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
Barmouth sees the arrival of May with an average high-temperature of a refreshing 13.6°C (56.5°F), indicating a subtle variation from April. Barmouth's temperature drops to an average low of 6.5°C (43.7°F) during the nights of May.Humidity
The months with the lowest humidity in Barmouth, United Kingdom, are April and May, with an average relative humidity of 83%.Rainfall
May is the month with the least rainfall in Barmouth, United Kingdom. Rain falls for 17 days and accumulates 41mm (1.61") of precipitation.Snowfall
January through May, November and December are months with snowfall in Barmouth, United Kingdom. May is the last month it regularly snows in Barmouth. During 0.1 snowfall days, in May, Barmouth aggregates 1mm (0.04") of snow. Throughout the year, there are 19.4 snowfall days, and 197mm (7.76") of snow is accumulated.Sea temperature
In May, the average sea temperature is 10.8°C (51.4°F).Note: Diving into 10.8°C (51.4°F) is practical below 10°C (50°F), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 13°C (55.4°F) feels ice-cold.
Daylight
The average length of the day in May in Barmouth is 15h and 49min.On the first day of May, sunrise is at 5:42 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 4:58 am and sunset at 9:29 pm BST.
Sunshine
With an average of 7.1h of sunshine, May has the most sunshine of the year in Barmouth.UV index
May through August, with an average maximum UV index of 4, are months with the highest UV index in Barmouth. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Adopt protective measures - Suggestions to resist sunburn are offered. When the Sun is at its strongest around midday, find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What is the usual temperature for Barmouth in May?
What are the least humid months in Barmouth?
What is the average humidity in May in Barmouth?
What is the driest month in Barmouth?
How many days does it rain in May in Barmouth?
What is the last month it snows in Barmouth?
What is the water temperature in May in Barmouth?
What is the average length of the day in May in Barmouth?
When is the sunrise / sunset in May in Barmouth?
What month has the most sunshine in Barmouth?
How many hours of sunshine does Barmouth have in May?
What is the month with the highest UV index in Barmouth?
What is the UV index reading in May in Barmouth?
Average temperature in May
Barmouth, United Kingdom
- Average high temperature in May: 13.6°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in May: 6.5°C
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is February (1.9°C).
Average pressure in May
Barmouth, United Kingdom
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in May
Barmouth, United Kingdom
- Average wind speed in May: 13.4km/h
The windiest month (with the highest average wind speed) is December (19.1km/h).
The calmest month (with the lowest average wind speed) is June (11.9km/h).
Average humidity in May
Barmouth, United Kingdom
- Average humidity in May: 83%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in May
Barmouth, United Kingdom
- Average rainfall in May: 41mm
The wettest month (with the highest rainfall) is December (94mm).
The driest month (with the least rainfall) is May (41mm).
Average rainfall days in May
Barmouth, United Kingdom
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is November (21 days).
The month with the least rainy days is February (14.7 days).
Average snowfall in May
Barmouth, United Kingdom
- Average snowfall in May: 1mm
The month with the highest snowfall is January (57mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Barmouth, United Kingdom
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in May
Barmouth, United Kingdom
- Average sea temperature in May: 10.8°C
The best month for swimming (with the highest average sea temperature) is September (15.7°C).
The coldest months (with the lowest average sea temperature) are February and March (8.3°C).
Average daylight in May /
Average sunshine in May
Barmouth, United Kingdom
- Average daylight in May: 15h and 5min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in May: 7h and 1min
The month with the most sunshine is May (Average sunshine: 7h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in May
Barmouth, United Kingdom
- Average sunshine days in May: 10.6 days
The month with the most sunshine days is March (11.7 days).
The month with the least sunshine days is November (6.4 days).
Average UV index in May
Barmouth, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Barmouth, United Kingdom
- Average cloud cover in May: 55
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 54).
Average visibility in May
Barmouth, United Kingdom
- Average visibility in May: 8km
The months with the highest visibility are March, April, November and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September and October (8km).
Barmouth, United Kingdom
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