Knoxville weather in March: Knoxville, Tennessee: normal highs, lows, rain and records for March
Knoxville in March has a normal high of 61°F and a normal low of 40°F, a daily mean of 51°F, rising from 57°F on the 1st to 66°F by the 31st. Measurable precipitation falls on 13 days in a normal March, 4.89 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 16°C and low of 4°C, 124 mm of precipitation and 2 cm of snow in March.
- NOAA stationKnoxville Airport
- Station IDUSW00013891
- Location35.82°N 83.99°W
- Elevation962 ft (293 m)
- From the center11 miles
- Population198,722
- Jan 48° 30°
- Feb 53° 33°
- Mar 61° 40°
- Apr 71° 48°
- May 79° 57°
- Jun 86° 65°
- Jul 88° 69°
- Aug 88° 68°
- Sep 83° 61°
- Oct 72° 49°
- Nov 60° 38°
- Dec 51° 33°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Knoxville in March?
The normal high is 61°F and the normal low 40°F, for a daily mean of 50.6°F. March is 7.7°F warmer than February and 9.0°F cooler than April. March is the 8th warmest month of the year in Knoxville and the 3rd wettest. Across the month the normal high rises 9°F, from 57°F on March 1 to 66°F on March 31. From one year to the next March's mean temperature typically moves about 3.9°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 47°F and 55°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 40%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 57°F | 36°F | 40% | 28% |
| March 8 | 59°F | 38°F | 40% | 28% |
| March 15 | 61°F | 40°F | 40% | 28% |
| March 22 | 63°F | 41°F | 40% | 27% |
| March 31 | 66°F | 44°F | 39% | 27% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 57°F | 36°F | 40% | 28% | 11 h 20 min |
| March 2 | 57°F | 37°F | 40% | 28% | 11 h 20 min |
| March 3 | 57°F | 37°F | 40% | 28% | 11 h 30 min |
| March 4 | 58°F | 37°F | 40% | 28% | 11 h 30 min |
| March 5 | 58°F | 37°F | 40% | 28% | 11 h 30 min |
| March 6 | 58°F | 37°F | 40% | 28% | 11 h 30 min |
| March 7 | 59°F | 38°F | 40% | 28% | 11 h 40 min |
| March 8 | 59°F | 38°F | 40% | 28% | 11 h 40 min |
| March 9 | 59°F | 38°F | 40% | 28% | 11 h 40 min |
| March 10 | 59°F | 38°F | 40% | 28% | 11 h 40 min |
| March 11 | 60°F | 39°F | 40% | 28% | 11 h 50 min |
| March 12 | 60°F | 39°F | 40% | 28% | 11 h 50 min |
| March 13 | 60°F | 39°F | 40% | 28% | 11 h 50 min |
| March 14 | 61°F | 39°F | 40% | 28% | 11 h 50 min |
| March 15 | 61°F | 40°F | 40% | 28% | 11 h 50 min |
| March 16 | 61°F | 40°F | 40% | 28% | 12 h |
| March 17 | 62°F | 40°F | 40% | 28% | 12 h |
| March 18 | 62°F | 40°F | 40% | 28% | 12 h |
| March 19 | 62°F | 41°F | 40% | 28% | 12 h |
| March 20 | 63°F | 41°F | 40% | 28% | 12 h 10 min |
| March 21 | 63°F | 41°F | 40% | 27% | 12 h 10 min |
| March 22 | 63°F | 41°F | 40% | 27% | 12 h 10 min |
| March 23 | 64°F | 41°F | 40% | 27% | 12 h 10 min |
| March 24 | 64°F | 42°F | 39% | 27% | 12 h 10 min |
| March 25 | 64°F | 42°F | 39% | 27% | 12 h 20 min |
| March 26 | 65°F | 42°F | 39% | 27% | 12 h 20 min |
| March 27 | 65°F | 42°F | 39% | 27% | 12 h 20 min |
| March 28 | 65°F | 43°F | 39% | 27% | 12 h 20 min |
| March 29 | 66°F | 43°F | 39% | 27% | 12 h 30 min |
| March 30 | 66°F | 43°F | 39% | 27% | 12 h 30 min |
| March 31 | 66°F | 44°F | 39% | 27% | 12 h 30 min |
- Normal high
- 61°FMarch average
- Normal low
- 40°FMarch average
- Precipitation
- 4.89 inmonth total
- Days with precipitation
- 130.01 inch or more
- Snowfall
- 0.9 inmonth total
- Nights at 32°F or colder
- 8
- Daylight
- 11 h 20 min to 12 h 30 minMarch 1 to March 31
- Days at 70°F or more
- 8
- Days at 80°F or more
- 1
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013891; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Knoxville in March?
On a given March day the chance of 0.01 inch or more is 40% on average, highest around March 1 (40%). In all, 4.89 in falls on 13 days of a normal March, 1 of them with an inch or more.
In a normal March in Knoxville, 8 nights fall to freezing and snowfall averages 0.9 inches.
Snow falls on 1 day in a normal March.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013891.
How humid and windy is Knoxville in March?
At 3 p.m. the normal temperature is 64°F with 45% relative humidity and a dew point of 42°F; at 6 a.m. it is 47°F with 78% humidity. The wind averages 7.3 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 47°F | 41°F | 78% | 5.6 mph | 38% |
| 9 a.m. | 52°F | 42°F | 69% | 7.6 mph | 38% |
| noon | 60°F | 43°F | 53% | 9.2 mph | – |
| 3 p.m. | 64°F | 42°F | 45% | 9.7 mph | 37% |
| 6 p.m. | 62°F | 42°F | 47% | 8.9 mph | 41% |
| 9 p.m. | 56°F | 41°F | 57% | 6.5 mph | 49% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013891. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for March in Knoxville?
The warmest March temperature on Knoxville's official record (since 1871) is 88°F, on March 25, 1929; the coldest is 1°F, on March 3, 1980. The wettest March brought 13.35 in (1917); the snowiest, 20.2 inches (1960).
The March mean against the 1991-2020 normal of 50.6°F: 2021 54.1°F (+3.5), 2022 53.7°F (+3.1), 2023 52.1°F (+1.5), 2024 54.5°F (+3.9), 2025 54.0°F (+3.4), 2026 58.7°F (+8.1). 6 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 54.1°F | +3.5°F | 9.12 in |
| 2022 | 53.7°F | +3.1°F | 3.69 in |
| 2023 | 52.1°F | +1.5°F | 5.61 in |
| 2024 | 54.5°F | +3.9°F | 5.02 in |
| 2025 | 54.0°F | +3.4°F | 4.42 in |
| 2026 | 58.7°F | +8.1°F | 3.27 in |
Source: records: ACIS, NWS threaded record TYSthr; recent months: ACIS, station USW00013891. Records and recent months use complete months only.
How does March in Knoxville compare across Tennessee?
Across the 116 places PlainClimate covers in Tennessee, March normal highs run from 55°F in Roan Mountain to 66°F in Ardmore; Knoxville's is 61°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.