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
As April turns into May, the average high-temperatures rest at a refreshing 13.3°C (55.9°F), showing a minor variation from the prior month. May nights in Portesham anticipate an average temperature of 10.1°C (50.2°F), a modest decline from the daytime.Humidity
In Portesham, the average relative humidity in May is 82%.Rainfall
The month with the least rainfall in Portesham is May, when the rain falls for 12.7 days and typically collects 27mm (1.06") of precipitation.Snowfall
In Portesham, snow does not fall in March through October and December.Daylight
In Portesham, the average length of the day in May is 15h and 31min.On the first day of May, sunrise is at 5:43 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:03 am and sunset at 9:13 pm BST.
Sunshine
The average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 4 in May translates into these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Portesham in May?
What is the average humidity in May in Portesham?
What is the driest month in Portesham?
How many days does it rain in May in Portesham?
When it does not snow in Portesham?
What is the average length of the day in May in Portesham?
When are sunrise and sunset in May in Portesham?
How long on average sun shines in May in Portesham?
What is the UV index intensity in May in Portesham?
Average temperature in May
Portesham, United Kingdom
- Average high temperature in May: 13.3°C
The warmest month (with the highest average high temperature) is August (18.2°C).
The month with the lowest average high temperature is February (8.3°C).
- Average low temperature in May: 10.1°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).
Average pressure in May
Portesham, United Kingdom
- Average pressure in May: 1017mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in May
Portesham, United Kingdom
- Average wind speed in May: 20km/h
The windiest month (with the highest average wind speed) is December (30.1km/h).
The calmest month (with the lowest average wind speed) is July (19.5km/h).
Average humidity in May
Portesham, United Kingdom
- Average humidity in May: 82%
The months with the highest relative humidity are June and July (83%).
The months with the lowest relative humidity are February, March, April, September, October, November and December (81%).
Average rainfall in May
Portesham, United Kingdom
- Average rainfall in May: 27mm
The wettest month (with the highest rainfall) is November (58mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days in May
Portesham, United Kingdom
- Average rainfall days in May: 12.7 days
The month with the highest number of rainy days is November (17 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in May
Portesham, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0mm).
Average snowfall days in May
Portesham, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.2 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
Portesham, United Kingdom
- Average daylight in May: 15h and 3min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 6min).
Average sunshine days in May
Portesham, United Kingdom
- Average sunshine days in May: 15.5 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in May
Portesham, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in May
Portesham, United Kingdom
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in May
Portesham, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
