Chattanooga weather in April: Chattanooga, Tennessee: normal highs, lows, rain and records for April
Chattanooga in April has a normal high of 74°F and a normal low of 50°F, a daily mean of 62°F, rising from 69°F on the 1st to 77°F by the 30th. Measurable precipitation falls on 10 days in a normal April, 4.87 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 10°C, 124 mm of precipitation in April.
- NOAA stationChattanooga Airport
- Station IDUSW00013882
- Location35.03°N 85.20°W
- Elevation671 ft (205 m)
- From the center4 miles
- Population191,496
- Jan 51° 32°
- Feb 56° 36°
- Mar 64° 42°
- Apr 74° 50°
- May 81° 59°
- Jun 88° 67°
- Jul 91° 71°
- Aug 90° 70°
- Sep 84° 64°
- Oct 74° 51°
- Nov 62° 40°
- 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 April?
The normal high is 74°F and the normal low 50°F, for a daily mean of 61.7°F. April is 8.5°F warmer than March and 8.3°F cooler than May. April is the 7th warmest month of the year in Chattanooga and the 6th wettest. Across the month the normal high rises 8°F, from 69°F on April 1 to 77°F on April 30. From one year to the next April's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 59°F and 64°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 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 69°F | 46°F | 35% | 26% |
| April 8 | 72°F | 48°F | 35% | 25% |
| April 15 | 74°F | 50°F | 35% | 26% |
| April 22 | 76°F | 52°F | 35% | 25% |
| April 30 | 77°F | 54°F | 35% | 24% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 69°F | 46°F | 35% | 26% | 12 h 30 min |
| April 2 | 70°F | 46°F | 35% | 26% | 12 h 30 min |
| April 3 | 70°F | 46°F | 35% | 26% | 12 h 40 min |
| April 4 | 70°F | 47°F | 35% | 25% | 12 h 40 min |
| April 5 | 71°F | 47°F | 35% | 25% | 12 h 40 min |
| April 6 | 71°F | 47°F | 35% | 25% | 12 h 40 min |
| April 7 | 71°F | 48°F | 35% | 25% | 12 h 50 min |
| April 8 | 72°F | 48°F | 35% | 25% | 12 h 50 min |
| April 9 | 72°F | 48°F | 35% | 25% | 12 h 50 min |
| April 10 | 72°F | 48°F | 35% | 26% | 12 h 50 min |
| April 11 | 73°F | 49°F | 35% | 26% | 12 h 50 min |
| April 12 | 73°F | 49°F | 35% | 26% | 13 h |
| April 13 | 73°F | 49°F | 35% | 26% | 13 h |
| April 14 | 73°F | 49°F | 35% | 26% | 13 h |
| April 15 | 74°F | 50°F | 35% | 26% | 13 h |
| April 16 | 74°F | 50°F | 35% | 26% | 13 h |
| April 17 | 74°F | 50°F | 35% | 26% | 13 h 10 min |
| April 18 | 74°F | 51°F | 35% | 26% | 13 h 10 min |
| April 19 | 75°F | 51°F | 35% | 26% | 13 h 10 min |
| April 20 | 75°F | 51°F | 35% | 26% | 13 h 10 min |
| April 21 | 75°F | 51°F | 35% | 25% | 13 h 10 min |
| April 22 | 76°F | 52°F | 35% | 25% | 13 h 20 min |
| April 23 | 76°F | 52°F | 35% | 25% | 13 h 20 min |
| April 24 | 76°F | 52°F | 35% | 25% | 13 h 20 min |
| April 25 | 76°F | 53°F | 35% | 25% | 13 h 20 min |
| April 26 | 76°F | 53°F | 35% | 25% | 13 h 20 min |
| April 27 | 77°F | 53°F | 35% | 25% | 13 h 30 min |
| April 28 | 77°F | 54°F | 35% | 25% | 13 h 30 min |
| April 29 | 77°F | 54°F | 35% | 24% | 13 h 30 min |
| April 30 | 77°F | 54°F | 35% | 24% | 13 h 30 min |
- Normal high
- 74°FApril average
- Normal low
- 50°FApril average
- Precipitation
- 4.87 inmonth total
- Days with precipitation
- 100.01 inch or more
- Daylight
- 12 h 30 min to 13 h 30 minApril 1 to April 30
- Days at 70°F or more
- 21
- Days at 80°F or more
- 9
- Sunshine
- 74%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 in Chattanooga in April?
On a given April day the chance of 0.01 inch or more is 35% on average, highest around April 20 (35%). In all, 4.87 in falls on 10 days of a normal April, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013882.
How humid and windy is Chattanooga in April?
At 3 p.m. the normal temperature is 74°F with 45% relative humidity and a dew point of 51°F; at 6 a.m. it is 55°F with 87% humidity. The wind averages 5.3 mph, most often from the southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 55°F | 51°F | 87% | 2.5 mph | 41% |
| 9 a.m. | 63°F | 53°F | 69% | 5.4 mph | 44% |
| noon | 71°F | 52°F | 51% | 8.0 mph | 36% |
| 3 p.m. | 74°F | 51°F | 45% | 8.8 mph | 32% |
| 6 p.m. | 73°F | 51°F | 47% | 8.1 mph | 38% |
| 9 p.m. | 65°F | 53°F | 66% | 3.8 mph | 49% |
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 April in Chattanooga?
The warmest April temperature on Chattanooga's official record (since 1879) is 93°F, on April 30, 1942; the coldest is 25°F, on April 2, 1881. The wettest April brought 15.29 in (1911); the snowiest, 4.1 inches (1910).
The April mean against the 1991-2020 normal of 61.7°F: 2021 61.1°F (−0.6), 2022 61.0°F (−0.7), 2023 61.3°F (−0.4), 2024 64.3°F (+2.6), 2025 65.0°F (+3.3), 2026 66.5°F (+4.8). 3 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 61.1°F | −0.6°F | 1.62 in |
| 2022 | 61.0°F | −0.7°F | 3.26 in |
| 2023 | 61.3°F | −0.4°F | 4.51 in |
| 2024 | 64.3°F | +2.6°F | 3.13 in |
| 2025 | 65.0°F | +3.3°F | 5.07 in |
| 2026 | 66.5°F | +4.8°F | 3.48 in |
Source: records: ACIS, NWS threaded record CHAthr; recent months: ACIS, station USW00013882. Records and recent months use complete months only.
How does April in Chattanooga compare across Tennessee?
Across the 116 places PlainClimate covers in Tennessee, April normal highs run from 65°F in Roan Mountain to 75°F in Ardmore; Chattanooga's is 74°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.