Cardiff
August
Weather in Cardiff for August 2027
Your guide to Cardiff weather in August - trends and predictions
In general, the average temperature in Cardiff at the beginning of August is 20 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 19.5 °C by the end of August.
The climate of Cardiff in August is notably wet, with an average of 11 rainy days, and a total of 66.2 mm of precipitation.
Is August a good time to visit Cardiff? check out the best time to travel to Cardiff page.
✨ Is August a good time to visit Cardiff? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
20
Dry days
11
Rainy days
0
Snow days
21°/13°
Temperatures
24 km/h
Avg max wind
75 %
Avg humidity
Cardiff Weather August
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Temperatures trend during August in Cardiff
See the weather trend as well as the moving average line
August weather in Cardiff day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 20° /12° | 1 mm | 6 | |
| 2 Aug. |  Light rain | 21° /12° | 3.8 mm | 6 | |
| 3 Aug. |  Cloudy | 21° /13° | 0.7 mm | 5 | |
| 4 Aug. | Light rain | 20° /13° | 3 mm | 4 | |
| 5 Aug. | Light rain | 20° /12° | 5.4 mm | 5 | |
| 6 Aug. | Patchy rain possible | 19° /11° | 1.3 mm | 5 | |
| 7 Aug. | Cloudy | 19° /11° | 0.4 mm | 5 | |
| 8 Aug. | Patchy rain possible | 20° /12° | 2 mm | 5 | |
| 9 Aug. | Patchy rain possible | 21° /14° | 0.1 mm | 5 | |
| 10 Aug. | Patchy rain possible | 23° /14° | 0.2 mm | 6 | |
| 11 Aug. |  Partly cloudy | 25° /14° | 0.2 mm | 7 | |
| 12 Aug. | Patchy rain possible | 25° /15° | 1.6 mm | 6 | |
| 13 Aug. | Patchy rain possible | 24° /15° | 0.5 mm | 6 | |
| 14 Aug. | Light rain | 21° /14° | 6.5 mm | 5 | |
| 15 Aug. | Patchy rain possible | 23° /14° | 0.8 mm | 6 | |
| 16 Aug. | Partly cloudy | 23° /11° | 0 mm | 6 | |
| 17 Aug. | Patchy rain possible | 22° /13° | 0.2 mm | 5 | |
| 18 Aug. | Light rain | 22° /15° | 3.2 mm | 4 | |
| 19 Aug. | Light rain | 21° /14° | 4.7 mm | 4 | |
| 20 Aug. | Patchy rain possible | 20° /13° | 0.9 mm | 4 | |
| 21 Aug. | Patchy rain possible | 19° /11° | 0.8 mm | 5 | |
| 22 Aug. | Patchy rain possible | 20° /12° | 0.5 mm | 5 | |
| 23 Aug. | Patchy rain possible | 20° /13° | 1.6 mm | 5 | |
| 24 Aug. | Light rain | 21° /12° | 3.3 mm | 5 | |
| 25 Aug. | Light rain shower | 22° /12° | 0.9 mm | 4 | |
| 26 Aug. | Patchy rain possible | 20° /13° | 1.9 mm | 4 | |
| 27 Aug. | Light rain | 21° /13° | 3.3 mm | 4 | |
| 28 Aug. | Light rain | 18° /13° | 4.5 mm | 4 | |
| 29 Aug. | Light rain | 19° /12° | 4.5 mm | 3 | |
| 30 Aug. | Light rain | 19° /11° | 6.4 mm | 4 | |
| 31 Aug. | Light rain shower | 18° /12° | 2 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Cardiff in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cardiff forecast closer to your planned date for the most up-to-date weather information.
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Cardiff in August - FAQ
What are the expected maximum and minimum temperatures in Cardiff during August?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Cardiff during August?
Moderate rainfall is anticipated in Cardiff during August, with a total of 66.2 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cardiff during August?
The average wind speed in Cardiff during August is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Cardiff
Explore the daily rainfall trends and prepare for Cardiffs August weather 💧
Typically, Cardiff has 11 rainy days in August with a total of 66.2 mm of rainfall.
UV exposure in Cardiff during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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