Chattanooga, TN weather in April
In April, Chattanooga sees highs around 74°F and lows around 50°F: mild, with frequent rain. Rain falls on about 10 days. Great for outdoor plans.
- Normal high
- 74°F
- Normal low
- 50°F
- Wet days
- 10
- 4.9 in total
- Muggy days
- 0
- dew point 65°F+
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 69°F | 77°F |
| Normal low | 46°F | 54°F |
| Chance of a wet day | 35% | 35% |
| Sunrise / sunset | 7:27 am / 8:02 pm | 6:51 am / 8:25 pm |
| Daylight | 12.6 h | 13.6 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 April day
- 6 am52°Fdew point 47°F
- 9 am59°Fdew point 48°F
- Noon67°Fdew point 48°F
- 3 pm71°Fdew point 47°F
- 6 pm70°Fdew point 46°F
- 9 pm62°Fdew point 49°F
NOAA hourly normals (local standard time) from Chattanooga Lovell Airport (6 mi away); average wind 6 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F16 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow10 of 30
- Notable rainat least 0.10 in8 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain in April
Normal precipitation is 4.9 in; a dry April brings about 3.1 in and a wet one about 6.7 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How April varies from year to year
- Warmest April, 1991-20202017: average high 78°F
- Coolest April1997: average high 68°F
- Wettest April2017: 10.4 in
- Driest April2012: 0.7 in
- Highest reading91°F (April 19, 2002)
- Lowest reading25°F (April 3, 1992)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 64°F | 74°F | 81°F |
| Normal low | 42°F | 50°F | 59°F |
| Wet days | 11 | 10 | 11 |
| Comfortable days | 14 | 16 | 9 |
| Daylight | 12.0 h | 13.1 h | 14.0 h |
Highs change by +10°F from March and +7°F into May.
Nearby alternatives in April
- Warmer: Montgomery, AL194 mi · high 79°F · 8 wet days
- Cooler: Lexington, KY213 mi · high 67°F · 13 wet days
How Chattanooga ranks in April
- Normal high130th warmest of 378 cities; 1st of 7 in Tennessee
- Wet days231st driest of 378
- Comfortable days59th most of 340
What to pack for Chattanooga in April
- A rain jacket or umbrella – rain on about 10 days
Heating and cooling
April has 147 heating degree days and 50 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Chattanooga in April?
The normal high is 74°F and the normal low is 50°F. From 1991 to 2020 the hottest April reading was 91°F (most recently on April 19, 2002).
Does it rain a lot in Chattanooga in April?
About 10 days in April have at least 0.01 in of precipitation, and the normal total is 4.9 in. The wettest April in 1991-2020 was in 2017 (10.4 in); the driest was in 2012 (0.7 in).
Is April a good time to visit Chattanooga?
April ranks 1st of 12 months on our comfort score for Chattanooga (70 out of 100). It has about 16 comfortable days. The best months are April and October.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Chattanooga Lovell Airport (USW00013882), 6.2 mi E of the city center, 671 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Lovell Field Airport (723240-13882), 6.3 mi E of the city center, 669 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).