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 brings an average high-temperature of a still cool 12.8°C (55°F), showing a slight difference from April's 10.3°C (50.5°F). During the nights in May, an average low-temperature of 5.8°C (42.4°F) is observed.Humidity
April and May, with an average relative humidity of 83%, are the least humid months in Port Glasgow.Rainfall
In May, the rain falls for 20.8 days. Throughout May, 65mm (2.56") of precipitation is accumulated. Throughout the year, in Port Glasgow, United Kingdom, there are 249.9 rainfall days, and 1079mm (42.48") of precipitation is accumulated.Snowfall
In Port Glasgow, snow does not fall in May through October.Sea temperature
In May, the average sea temperature is 9.8°C (49.6°F).Note: It is risky to swim in 9.8°C (49.6°F). Temperatures beneath 10°C (50°F) induce rapid cold shock and hyperventilation.
Daylight
In May, the average length of the day in Port Glasgow is 16h and 20min.On the first day of the month, sunrise is at 5:33 am and sunset at 8:58 pm. On the last day of May, in Port Glasgow, United Kingdom, sunrise is at 4:41 am and sunset at 9:51 pm BST.
Sunshine
In Port Glasgow, United Kingdom, the average sunshine in May is 6.3h.UV index
May and June, with an average maximum UV index of 4, are months with the highest UV index in Port Glasgow. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 4 in May leads to these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What are May temperatures in Port Glasgow?
What is the least humid month in Port Glasgow?
What is the average humidity in May in Port Glasgow?
How much does it rain in Port Glasgow in May?
When it does not snow in Port Glasgow?
Does it snow in Port Glasgow in May?
What is the sea water temperature in May in Port Glasgow?
What is the average length of the day in May in Port Glasgow?
What time are sunrise and sunset in May in Port Glasgow?
How long on average sun shines in May in Port Glasgow?
What are the months with the highest UV index in Port Glasgow?
How high is the UV index in May in Port Glasgow?
Average temperature in May
Port Glasgow, 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
Port Glasgow, 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
Port Glasgow, 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
Port Glasgow, 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
Port Glasgow, 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
Port Glasgow, 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
Port Glasgow, 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
Port Glasgow, 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
Port Glasgow, 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
Port Glasgow, United Kingdom
- Average daylight in May: 16h and 2min
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 2min
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
Port Glasgow, 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
Port Glasgow, 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
Port Glasgow, 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
Port Glasgow, 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).
Port Glasgow, United Kingdom
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