Wales in march: average Weather, Temperature and Climate, Where to go?
Weather in Wales in march 2025
In this section, you have access to the weather forecast for march for most popular cities in Wales. These datas are probabilities for march from weather reports for many years. The percentage indicates the possibility of having the weather indicated.
Average weather in march in Cardiff
very bad weather 3cm
Weather at 6am
41°F
Cloudy
31% of time
26%
25%
8%
Weather at 12pm
50°F
Cloudy
38% of time
28%
25%
7%
Weather at 6pm
47°F
Clear/Sunny
31% of time
31%
28%
7%
Weather at 3am
43°F
27%
25%
18%
17%
Where to go in Wales in march?
Where to go in Wales in march: destination map
perfect weather
good
tolerable
bad
very bad
Where should you go in Wales in march when it comes to the weather?
Remember:
The climate in Wales in march ranges from bad to very bad depending on the region and city.
March is not the best month to travel to in Wales. The climate in Cardiff, Holyhead, Pembrokeshire, Conwy and Swansea is bad. It's cold, the sun is not there all the time and you take the risk of being you soak in the rain very often.
But it gets worse: around the cities of Cardiff, Holyhead, Pembrokeshire, Conwy and Swansea and surrounding areas where the climate is even worse. We really do not recommend you to go to these areas in march.
Climate in Wales in march
Climate in Cardiff in march
In march, maximum temperature is 52°F and minimum temperature is 41°F (for an average temperature of 47°F). The climate is fairly fresh in this location in march, but it is liveable when dressing hot. With about 1.7in over 2 days, rain may be scarce throughout your trip.
With an unfavorable weather, march is not the best time to go in this locality in Wales.
| March | |||
| Average temperature | 47°F | ||
| Highest temperature | 52°F | ||
| Lowest temperature | 41°F | ||
| Sea temperature | 48°F | ||
| Rainfall | 1.7in | ||
| Number of days with rainfall | 2 day(s) (8%) | ||
| Humidity | 89% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 51% | ||
| Length of day | 11:51 | ||
| Our opinion at whereandwhen.net | very bad |
Climate in Brecon Beacons (National Park) in march
In march, maximum temperature is 49°F and minimum temperature is 38°F (for an average temperature of 43°F). The climate is rather cold around this city in the month of march. Bring warm clothes! With 3.5in over 5 days, rain may occur during your holidays. But this is moderate and you will not be too bothered by it.
| March | |||
| Average temperature | 43°F | ||
| Highest temperature | 49°F | ||
| Lowest temperature | 38°F | ||
| Rainfall | 3.5in | ||
| Number of days with rainfall | 5 day(s) (17%) | ||
| Humidity | 94% | ||
| Daily sunshine hours | 9 | ||
| Cloud cover | 61% | ||
| Length of day | 11:51 | ||
| Our opinion at whereandwhen.net | very bad |
Climate in Conwy in march
In march, the mean temperature in Conwy is 45°F (maximum temperature is 49°F and minimum temperature is 41°F). The climate is rather fresh in that area in the month of march, but it is livable when dressing cosy. With 3.8in over 6 days, rainfall can happen throughout your holidays. But this is rather reasonably and it will not be continuous.
With a bad climate, the month of march is not the best time to go in Conwy.
| March | |||
| Average temperature | 45°F | ||
| Highest temperature | 49°F | ||
| Lowest temperature | 41°F | ||
| Sea temperature | 46°F | ||
| Rainfall | 3.8in | ||
| Number of days with rainfall | 6 day(s) (20%) | ||
| Humidity | 88% | ||
| Daily sunshine hours | 9 | ||
| Cloud cover | 55% | ||
| Length of day | 11:51 | ||
| Our opinion at whereandwhen.net | very bad |
Climate in Holyhead in march
In the month of march, maximum temperature is 49°F and minimum temperature is 45°F (for an average temperature of 47°F). The climate is fairly cold here in this month, but it is livable by dressing cosy. With 4in over 7 days, rainfall can happen for your stay. But this is rather moderate and it will not be continuous.
With a bad climate, march is not recommended month to go there in Wales.
| March | |||
| Average temperature | 47°F | ||
| Highest temperature | 49°F | ||
| Lowest temperature | 45°F | ||
| Sea temperature | 47°F | ||
| Rainfall | 4in | ||
| Number of days with rainfall | 7 day(s) (22%) | ||
| Humidity | 84% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 53% | ||
| Length of day | 11:50 | ||
| Our opinion at whereandwhen.net | bad |
Climate in Pembrokeshire in march
In march, the mean temperature in Pembrokeshire is 49°F (maximum temperature is 50°F and minimum temperature is 45°F). The climate is fairly fresh around this city in this month, but it is liveable by dressing warm. With 3.7in over 8 days, you risk getting wet slightly for your stay. But this is reasonably and it is only of temporary showers.
With a bad climate, the month of march is not the best time to go in that area in Wales.
| March | |||
| Average temperature | 49°F | ||
| Highest temperature | 50°F | ||
| Lowest temperature | 45°F | ||
| Sea temperature | 48°F | ||
| Rainfall | 3.7in | ||
| Number of days with rainfall | 8 day(s) (24%) | ||
| Humidity | 85% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 52% | ||
| Length of day | 11:51 | ||
| Our opinion at whereandwhen.net | bad |
All cities in Wales in march
| Cardiff in march | very bad weather |
| Brecon Beacons (National Park) in march | very bad weather |
| Conwy in march | very bad weather |
| Holyhead in march | bad weather |
| Pembrokeshire in march | bad weather |
| Snowdonia National Park in march | very bad weather |
| Swansea in march | bad weather |
| Aberystwyth in march | very bad weather |
| Amlwch in march | bad weather |
| Barmouth in march | very bad weather |
| Barry in march | bad weather |
| Buckley in march | very bad weather |
| Carmarthen in march | very bad weather |
| Fishguard in march | bad weather |
| Haverfordwest in march | bad weather |
| Llandrindod Wells in march | very bad weather |
| Llandudno in march | very bad weather |
| Llanelli in march | bad weather |
| Merthyr Tydfil in march | very bad weather |
| Newtown in march | very bad weather |
| Porthcawl in march | bad weather |
Weather data for Wales in march:
Weather data for Wales in march 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.