May weather forecastDunoon, United Kingdom
May
Weather in May
The last month of the spring, May, is also a fresh month in Dunoon, United Kingdom, with an average temperature varying between 12.8°C (55°F) and 5.8°C (42.4°F).Temperature
Dunoon's shift into May is marked by a subtle change to a still fresh 12.8°C (55°F) from April's 10.3°C (50.5°F) in temperature. During the month of May, an average low-temperature of 5.8°C (42.4°F) is recorded.Humidity
April and May, with an average relative humidity of 83%, are the least humid months.Rainfall
In Dunoon, during May, the rain falls for 20.8 days and regularly aggregates up to 65mm (2.56") of precipitation. In Dunoon, during the entire year, the rain falls for 249.9 days and collects up to 1079mm (42.48") of precipitation.Snowfall
In Dunoon, snow does not fall in May through October.Sea temperature
In May, the average sea temperature in Dunoon is 9.8°C (49.6°F).Note: Swimming in 9.8°C (49.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
Daylight
In Dunoon, the average length of the day in May is 16h and 20min.On the first day of May in Dunoon, United Kingdom, sunrise is at 5:34 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 4:42 am and sunset at 9:52 pm BST.
Sunshine
The average sunshine in May in Dunoon is 6.3h.UV index
The months with the highest UV index in Dunoon are May and June, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, a regular UV index of 4 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Dunoon, United Kingdom
- Average high temperature in May: 12.8°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in May: 5.8°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).
Average pressure in May
Dunoon, United Kingdom
- Average pressure in May: 1015.2mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).
Average wind speed in May
Dunoon, United Kingdom
- Average wind speed in May: 14.7km/h
The windiest month (with the highest average wind speed) is January (19.3km/h).
The calmest months (with the lowest average wind speed) are June and July (11.9km/h).
Average humidity in May
Dunoon, United Kingdom
- Average humidity in May: 83%
The months with the highest relative humidity are January, August, September, October, November and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in May
Dunoon, United Kingdom
- Average rainfall in May: 65mm
The wettest month (with the highest rainfall) is December (116mm).
The driest month (with the least rainfall) is April (48mm).
Average rainfall days in May
Dunoon, United Kingdom
- Average rainfall days in May: 20.8 days
The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is February (17.8 days).
Average snowfall in May
Dunoon, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Dunoon, United Kingdom
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in May
Dunoon, United Kingdom
- Average sea temperature in May: 9.8°C
The best month for swimming (with the highest average sea temperature) is August (14.3°C).
The coldest month (with the lowest average sea temperature) is March (7.4°C).
Average daylight in May /
Average sunshine in May
Dunoon, United Kingdom
- Average daylight in May: 16h and 18min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in May: 6h and 18min
The month with the most sunshine is June (Average sunshine: 6h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in May
Dunoon, United Kingdom
- Average sunshine days in May: 8.3 days
The month with the most sunshine days is April (8.8 days).
The months with the least sunshine days are July and August (5.4 days).
Average UV index in May
Dunoon, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May and June (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Dunoon, United Kingdom
- Average cloud cover in May: 60
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 59).
Average visibility in May
Dunoon, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May and November (9km).
The months with the lowest visibility are June, July, August, September, October and December (8km).





