest month is December and the driest is October. Snow is common: about 3 inches fall in an average year.
The best time to visit Decatur is April–May and September–October. At 778 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Decatur
Weather in towns near Decatur
Questions about the weather in Decatur
What is the hottest month in Decatur?
July, with an average high of 89°F (32°C).
What is the coldest month in Decatur?
January, with an average low of 28°F (-3°C).
How much does it rain in Decatur?
About 57.6 inches (1,463 mm) a year; the wettest month is December.
Does it snow in Decatur?
Yes, about 3 inches of snow fall in an average year.
When is the best time to visit Decatur?
April–May and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does Decatur have?
Humid subtropical (Köppen Cfa).
What is the weather like in Decatur in November?
Highs average 60°F and lows 35°F, with about 4.6 inches of precipitation.
What time is sunrise in Decatur?
Around 7:13 AM in mid-November, and sunset around 5:34 PM. Today’s exact times are shown above.
Where does this Decatur weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Decatur.
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