Cardiff in august: average Weather, Temperature and Climate
Weather in Cardiff in august 2025
The weather in Cardiff in august comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
good weather
Weather at 6am
58°F
Partly Cloudy
25% of time
22%
21%
15%
Weather at 12pm
67°F
Partly Cloudy
34% of time
27%
21%
16%
Weather at 6pm
65°F
Clear/Sunny
34% of time
28%
19%
17%
Weather at 3am
58°F
25%
21%
19%
17%
Evolution of daily average temperature and precipitation in Cardiff in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Cardiff in august.
The climate of Cardiff in august is good
the weather in Cardiff in august is wet (with 2.8in of precipitation over 4 days). It should be noted an improvement from the previous month since in july it receives an average of 2.4in of rainfall over 3 days.
The climate quite pleasant in this location the month of august. The thermometer averaged maximum of 67°F. In the morning the temperature drops to 58°F. Thus, the mean temperature average on this month of august in Cardiff is 63°F. Note that these seasonal averages are in contrast with those observed in Cardiff in august with a maximum record of 81°F in 2013 and a minimum record of 47°F in 2010. You can hope to have about 24 days with temperatures above 65°F, or 77% of the month.
On average, in Cardiff, the days of august last 14:36. The sun rises at 04:59 and sunset is at 19:35.
With a correct weather, this month is okay (but not good) to go in this city.
Seasonal average climate and temperature of Cardiff in august
Check below seasonal norms These datas are set from the weather statements of the last years of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 63°F | ||||
| Highest temperature | 67°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 81°F (2013) | ||||
| Lowest record temperature | 47°F (2010) | ||||
| Number of days at +65°F | 24 day(s) (77%) | ||||
| Sea temperature | |||||
| Average sea temperature | 62°F | ||||
| Lowest sea temperature | 61°F | ||||
| Highest sea temperature | 64°F | ||||
| Wind | |||||
| Wind speed | 21km/h | ||||
| Wind temperature | 58°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.8in | ||||
| Number of days with rainfall | 4 day(s) (13%) | ||||
| Record daily rainfall | 0.9in (2015) | ||||
| Other climate data | |||||
| Humidity | 91% | ||||
| Visibility | 8.99km | ||||
| Cloud cover | 50% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:59 | ||||
| Time of sunset | 19:35 | ||||
| Length of day | 14:36 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last august?
Here is the day by day recorded weather in Cardiff in august 2024:
65°F to 72°F
59°F to 70°F
59°F to 67°F
58°F to 67°F
58°F to 72°F
59°F to 67°F
58°F to 65°F
58°F to 65°F
59°F to 67°F
61°F to 70°F
59°F to 79°F
65°F to 74°F
56°F to 70°F
59°F to 68°F
59°F to 72°F
54°F to 68°F
52°F to 65°F
56°F to 67°F
56°F to 67°F
61°F to 63°F
56°F to 65°F
63°F to 65°F
58°F to 63°F
56°F to 65°F
54°F to 65°F
56°F to 67°F
59°F to 70°F
61°F to 67°F
54°F to 65°F
52°F to 68°F
56°F to 68°F
Map: other cities in Wales in august
Cities near Cardiff:
| Barry in august | good weather |
| Merthyr Tydfil in august | tolerable weather |
| Porthcawl in august | good weather |
| Brecon Beacons (National Park) in august | tolerable weather |
| Swansea in august | good weather |
| Llanelli in august | good weather |
| Llandrindod Wells in august | bad weather |
| Carmarthen in august | good weather |
| Newtown in august | bad weather |
| Aberystwyth in august | tolerable weather |
| Pembrokeshire in august | good weather |
| Haverfordwest in august | good weather |
Click over cities on the map for information about the weather in august.
Cardiff
perfect weather
good
tolerable
bad
very bad
Weather data for Cardiff in august:
Weather data for Cardiff for august are derived from an average of the weather forecast since 2009 in Cardiff. There is a margin of error and these forecasts are to be considered as general information only. The weather in Cardiff can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Cardiff.