Average temperature in April is 14.6 °C
Average daytime temperature is 21 °C
Average night temperature is 9 °C
Absolute maximum temperature: 29.2 °C
Absolute minimum temperature: 2.1 °C
Number of sunny days: 14
Number of rainy days: 16
Number of snow days:
Precipitation sum: 97 mm
* Weather data for Knoxville United States is based on climate observations for 2023 year
| Aprile (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 23.2 | 16.1 | 15.8 | 26.4 | 28.4 | 25.3 | 16.7 | 9.7 | 18.3 | 19.3 | 20.7 | 22.8 | 27.2 | 21.2 | 22.6 | 22.6 | 17.7 | 24.6 | 27.1 | 29.2 | 27.3 | 21.1 | 14.6 | 16 | 19 | 14.9 | 17.4 | 22.6 | 22.2 | 19.4 |
| Apparent max temperature | 18.5 | 15.7 | 15.2 | 28.1 | 27.2 | 28 | 14.1 | 7.2 | 15.1 | 18.5 | 21 | 23.6 | 27.9 | 21.5 | 22.5 | 22.4 | 13.5 | 22.5 | 25.8 | 26.9 | 24.1 | 20 | 11.4 | 14.1 | 16 | 14.7 | 18.1 | 22.5 | 23.7 | 18.9 |
| Mean temperature | 19.2 | 8.8 | 11 | 17 | 22.5 | 19.4 | 11.2 | 9.2 | 10.8 | 10.9 | 12.9 | 15 | 16.3 | 16.6 | 16 | 17.8 | 12.2 | 14.4 | 17.9 | 20 | 21 | 15.9 | 10.5 | 9.4 | 10.7 | 10.9 | 13.1 | 16.4 | 16.6 | 15.8 |
| Apparent mean temperature | 12.3 | -1.1 | 4 | 9.2 | 18.2 | 14.6 | 6.6 | 5.7 | 2.1 | -0.9 | 2 | 5.9 | 5.3 | 10.8 | 11.7 | 13.7 | 3.6 | 4.4 | 6.8 | 10.4 | 12.6 | 8.3 | 2.2 | -0.4 | -0.6 | 4.7 | 8.5 | 12 | 9.5 | 8.2 |
| Minimum temperature | 16.2 | 2.1 | 7.1 | 10.6 | 17.5 | 14.5 | 9.5 | 8.2 | 5.2 | 2.4 | 5.1 | 7.5 | 6.8 | 11.5 | 11.9 | 14.2 | 6.8 | 7.5 | 9.3 | 12.2 | 13.7 | 9.3 | 4.8 | 2.6 | 3.4 | 7 | 9.5 | 11.9 | 10.2 | 12.5 |
| Apparent min temperature | 16.3 | 6.3 | 9 | 16.6 | 22.5 | 19.9 | 8.6 | 6.6 | 7.9 | 8.7 | 11.5 | 14.2 | 15.2 | 16.2 | 15.8 | 16.9 | 8.5 | 11.6 | 16.2 | 18.2 | 18.8 | 13.8 | 7.5 | 6.5 | 6.8 | 9.3 | 12.5 | 16.3 | 16.4 | 14.3 |
| Aprile | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 13 | 13 | 13 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.5 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 |
| Sunshine duration (h) | 11.1 | 11.6 | 2.4 | 8.2 | 11.1 | 9.2 | 0 | 0 | 11.3 | 12 | 12.1 | 12.1 | 12.2 | 7.3 | 10.4 | 11.5 | 12.3 | 12.4 | 12.4 | 12.4 | 10.4 | 11.7 | 11.2 | 12.6 | 11.7 | 0.9 | 0.1 | 10.8 | 9.5 | 9.3 |
| Precipitation (mm) | 16.5 | 0 | 1.2 | 0 | 0 | 1.6 | 17.5 | 9.8 | 0.3 | 0 | 0 | 0 | 0 | 3.5 | 0.1 | 2.1 | 0 | 0 | 0 | 0 | 0 | 15.8 | 0 | 0 | 0.4 | 3.2 | 9.9 | 11 | 0.1 | 3.6 |
| Precipitation hours | 5 | 0 | 3 | 0 | 0 | 2 | 13 | 19 | 3 | 0 | 0 | 0 | 0 | 6 | 1 | 7 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 2 | 5 | 10 | 11 | 1 | 7 |
| Wind speed (m/s) | 36.7 | 21.3 | 10.4 | 17.6 | 26.7 | 15.9 | 20.7 | 17 | 20.2 | 9.7 | 10.7 | 7.3 | 14.2 | 13.2 | 9.2 | 28.4 | 23.9 | 18.2 | 14.2 | 20.1 | 21.1 | 21 | 13.3 | 14.8 | 15.6 | 9.1 | 11.2 | 18.9 | 13.3 | 32.3 |
In April 2023, the highest daytime temperature in Knoxville was 29.2°C.
While the minimum temperature at night dropped to 2.1°C.
The average nighttime and daytime temperatures during April in Knoxville are 9°C and 21°C respectively.
The precipitation sum in April is about 97 mm.