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
Weather in May
Temperature
The transition from April to May sees average high-temperatures adjusting to a mild 13.4°C (56.1°F), from a not significantly different 11.3°C (52.3°F). Grampound logs an average low-temperature of 10.2°C (50.4°F) during the nights of May, subtly lower than its daytime highs.Humidity
In May, the average relative humidity is 83%.Rainfall
May is the month with the least rainfall in Grampound. Rain falls for 13.3 days and accumulates 30mm (1.18") of precipitation.Snowfall
March through December are months without snowfall in Grampound.Daylight
In May, the average length of the day is 15h and 28min.On the first day of the month, sunrise is at 5:53 am and sunset at 8:39 pm. On the last day of May, in Grampound, sunrise is at 5:14 am and sunset at 9:20 pm BST.
Sunshine
The average sunshine in May in Grampound is 8.3h.UV index
The average daily maximum UV index in May in Grampound is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 4 suggests this advice:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Grampound in May?
What is the average humidity in May in Grampound?
What is the driest month in Grampound?
How many days does it rain in May in Grampound?
When it does not snow in Grampound?
How many hours of daylight does Grampound have in May?
When is the sunrise / sunset in May in Grampound?
How long on average sun shines in May in Grampound?
How high is the UV index in May in Grampound?
Average temperature in May
Grampound, 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
Grampound, 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
Grampound, 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
Grampound, 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
Grampound, 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
Grampound, 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
Grampound, 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
Grampound, 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
Grampound, United Kingdom
- Average daylight in May: 15h and 3min
The month with the longest days is June (Average daylight: 16h and 18min).
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
Grampound, 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
Grampound, 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
Grampound, 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
Grampound, 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).
Grampound, United Kingdom
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