May weather forecast and climate
Monte das Casas Velhas, Portugal

Weather in May

May, the last month of the spring, in Monte das Casas Velhas, is a moderately hot month, with average temperature fluctuating between 12.3°C (54.1°F) and 24.9°C (76.8°F).

Temperature

In Monte das Casas Velhas, the average high-temperature slightly increases, from an agreeable 20.2°C (68.4°F) in April, to a moderately hot 24.9°C (76.8°F). In Monte das Casas Velhas, the average low-temperature is 12.3°C (54.1°F).

Humidity

In May, the average relative humidity in Monte das Casas Velhas is 65%.

Rainfall

In Monte das Casas Velhas, it is raining for 9.2 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, there are 107.1 rainfall days, and 346mm (13.62") of precipitation is accumulated.

Daylight

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

Sunshine

In May, the average sunshine in Monte das Casas Velhas is 10.2h.

UV index

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Monte das Casas Velhas?

In Monte das Casas Velhas, Portugal, in May, the average high-temperature is 24.9°C (76.8°F), and the average low-temperature is 12.3°C (54.1°F).

What is the average humidity in May in Monte das Casas Velhas?

In Monte das Casas Velhas, Portugal, the average relative humidity in May is 65%.

How much does it rain in Monte das Casas Velhas in May?

In Monte das Casas Velhas, during May, the rain falls for 9.2 days and regularly aggregates up to 30mm (1.18") of precipitation.

What is the average length of the day in May in Monte das Casas Velhas?

The average length of the day in May in Monte das Casas Velhas is 14.3h.

How long on average sun shines in May in Monte das Casas Velhas?

In May, the average sunshine in Monte das Casas Velhas, Portugal, is 10.2h.

How high is the UV index in May in Monte das Casas Velhas?

In May, the average daily maximum UV index in Monte das Casas Velhas is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.

Average temperature in May
Monte das Casas Velhas, Portugal

Average temperature in May - Monte das Casas Velhas, Portugal
  • Average high temperature in May: 24.9°C

The warmest month (with the highest average high temperature) is August (33.7°C).
The month with the lowest average high temperature is January (14°C).

  • Average low temperature in May: 12.3°C

Months with the highest average low temperature are July and August (16.1°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).

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Average pressure in May
Monte das Casas Velhas, Portugal

Average pressure in May - Monte das Casas Velhas, Portugal
  • Average pressure in May: 1016mbar

The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed in May
Monte das Casas Velhas, Portugal

Average wind speed in May - Monte das Casas Velhas, Portugal
  • Average wind speed in May: 10.9km/h

The windiest month (with the highest average wind speed) is March (11.5km/h).
The calmest month (with the lowest average wind speed) is September (9.3km/h).

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Average humidity in May
Monte das Casas Velhas, Portugal

Average humidity in May - Monte das Casas Velhas, Portugal
  • Average humidity in May: 65%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (54%).

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Average rainfall in May
Monte das Casas Velhas, Portugal

Average rainfall in May - Monte das Casas Velhas, Portugal
  • Average rainfall in May: 30mm

The wettest month (with the highest rainfall) is April (53mm).
The driest months (with the least rainfall) are July and August (1mm).

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Average rainfall days in May
Monte das Casas Velhas, Portugal

Average rainfall days in May - Monte das Casas Velhas, Portugal
  • Average rainfall days in May: 9.2 days

Months with the highest number of rainy days are March and April (14.9 days).
The month with the least rainy days is August (1.3 days).

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Average daylight in May /
Average sunshine in May
Monte das Casas Velhas, Portugal

Average daylight in May / Average sunshine in May - Monte das Casas Velhas, 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: 10.2h

The month with the most sunshine is July (Average sunshine: 11.5h).
The month with the least sunshine is January (Average sunshine: 5.3h).

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Average sunshine days in May
Monte das Casas Velhas, Portugal

Average sunshine days in May - Monte das Casas Velhas, Portugal
  • Average sunshine days in May: 19.9 days

The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is April (13.4 days).

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Average UV index in May
Monte das Casas Velhas, Portugal

Average UV index in May - Monte das Casas Velhas, Portugal
  • Average UV index in May: 6

The month with the highest UV index is August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
Monte das Casas Velhas, Portugal

Average cloud cover in May - Monte das Casas Velhas, Portugal
  • Average cloud cover in May: 27

The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 12).

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Average visibility in May
Monte das Casas Velhas, Portugal

Average visibility in May - Monte das Casas Velhas, Portugal
  • Average visibility in May: 9km

The month with the highest visibility is June (10km).
Months with the lowest visibility are January and April (8km).

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