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
May's onset records an average high-temperature of a still cool 12.8°C (55°F), a near match to April's 11°C (51.8°F). Grand Fort registers a subtle dip to an average of 10.6°C (51.1°F) during the nights of May.Humidity
In Grand Fort, the average relative humidity in May is 82%.Rainfall
In May, the rain falls for 11.8 days. Throughout May, 27mm (1.06") of precipitation is accumulated. Throughout the year, there are 196.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.Snowfall
In Grand Fort, snow does not fall in February through December.Daylight
In May, the average length of the day in Grand Fort is 15h and 22min.On the first day of the month, sunrise is at 05:46 and sunset at 20:27. On the last day of May, in Grand Fort, Guernsey, sunrise is at 05:08 and sunset at 21:07 BST.
Sunshine
In May, the average sunshine in Grand Fort is 9.1h.UV index
In Grand Fort, Guernsey, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 during May translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What is the usual temperature for Grand Fort in May?
What is the average humidity in May in Grand Fort?
How much does it rain in Grand Fort in May?
When it does not snow in Grand Fort?
What is the average length of the day in May in Grand Fort?
What time are sunrise and sunset in May in Grand Fort?
How long on average sun shines in May in Grand Fort?
What is the UV index intensity in May in Grand Fort?
Average temperature in May
Grand Fort, Guernsey
- Average high temperature in May: 12.8°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 (9.2°C).
- Average low temperature in May: 10.6°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7°C).
Average pressure in May
Grand Fort, Guernsey
- Average pressure in May: 1017.4mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in May
Grand Fort, Guernsey
- Average wind speed in May: 23.7km/h
The windiest month (with the highest average wind speed) is December (36km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).
Average humidity in May
Grand Fort, Guernsey
- Average humidity in May: 82%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are November and December (77%).
Average rainfall in May
Grand Fort, Guernsey
- Average rainfall in May: 27mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in May
Grand Fort, Guernsey
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is November (22.8 days).
The month with the least rainy days is June (11.5 days).
Average snowfall in May
Grand Fort, Guernsey
- Average snowfall in May: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Grand Fort, Guernsey
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Grand Fort, Guernsey
- Average daylight in May: 15h and 2min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).
Average sunshine days in May
Grand Fort, Guernsey
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4 days).
Average UV index in May
Grand Fort, Guernsey
- Average UV index in May: 4
The months with the highest UV index are July, August and September (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in May
Grand Fort, Guernsey
- Average cloud cover in May: 40
The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in May
Grand Fort, Guernsey
- 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).
Grand Fort, Guernsey
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