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 average high-temperature for May is a refreshing 13.4°C (56.1°F), closely aligning with the temperature of the preceding month. A minimal decline in temperature from daytime highs is anticipated throughout the May nights, averaging a fresh 10.2°C (50.4°F).Humidity
In Perranwell, the average relative humidity in May is 83%.Rainfall
May is the month with the least rainfall. Rain falls for 13.3 days and accumulates 30mm (1.18") of precipitation.Snowfall
In Perranwell, snow does not fall in March through December.Daylight
The average length of the day in May in Perranwell is 15h and 29min.On the first day of May in Perranwell, sunrise is at 5:54 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 9:21 pm BST.
Sunshine
The average sunshine in May is 8.3h.UV index
In Perranwell, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during May translates into the following guidance:
Take precautions - Protection against skin and eye damage is obliged. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Perranwell in May?
What is the average humidity in May in Perranwell?
What is the driest month in Perranwell?
How much does it rain in Perranwell in May?
When it does not snow in Perranwell?
What is the average length of the day in May in Perranwell?
When is the sunrise / sunset in May in Perranwell?
How many hours of sunshine does Perranwell have in May?
What is the UV index reading in May in Perranwell?
Average temperature in May
Perranwell, United Kingdom
- Average high temperature in May: 13.4°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (8.8°C).
- Average low temperature in May: 10.2°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (6.7°C).
Average pressure in May
Perranwell, United Kingdom
- Average pressure in May: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in May
Perranwell, United Kingdom
- Average wind speed in May: 20km/h
The windiest month (with the highest average wind speed) is December (30.4km/h).
The calmest month (with the lowest average wind speed) is July (19.2km/h).
Average humidity in May
Perranwell, United Kingdom
- Average humidity in May: 83%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are February, November and December (80%).
Average rainfall in May
Perranwell, United Kingdom
- Average rainfall in May: 30mm
The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is May (30mm).
Average rainfall days in May
Perranwell, United Kingdom
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is November (21.2 days).
The month with the least rainy days is May (13.3 days).
Average snowfall in May
Perranwell, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Perranwell, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Perranwell, 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 2min
The month with the most sunshine is July (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Perranwell, United Kingdom
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is May (14.1 days).
The month with the least sunshine days is November (5.3 days).
Average UV index in May
Perranwell, United Kingdom
- Average UV index in May: 4
The month with the highest UV index is August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Perranwell, United Kingdom
- Average cloud cover in May: 45
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in May
Perranwell, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
