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 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
Welcoming May, Port Isaac notes an average high-temperature of a moderate 13.8°C (56.8°F), nearly consistent with April's 11.8°C (53.2°F). Night temperatures during May in Port Isaac experience a slight downturn, averaging a frosty 9.4°C (48.9°F).Humidity
The average relative humidity in May is 83%.Rainfall
May is the month with the least rainfall. Rain falls for 14 days and accumulates 29mm (1.14") of precipitation.Snowfall
In Port Isaac, snow does not fall in March through October.Daylight
In May, the average length of the day is 15h and 31min.On the first day of May in Port Isaac, sunrise is at 5:52 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 9:21 pm BST.
Sunshine
In May, the average sunshine in Port Isaac is 8h.UV index
The months with the highest UV index in Port Isaac, United Kingdom, are May through October, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during May translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the average May temperature in Port Isaac?
What is the average humidity in May in Port Isaac?
What is the driest month in Port Isaac?
How much does it rain in Port Isaac in May?
When it does not snow in Port Isaac?
How many hours of daylight does Port Isaac have in May?
When are sunrise and sunset in May in Port Isaac?
How many hours of sunshine does Port Isaac have in May?
What are the months with the highest UV index in Port Isaac?
What is the UV index reading in May in Port Isaac?
Average temperature in May
Port Isaac, United Kingdom
- Average high temperature in May: 13.8°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is February (8.7°C).
- Average low temperature in May: 9.4°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (5.9°C).
Average pressure in May
Port Isaac, United Kingdom
- Average pressure in May: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in May
Port Isaac, United Kingdom
- Average wind speed in May: 18.8km/h
The windiest month (with the highest average wind speed) is December (29km/h).
The calmest month (with the lowest average wind speed) is July (18.3km/h).
Average humidity in May
Port Isaac, United Kingdom
- Average humidity in May: 83%
The months with the highest relative humidity are June, July and August (84%).
The months with the lowest relative humidity are February, March and November (81%).
Average rainfall in May
Port Isaac, United Kingdom
- Average rainfall in May: 29mm
The wettest month (with the highest rainfall) is November (78mm).
The driest month (with the least rainfall) is May (29mm).
Average rainfall days in May
Port Isaac, United Kingdom
- Average rainfall days in May: 14 days
The month with the highest number of rainy days is November (21 days).
The month with the least rainy days is May (14 days).
Average snowfall in May
Port Isaac, United Kingdom
- Average snowfall in May: 0mm
The months with the highest snowfall are February and December (3mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Port Isaac, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Port Isaac, United Kingdom
- Average daylight in May: 15h and 3min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is April (Average sunshine: 8h and 6min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 48min).
Average sunshine days in May
Port Isaac, United Kingdom
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is May (14.6 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in May
Port Isaac, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June, July, August, September and October (UV index 4).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Port Isaac, United Kingdom
- Average cloud cover in May: 47
The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 46).
Average visibility in May
Port Isaac, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).
Port Isaac, United Kingdom
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