Knoxville weather in March

In March, Knoxville sees average daytime highs of 60°F and overnight lows near 41°F, with 4.9 in of precipitation across 12.2 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 56°F in the first days to 64°F by the end. The sky is clear or mostly clear about 29% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 06 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Knoxville's 9th-clearest and 1st-windiest month. For the whole year in context, see Knoxville's year-round climate.

Daytime high
60°
8th warmest
Overnight low
41°
5th coldest
Precipitation
4.9 in
12.2 wet days
Daylight
11 h 42 min
6:54 AM – 6:37 PM
Cloud cover
62%
9th clearest
Wind
6 mph
1st windiest
Solar energy
4.22 kWh/m²
Travel score
4.6
out of 10

Knoxville is city and county seat of Knox County, State of Tennessee, United States.

Density
707/km²
people per km²
Founded
1786

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 56°F in the first days to 64°F by the end.

A typical March day in Knoxville reaches about 60°F in the afternoon and slips back to 41°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 46°F and 73°F. Set against its neighbours, March runs about 8°F warmer than February and about 9°F cooler than April.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
15637
25637
35637
45638
55738
65738
75738
85838
95839
105839
115939
125940
135940
146040
156040
166041
176041
186141
196142
206142
216242
226243
236243
246243
256343
266344
276444
286444
296445
306545
316545

How March really feels in Knoxville

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Knoxville weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan47° / 31°4.410.71.89.81.6
Feb52° / 34°4.310.91.710.62.6
Mar60° / 41°4.912.20.711.74.6
Apr69° / 49°4.310.9012.96.2
May77° / 58°3.711.7013.96.5
Jun84° / 66°3.713.2014.45.2
Jul86° / 70°4.714.8014.24.4
Aug86° / 68°3.411.4013.44.9
Sep81° / 62°3.58.3012.26.7
Oct70° / 50°2.97.8011.17.0
Nov59° / 40°3.88.90.210.14.7
Dec50° / 35°4.610.619.62.3

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24258
34357
44357
54357
64357
74357
84456
94456
104456
114456
124357
134357
144357
154357
164258
174258
184159
194159
204159
214258
224258
234258
244258
254258
264258
274357
284357
294357
304357
314357

Chance of precipitation in March

Any precipitationSnow

Knoxville gets around 4.9 in of rain and snow over 12.2 wet days in March, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 38% and peaks near 40% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1374
2364
3364
4364
5364
6364
7363
8373
9373
10373
11383
12383
13383
14383
15392
16392
17392
18392
19392
20392
21392
22402
23402
24401
25401
26401
27401
28401
29401
30401
31400

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the dry band about 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29820
39820
49820
59820
69820
79730
89730
99730
109730
119640
129640
139640
149550
159550
169451
179361
189361
199361
209271
219271
229271
239271
249271
259181
269181
279181
289181
299181
309091
318992

Wind in March

Winds average 6 mph in March, the windiest month of the year.

Across March, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 06 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over March. Sunrise moves from 7:15 AM to 6:32 AM, and sunset from 6:23 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:156:23
211.27:136:24
311.27:126:25
411.37:116:26
511.37:096:27
611.37:086:28
711.47:076:29
811.47:056:30
911.47:046:31
1011.57:026:32
1111.57:016:32
1211.67:006:33
1311.66:586:34
1411.66:576:35
1511.76:556:36
1611.76:546:37
1711.86:526:38
1811.86:516:39
1911.86:496:39
2011.96:486:40
2111.96:466:41
2212.06:456:42
2312.06:446:43
2412.06:426:44
2512.16:416:45
2612.16:396:45
2712.16:386:46
2812.26:366:47
2912.26:356:48
3012.36:336:49
3112.36:326:50

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.22 kWh/m².

For context, solar energy here swings from a low near 2.07 kWh/m² to a high of 6.07 kWh/m² in June across the year — March's 4.22 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.8Moderate
43.8Moderate
53.9Moderate
63.9Moderate
74.0Moderate
84.0Moderate
94.0Bright
104.1Bright
114.1Bright
124.1Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.3Bright
184.3Bright
194.3Bright
204.4Bright
214.4Bright
224.5Bright
234.5Bright
244.5Bright
254.6Bright
264.6Bright
274.7Bright
284.7Bright
294.7Bright
304.8Bright
314.8Bright
Planning a trip in March

Is March a good time to visit Knoxville?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.6
Sightseeing
8th-best month of the year
0.7
Beach & pool
8th-best month of the year

March is a reasonable time to visit Knoxville for sightseeing.

What to pack for Knoxville in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Knoxville sees daytime highs around 60°F and nights near 41°F. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

UV index in Knoxville in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Knoxville peaks around July 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 12UV 10Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Knoxville in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Knoxville is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1518 µg/m³Dec 237 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar11Good
Apr11Good
May13Moderate
Jun16Moderate
Jul18Moderate
Aug15Moderate
Sep11Good
Oct8Good
Nov9Good
Dec7Good
Location & terrain

Where is Knoxville?

Knoxville sits at 36.0°N, 83.9°W, 906 ft above sea level, in United States. The nearest listed city is Farragut, 14 mi away.

Topography around Knoxville

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Knoxville.

Within 2 miles, the terrain around Knoxville has only modest variations in elevation — a maximum elevation change of 390 ft around an average of 919 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 879 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,974 ft.

The land around Knoxville is covered by artificial surfaces (45%) and trees (39%) within 2 miles, trees (65%) and grassland (21%) within 10 miles, and trees (79%) within 50 miles.

2 miles
390 ft
10 miles
879 ft
50 miles
5,974 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Farragut 14 mi · Maryville 14 mi · Oak Ridge 20 mi · Sevierville 21 mi · Gatlinburg 29 mi · Morristown 39 mi · Greeneville 63 mi · Cleveland 77 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Knoxville (35.9606°, -83.9207°, elevation 906 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).