Chattanooga
Tennessee, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Chattanooga, TN

A stunning aerial panorama of the area of Chattanooga, Tennessee, a distant white skyline in the horizon and mountains
A stunning aerial panorama of the area of Chattanooga, Tennessee, a distant white skyline in the horizon and mountains
January, the same as December, is a cool winter month in Chattanooga, Tennessee, with average temperature varying between 30.7°F (-0.7°C) and 50.2°F (10.1°C). With an average high-temperature of 50.2°F (10.1°C) and an average low-temperature of 30.7°F (-0.7°C), January is the coldest month. Weather in January »
February, the last month of the winter, in Chattanooga, is another cool month, with average temperature varying between 34°F (1.1°C) and 54.9°F (12.7°C). In February, the average high-temperature is almost the same as in January - a still cool 54.9°F (12.7°C). Weather in February »

The first month of the spring, March, is an enjoyable month in Chattanooga, Tennessee, with average temperature fluctuating between 40.6°F (4.8°C) and 63.7°F (17.6°C). In Chattanooga, Tennessee, the average high-temperature slightly increases, from a cool 54.9°F (12.7°C) in February, to a comfortable 63.7°F (17.6°C). Weather in March »

April is an agreeable spring month in Chattanooga, Tennessee, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 72.7°F (22.6°C). In April, the average high-temperature increases, from a comfortable 63.7°F (17.6°C) in March, to a pleasant 72.7°F (22.6°C). Weather in April »

The last month of the spring, May, is a warm month in Chattanooga, Tennessee, with average temperature varying between 57.4°F (14.1°C) and 79.9°F (26.6°C). In May, the average high-temperature marginally rises, from an agreeable 72.7°F (22.6°C) in April, to a warm 79.9°F (26.6°C). Weather in May »

The first month of the summer, June, is a tropical month in Chattanooga, Tennessee, with average temperature ranging between max 87.1°F (30.6°C) and min 65.8°F (18.8°C). In June, the average high-temperature marginally rises, from a moderately hot 79.9°F (26.6°C) in May, to a hot 87.1°F (30.6°C). Weather in June »

July, the same as June, in Chattanooga, Tennessee, is a hot summer month, with temperature in the range of an average low of 69.6°F (20.9°C) and an average high of 90.1°F (32.3°C). July is the warmest month, with an average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 69.6°F (20.9°C). Weather in July »

August, the last month of the summer, in Chattanooga, is another tropical month, with average temperature fluctuating between 69.3°F (20.7°C) and 89.6°F (32°C). In August, the average high-temperature is practically the same as in July - a still tropical 89.6°F (32°C). Weather in August »

September, the first month of the autumn, in Chattanooga, is still a warm month, with average temperature varying between 61.9°F (16.6°C) and 83.1°F (28.4°C). In Chattanooga, the average high-temperature in September marginally drops, from a tropical 89.6°F (32°C) in August, to a warm 83.1°F (28.4°C). Weather in September »

October, the same as September, in Chattanooga, Tennessee, is an agreeable autumn month, with average temperature ranging between min 49.8°F (9.9°C) and max 73°F (22.8°C). In October, the average high-temperature decreases, from a moderately hot 83.1°F (28.4°C) in September, to an agreeable 73°F (22.8°C). Weather in October »

The last month of the autumn, November, is also an enjoyable month in Chattanooga, Tennessee, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 40.3°F (4.6°C). In Chattanooga, the average high-temperature drops, from an agreeable 73°F (22.8°C) in October, to a comfortable 62.2°F (16.8°C). Weather in November »

The first month of the winter, December, is also a fresh month in Chattanooga, Tennessee, with average temperature fluctuating between 52.2°F (11.2°C) and 33.1°F (0.6°C). In Chattanooga, the average high-temperature decreases, from a comfortable 62.2°F (16.8°C) in November, to a fresh 52.2°F (11.2°C). Weather in December »

What is the coldest month in Chattanooga?

The coldest month is January, with an average high-temperature of 50.2°F (10.1°C) and an average low-temperature of 30.7°F (-0.7°C).

How much does it rain in Chattanooga?

Throughout the year, in Chattanooga, Tennessee, there are 119.6 rainfall days, and 52.5" (1332.9mm) of precipitation is accumulated.

When does it snow in Chattanooga?

Months with snowfall are January through April and December.

How many days does it snow in Chattanooga?

Throughout the year, there are 2.7 snowfall days, and 3.9" (99mm) of snow is accumulated.

When does it snow the most in Chattanooga?

January is the month with the most snowfall. Snow falls for 1 days and accumulates 1.7" (43.2mm) of snow.

What is the least humid month in Chattanooga?

With an average relative humidity of 63.8%, April is the least humid month in Chattanooga, Tennessee.

When are the longest days in Chattanooga?

With an average of 14.5h of daylight, June has the longest days of the year.

What month has the most sunshine in Chattanooga?

The month with the most sunshine is June, with an average of 9.2h of sunshine.

When is the highest UV index in Chattanooga?

June and July, with an average maximum UV index of 10, are months with the highest UV index in Chattanooga, Tennessee.

What is the warmest month in Chattanooga?

With an average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 69.6°F (20.9°C), July is the warmest month.

What is the most humid month in Chattanooga?

With an average relative humidity of 77%, September is the most humid month.

What is the driest month in Chattanooga?

The month with the least rainfall in Chattanooga is October when the rain falls for 7.7 days and typically collects 3.3" (83.3mm) of precipitation.

What is the wettest month in Chattanooga?

November is the month with the most rainfall in Chattanooga. Rain falls for 9.6 days and accumulates 5" (127mm) of precipitation.

What is the month with the shortest days in Chattanooga?

December has the shortest days of the year in Chattanooga, Tennessee, with an average of 9.8h of daylight.

What is the month with the least sunshine in Chattanooga?

The month with the least sunshine is December, with an average of 4.5h of sunshine.

When is the lowest UV index in Chattanooga?

The month with the lowest UV index is December, with an average maximum UV index of 2.
Average temperature - Chattanooga, TN
Average humidity - Chattanooga, TN
Average rainfall - Chattanooga, TN
Average rainfall days - Chattanooga, TN

The month with the highest number of rainy days is July (11.7 days).
The month with the lowest number of rainy days is October (7.7 days).

Average snowfall - Chattanooga, TN

The month with the highest snowfall is January (1.7").
Months with the lowest snowfall are May, June, July, August, September, October and November (0").

Average snowfall days - Chattanooga, TN

The month with the highest number of snowfall days is January (1 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine - Chattanooga, TN