May weather forecast and climate
Vale de Afonsinho, Portugal

Weather in May

May, the last month of the spring, in Vale de Afonsinho, is a comfortable month, with average temperature ranging between max 19.8°C (67.6°F) and min 8.3°C (46.9°F).

Temperature

In May, the average high-temperature slightly increases, from a moderate 15.5°C (59.9°F) in April, to an enjoyable 19.8°C (67.6°F). In May, the average low-temperature is 8.3°C (46.9°F).

Humidity

The average relative humidity in Vale de Afonsinho is 70%.

Rainfall

In Vale de Afonsinho, during May, the rain falls for 10.8 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, in Vale de Afonsinho, there are 113.4 rainfall days, and 421mm (16.57") of precipitation is accumulated.

Snowfall

In Vale de Afonsinho snow does not fall through October.

Daylight

In Vale de Afonsinho, Portugal, the average length of the day in May is 14.5h.

Sunshine

In May, the average sunshine in Vale de Afonsinho is 9.4h.

UV index

In May, the average daily maximum UV index in Vale de Afonsinho is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Vale de Afonsinho?

In May, the average high-temperature is 19.8°C (67.6°F), and the average low-temperature is 8.3°C (46.9°F).

What is the average humidity in May in Vale de Afonsinho?

In May, the average relative humidity in Vale de Afonsinho, Portugal, is 70%.

How much does it rain in Vale de Afonsinho in May?

In May, in Vale de Afonsinho, Portugal, the rain falls for 10.8 days. Throughout May, 32mm (1.26") of precipitation is accumulated.

Does it snow in Vale de Afonsinho in May?

In May, in Vale de Afonsinho, it doesn't snow. April is the latest month when it typically snows.

When it does not snow in Vale de Afonsinho?

May through October are months without snowfall.

How many hours of daylight does Vale de Afonsinho have in May?

In May, the average length of the day in Vale de Afonsinho, Portugal, is 14.5h.

How long on average sun shines in May in Vale de Afonsinho?

In May, the average sunshine in Vale de Afonsinho, Portugal, is 9.4h.

How high is the UV index in May in Vale de Afonsinho?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in May
Vale de Afonsinho, Portugal

Average temperature in May - Vale de Afonsinho, Portugal
  • Average high temperature in May: 19.8°C

The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (8.7°C).

  • Average low temperature in May: 8.3°C

The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).

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Average pressure in May
Vale de Afonsinho, Portugal

Average pressure in May - Vale de Afonsinho, Portugal
  • Average pressure in May: 1016.1mbar

The month with the highest atmospheric pressure is December (1023.1mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

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Average wind speed in May
Vale de Afonsinho, Portugal

Average wind speed in May - Vale de Afonsinho, Portugal
  • Average wind speed in May: 10.8km/h

The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is September (9.1km/h).

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Average humidity in May
Vale de Afonsinho, Portugal

Average humidity in May - Vale de Afonsinho, Portugal
  • Average humidity in May: 70%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (50%).

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Average rainfall in May
Vale de Afonsinho, Portugal

Average rainfall in May - Vale de Afonsinho, Portugal
  • Average rainfall in May: 32mm

The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is August (6mm).

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Average rainfall days in May
Vale de Afonsinho, Portugal

Average rainfall days in May - Vale de Afonsinho, Portugal
  • Average rainfall days in May: 10.8 days

The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is August (2.7 days).

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Average snowfall in May
Vale de Afonsinho, Portugal

Average snowfall in May - Vale de Afonsinho, Portugal
  • Average snowfall in May: 0mm

Months with the highest snowfall are January and February (44mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in May
Vale de Afonsinho, Portugal

Average snowfall days in May - Vale de Afonsinho, Portugal
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (3.9 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Vale de Afonsinho, Portugal

Average daylight in May / Average sunshine in May - Vale de Afonsinho, Portugal
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 9.4h

Months with the most sunshine are July and August (Average sunshine: 11.6h).
The month with the least sunshine is January (Average sunshine: 4.3h).

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Average sunshine days in May
Vale de Afonsinho, Portugal

Average sunshine days in May - Vale de Afonsinho, Portugal
  • Average sunshine days in May: 18.5 days

The month with the most sunshine days is August (27.1 days).
The month with the least sunshine days is April (12.5 days).

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Average UV index in May
Vale de Afonsinho, Portugal

Average UV index in May - Vale de Afonsinho, Portugal
  • Average UV index in May: 5

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Vale de Afonsinho, Portugal

Average cloud cover in May - Vale de Afonsinho, Portugal
  • Average cloud cover in May: 35

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 12).

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Average visibility in May
Vale de Afonsinho, Portugal

Average visibility in May - Vale de Afonsinho, Portugal
  • Average visibility in May: 9km

Months with the highest visibility are July, August and September (10km).
Months with the lowest visibility are January, February, April, November and December (8km).

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