May weather forecast
Bilboa, Ireland

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Weather in May

May, the last month of the spring in Bilboa, is a mild month, with an average temperature ranging between max 13.8°C (56.8°F) and min 5.8°C (42.4°F).

Temperature

Bilboa's average high-temperature in May sits at a mild 13.8°C (56.8°F), showing little difference from the previous month. Throughout May, an average low-temperature of 5.8°C (42.4°F) is experienced.

Humidity

In May, the average relative humidity in Bilboa is 87%.

Rainfall

In May, in Bilboa, Ireland, the rain falls for 14.5 days. Throughout May, 17mm (0.67") of precipitation is accumulated. Throughout the year, there are 167.6 rainfall days, and 283mm (11.14") of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in May in Bilboa is 15h and 49min.
On the first day of the month, sunrise is at 5:54 am and sunset at 8:56 pm. On the last day of May, in Bilboa, Ireland, sunrise is at 5:09 am and sunset at 9:41 pm IST.

Sunshine

With an average of 6.4h of sunshine, May has the most sunshine of the year in Bilboa, Ireland.

UV index

The average daily maximum UV index in May in Bilboa, Ireland, is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In May, the maximum UV index of 3 suggests this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What are the temperatures in Bilboa in May?

In May, in Bilboa, the average high-temperature is 13.8°C (56.8°F), and the average low-temperature is 5.8°C (42.4°F).

What is the average humidity in May in Bilboa?

In Bilboa, the average relative humidity in May is 87%.

How many days does it rain in May in Bilboa?

In Bilboa, in May, it is raining for 14.5 days, with typically 17mm (0.67") of accumulated precipitation.

When it does not snow in Bilboa?

April through October are months without snowfall in Bilboa, Ireland.

How many hours of daylight does Bilboa have in May?

In May, the average day length in Bilboa, Ireland, is 15h and 49min.

When is the sunrise / sunset in May in Bilboa?

In May, on the first day of the month, sunrise is at 5:54 am and sunset at 8:56 pm. On the last day of the month, in Bilboa, sunrise is at 5:09 am and sunset at 9:41 pm IST.

What month has the most sunshine in Bilboa?

May has the most sunshine of the year, with an average of 6.4h of sunshine.

How long on average sun shines in May in Bilboa?

In Bilboa, Ireland, the average sunshine duration in May is 6.4h.

What is the UV index reading in May in Bilboa?

The average daily maximum UV index in May in Bilboa is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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 visibility

Average temperature in May
Bilboa, Ireland

Average temperature in May - Bilboa, Ireland
  • Average high temperature in May: 13.8°C

The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (7°C).

  • Average low temperature in May: 5.8°C

The month with the highest average low temperature is July (10.6°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).

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Average pressure in May
Bilboa, Ireland

Average pressure in May - Bilboa, Ireland
  • Average pressure in May: 1016.1mbar

The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.5mbar).

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Average wind speed in May
Bilboa, Ireland

Average wind speed in May - Bilboa, Ireland
  • Average wind speed in May: 14.6km/h

The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).

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Average humidity in May
Bilboa, Ireland

Average humidity in May - Bilboa, Ireland
  • Average humidity in May: 87%

The months with the highest relative humidity are November and December (92%).
The month with the lowest relative humidity is April (86%).

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Average rainfall in May
Bilboa, Ireland

Average rainfall in May - Bilboa, Ireland
  • Average rainfall in May: 17mm

The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is March (16mm).

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Average rainfall days in May
Bilboa, Ireland

Average rainfall days in May - Bilboa, Ireland
  • Average rainfall days in May: 14.5 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is September (11.3 days).

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Average snowfall in May
Bilboa, Ireland

Average snowfall in May - Bilboa, Ireland
  • Average snowfall in May: 0mm

The month with the highest snowfall is November (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in May
Bilboa, Ireland

Average snowfall days in May - Bilboa, Ireland
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Bilboa, Ireland

Average daylight in May / Average sunshine in May - Bilboa, Ireland
  • Average daylight in May: 15h and 5min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in May: 6h and 2min

The month with the most sunshine is May (Average sunshine: 6h and 24min).
The months with the least sunshine are February, November and December (Average sunshine: 3h and 48min).

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Average sunshine days in May
Bilboa, Ireland

Average sunshine days in May - Bilboa, Ireland
  • Average sunshine days in May: 11.4 days

The month with the most sunshine days is November (13.9 days).
The month with the least sunshine days is July (7.3 days).

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Average UV index in May
Bilboa, Ireland

Average UV index in May - Bilboa, Ireland
  • Average UV index in May: 3

The months with the highest UV index are June and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in May
Bilboa, Ireland

Average cloud cover in May - Bilboa, Ireland
  • Average cloud cover in May: 61

The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is April (Cloud cover 58).

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Average visibility in May
Bilboa, Ireland

Average visibility in May - Bilboa, Ireland
  • Average visibility in May: 8km

The months with the highest visibility are February, March and December (9km).
The months with the lowest visibility are July, August and September (7km).

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Bilboa, Ireland

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