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 ushering in of May in L'Islet brings an average high-temperature of a still cool 12.8°C (55°F), closely mirroring the 11°C (51.8°F) of April. L'Islet's nighttime temperatures in May see a subtle dip to an average of 10.5°C (50.9°F).Humidity
In L'Islet, the average relative humidity in May is 82%.Rainfall
In May, the rain falls for 11.9 days. Throughout May, 28mm (1.1") of precipitation is accumulated. Throughout the year, there are 195.6 rainfall days, and 554mm (21.81") of precipitation is accumulated.Snowfall
February through December are months without snowfall in L'Islet.Daylight
In L'Islet, 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
The average sunshine in May is 9.1h.UV index
In L'Islet, Guernsey, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 4 in May suggests the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in L'Islet?
What is the average humidity in May in L'Islet?
How many days does it rain in May in L'Islet?
When it does not snow in L'Islet?
What is the average length of the day in May in L'Islet?
What time are sunrise and sunset in May in L'Islet?
How long on average sun shines in May in L'Islet?
How high is the UV index in May in L'Islet?
Average temperature in May
L'Islet, 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: 10.5°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (6.9°C).
Average pressure in May
L'Islet, 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
L'Islet, 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
L'Islet, 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
L'Islet, Guernsey
- Average rainfall in May: 28mm
The wettest month (with the highest rainfall) is November (78mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in May
L'Islet, Guernsey
- Average rainfall days in May: 11.9 days
The month with the highest number of rainy days is November (22.5 days).
The month with the least rainy days is June (11.4 days).
Average snowfall in May
L'Islet, 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
L'Islet, 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
L'Islet, 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 30min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in May
L'Islet, 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 (4.2 days).
Average UV index in May
L'Islet, 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
L'Islet, Guernsey
- Average cloud cover in May: 40
The months with the most cloud cover are January, November and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in May
L'Islet, 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).
L'Islet, Guernsey
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