Decatur
Alabama, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Decatur, AL

January, like December, in Decatur, Alabama, is another fresh winter month, with average temperature fluctuating between 30.9°F (-0.6°C) and 50.2°F (10.1°C).

Temperature

The coldest month is January, with an average high-temperature of 50.2°F (10.1°C) and an average low-temperature of 30.9°F (-0.6°C).

Rainfall

Throughout January, in Decatur, 4.6" (117.6mm) of precipitation is accumulated. During the entire year, Decatur aggregates up to 53.4" (1355.9mm) of precipitation.

Daylight

In January, the average length of the day in Decatur, Alabama, is 10.1h.

What is the coldest month in Decatur?

The coldest month in Decatur, Alabama, is January, with an average high-temperature of 50.2°F (10.1°C) and an average low-temperature of 30.9°F (-0.6°C).

What is the temperature in January in Decatur?

The average high-temperature, in January, in Decatur, is 50.2°F (10.1°C), while the average low-temperature is 30.9°F (-0.6°C).

How much does it rain in Decatur in January?

In Decatur, Alabama, in January, 4.6" (117.6mm) of precipitation is typically accumulated.

How many hours of daylight does Decatur have in January?

In January, the average length of the day in Decatur is 10.1h.
Average temperature in January - Decatur, AL
  • Average high temperature in January: 50.1°F

Warmest months (with the highest average high temperature) are July and August (90.3°F).
The month with the lowest average high temperature is January (50.1°F).

  • Average low temperature in January: 31°F

The month with the highest average low temperature is July (68.8°F).
The coldest month (with the lowest average low temperature) is January (31°F).

Average rainfall in January - Decatur, AL
  • Average rainfall in January: 4.6"

The wettest month (with the highest rainfall) is December (5.7").
The driest month (with the lowest rainfall) is October (3.5").

Average daylight in January - Decatur, AL
  • Average daylight in January: 10.1h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).