Knoxville, TN weather in March
Expect cool weather with frequent rain in Knoxville in March, with highs near 61°F and lows near 36°F. Rain or snow falls on about 13 days. Snowfall averages about 0.9 in.
- Normal high
- 61°F
- Normal low
- 36°F
- Wet days
- 13
- 5.3 in total
- Snowfall
- 0.9 in
- normal snowfall
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 57°F | 66°F |
| Normal low | 33°F | 39°F |
| Chance of a wet day | 40% | 40% |
| Sunrise / sunset | 7:05 am / 6:30 pm | 7:23 am / 7:56 pm |
| Daylight | 11.4 h | 12.6 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 am43°Fdew point 37°F
- 9 am47°Fdew point 38°F
- Noon55°Fdew point 38°F
- 3 pm59°Fdew point 38°F
- 6 pm57°Fdew point 37°F
- 9 pm52°Fdew point 37°F
NOAA hourly normals (local standard time) from Knoxville Mcghee Tyson Airport (11 mi away); average wind 7 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F12 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 snow13 of 31
- Notable rainat least 0.10 in9 of 31
- Freezing nightslow 32°F or below11 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 3.7 in and a wet one about 6.5 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.9 in.
How March varies from year to year
- Warmest March, 1991-20202012: average high 72°F
- Coolest March2013: average high 52°F
- Wettest March1994: 11.5 in
- Driest March2016: 2.2 in
- Highest reading86°F (March 21, 2012)
- Lowest reading2°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 | 53°F | 61°F | 71°F |
| Normal low | 29°F | 36°F | 44°F |
| Wet days | 11 | 13 | 11 |
| Comfortable days | 4 | 12 | 17 |
| 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: Athens, GA142 mi · high 67°F · 10 wet days
- Drier: Athens, GA142 mi · high 67°F · 10 wet days
- Cooler: Lexington, KY147 mi · high 56°F · 13 wet days
How Knoxville ranks in March
- Normal high185th warmest of 378 cities; 4th of 7 in Tennessee
- Wet days345th driest of 378
- Comfortable days139th most of 339
What to pack for Knoxville in March
- A warm jacket – lows near 36°F, highs near 61°F
- Layers – afternoons near 61°F but nights near 36°F
- A rain jacket or umbrella – rain or snow on about 13 days
Heating and cooling
March has 513 heating degree days and 2 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.
Questions
How cold is Knoxville in March?
The normal high is 61°F and the normal low is 36°F. From 1991 to 2020 the coldest March reading was 2°F (March 15, 1993).
Does it rain a lot in Knoxville in March?
About 13 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 1994 (11.5 in); the driest was in 2016 (2.2 in).
Does it snow in Knoxville in March?
Yes. Normal snowfall in March is 0.9 in.
Is March a good time to visit Knoxville?
March ranks 4th of 12 months on our comfort score for Knoxville (60 out of 100). It has about 12 comfortable days. The best months are April and October.
Where the numbers come from
- Temperature, rain and frost dates: Knoxville Exp Stn (USC00404946), 4.8 mi SSW of the city center, 830 ft (69 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Snowfall, snow depth and humidity and wind by hour: Knoxville Mcghee Tyson Airport (USW00013891), 11 mi SSW of the city center, 962 ft (63 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Mc Ghee Tyson Airport (723260-13891), 11 mi SSW of the city center, 970 ft (71 ft higher than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).