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
In May, the average high-temperature is relatively the same as in April - a still mild 15.7°C (60.3°F). In Southampton, the average low-temperature is 7.8°C (46°F).Humidity
In Southampton, United Kingdom, the average relative humidity in May is 80%.Rainfall
In Southampton, it is raining for 15.8 days, with typically 31mm (1.22") of accumulated precipitation. In Southampton, during the entire year, the rain falls for 184.9 days and collects up to 482mm (18.98") of precipitation.Snowfall
April through October are months without snowfall.Sea temperature
In Southampton, the average seawater temperature in May is 11.5°C (52.7°F).Note: Swimming in 11.5°C (52.7°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
Daylight
In Southampton, the average length of the day in May is 15h and 33min.On the first day of May in Southampton, sunrise is at 5:39 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 4:57 am and sunset at 9:08 pm BST.
Sunshine
In Southampton, the average sunshine in May is 8.1h.UV index
In Southampton, United Kingdom, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 4 in May interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
FAQ
What is the temperature in May in Southampton?
What is the average humidity in May in Southampton?
How many days does it rain in May in Southampton?
When it does not snow in Southampton?
What is the water temperature in May in Southampton?
How many hours of daylight does Southampton have in May?
When is the sunrise / sunset in May in Southampton?
How many hours of sunshine does Southampton have in May?
How high is the UV index in May in Southampton?
Average temperature in May
Southampton, United Kingdom
- Average high temperature in May: 15.7°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in May: 7.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest months (with the lowest average low temperature) are January and February (3.3°C).
Average pressure in May
Southampton, United Kingdom
- Average pressure in May: 1016.9mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in May
Southampton, United Kingdom
- Average wind speed in May: 14.4km/h
The windiest month (with the highest average wind speed) is February (19.3km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in May
Southampton, United Kingdom
- Average humidity in May: 80%
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in May
Southampton, United Kingdom
- Average rainfall in May: 31mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in May
Southampton, United Kingdom
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is September (12.3 days).
Average snowfall in May
Southampton, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Southampton, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Southampton, United Kingdom
- Average sea temperature in May: 11.5°C
The best month for swimming (with the highest average sea temperature) is September (17.3°C).
The coldest month (with the lowest average sea temperature) is March (8.6°C).
Average daylight in May /
Average sunshine in May
Southampton, United Kingdom
- Average daylight in May: 15h and 33min
The month with the longest days is June (Average daylight: 16h and 27min).
The month with the shortest days is December (Average daylight: 8h and 1min).
- Average sunshine in May: 8h and 6min
The month with the most sunshine is July (Average sunshine: 8h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in May
Southampton, United Kingdom
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is March (14 days).
The month with the least sunshine days is November (8.9 days).
Average UV index in May
Southampton, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in May
Southampton, United Kingdom
- Average cloud cover in May: 46
The month with the most cloud cover is November (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 44).
Average visibility in May
Southampton, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
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