Average temperature in May is 19.3 °C
Average daytime temperature is 26 °C
Average night temperature is 13.7 °C
Absolute maximum temperature: 29.5 °C
Absolute minimum temperature: 4.9 °C
Number of sunny days: 11
Number of rainy days: 20
Number of snow days:
Precipitation sum: 80 mm
* Weather data for Knoxville United States is based on climate observations for 2023 year
| May (°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 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 16.2 | 17.3 | 18.1 | 22.5 | 25.8 | 25.1 | 27.3 | 26.9 | 27.4 | 28.4 | 29.5 | 27.4 | 28.7 | 29.3 | 29.2 | 28.9 | 26.8 | 28.3 | 27.4 | 24 | 26.6 | 28.1 | 27.5 | 28.2 | 29.1 | 28.4 | 24.6 | 19.8 | 23.1 | 28.4 | 28 |
| Apparent max temperature | 9.6 | 11.5 | 15.7 | 21.6 | 24.9 | 23.8 | 27.3 | 28.4 | 29.9 | 30 | 30.5 | 29 | 30.6 | 32.4 | 32.4 | 31.1 | 26.9 | 29.8 | 29.6 | 24.7 | 26 | 28.8 | 26.9 | 27.8 | 27.8 | 28.2 | 23.6 | 16.8 | 22.8 | 29.9 | 30.3 |
| Mean temperature | 11.3 | 12.6 | 12.5 | 13.1 | 16.8 | 18.1 | 20 | 20.4 | 21.6 | 21 | 21.2 | 20.5 | 21.8 | 22.5 | 21.6 | 22.9 | 20.9 | 20.3 | 21 | 20.6 | 19.6 | 20.4 | 21.2 | 20.2 | 21 | 21.8 | 19.8 | 15.1 | 16.6 | 20.3 | 21.9 |
| Apparent mean temperature | 3.5 | 3.9 | 4.2 | 2.2 | 7.9 | 13.7 | 14 | 17.4 | 18.1 | 12.8 | 15.6 | 16.4 | 16.8 | 19.7 | 17.1 | 19.9 | 17.9 | 12.7 | 14.6 | 18.2 | 12.9 | 12.9 | 13.6 | 11.1 | 12.1 | 14.2 | 11.7 | 11.1 | 11 | 13.7 | 16.2 |
| Minimum temperature | 6.9 | 7.3 | 7.8 | 4.9 | 10.3 | 14.2 | 14.5 | 16.7 | 17.1 | 13.5 | 15.8 | 15.2 | 16 | 17.8 | 16.1 | 18.5 | 17.1 | 14 | 14.5 | 17.8 | 14.5 | 13.8 | 14.5 | 12.1 | 13.2 | 14.5 | 14.2 | 12.5 | 11.9 | 13.6 | 15.3 |
| Apparent min temperature | 6.9 | 8.3 | 8.9 | 11 | 14.8 | 17 | 19.6 | 21.3 | 23.3 | 21 | 21.7 | 22 | 23.2 | 24.9 | 24 | 24.3 | 21.7 | 19.7 | 22 | 21 | 19.2 | 19.9 | 20.8 | 18.9 | 19.7 | 21.2 | 17.3 | 13.7 | 16.3 | 20.9 | 23.2 |
| May | 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 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 13.6 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 14 | 14 | 14 | 14 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.4 | 14.4 | 14.4 | 14.4 |
| Sunshine duration (h) | 11 | 11.7 | 12.8 | 12.9 | 12 | 4.5 | 9.1 | 7 | 12 | 13 | 12.1 | 9.8 | 12.5 | 9.6 | 12 | 12 | 10.8 | 12.3 | 12.1 | 4.3 | 12.3 | 12.2 | 13 | 13 | 12.2 | 13 | 4.7 | 0.9 | 5.7 | 13 | 13 |
| Precipitation (mm) | 0.1 | 0.4 | 0 | 0 | 0 | 0 | 2.2 | 27.4 | 3.5 | 0 | 2 | 3.9 | 0 | 3.2 | 6 | 4.1 | 2.8 | 3.5 | 0.2 | 8.9 | 0.4 | 0.2 | 0 | 0 | 0 | 0 | 0 | 10.5 | 0.1 | 0.2 | 0.4 |
| Precipitation hours | 1 | 2 | 0 | 0 | 0 | 0 | 3 | 15 | 5 | 0 | 2 | 5 | 0 | 5 | 2 | 4 | 5 | 3 | 1 | 9 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 17 | 1 | 2 | 2 |
| Wind speed (m/s) | 31.3 | 29.5 | 17.7 | 11 | 19.4 | 19.3 | 20.4 | 16.9 | 15.5 | 17 | 9.9 | 19.3 | 12.6 | 13.5 | 19.9 | 22.3 | 14.5 | 14.8 | 9.4 | 19.4 | 15.7 | 13.2 | 16.9 | 17.1 | 15.7 | 19.2 | 18.5 | 20.6 | 11.3 | 12.8 | 9.4 |
In May 2023, the highest daytime temperature in Knoxville was 29.5°C.
While the minimum temperature at night dropped to 4.9°C.
The average nighttime and daytime temperatures during May in Knoxville are 13.7°C and 26°C respectively.
The precipitation sum in May is about 80 mm.