May weather forecast and climate
Samão, Portugal

Weather in May

The last month of the spring, May, is an agreeable month in Samão, Portugal, with temperature in the range of an average low of 9.2°C (48.6°F) and an average high of 20.7°C (69.3°F).

Temperature

In Samão, the average high-temperature marginally rises, from a comfortable 16.7°C (62.1°F) in April, to a pleasant 20.7°C (69.3°F). In Samão, the average low-temperature is 9.2°C (48.6°F).

Humidity

In May, the average relative humidity is 72%.

Rainfall

In Samão, in May, it is raining for 10.8 days, with typically 39mm (1.54") of accumulated precipitation. In Samão, during the entire year, the rain falls for 132.3 days and collects up to 791mm (31.14") of precipitation.

Snowfall

In Samão snow does not fall in April through October and December.

Daylight

In Samão, the average length of the day in May is 14.5h.

Sunshine

The average sunshine in Samão is 9.3h.

UV index

In May, the average daily maximum UV index in Samão is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
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 Samão?

The average high-temperature, in May, in Samão, Portugal, is 20.7°C (69.3°F), while the average low-temperature is 9.2°C (48.6°F).

What is the average humidity in May in Samão?

The average relative humidity in May in Samão is 72%.

How many days does it rain in May in Samão?

In Samão, Portugal, in May, it is raining for 10.8 days, with typically 39mm (1.54") of accumulated precipitation.

When it does not snow in Samão?

In Samão, Portugal, snow does not fall in April through October and December.

How many hours of daylight does Samão have in May?

In Samão, Portugal, the average length of the day in May is 14.5h.

How many hours of sunshine does Samão have in May?

In Samão, the average sunshine in May is 9.3h.

What is the UV index intensity in May in Samão?

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

Average temperature in May
Samão, Portugal

Average temperature in May - Samão, Portugal
  • Average high temperature in May: 20.7°C

The warmest months (with the highest average high temperature) are July and August (27.8°C).
The month with the lowest average high temperature is January (10.8°C).

  • Average low temperature in May: 9.2°C

The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.5°C).

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Average pressure in May
Samão, Portugal

Average pressure in May - Samão, Portugal
  • Average pressure in May: 1016.6mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed in May
Samão, Portugal

Average wind speed in May - Samão, Portugal
  • Average wind speed in May: 7.1km/h

The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).

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Average humidity in May
Samão, Portugal

Average humidity in May - Samão, Portugal
  • Average humidity in May: 72%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (62%).

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Average rainfall in May
Samão, Portugal

Average rainfall in May - Samão, Portugal
  • Average rainfall in May: 39mm

The wettest month (with the highest rainfall) is December (135mm).
The driest month (with the least rainfall) is July (7mm).

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Average rainfall days in May
Samão, Portugal

Average rainfall days in May - Samão, Portugal
  • Average rainfall days in May: 10.8 days

The month with the highest number of rainy days is January (16.2 days).
The month with the least rainy days is August (3.2 days).

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Average snowfall in May
Samão, Portugal

Average snowfall in May - Samão, Portugal
  • Average snowfall in May: 0mm

The month with the highest snowfall is January (5mm).
Months with the least snowfall are April, May, June, July, August, September, October and December (0mm).

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Average snowfall days in May
Samão, Portugal

Average snowfall days in May - Samão, Portugal
  • Average snowfall days in May: 0 days

Months with the highest number of snowfall days are January and February (0.3 days).
Months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).

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

Average daylight in May / Average sunshine in May - Samão, 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: 9.2h).

  • Average sunshine in May: 9.3h

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is January (Average sunshine: 4.3h).

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Average sunshine days in May
Samão, Portugal

Average sunshine days in May - Samão, Portugal
  • Average sunshine days in May: 18.6 days

The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is November (12.2 days).

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Average UV index in May
Samão, Portugal

Average UV index in May - Samão, 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 and February (UV index 2).

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Average cloud cover in May
Samão, Portugal

Average cloud cover in May - Samão, Portugal
  • Average cloud cover in May: 37

The month with the most cloud cover is January (Cloud cover 55).
Months with the least cloud cover are July and August (Cloud cover 22).

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Average visibility in May
Samão, Portugal

Average visibility in May - Samão, Portugal
  • Average visibility in May: 8km

Months with the highest visibility are July, August and September (9km).
Months with the lowest visibility are January, February, November and December (7km).

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