May weather forecastGreenock, United Kingdom
May weather for Greenock, United Kingdom: The last month of the spring, May, is also a fresh month in Greenock, United Kingdom, with an average temperature varying between 12.8°C (55°F) and 5.8°C (42.4°F). The months with the lowest humidity in Greenock, United Kingdom, are April and May, with an average relative humidity of 83%.
May
Weather in May
The last month of the spring, May, is also a fresh month in Greenock, United Kingdom, with an average temperature varying between 12.8°C (55°F) and 5.8°C (42.4°F).Temperature
May brings an average high-temperature of a still fresh 12.8°C (55°F), nearly identical to the preceding month. Greenock's nights in May experience an average temperature drop to a wintry 5.8°C (42.4°F).Humidity
The months with the lowest humidity in Greenock are April and May, with an average relative humidity of 83%.Rainfall
In Greenock, United Kingdom, in May, it is raining for 20.8 days, with typically 65mm (2.56") of accumulated precipitation. Throughout the year, in Greenock, there are 249.9 rainfall days, and 1079mm (42.48") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Greenock.Sea temperature
In Greenock, in May, the average water temperature is 9.8°C (49.6°F).Note: It is advised against swimming in 9.8°C (49.6°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
In May, the average length of the day in Greenock 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 Greenock, sunrise is at 4:41 am and sunset at 9:52 pm BST.
Sunshine
In Greenock, the average sunshine in May is 6.3h.UV index
The months with the highest UV index are May and June, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 4 in May transforms into the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Greenock, 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
Greenock, 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
Greenock, 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
Greenock, 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
Greenock, 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
Greenock, 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
Greenock, 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
Greenock, 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
Greenock, 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
Greenock, 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
Greenock, 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
Greenock, 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
Greenock, 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
Greenock, 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).
