Chattanooga weather in March: Chattanooga, Tennessee: normal highs, lows, rain and records for March

Chattanooga in March has a normal high of 64°F and a normal low of 42°F, a daily mean of 53°F, rising from 59°F on the 1st to 69°F by the 31st. Measurable precipitation falls on 11 days in a normal March, 5.34 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 18°C and low of 6°C, 136 mm of precipitation and 3 cm of snow in March.

  • NOAA stationChattanooga Airport
  • Station IDUSW00013882
  • Location35.03°N 85.20°W
  • Elevation671 ft (205 m)
  • From the center4 miles
  • Population191,496
  1. Jan 51° 32°
  2. Feb 56° 36°
  3. Mar 64° 42°
  4. Apr 74° 50°
  5. May 81° 59°
  6. Jun 88° 67°
  7. Jul 91° 71°
  8. Aug 90° 70°
  9. Sep 84° 64°
  10. Oct 74° 51°
  11. Nov 62° 40°
  12. Dec 53° 35°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Chattanooga in March?

The normal high is 64°F and the normal low 42°F, for a daily mean of 53.2°F. March is 7.6°F warmer than February and 8.5°F cooler than April. March is the 8th warmest month of the year in Chattanooga and the wettest. Across the month the normal high rises 10°F, from 59°F on March 1 to 69°F on March 31. From one year to the next March's mean temperature typically moves about 3.7°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 50°F and 57°F.

Chattanooga in March, day by day: normal high and low

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 38%).

Normal high and low on five days of March, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
March 159°F39°F38%26%
March 862°F40°F37%26%
March 1564°F42°F36%26%
March 2266°F44°F35%25%
March 3169°F46°F35%26%
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
Chattanooga: NOAA 1991-2020 daily normals for each day of March
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
March 159°F39°F38%26%11 h 20 min
March 260°F39°F37%26%11 h 30 min
March 360°F39°F37%26%11 h 30 min
March 460°F40°F37%26%11 h 30 min
March 561°F40°F37%26%11 h 30 min
March 661°F40°F37%26%11 h 30 min
March 761°F40°F37%26%11 h 40 min
March 862°F40°F37%26%11 h 40 min
March 962°F41°F37%26%11 h 40 min
March 1062°F41°F37%26%11 h 40 min
March 1162°F41°F37%26%11 h 50 min
March 1263°F41°F36%26%11 h 50 min
March 1363°F42°F36%26%11 h 50 min
March 1463°F42°F36%26%11 h 50 min
March 1564°F42°F36%26%11 h 50 min
March 1664°F42°F36%26%12 h
March 1764°F42°F36%26%12 h
March 1865°F43°F36%26%12 h
March 1965°F43°F36%26%12 h
March 2065°F43°F36%26%12 h 10 min
March 2166°F43°F35%25%12 h 10 min
March 2266°F44°F35%25%12 h 10 min
March 2366°F44°F35%25%12 h 10 min
March 2467°F44°F35%25%12 h 10 min
March 2567°F44°F35%25%12 h 20 min
March 2667°F44°F35%25%12 h 20 min
March 2768°F45°F35%26%12 h 20 min
March 2868°F45°F35%26%12 h 20 min
March 2968°F45°F35%26%12 h 30 min
March 3069°F45°F35%26%12 h 30 min
March 3169°F46°F35%26%12 h 30 min
Normal high
64°FMarch average
Normal low
42°FMarch average
Precipitation
5.34 inmonth total
Days with precipitation
110.01 inch or more
Snowfall
1.1 inmonth total
Nights at 32°F or colder
5
Daylight
11 h 20 min to 12 h 30 minMarch 1 to March 31
Days at 70°F or more
10
Days at 80°F or more
2
Sunshine
68%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00013882; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Chattanooga in March?

On a given March day the chance of 0.01 inch or more is 36% on average, highest around March 1 (38%). In all, 5.34 in falls on 11 days of a normal March, 2 of them with an inch or more.

In a normal March in Chattanooga, 5 nights fall to freezing and snowfall averages 1.1 inches.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013882.

How humid and windy is Chattanooga in March?

At 3 p.m. the normal temperature is 66°F with 41% relative humidity and a dew point of 42°F; at 6 a.m. it is 49°F with 80% humidity. The wind averages 6.3 mph, most often from the southwest in the afternoon. A dew point under 50°F feels dry.

A normal March day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.49°F43°F80%4.3 mph45%
9 a.m.54°F44°F68%6.1 mph–
noon62°F43°F50%8.4 mph–
3 p.m.66°F42°F41%9.4 mph–
6 p.m.65°F42°F42%8.8 mph44%
9 p.m.58°F44°F59%5.1 mph50%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00013882. 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 Chattanooga?

The warmest March temperature on Chattanooga's official record (since 1879) is 89°F, on March 22, 1907; the coldest is 2°F, on March 7, 1899. The wettest March brought 16.32 in (1980); the snowiest, 20.0 inches (1993).

The March mean against the 1991-2020 normal of 53.2°F: 2021 57.0°F (+3.8), 2022 55.6°F (+2.4), 2023 54.9°F (+1.7), 2024 56.8°F (+3.6), 2025 56.1°F (+2.9), 2026 60.8°F (+7.6). 6 of 6 ran warmer than normal.

Chattanooga: March in recent years against the 1991-2020 normal
MarchMeanAgainst normalPrecip.
202157.0°F+3.8°F12.06 in
202255.6°F+2.4°F6.18 in
202354.9°F+1.7°F5.38 in
202456.8°F+3.6°F5.24 in
202556.1°F+2.9°F5.45 in
202660.8°F+7.6°F3.28 in

Source: records: ACIS, NWS threaded record CHAthr; recent months: ACIS, station USW00013882. Records and recent months use complete months only.

How does March in Chattanooga 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; Chattanooga's is 64°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

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