Chattanooga, TN weather in March
March in Chattanooga: cool, with frequent rain. Highs 64°F, lows 42°F, rain or snow on about 11 days and about 1.1 in of snow. A good month for most outdoor plans.
- Normal high
- 64°F
- Normal low
- 42°F
- Wet days
- 11
- 5.3 in total
- Snowfall
- 1.1 in
- normal snowfall
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 59°F | 69°F |
| Normal low | 39°F | 46°F |
| Chance of a wet day | 37% | 35% |
| Sunrise / sunset | 7:10 am / 6:36 pm | 7:29 am / 8:01 pm |
| Daylight | 11.4 h | 12.5 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical March day
- 6 am45°Fdew point 39°F
- 9 am49°Fdew point 40°F
- Noon57°Fdew point 39°F
- 3 pm62°Fdew point 38°F
- 6 pm61°Fdew point 38°F
- 9 pm54°Fdew point 40°F
NOAA hourly normals (local standard time) from Chattanooga Lovell Airport (6 mi away); average wind 6 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F14 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow11 of 31
- Notable rainat least 0.10 in8 of 31
- Freezing nightslow 32°F or below5 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain and snow in March
Normal precipitation is 5.3 in; a dry March brings about 3.9 in and a wet one about 6.6 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 2 an inch or more. Normal snowfall is 1.1 in.
How March varies from year to year
- Warmest March, 1991-20202012: average high 74°F
- Coolest March2013: average high 57°F
- Wettest March2011: 11.8 in
- Driest March2007: 1.7 in
- Highest reading88°F (March 25, 2007)
- Lowest reading11°F (March 15, 1993)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 56°F | 64°F | 74°F |
| Normal low | 36°F | 42°F | 50°F |
| Wet days | 11 | 11 | 10 |
| Comfortable days | 6 | 14 | 16 |
| Daylight | 10.9 h | 12.0 h | 13.1 h |
Highs change by +8°F from February and +10°F into April.
Nearby alternatives in March
- Warmer: Columbus, GA180 mi · high 70°F · 9 wet days
- Cooler: Asheville, NC160 mi · high 59°F · 12 wet days
How Chattanooga ranks in March
- Normal high168th warmest of 378 cities; 2nd of 7 in Tennessee
- Wet days307th driest of 378
- Comfortable days124th most of 339
What to pack for Chattanooga in March
- A rain jacket or umbrella – rain or snow on about 11 days
Frost in March
The last spring frost typically comes around Mar 24; in 1 year in 10 it comes after Apr 8. All frost dates for Chattanooga.
Heating and cooling
March has 377 heating degree days and 10 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How cold is Chattanooga in March?
The normal high is 64°F and the normal low is 42°F. From 1991 to 2020 the coldest March reading was 11°F (March 15, 1993).
Does it rain a lot in Chattanooga in March?
About 11 days in March have at least 0.01 in of precipitation, and the normal total is 5.3 in. The wettest March in 1991-2020 was in 2011 (11.8 in); the driest was in 2007 (1.7 in).
Does it snow in Chattanooga in March?
Yes. Normal snowfall in March is 1.1 in.
Is March a good time to visit Chattanooga?
March ranks 3rd of 12 months on our comfort score for Chattanooga (63 out of 100). It has about 14 comfortable days. The best months are April and October.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Chattanooga Lovell Airport (USW00013882), 6.2 mi E of the city center, 671 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Lovell Field Airport (723240-13882), 6.3 mi E of the city center, 669 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).