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Weather in Wales for August 2025

Your guide to Wales weather in August - trends and predictions
  • In general, the average temperature in Wales at the beginning of August is 19 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 18.1 °C by the end of August.

  • Wales experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.

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Average dry days
10
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/13°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Wales in August average weather

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Temperatures trend during August in Wales

See the weather trend as well as the moving average line

August weather day by day

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Date Weather Temperatures Rain UV More
1 Aug. Moderate rain at times
Moderate rain at times
20° /13° 2 mm 5
2 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /13° 7.5 mm 5
3 Aug. Heavy rain at times
Heavy rain at times
19° /13° 1.3 mm 4
4 Aug. Overcast
Overcast
18° /11° 0 mm 4
5 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /12° 10.4 mm 5
6 Aug. Patchy rain possible
Patchy rain possible
18° /11° 2.6 mm 4
7 Aug. Cloudy
Cloudy
18° /11° 0.6 mm 4
8 Aug. Moderate rain at times
Moderate rain at times
18° /12° 4.1 mm 4
9 Aug. Cloudy
Cloudy
20° /13° 0.1 mm 5
10 Aug. Patchy rain possible
Patchy rain possible
22° /14° 0.4 mm 5
11 Aug. Patchy rain possible
Patchy rain possible
23° /14° 0.3 mm 6
12 Aug. Heavy rain at times
Heavy rain at times
20° /13° 3.3 mm 5
13 Aug. Patchy rain possible
Patchy rain possible
20° /13° 1 mm 5
14 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
19° /12° 12.7 mm 4
15 Aug. Patchy rain possible
Patchy rain possible
21° /12° 1.7 mm 5
16 Aug. Partly cloudy
Partly cloudy
20° /11° 0.1 mm 6
17 Aug. Patchy rain possible
Patchy rain possible
20° /12° 0.1 mm 5
18 Aug. Moderate rain at times
Moderate rain at times
20° /14° 6.2 mm 5
19 Aug. Patchy rain possible
Patchy rain possible
19° /13° 7.6 mm 5
20 Aug. Patchy rain possible
Patchy rain possible
19° /13° 0.8 mm 5
21 Aug. Patchy rain possible
Patchy rain possible
19° /12° 0.5 mm 5
22 Aug. Patchy rain possible
Patchy rain possible
19° /14° 1 mm 4
23 Aug. Patchy rain possible
Patchy rain possible
19° /14° 3.2 mm 5
24 Aug. Cloudy
Cloudy
19° /11° 6.6 mm 5
25 Aug. Light rain shower
Light rain shower
17° /10° 1.6 mm 4
26 Aug. Light rain shower
Light rain shower
18° /11° 1.7 mm 5
27 Aug. Patchy rain possible
Patchy rain possible
19° /11° 0.2 mm 5
28 Aug. Partly cloudy
Partly cloudy
18° /12° 0.9 mm 5
29 Aug. Patchy rain possible
Patchy rain possible
19° /11° 0.1 mm 4
30 Aug. Patchy rain possible
Patchy rain possible
18° /9° 0.2 mm 5
31 Aug. Light rain shower
Light rain shower
18° /11° 1.5 mm 5
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Important Notice
Our weather forecast for Wales 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 Wales forecast closer to your planned date for the most up-to-date weather information.

Wales in August - FAQ

What are the expected maximum and minimum temperatures in Wales during August?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Wales during August?
Significant rainfall exceeding 102.7 mm is expected in Wales during August, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Wales during August?
The average wind speed in Wales during August is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Wales

Explore the daily rainfall trends and prepare for Waless August weather 💧

UV exposure in Wales during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Location coordinates Where is Wales?

Get accurate weather forecasts for Wales, located at latitude 51.48 and longitude -3.18. Stay updated with localized weather information tailored for Wales.

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