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 arrival of May brings an average high-temperature of a still fresh 12.8°C (55°F), closely following the temperature pattern of April. Saint Andrew, during the nights of May, averages a temperature close to its daytime high, at a still fresh 10.6°C (51.1°F).Humidity
In Saint Andrew, Guernsey, the average relative humidity in May is 82%.Rainfall
In Saint Andrew, during May, the rain falls for 11.8 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, in Saint Andrew, there are 196.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.Snowfall
In Saint Andrew, Guernsey, snow does not fall in February through December.Daylight
In May, the average length of the day 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, sunrise is at 05:08 and sunset at 21:07 BST.
Sunshine
In May, the average sunshine is 9.1h.UV index
In Saint Andrew, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Adopt protective measures - Suggestions to resist sunburn are offered. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the usual temperature for Saint Andrew in May?
What is the average humidity in May in Saint Andrew?
How much does it rain in Saint Andrew in May?
When it does not snow in Saint Andrew?
What is the average length of the day in May in Saint Andrew?
When are sunrise and sunset in May in Saint Andrew?
How many hours of sunshine does Saint Andrew have in May?
What is the UV index reading in May in Saint Andrew?
Average temperature in May
Saint Andrew, 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
Saint Andrew, 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
Saint Andrew, 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
Saint Andrew, 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
Saint Andrew, 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
Saint Andrew, 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
Saint Andrew, 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
Saint Andrew, 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
Saint Andrew, 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
Saint Andrew, 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
Saint Andrew, 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
Saint Andrew, 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
Saint Andrew, 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).
Saint Andrew, Guernsey
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