May weather forecast and climate
Quiaios, Portugal

Weather in May

The last month of the spring, May, is also an enjoyable month in Quiaios, Portugal, with average temperature fluctuating between 13.7°C (56.7°F) and 19.3°C (66.7°F).

Temperature

In Quiaios, the average high-temperature is practically the same as in April - a still enjoyable 19.3°C (66.7°F). The average low-temperature, in Quiaios, is 13.7°C (56.7°F).

Humidity

In May, the average relative humidity is 75%.

Rainfall

In Quiaios, during May, the rain falls for 10.6 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, in Quiaios, Portugal, there are 130.4 rainfall days, and 585mm (23.03") of precipitation is accumulated.

Daylight

The average length of the day in Quiaios is 14.4h.

Sunshine

The average sunshine in May is 10.3h.

UV index

May through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Quiaios?

The average high-temperature, in May, in Quiaios, Portugal, is 19.3°C (66.7°F), while the average low-temperature is 13.7°C (56.7°F).

What is the average humidity in May in Quiaios?

In May, the average relative humidity in Quiaios, Portugal, is 75%.

How much does it rain in Quiaios in May?

In Quiaios, Portugal, during May, the rain falls for 10.6 days and regularly aggregates up to 38mm (1.5") of precipitation.

How many hours of daylight does Quiaios have in May?

In Quiaios, Portugal, the average length of the day in May is 14.4h.

How long on average sun shines in May in Quiaios?

In Quiaios, Portugal, the average sunshine in May is 10.3h.

What are the months with the highest UV index in Quiaios?

Months with the highest UV index in Quiaios, Portugal, are May through September, with an average maximum UV index of 5.

What is the UV index reading in May in Quiaios?

In May, the average daily maximum UV index in Quiaios, Portugal, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in May
Quiaios, Portugal

Average temperature in May - Quiaios, Portugal
  • Average high temperature in May: 19.3°C

The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (13.7°C).

  • Average low temperature in May: 13.7°C

Months with the highest average low temperature are July and August (16.8°C).
The coldest month (with the lowest average low temperature) is February (9.3°C).

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Average pressure in May
Quiaios, Portugal

Average pressure in May - Quiaios, Portugal
  • Average pressure in May: 1016.4mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed in May
Quiaios, Portugal

Average wind speed in May - Quiaios, Portugal
  • Average wind speed in May: 15.4km/h

The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is September (12.8km/h).

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Average humidity in May
Quiaios, Portugal

Average humidity in May - Quiaios, Portugal
  • Average humidity in May: 75%

The month with the highest relative humidity is January (78%).
Months with the lowest relative humidity are September and October (74%).

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Average rainfall in May
Quiaios, Portugal

Average rainfall in May - Quiaios, Portugal
  • Average rainfall in May: 38mm

The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is July (6mm).

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Average rainfall days in May
Quiaios, Portugal

Average rainfall days in May - Quiaios, Portugal
  • Average rainfall days in May: 10.6 days

The month with the highest number of rainy days is November (16 days).
The month with the least rainy days is August (4.5 days).

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Average daylight in May /
Average sunshine in May
Quiaios, Portugal

Average daylight in May / Average sunshine in May - Quiaios, Portugal
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 10.3h

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is January (Average sunshine: 5.2h).

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Average sunshine days in May
Quiaios, Portugal

Average sunshine days in May - Quiaios, Portugal
  • Average sunshine days in May: 18.7 days

The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is November (11.9 days).

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Average UV index in May
Quiaios, Portugal

Average UV index in May - Quiaios, Portugal
  • Average UV index in May: 5

Months with the highest UV index are May, June, July, August and September (UV index 5).
The month with the lowest UV index is January (UV index 3).

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Average cloud cover in May
Quiaios, Portugal

Average cloud cover in May - Quiaios, Portugal
  • Average cloud cover in May: 28

The month with the most cloud cover is January (Cloud cover 42).
Months with the least cloud cover are August and September (Cloud cover 20).

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Average visibility in May
Quiaios, Portugal

Average visibility in May - Quiaios, Portugal
  • Average visibility in May: 10km

Months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
Months with the lowest visibility are July and August (9km).

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