Porthmadog Weather in May
May in Porthmadog brings moderate temperatures, with highs of 15°C (59°F) and nights dropping to 8°C (46°F). It's also the driest month of the year, ideal for those who want to avoid rain.
Rainfall in Porthmadog in May
Expect the least amount of rain this month, making it a good opportunity for outdoor activities, even though days are on the cooler side. Past climate data indicates that roughly 16 days will see rain, totalling around 95 mm (3.7 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Porthmadog in May
Temperatures in Porthmadog in May top out at 15°C (59°F) and drop to 8°C (46°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Porthmadog in May
You can expect a moderate amount of sunlight, with approximately 169 hours. This means a pleasant mix of sun and overcast.So this is a great month to visit if you prefer dry days with pleasant temperatures.
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 Porthmadog's climate page.
Porthmadog Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
15°C (59°F)
Chance of Rain
54%
Precipitation
95 mm (3.7 in)
Rainy days
16 days
Sunshine
169 hours *
Percentage Sunshine
*
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 Porthmadog 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Porthmadog 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 Porthmadog's climate page.
See the full Porthmadog climate overview or explore weather in the United Kingdom.
