May weather forecast and climate
Pero Negro, Portugal

Weather in May

May, the last month of the spring, in Pero Negro, is an agreeable month, with temperature in the range of an average high of 20.4°C (68.7°F) and an average low of 14.4°C (57.9°F).

Temperature

In Pero Negro, Portugal, the average high-temperature is almost the same as in April - a pleasant 20.4°C (68.7°F). In May, in Pero Negro, the average low-temperature is 14.4°C (57.9°F).

Humidity

May, September and October, with an average relative humidity of 73%, are the least humid months in Pero Negro.

Rainfall

In May, in Pero Negro, the rain falls for 8.8 days. Throughout May, 30mm (1.18") of precipitation is accumulated. In Pero Negro, during the entire year, the rain falls for 118.2 days and collects up to 405mm (15.94") of precipitation.

Daylight

In May, the average length of the day is 14.3h.

Sunshine

In May, the average sunshine is 10.5h.

UV index

In Pero Negro, the average daily maximum UV index is 5. 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 average daily UV index of 5 in May transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in Pero Negro?

The average high-temperature, in May, in Pero Negro, Portugal, is 20.4°C (68.7°F), while the average low-temperature is 14.4°C (57.9°F).

What are the least humid months in Pero Negro?

May, September and October, with an average relative humidity of 73%, are the least humid months in Pero Negro, Portugal.

What is the average humidity in May in Pero Negro?

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

How much does it rain in Pero Negro in May?

In Pero Negro, in May, during 8.8 rainfall days, 30mm (1.18") of precipitation is typically accumulated.

What is the average length of the day in May in Pero Negro?

In Pero Negro, Portugal, the average length of the day in May is 14.3h.

How long on average sun shines in May in Pero Negro?

In Pero Negro, the average sunshine in May is 10.5h.

What is the UV index intensity in May in Pero Negro?

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

Average temperature in May
Pero Negro, Portugal

Average temperature in May - Pero Negro, Portugal
  • Average high temperature in May: 20.4°C

The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (14.5°C).

  • Average low temperature in May: 14.4°C

The month with the highest average low temperature is July (17.8°C).
The coldest month (with the lowest average low temperature) is February (10°C).

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Average pressure in May
Pero Negro, Portugal

Average pressure in May - Pero Negro, Portugal
  • Average pressure in May: 1016.5mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

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Average wind speed in May
Pero Negro, Portugal

Average wind speed in May - Pero Negro, Portugal
  • Average wind speed in May: 17.5km/h

The windiest month (with the highest average wind speed) is February (18.7km/h).
The calmest month (with the lowest average wind speed) is October (15km/h).

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Average humidity in May
Pero Negro, Portugal

Average humidity in May - Pero Negro, Portugal
  • Average humidity in May: 73%

The month with the highest relative humidity is January (77%).
Months with the lowest relative humidity are May, September and October (73%).

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Average rainfall in May
Pero Negro, Portugal

Average rainfall in May - Pero Negro, Portugal
  • Average rainfall in May: 30mm

The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is July (3mm).

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Average rainfall days in May
Pero Negro, Portugal

Average rainfall days in May - Pero Negro, Portugal
  • Average rainfall days in May: 8.8 days

The month with the highest number of rainy days is November (14.6 days).
The month with the least rainy days is August (2.6 days).

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Average daylight in May /
Average sunshine in May
Pero Negro, Portugal

Average daylight in May / Average sunshine in May - Pero Negro, Portugal
  • Average daylight in May: 14.3h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 10.5h

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is January (Average sunshine: 5.3h).

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Average sunshine days in May
Pero Negro, Portugal

Average sunshine days in May - Pero Negro, Portugal
  • Average sunshine days in May: 19.8 days

The month with the most sunshine days is July (26.4 days).
The month with the least sunshine days is November (12.8 days).

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Average UV index in May
Pero Negro, Portugal

Average UV index in May - Pero Negro, Portugal
  • Average UV index in May: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in May
Pero Negro, Portugal

Average cloud cover in May - Pero Negro, Portugal
  • Average cloud cover in May: 26

The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in May
Pero Negro, Portugal

Average visibility in May - Pero Negro, Portugal
  • Average visibility in May: 10km

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

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