May weather forecast and climate
Passagem, Portugal

Weather in May

The last month of the spring, May, is a pleasant month in Passagem, Portugal, with temperature in the range of an average low of 12.7°C (54.9°F) and an average high of 21.1°C (70°F).

Temperature

In May, the average high-temperature is almost the same as in April - a pleasant 21.1°C (70°F). The average low-temperature, in May, is 12.7°C (54.9°F).

Humidity

In Passagem, Portugal, the average relative humidity is 73%.

Rainfall

In Passagem, it is raining for 9.6 days, with typically 35mm (1.38") of accumulated precipitation. Throughout the year, in Passagem, there are 120.2 rainfall days, and 453mm (17.83") of precipitation is accumulated.

Daylight

The average length of the day is 14.4h.

Sunshine

The average sunshine in May is 10.1h.

UV index

In Passagem, Portugal, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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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FAQ

What is the temperature in May in Passagem?

The average high-temperature, in May, in Passagem, is 21.1°C (70°F), while the average low-temperature is 12.7°C (54.9°F).

What is the average humidity in May in Passagem?

In May, the average relative humidity in Passagem, Portugal, is 73%.

How much does it rain in Passagem in May?

In Passagem, in May, during 9.6 rainfall days, 35mm (1.38") of precipitation is typically accumulated.

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

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

How long on average sun shines in May in Passagem?

In Passagem, the average sunshine in May is 10.1h.

How high is the UV index in May in Passagem?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in May
Passagem, Portugal

Average temperature in May - Passagem, Portugal
  • Average high temperature in May: 21.1°C

The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (13.8°C).

  • Average low temperature in May: 12.7°C

The month with the highest average low temperature is July (15.9°C).
The coldest month (with the lowest average low temperature) is February (7.8°C).

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Average pressure in May
Passagem, Portugal

Average pressure in May - Passagem, Portugal
  • Average pressure in May: 1016.3mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed in May
Passagem, Portugal

Average wind speed in May - Passagem, Portugal
  • Average wind speed in May: 13.3km/h

The windiest month (with the highest average wind speed) is February (14.8km/h).
The calmest month (with the lowest average wind speed) is September (11km/h).

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Average humidity in May
Passagem, Portugal

Average humidity in May - Passagem, Portugal
  • Average humidity in May: 73%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is September (70%).

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Average rainfall in May
Passagem, Portugal

Average rainfall in May - Passagem, Portugal
  • Average rainfall in May: 35mm

The wettest month (with the highest rainfall) is November (74mm).
The driest month (with the least rainfall) is July (5mm).

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Average rainfall days in May
Passagem, Portugal

Average rainfall days in May - Passagem, Portugal
  • Average rainfall days in May: 9.6 days

The month with the highest number of rainy days is November (14.8 days).
The month with the least rainy days is August (3.1 days).

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

Average daylight in May / Average sunshine in May - Passagem, 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: 10.1h

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is January (Average sunshine: 5.2h).

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Average sunshine days in May
Passagem, Portugal

Average sunshine days in May - Passagem, Portugal
  • Average sunshine days in May: 19.8 days

The month with the most sunshine days is August (25.4 days).
Months with the least sunshine days are April and November (13.9 days).

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Average UV index in May
Passagem, Portugal

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

The month with the highest UV index is August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in May
Passagem, Portugal

Average cloud cover in May - Passagem, Portugal
  • Average cloud cover in May: 29

The month with the most cloud cover is January (Cloud cover 43).
Months with the least cloud cover are August and September (Cloud cover 21).

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Average visibility in May
Passagem, Portugal

Average visibility in May - Passagem, Portugal
  • Average visibility in May: 9km

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

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