Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's onset brings an average high-temperature of a moderate 14.3°C (57.7°F), showing a minute difference from April's 12.1°C (53.8°F). Nighttime temperature experiences an average drop to a frosty 8.8°C (47.8°F) in May.Humidity
The months with the lowest humidity in Porthcawl are April and May, with an average relative humidity of 81%.Rainfall
The month with the least rainfall in Porthcawl is May, when the rain falls for 9.1 days and typically collects 9mm (0.35") of precipitation.Snowfall
April through November are months without snowfall.Sea temperature
In Porthcawl, in May, the average water temperature is 11.5°C (52.7°F).Note: Swimming in 11.5°C (52.7°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 13°C (55.4°F) feels frosty.
Daylight
In Porthcawl, the average length of the day in May is 15h and 38min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:38 pm. On the last day of May, in Porthcawl, United Kingdom, sunrise is at 5:03 am and sunset at 9:21 pm BST.
Sunshine
May has the most sunshine of the year, with an average of 8.3h of sunshine.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In May, a regular UV index of 4 translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What are May temperatures in Porthcawl?
What are the least humid months in Porthcawl?
What is the average humidity in May in Porthcawl?
What is the driest month in Porthcawl?
How much does it rain in Porthcawl in May?
When it does not snow in Porthcawl?
How cold is the water in May in Porthcawl?
What is the average length of the day in May in Porthcawl?
When are sunrise and sunset in May in Porthcawl?
What month has the most sunshine in Porthcawl?
How long on average sun shines in May in Porthcawl?
What are the months with the highest UV index in Porthcawl?
What is the UV index intensity in May in Porthcawl?
Average temperature in May
Porthcawl, United Kingdom
- Average high temperature in May: 14.3°C
The warmest month (with the highest average high temperature) is July (18.4°C).
The months with the lowest average high temperature are January and February (7.8°C).
- Average low temperature in May: 8.8°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (4.4°C).
Average pressure in May
Porthcawl, United Kingdom
- Average pressure in May: 1016.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in May
Porthcawl, United Kingdom
- Average wind speed in May: 16.9km/h
The windiest month (with the highest average wind speed) is December (24.6km/h).
The calmest month (with the lowest average wind speed) is June (16.2km/h).
Average humidity in May
Porthcawl, United Kingdom
- Average humidity in May: 81%
The months with the highest relative humidity are January, October, November and December (84%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in May
Porthcawl, United Kingdom
- Average rainfall in May: 9mm
The wettest months (with the highest rainfall) are November and December (33mm).
The driest month (with the least rainfall) is May (9mm).
Average rainfall days in May
Porthcawl, United Kingdom
- Average rainfall days in May: 9.1 days
The months with the highest number of rainy days are November and December (15.5 days).
The month with the least rainy days is May (9.1 days).
Average snowfall in May
Porthcawl, United Kingdom
- Average snowfall in May: 0mm
The months with the highest snowfall are January and December (2mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Porthcawl, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in May
Porthcawl, United Kingdom
- Average sea temperature in May: 11.5°C
The best month for swimming (with the highest average sea temperature) is August (17.1°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).
Average daylight in May /
Average sunshine in May
Porthcawl, United Kingdom
- Average daylight in May: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is May (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Porthcawl, United Kingdom
- Average sunshine days in May: 19.1 days
The month with the most sunshine days is May (19.1 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in May
Porthcawl, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Porthcawl, United Kingdom
- Average cloud cover in May: 46
The months with the most cloud cover are November and December (Cloud cover 62).
The months with the least cloud cover are April and May (Cloud cover 46).
Average visibility in May
Porthcawl, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are January, July, August and September (9km).
Porthcawl, United Kingdom
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