March weather forecastChattanooga, TN

March
Weather in March
The essence of Chattanooga weather in March lies in its transitional nature, as the climate shifts from the final traces of winter towards the early stages of spring. It begins to warm up slightly in this month, with the cold winter air slowly being replaced by a gentler spring breeze. Marked by an average high temperature of 59.4°F (15.2°C) and an average low of 41.9°F (5.5°C), this degree of warming introduces a more significant amount of rainfall than February, with 3.82" (97mm). The weather pattern in March paves the way for the more substantial climatic changes in April.Temperature
With the onset of March, Chattanooga experiences a subtle temperature shift, with the average high-temperature moving from a cool 51.1°F (10.6°C) in February to a refreshing 59.4°F (15.2°C). The nighttime temperature dips to a cold 41.9°F (5.5°C) on average during March.Humidity
In Chattanooga, the average relative humidity in March is 79%.Rainfall
In Chattanooga, in March, during 15.8 rainfall days, 3.82" (97mm) of precipitation is typically accumulated. In Chattanooga, during the entire year, the rain falls for 174.4 days and collects up to 41.14" (1045mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Chattanooga, in March, snow falls for 1.8 days, with typically accumulated 0.47" (12mm) of snow. In Chattanooga, during the entire year, snow falls for 13.2 days and aggregates up to 4.17" (106mm) of snow.Daylight
In March, the average length of the day is 11h and 59min.On the first day of March, sunrise is at 7:09 am and sunset at 6:37 pm EST. On the last day of the month, sunrise is at 7:28 am and sunset at 8:02 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.
Sunshine
In March, the average sunshine is 6.5h.UV index
In Chattanooga, the average daily maximum UV index in March is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 4 in March suggests the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Chattanooga, TN
- Average high temperature in March: 59.4°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in March: 41.9°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in March
Chattanooga, TN
- Average pressure in March: 30.1"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in March
Chattanooga, TN
- Average wind speed in March: 6.3mph
The windiest month (with the highest average wind speed) is February (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in March
Chattanooga, TN
- Average humidity in March: 79%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, October and November (75%).
Average rainfall in March
Chattanooga, TN
- Average rainfall in March: 3.82"
The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is September (2.56").
Average rainfall days in March
Chattanooga, TN
- Average rainfall days in March: 15.8 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in March
Chattanooga, TN
- Average snowfall in March: 0.47"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
Chattanooga, TN
- Average snowfall days in March: 1.8 days
The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in March /
Average sunshine in March
Chattanooga, TN
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in March: 6h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in March
Chattanooga, TN
- Average sunshine days in March: 12.3 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in March
Chattanooga, TN
- Average UV index in March: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in March
Chattanooga, TN
- Average cloud cover in March: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in March
Chattanooga, TN
- Average visibility in March: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).





