Average temperature in May is 14.7 °C
Average daytime temperature is 22.1 °C
Average night temperature is 8.7 °C
Absolute maximum temperature: 28.1 °C
Absolute minimum temperature: 3.9 °C
Number of sunny days: 20
Number of rainy days: 11
Number of snow days:
Precipitation sum: 37 mm
* Weather data for Newcastle South Africa 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 | 26.6 | 28.1 | 25.5 | 27.7 | 26.3 | 26.3 | 20.3 | 19.5 | 18.5 | 20.4 | 24.9 | 23.4 | 21.1 | 23.6 | 14.4 | 20.3 | 22.3 | 22.2 | 16.7 | 18.8 | 20.4 | 16.2 | 20.7 | 22.2 | 26.7 | 22.2 | 20.9 | 25.3 | 23.7 | 21.6 | 19.3 |
| Apparent max temperature | 25.2 | 26.8 | 25.2 | 25 | 25.9 | 24.5 | 20.5 | 18.3 | 17.8 | 19.7 | 24.1 | 21.7 | 21.6 | 22.3 | 12.7 | 19.1 | 20.8 | 19.2 | 16.4 | 16.6 | 15.8 | 14.6 | 17.2 | 19.8 | 23 | 19.7 | 19.7 | 23.1 | 21.9 | 19.3 | 16.2 |
| Mean temperature | 18.2 | 18.8 | 17.3 | 19.1 | 17.8 | 18.6 | 15.3 | 14.2 | 13 | 14.1 | 14.7 | 14.8 | 15.8 | 15.7 | 12.1 | 12.2 | 13.5 | 14.2 | 11.9 | 10.3 | 13.2 | 9.8 | 12.2 | 12.9 | 16.6 | 15.3 | 13.8 | 16 | 15.3 | 14.6 | 13.5 |
| Apparent mean temperature | 10.5 | 10.4 | 10.1 | 9.6 | 10 | 12.8 | 11.2 | 11.8 | 6.4 | 7.5 | 4.3 | 5.2 | 11.5 | 11.6 | 6.5 | 3.1 | 3.4 | 6 | 8.5 | 0.8 | -0.4 | 2.6 | 4.4 | 1.8 | 3.2 | 6.5 | 8 | 9.1 | 5.8 | 8.2 | 4.1 |
| Minimum temperature | 11.4 | 11.9 | 11.1 | 11.1 | 11.3 | 14.1 | 12 | 11.9 | 7.6 | 8.5 | 5.9 | 6.9 | 11.8 | 11.7 | 8.1 | 5.3 | 6.3 | 7.8 | 9.6 | 3.9 | 4.2 | 5.7 | 6.2 | 4.6 | 7 | 9.7 | 9.9 | 10.7 | 7.4 | 9.2 | 6.4 |
| Apparent min temperature | 16.8 | 17.7 | 17.1 | 16.9 | 16.5 | 17.7 | 15.1 | 14 | 12.2 | 13.2 | 13.3 | 13.4 | 15.9 | 15.2 | 10.7 | 10.3 | 10.9 | 12 | 10.5 | 8.1 | 9.3 | 7.8 | 9.9 | 10.3 | 13.5 | 12 | 12.3 | 14.4 | 14 | 13 | 11.5 |
| 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) | 11 | 11 | 11 | 11 | 11 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 10.5 | 10.5 | 10.5 | 10.5 |
| Sunshine duration (h) | 10 | 10 | 10 | 10 | 10 | 8 | 6.1 | 3.3 | 9.6 | 10 | 10 | 9.9 | 9.9 | 8.2 | 2.5 | 9.9 | 9.9 | 9.9 | 9.1 | 9.8 | 9.8 | 6.5 | 9.5 | 9.8 | 9.8 | 9.7 | 4.7 | 9.7 | 9.7 | 9.4 | 9.7 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 2.3 | 4 | 13.5 | 0.4 | 0 | 0 | 0 | 2.1 | 4.8 | 0.9 | 0 | 0 | 0 | 5.3 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 2.4 | 0 | 0 | 0 | 1.4 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 5 | 10 | 13 | 3 | 0 | 0 | 0 | 5 | 6 | 7 | 0 | 0 | 0 | 10 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 8 |
| Wind speed (m/s) | 19.2 | 14 | 17 | 18.9 | 13.4 | 14.8 | 10.7 | 7.9 | 6.8 | 8.6 | 9.5 | 12.8 | 11.5 | 12.7 | 13.6 | 15.8 | 16.1 | 18.6 | 18.7 | 13.5 | 21.6 | 10.6 | 16.6 | 10.8 | 19.6 | 26.1 | 16.2 | 13.5 | 15.4 | 12.7 | 22.2 |
In May 2023, the highest daytime temperature in Newcastle was 28.1°C.
While the minimum temperature at night dropped to 3.9°C.
The average nighttime and daytime temperatures during May in Newcastle are 8.7°C and 22.1°C respectively.
The precipitation sum in May is about 37 mm.