Average temperature in July is 16 °C
Average daytime temperature is 19.1 °C
Average night temperature is 12.7 °C
Absolute maximum temperature: 24.9 °C
Absolute minimum temperature: 7.6 °C
Number of sunny days: 1
Number of rainy days: 30
Number of snow days:
Precipitation sum: 202 mm
* Weather data for Cardiff United Kingdom is based on climate observations for 2023 year
| July (°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 | 19.6 | 18 | 17.4 | 16.1 | 17.7 | 20.2 | 24.9 | 22.8 | 21.2 | 19.5 | 18.5 | 18.5 | 18.9 | 19.9 | 18.2 | 17 | 18.3 | 18.7 | 20.8 | 19.9 | 18.7 | 17.1 | 19.4 | 17.6 | 19 | 18 | 20.3 | 20.4 | 18 | 17.8 | 18.2 |
| Apparent max temperature | 16 | 14 | 12.9 | 15.8 | 15 | 17.2 | 24.2 | 23.5 | 21.7 | 17.6 | 17 | 16 | 17.1 | 19.5 | 15 | 14.4 | 16.3 | 18.8 | 20.2 | 20.2 | 16.7 | 15.9 | 18.2 | 16.9 | 17.6 | 16.9 | 19.5 | 19.9 | 15.4 | 16.6 | 16 |
| Mean temperature | 17 | 15 | 14.6 | 13.6 | 14.5 | 16.7 | 20.2 | 19.1 | 16.5 | 16.4 | 16.5 | 15.8 | 16.1 | 16.1 | 15.8 | 14.9 | 15 | 15 | 16.9 | 15.1 | 14.8 | 15.6 | 17 | 15.3 | 14.3 | 14.3 | 18.1 | 17.5 | 16.2 | 16.3 | 16.8 |
| Apparent mean temperature | 12.2 | 9.2 | 9.8 | 7.9 | 8.7 | 11.7 | 14 | 14.3 | 12.1 | 12.5 | 13.2 | 11.8 | 12.6 | 12.4 | 11 | 10.2 | 10.3 | 10.6 | 11.2 | 7.4 | 7.7 | 12.3 | 14 | 11.2 | 7.9 | 5.8 | 15.8 | 14.4 | 11.9 | 11.4 | 13.5 |
| Minimum temperature | 14 | 10.8 | 11.8 | 9.5 | 10.1 | 12.9 | 15.2 | 14.2 | 12.6 | 13 | 14.4 | 13.4 | 13.8 | 14 | 14.3 | 13.1 | 12.4 | 10.7 | 12.3 | 8.5 | 9.8 | 13.9 | 14.9 | 12 | 9.1 | 7.6 | 16.2 | 15.6 | 14.4 | 13.6 | 14.9 |
| Apparent min temperature | 14.4 | 11.8 | 11.3 | 12.3 | 12 | 14.4 | 19.1 | 19 | 16 | 15.4 | 15 | 13.5 | 14.8 | 14.6 | 13.1 | 12 | 13.1 | 14.7 | 16.3 | 14 | 12.9 | 14.2 | 15.6 | 14.4 | 13 | 13.2 | 17.4 | 16.7 | 13.6 | 14.1 | 14.8 |
| July | 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) | 16.6 | 16.5 | 16.5 | 16.5 | 16.5 | 16.5 | 16.4 | 16.4 | 16.4 | 16.3 | 16.3 | 16.3 | 16.3 | 16.2 | 16.2 | 16.1 | 16.1 | 16.1 | 16 | 16 | 15.9 | 15.9 | 15.9 | 15.8 | 15.8 | 15.7 | 15.7 | 15.6 | 15.6 | 15.5 | 15.5 |
| Sunshine duration (h) | 13.9 | 14.9 | 13.3 | 0 | 14.9 | 14.4 | 14.9 | 8.1 | 13.5 | 1.9 | 8.3 | 13.7 | 12.1 | 3.4 | 13.4 | 13.5 | 12.2 | 3.3 | 13.8 | 14.3 | 13.3 | 0 | 14.2 | 9.5 | 14.5 | 5.8 | 6.7 | 7.1 | 13.8 | 4 | 6.4 |
| Precipitation (mm) | 0.1 | 0.1 | 3 | 5.6 | 0 | 0.9 | 0.3 | 1.1 | 8.7 | 25.5 | 8.1 | 1.5 | 1.8 | 38.2 | 15.5 | 5.4 | 1.8 | 5.1 | 1 | 2.2 | 1.4 | 33.9 | 2 | 1.9 | 0.9 | 16.8 | 2.4 | 0.7 | 2.3 | 11.3 | 3 |
| Precipitation hours | 1 | 1 | 7 | 20 | 0 | 7 | 3 | 5 | 10 | 17 | 14 | 11 | 14 | 15 | 23 | 20 | 13 | 15 | 6 | 6 | 6 | 19 | 9 | 7 | 3 | 12 | 7 | 7 | 13 | 23 | 13 |
| Wind speed (m/s) | 31.3 | 31.9 | 33.7 | 15.6 | 26 | 26.9 | 19.8 | 19.4 | 20.5 | 31.2 | 27.3 | 28.2 | 25.2 | 32.3 | 33.8 | 29.7 | 25.2 | 15 | 16.7 | 13.3 | 21.7 | 25.3 | 27 | 22.6 | 19.5 | 23 | 24.6 | 22.3 | 32.9 | 31.1 | 30.3 |
In July 2023, the highest daytime temperature in Cardiff was 24.9°C.
While the minimum temperature at night dropped to 7.6°C.
The average nighttime and daytime temperatures during July in Cardiff are 12.7°C and 19.1°C respectively.
The precipitation sum in July is about 202 mm.