Average temperature in August is 16.3 °C
Average daytime temperature is 19 °C
Average night temperature is 13.4 °C
Absolute maximum temperature: 23.5 °C
Absolute minimum temperature: 9.5 °C
Number of sunny days:
Number of rainy days: 31
Number of snow days:
Precipitation sum: 150 mm
* Weather data for Swansea United Kingdom is based on climate observations for 2023 year
| August (°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 | 18.2 | 19.1 | 18.4 | 17.5 | 18.2 | 18 | 17.6 | 18.2 | 19.9 | 23.5 | 19.6 | 18 | 18.1 | 19.6 | 20.4 | 21.4 | 22.8 | 20.9 | 19.4 | 20.2 | 19.8 | 18.5 | 20.5 | 19 | 16.5 | 17.1 | 16.8 | 17.3 | 19 | 17.4 | 17.5 |
| Apparent max temperature | 16.7 | 18.4 | 16.8 | 15.1 | 16.1 | 16.1 | 16.2 | 17.6 | 22 | 24.5 | 19.1 | 15.8 | 16.1 | 18.3 | 21.2 | 22.1 | 21.7 | 19.9 | 17.3 | 19.8 | 18.5 | 17.3 | 21.7 | 18.7 | 15.2 | 15.4 | 14.9 | 15.6 | 18.8 | 15.2 | 17.6 |
| Mean temperature | 15.9 | 16.7 | 16.2 | 15.3 | 15.1 | 14.7 | 14.4 | 16.2 | 16.4 | 19.3 | 17.8 | 16.7 | 16.4 | 17.2 | 16.6 | 16.5 | 19.4 | 19 | 17.9 | 17.1 | 17.7 | 17 | 17.5 | 16.1 | 13.9 | 13.8 | 14.5 | 14.7 | 14.9 | 14.1 | 14.8 |
| Apparent mean temperature | 12.2 | 12.5 | 12.8 | 11.8 | 9.2 | 9.9 | 7.9 | 13.8 | 11.3 | 14.8 | 14.4 | 13.5 | 13.4 | 14 | 12.1 | 9.9 | 14.3 | 14.4 | 13.9 | 14.6 | 15.5 | 15.2 | 14.4 | 9.4 | 9.8 | 9.6 | 11.4 | 9.9 | 8.6 | 9.3 | 11.7 |
| Minimum temperature | 13.7 | 14.7 | 14.2 | 13.5 | 12.7 | 11.3 | 9.5 | 13.8 | 11.4 | 15.8 | 16.4 | 15.9 | 15.1 | 14.3 | 12.5 | 10.7 | 15.9 | 16.8 | 16.6 | 15.3 | 15.8 | 14.6 | 14.5 | 10.8 | 10.9 | 10.5 | 12.7 | 11.1 | 10.2 | 10.6 | 12.9 |
| Apparent min temperature | 14.2 | 15.3 | 14.5 | 13.3 | 12.2 | 12.9 | 13.1 | 15.9 | 17.3 | 19.4 | 16.7 | 14.4 | 14.9 | 15.9 | 16.6 | 16.6 | 17.9 | 17.2 | 15.7 | 16.6 | 16.8 | 16.2 | 18.2 | 15.6 | 13.1 | 12.5 | 13 | 13.4 | 14.1 | 12.7 | 14 |
| August | 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) | 15.4 | 15.4 | 15.3 | 15.3 | 15.2 | 15.2 | 15.1 | 15.1 | 15 | 14.9 | 14.9 | 14.8 | 14.8 | 14.7 | 14.7 | 14.6 | 14.5 | 14.5 | 14.4 | 14.3 | 14.3 | 14.2 | 14.2 | 14.1 | 14 | 14 | 13.9 | 13.9 | 13.8 | 13.7 | 13.7 |
| Sunshine duration (h) | 10.1 | 5.9 | 11.9 | 9 | 7.9 | 13.7 | 13.4 | 1.4 | 6.5 | 12.7 | 13 | 4.2 | 5.7 | 8.6 | 12.7 | 13.1 | 13.2 | 0.8 | 12.9 | 9.9 | 9.3 | 7.4 | 8.5 | 7.7 | 6.2 | 12.2 | 5 | 9 | 6.2 | 10.1 | 0 |
| Precipitation (mm) | 7.9 | 12.9 | 0.4 | 0.6 | 19.7 | 0.8 | 0.9 | 6.6 | 0.1 | 3.5 | 2.8 | 6.6 | 9.8 | 24.4 | 0.8 | 0.8 | 0.8 | 14.2 | 4.3 | 2.3 | 2.9 | 1.9 | 3.2 | 0.3 | 3.5 | 7 | 0.5 | 0.3 | 2.5 | 0.6 | 6.7 |
| Precipitation hours | 11 | 19 | 4 | 3 | 16 | 6 | 7 | 16 | 1 | 8 | 16 | 21 | 24 | 17 | 6 | 3 | 3 | 12 | 17 | 14 | 17 | 12 | 3 | 2 | 11 | 9 | 4 | 3 | 10 | 6 | 15 |
| Wind speed (m/s) | 26.6 | 28.8 | 26.2 | 21.7 | 32.4 | 18.9 | 18.9 | 18.1 | 8.6 | 21.8 | 26.5 | 27.6 | 24 | 27.9 | 14.2 | 8.9 | 26.5 | 36.2 | 34.3 | 19.5 | 23.8 | 22 | 9.7 | 16.8 | 16.9 | 17.4 | 20.2 | 18.2 | 20.9 | 16.6 | 24 |
In August 2023, the highest daytime temperature in Swansea was 23.5°C.
While the minimum temperature at night dropped to 9.5°C.
The average nighttime and daytime temperatures during August in Swansea are 13.4°C and 19°C respectively.
The precipitation sum in August is about 150 mm.