May weather forecast
Duval, Guernsey

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Weather in May

May is the transition month towards summer with the temperature scaling up to 12.8°C (55°F). It is one of the wettest months with considerable rainfall observed. However, the long and sunny days allow residents and tourists to experience the city's mesmerizing warmth. Despite the increase in temperature, the city continues to enjoy the moderate sea breeze. The city is enveloped in a blanket of fog during the early mornings, which gradually retreats as the sun makes its way up the skyline.

Temperature

At the onset of May, Duval records an average high-temperature of a still fresh 12.8°C (55°F), showing little deviation from the preceding month. Duval's nighttime temperatures in May see a subtle dip to an average of 10.6°C (51.1°F).

Humidity

The average relative humidity in May in Duval, Guernsey, is 82%.

Rainfall

In Duval, Guernsey, during May, the rain falls for 11.8 days and regularly aggregates up to 27mm (1.06") of precipitation. In Duval, during the entire year, the rain falls for 196.3 days and collects up to 557mm (21.93") of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

In Duval, 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 20:26. On the last day of the month, sunrise is at 05:08 and sunset at 21:06 BST.

Sunshine

In May, the average sunshine is 9.1h.

UV index

The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 4 in May interprets into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What is the usual temperature for Duval in May?

In May, the average high-temperature and low-temperature in Duval are 12.8°C (55°F) and 10.6°C (51.1°F) respectively.

What is the average humidity in May in Duval?

The average relative humidity in May is 82%.

How many days does it rain in May in Duval?

In Duval, Guernsey, in May, it is raining for 11.8 days, with typically 27mm (1.06") of accumulated precipitation.

When it does not snow in Duval?

February through December are months without snowfall in Duval.

What is the average length of the day in May in Duval?

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

When is the sunrise / sunset in May in Duval?

In May, on the first day of the month, sunrise is at 05:46 and sunset at 20:26. On the last day of the month, in Duval, Guernsey, sunrise is at 05:08 and sunset at 21:06 BST.

How long on average sun shines in May in Duval?

In Duval, Guernsey, the average sunshine duration in May is 9.1h.

What is the UV index reading in May in Duval?

In May, the average daily maximum UV index in Duval is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
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
Duval, Guernsey

Average temperature in May - Duval, 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).

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Average pressure in May
Duval, Guernsey

Average pressure in May - Duval, 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).

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Average wind speed in May
Duval, Guernsey

Average wind speed in May - Duval, 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).

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Average humidity in May
Duval, Guernsey

Average humidity in May - Duval, 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%).

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Average rainfall in May
Duval, Guernsey

Average rainfall in May - Duval, 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).

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Average rainfall days in May
Duval, Guernsey

Average rainfall days in May - Duval, 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).

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Average snowfall in May
Duval, Guernsey

Average snowfall in May - Duval, 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).

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Average snowfall days in May
Duval, Guernsey

Average snowfall days in May - Duval, 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).

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Average daylight in May /
Average sunshine in May
Duval, Guernsey

Average daylight in May / Average sunshine in May - Duval, 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 18min).

  • 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).

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Average sunshine days in May
Duval, Guernsey

Average sunshine days in May - Duval, 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).

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Average UV index in May
Duval, Guernsey

Average UV index in May - Duval, 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).

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Average cloud cover in May
Duval, Guernsey

Average cloud cover in May - Duval, 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).

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Average visibility in May
Duval, Guernsey

Average visibility in May - Duval, 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).

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Duval, Guernsey

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