Saint Athan Weather in May
Saint Athan in May sees moderate daytime temperatures of 16°C (61°F) and nighttime lows of 9°C (48°F). Rainfall is fairly high this month at around 79 mm (3.1 in), so pack a rain jacket to stay dry.
Rainfall in Saint Athan in May
You can typically expect 15 days of rain this month, averaging around 79 mm (3.1 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Saint Athan in May
May in Saint Athan brings typical temperatures with highs around 16°C (61°F) and lows of 9°C (48°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Saint Athan in May
With approximately 197 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Wind Speed in Saint Athan in May
Wind speeds average 4 m/s (8 knots) during May. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.
Average water temperature in May
With water temperatures around 11°C (52°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.For Saint Athan itself, July generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Saint Athan's climate page.
Saint Athan Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
16°C (61°F)
Water Temperature
11°C (52°F) *
Chance of Rain
51%
Precipitation
79 mm (3.1 in)
Rainy days
15 days
Humidity
74% *
Windspeed
4 m/s (8 knots) *
Sunshine
197 hours *
Percentage Sunshine
41% *
Best Places in the United Kingdom in May
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in May →
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What to Wear in Saint Athan in May
The weather can swing between comfortable and chilly in May, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. With water temperatures around 11°C (52°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Saint Athan in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Saint Athan's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Saint Athan climate overview or explore weather in the United Kingdom.
