Wales in july: average Weather, Temperature and Climate, Where to go?
Weather in Wales in july 2025
Below, find the the weather forecast for july for most popular cities in Wales. These forecasts are probabilities for july from weather reports for over 10 years. The percentage indicates the probability of having the weather indicated.
Average weather in july in Cardiff
good weather
Weather at 6am
59°F
Partly Cloudy
34% of time
24%
23%
11%
Weather at 12pm
67°F
Partly Cloudy
34% of time
26%
25%
13%
Weather at 6pm
67°F
Clear/Sunny
33% of time
32%
20%
15%
Weather at 3am
58°F
24%
21%
19%
19%
Where to go in Wales in july?
Where to go in Wales in july: destination map
perfect weather
good
tolerable
bad
very bad
Where should you go in Wales in july when it comes to the weather?
Remember:
The climate in Wales in july ranges from good to tolerable depending on the region and city.
It is not perfect, however, the weather in Wales in july is pretty good in Holyhead and Pembrokeshire. I allows to savor tour in these cities. And even why not take a little time to relax under the sun!
If you do not go lazing in the sun, but, for example for cultural tours or hiking, the cities of Cardiff, Snowdonia National Park, Brecon Beacons (National Park), Conwy and Swansea have a ok but correct weather for it in july.
Climate in Wales in july
Climate in Cardiff in july
In july, maximum temperature is 68°F and minimum temperature is 59°F (for an average temperature of 63°F). The climate quite comfortable around this city in the month of july. With 2.4in over 3 days, you risk getting wet slightly for your trip. But this is rather moderate and you will not be too bothered by it.
With a correct weather, the month of july is okay (but not good time) for traveling in Cardiff.
| July | |||
| Average temperature | 63°F | ||
| Highest temperature | 68°F | ||
| Lowest temperature | 59°F | ||
| Sea temperature | 61°F | ||
| Rainfall | 2.4in | ||
| Number of days with rainfall | 3 day(s) (11%) | ||
| Humidity | 89% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 48% | ||
| Length of day | 16:10 | ||
| Our opinion at whereandwhen.net | good |
Climate in Brecon Beacons (National Park) in july
In the month of july, the mean temperature in Brecon Beacons (National Park) is 61°F (maximum temperature is 65°F and minimum temperature is 56°F). The climate is rather cool in that locality in the month of july, but it is endurable when dressing hot. With 4.6in over 7 days, you will experience some showers during your trip. But this is rather moderate and it is only of temporary showers.
With a correct weather, the month of july is okay (but not the best time) for traveling in Brecon Beacons (National Park).
| July | |||
| Average temperature | 61°F | ||
| Highest temperature | 65°F | ||
| Lowest temperature | 56°F | ||
| Rainfall | 4.6in | ||
| Number of days with rainfall | 7 day(s) (23%) | ||
| Humidity | 94% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 61% | ||
| Length of day | 16:14 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Conwy in july
In the month of july, maximum temperature is 65°F and minimum temperature is 58°F (for an average temperature of 61°F). The climate is quite cold in this location in the month of july, but it is livable by dressing cosy. With 4.5in over 7 days, rainfall can happen during your vacations. But this is reasonably and you will not be too bothered by it.
With proper weather, july is okay (but not the best month) for traveling in this locality in Wales.
| July | |||
| Average temperature | 61°F | ||
| Highest temperature | 65°F | ||
| Lowest temperature | 58°F | ||
| Sea temperature | 60°F | ||
| Rainfall | 4.5in | ||
| Number of days with rainfall | 7 day(s) (23%) | ||
| Humidity | 90% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 52% | ||
| Length of day | 16:28 | ||
| Our opinion at whereandwhen.net | good |
Climate in Holyhead in july
In july, maximum temperature is 63°F and minimum temperature is 59°F (for an average temperature of 61°F). The climate is rather cool in this city in the month of july, but it is livable when dressing warm. With 5in over 8 days, rain may occur during your journey. But this is pretty moderate and it is only of temporary showers.
With a good climate, july is a good month to go there.
| July | |||
| Average temperature | 61°F | ||
| Highest temperature | 63°F | ||
| Lowest temperature | 59°F | ||
| Sea temperature | 58°F | ||
| Rainfall | 5in | ||
| Number of days with rainfall | 8 day(s) (27%) | ||
| Humidity | 88% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 50% | ||
| Length of day | 16:28 | ||
| Our opinion at whereandwhen.net | good |
Climate in Pembrokeshire in july
In july, maximum temperature is 65°F and minimum temperature is 61°F (for an average temperature of 63°F). The climate is quite cold in that locality in this month, but it is livable when dressing warm. With 4.4in over 7 days, you risk getting wet slightly throughout your holidays. But this is moderate and it will not be continuous.
With a good climate, july is a good month to go in this locality.
| July | |||
| Average temperature | 63°F | ||
| Highest temperature | 65°F | ||
| Lowest temperature | 61°F | ||
| Sea temperature | 60°F | ||
| Rainfall | 4.4in | ||
| Number of days with rainfall | 7 day(s) (22%) | ||
| Humidity | 88% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 47% | ||
| Length of day | 16:12 | ||
| Our opinion at whereandwhen.net | good |
All cities in Wales in july
| Cardiff in july | good weather |
| Brecon Beacons (National Park) in july | tolerable weather |
| Conwy in july | good weather |
| Holyhead in july | good weather |
| Pembrokeshire in july | good weather |
| Snowdonia National Park in july | tolerable weather |
| Swansea in july | good weather |
| Aberystwyth in july | good weather |
| Amlwch in july | good weather |
| Barmouth in july | tolerable weather |
| Barry in july | good weather |
| Buckley in july | good weather |
| Carmarthen in july | good weather |
| Fishguard in july | good weather |
| Haverfordwest in july | good weather |
| Llandrindod Wells in july | tolerable weather |
| Llandudno in july | good weather |
| Llanelli in july | good weather |
| Merthyr Tydfil in july | good weather |
| Newtown in july | tolerable weather |
| Porthcawl in july | good weather |
Weather data for Wales in july:
Weather data for Wales in july is derived from an average of the weather forecast since 2009 in Wales. There is a margin of error and these forecasts are to be considered as general information only. The weather in Wales can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Wales.