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 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
May
Weather in May
Temperature
The shift into May finds Portishead, United Kingdom, at an average high-temperature of a refreshing 15.3°C (59.5°F), closely comparable to April's conditions. During the nights in May, Portishead experiences a consistent average temperature of 7.5°C (45.5°F).Humidity
April, May and July, with an average relative humidity of 82%, are the least humid months in Portishead.Rainfall
In May, the rain falls for 14.5 days. Throughout May, 26mm (1.02") of precipitation is accumulated. Throughout the year, in Portishead, United Kingdom, there are 176.1 rainfall days, and 410mm (16.14") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Portishead.Daylight
The average length of the day in May is 15h and 38min.On the first day of May, sunrise is at 5:41 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 4:59 am and sunset at 9:17 pm BST.
Sunshine
In May, the average sunshine is 7.9h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In May, a daily UV index of 4 turns into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Portishead in May?
What is the least humid month in Portishead?
What is the average humidity in May in Portishead?
How much does it rain in Portishead in May?
When it does not snow in Portishead?
Does it snow in Portishead in May?
What is the average length of the day in May in Portishead?
What time are sunrise and sunset in May in Portishead?
How many hours of sunshine does Portishead have in May?
When is the highest UV index in Portishead?
What is the UV index reading in May in Portishead?
Average temperature in May
Portishead, United Kingdom
- Average high temperature in May: 15.3°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in May: 7.5°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in May
Portishead, United Kingdom
- Average pressure in May: 1016.8mbar
The months with the highest atmospheric pressure are May and September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in May
Portishead, United Kingdom
- Average wind speed in May: 14.2km/h
The windiest month (with the highest average wind speed) is February (19.5km/h).
The calmest month (with the lowest average wind speed) is July (13.6km/h).
Average humidity in May
Portishead, United Kingdom
- Average humidity in May: 82%
The months with the highest relative humidity are November and December (88%).
The months with the lowest relative humidity are April, May and July (82%).
Average rainfall in May
Portishead, United Kingdom
- Average rainfall in May: 26mm
The wettest month (with the highest rainfall) is December (45mm).
The driest months (with the least rainfall) are April and September (24mm).
Average rainfall days in May
Portishead, United Kingdom
- Average rainfall days in May: 14.5 days
The month with the highest number of rainy days is August (17.5 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in May
Portishead, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Portishead, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Portishead, United Kingdom
- Average daylight in May: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in May: 7h and 5min
The month with the most sunshine is July (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in May
Portishead, United Kingdom
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is March (14.5 days).
The month with the least sunshine days is August (9.3 days).
Average UV index in May
Portishead, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June, July, August and September (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
Portishead, United Kingdom
- Average cloud cover in May: 48
The month with the most cloud cover is November (Cloud cover 61).
The months with the least cloud cover are April and May (Cloud cover 48).
Average visibility in May
Portishead, 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).
