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
Portreath observes a minor difference in average high-temperatures between April's 10.9°C (51.6°F) and May's 12.8°C (55°F). Nighttime temperature sees a small decrement from daytime highs, dipping to an average of 11°C (51.8°F) during May.Humidity
In May, the average relative humidity in Portreath, United Kingdom, is 83%.Rainfall
May is the month with the least rainfall. Rain falls for 13.6 days and accumulates 31mm (1.22") of precipitation.Snowfall
In Portreath, snow does not fall in January, April through December.Daylight
In Portreath, the average length of the day in May is 15h and 28min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:40 pm. On the last day of May, sunrise is at 5:15 am and sunset at 9:22 pm BST.
Sunshine
The months with the most sunshine in Portreath are April and May, with an average of 8.5h of sunshine.UV index
In Portreath, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Adopt protective measures - It is advised to guard against sun damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What are the temperatures in Portreath in May?
What is the average humidity in May in Portreath?
What is the driest month in Portreath?
How much does it rain in Portreath in May?
When it does not snow in Portreath?
What is the average length of the day in May in Portreath?
When is the sunrise / sunset in May in Portreath?
What is the month with the most sunshine in Portreath?
How many hours of sunshine does Portreath have in May?
How high is the UV index in May in Portreath?
Average temperature in May
Portreath, United Kingdom
- Average high temperature in May: 12.8°C
The warmest month (with the highest average high temperature) is August (17.4°C).
The month with the lowest average high temperature is February (9.3°C).
- Average low temperature in May: 11°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).
Average pressure in May
Portreath, United Kingdom
- Average pressure in May: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in May
Portreath, United Kingdom
- Average wind speed in May: 22.2km/h
The windiest month (with the highest average wind speed) is December (34km/h).
The calmest month (with the lowest average wind speed) is July (21.6km/h).
Average humidity in May
Portreath, United Kingdom
- Average humidity in May: 83%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January, February, November and December (79%).
Average rainfall in May
Portreath, United Kingdom
- Average rainfall in May: 31mm
The wettest month (with the highest rainfall) is November (98mm).
The driest month (with the least rainfall) is May (31mm).
Average rainfall days in May
Portreath, United Kingdom
- Average rainfall days in May: 13.6 days
The month with the highest number of rainy days is November (22.1 days).
The month with the least rainy days is May (13.6 days).
Average snowfall in May
Portreath, United Kingdom
- Average snowfall in May: 0mm
The months with the highest snowfall are February and March (1mm).
The months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Portreath, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Portreath, United Kingdom
- Average daylight in May: 15h and 3min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in May: 8h and 3min
The months with the most sunshine are April and May (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in May
Portreath, United Kingdom
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is May (14.7 days).
The month with the least sunshine days is December (5.1 days).
Average UV index in May
Portreath, United Kingdom
- Average UV index in May: 4
The month with the highest UV index is August (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in May
Portreath, United Kingdom
- Average cloud cover in May: 45
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in May
Portreath, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Portreath, United Kingdom
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