May weather forecast
Grandes Capelles, Guernsey

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Weather in May

In Grandes Capelles, May is the month where Spring is in full bloom. Accentuated by a comforting temperature range from 10.6°C (51.1°F) to 12.8°C (55°F), the climatic conditions are prime for outdoor activities. The city experiences a further decrease in rainfall, aiding in the growth of lush greenery. Longer, brighter days complimented by cooler winds make for an ideal climate. The fading echo of winter subsides entirely, paving the way for the summer sun.

Temperature

As Grandes Capelles, Guernsey, transitions from April to May, the average high-temperatures adjust to a still cool 12.8°C (55°F), nearly the same as the previous 11°C (51.8°F). During May, nights in Grandes Capelles cool slightly to an average low of 10.6°C (51.1°F).

Humidity

In Grandes Capelles, the average relative humidity in May is 82%.

Rainfall

In Grandes Capelles, during May, the rain falls for 11.8 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, in Grandes Capelles, there are 196.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.

Snowfall

In Grandes Capelles, snow does not fall in February through December.

Daylight

In Grandes Capelles, the average length of the day in May is 15h and 22min.
On the first day of May, sunrise is at 05:46 and sunset at 20:27. On the last day of the month, sunrise is at 05:08 and sunset at 21:07 BST.

Sunshine

In May, the average sunshine is 9.1h.

UV index

In Grandes Capelles, Guernsey, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 4 in May translates into these instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What are the temperatures in Grandes Capelles in May?

The high-temperature, in May, in Grandes Capelles, records 12.8°C (55°F), while the low-temperature is 10.6°C (51.1°F).

What is the average humidity in May in Grandes Capelles?

In Grandes Capelles, the average relative humidity in May is 82%.

How many days does it rain in May in Grandes Capelles?

In May, in Grandes Capelles, Guernsey, the rain falls for 11.8 days. Throughout May, 27mm (1.06") of precipitation is accumulated.

When it does not snow in Grandes Capelles?

In Grandes Capelles, Guernsey, snow does not fall in February through December.

How many hours of daylight does Grandes Capelles have in May?

In May, the average day length is 15h and 22min.

When are sunrise and sunset in May in Grandes Capelles?

In May, on the first day of the month, sunrise is at 05:46 and sunset at 20:27. On the last day of the month, sunrise is at 05:08 and sunset at 21:07 BST.

How many hours of sunshine does Grandes Capelles have in May?

The average sunshine duration in May in Grandes Capelles, Guernsey, is 9.1h.

How high is the UV index in May in Grandes Capelles?

In May, the average daily maximum UV index in Grandes Capelles, Guernsey, is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Grandes Capelles, Guernsey

Average temperature in May - Grandes Capelles, 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
Grandes Capelles, Guernsey

Average pressure in May - Grandes Capelles, 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
Grandes Capelles, Guernsey

Average wind speed in May - Grandes Capelles, 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
Grandes Capelles, Guernsey

Average humidity in May - Grandes Capelles, 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
Grandes Capelles, Guernsey

Average rainfall in May - Grandes Capelles, 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
Grandes Capelles, Guernsey

Average rainfall days in May - Grandes Capelles, 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
Grandes Capelles, Guernsey

Average snowfall in May - Grandes Capelles, 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
Grandes Capelles, Guernsey

Average snowfall days in May - Grandes Capelles, 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
Grandes Capelles, Guernsey

Average daylight in May / Average sunshine in May - Grandes Capelles, 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
Grandes Capelles, Guernsey

Average sunshine days in May - Grandes Capelles, 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
Grandes Capelles, Guernsey

Average UV index in May - Grandes Capelles, 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
Grandes Capelles, Guernsey

Average cloud cover in May - Grandes Capelles, 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
Grandes Capelles, Guernsey

Average visibility in May - Grandes Capelles, 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).

Grandes Capelles, Guernsey

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