Monthly weather forecast and climate
Decatur, AL

With an average high-temperature of 50.2°F (10.1°C) and an average low-temperature of 30.9°F (-0.6°C), January is the coldest month. Throughout January, 4.6" (117.6mm) of precipitation is accumulated. Weather in January »
In Decatur, the average high-temperature is 54.7°F (12.6°C), and the average low-temperature is 34.2°F (1.2°C). Throughout February, 4.8" (121.2mm) of precipitation is accumulated. Weather in February »

The average high-temperature, is 63.9°F (17.7°C), while the average low-temperature is 40.8°F (4.9°C). During March, Decatur regularly aggregates up to 4.9" (124.2mm) of precipitation. Weather in March »

The average high-temperature, is 72.7°F (22.6°C), while the average low-temperature is 48.7°F (9.3°C). In Decatur, Alabama, in April, 4.5" (115.1mm) of precipitation is typically accumulated. Weather in April »

The average high-temperature, in May, is 80.4°F (26.9°C), while the average low-temperature is 58.3°F (14.6°C). Throughout May, 4.4" (112.8mm) of precipitation is accumulated. Weather in May »

In June, the average high-temperature is 87.4°F (30.8°C), and the average low-temperature is 65.7°F (18.7°C). Throughout June, 4.5" (114.3mm) of precipitation is accumulated. Weather in June »

Warmest months are July and August, with an average high-temperature of 90.3°F (32.4°C). Throughout July, 4.6" (116.3mm) of precipitation is accumulated. Weather in July »

Warmest months in Decatur are July and August, with an average high-temperature of 90.3°F (32.4°C). Throughout August, 3.6" (90.2mm) of precipitation is accumulated. Weather in August »

In Decatur, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 60.3°F (15.7°C). During September, Decatur regularly aggregates up to 3.6" (90.9mm) of precipitation. Weather in September »

In Decatur, in October, the average high-temperature is 73.8°F (23.2°C), and the average low-temperature is 48.6°F (9.2°C). The month with the least rainfall in Decatur is October when 3.4" (87.6mm) of precipitation is typically aggregated. Weather in October »

In November, the average high-temperature is 63°F (17.2°C), and the average low-temperature is 39.7°F (4.3°C). Throughout November, 4.8" (121.7mm) of precipitation is accumulated. Weather in November »

In December, the average high-temperature is 52.7°F (11.5°C), and the average low-temperature is 33.6°F (0.9°C). The month with the most rainfall is December when 5.7" (144mm) of precipitation is typically aggregated. Weather in December »

What is the coldest month in Decatur?

The coldest month in Decatur 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).

How much does it rain in Decatur?

During the entire year, Decatur aggregates up to 53.4" (1355.9mm) of precipitation.

When are the longest days in Decatur?

The month with the longest days in Decatur, Alabama, is June, with an average of 14.4h of daylight.

What is the warmest month in Decatur?

July and August, with an average high-temperature of 90.3°F (32.4°C), are warmest months in Decatur.

What is the driest month in Decatur?

October is the month with the least rainfall in Decatur, with 3.4" (87.6mm) of accumulated precipitation.

What is the wettest month in Decatur?

The month with the most rainfall in Decatur, Alabama, is December when 5.7" (144mm) of precipitation is typically aggregated.

What is the month with the shortest days in Decatur?

With an average of 9.9h of daylight, December has the shortest days of the year in Decatur, Alabama.
Average temperature - Decatur, AL
Average rainfall - Decatur, AL
Average daylight - Decatur, AL

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

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