May weather forecast and climate
Samuel, Portugal

Weather in May

The last month of the spring, May, is also an enjoyable month in Samuel, Portugal, with average temperature varying between 19.3°C (66.7°F) and 13.7°C (56.7°F).

Temperature

In Samuel, the average high-temperature is relatively the same as in April - a still enjoyable 19.3°C (66.7°F). In May, the average low-temperature is 13.7°C (56.7°F).

Humidity

The average relative humidity in Samuel, Portugal, is 75%.

Rainfall

In Samuel, it is raining for 10.6 days, with typically 38mm (1.5") of accumulated precipitation. In Samuel, Portugal, during the entire year, the rain falls for 130.4 days and collects up to 585mm (23.03") of precipitation.

Daylight

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

Sunshine

In Samuel, Portugal, the average sunshine in May is 10.3h.

UV index

Months with the highest UV index are May through September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Samuel?

In May, in Samuel, the average high-temperature is 19.3°C (66.7°F), and the average low-temperature is 13.7°C (56.7°F).

What is the average humidity in May in Samuel?

In Samuel, Portugal, the average relative humidity in May is 75%.

How much does it rain in Samuel in May?

In Samuel, during May, the rain falls for 10.6 days and regularly aggregates up to 38mm (1.5") of precipitation.

How many hours of daylight does Samuel have in May?

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

How long on average sun shines in May in Samuel?

In May, the average sunshine in Samuel, Portugal, is 10.3h.

What is the month with the highest UV index in Samuel?

Months with the highest UV index in Samuel, Portugal, are May through September, with an average maximum UV index of 5.

How high is the UV index in May in Samuel?

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

Average temperature in May
Samuel, Portugal

Average temperature in May - Samuel, Portugal
  • Average high temperature in May: 19.3°C

The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (13.7°C).

  • Average low temperature in May: 13.7°C

Months with the highest average low temperature are July and August (16.8°C).
The coldest month (with the lowest average low temperature) is February (9.3°C).

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Average pressure in May
Samuel, Portugal

Average pressure in May - Samuel, Portugal
  • Average pressure in May: 1016.4mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed in May
Samuel, Portugal

Average wind speed in May - Samuel, Portugal
  • Average wind speed in May: 15.4km/h

The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is September (12.8km/h).

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Average humidity in May
Samuel, Portugal

Average humidity in May - Samuel, Portugal
  • Average humidity in May: 75%

The month with the highest relative humidity is January (78%).
Months with the lowest relative humidity are September and October (74%).

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Average rainfall in May
Samuel, Portugal

Average rainfall in May - Samuel, Portugal
  • Average rainfall in May: 38mm

The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is July (6mm).

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Average rainfall days in May
Samuel, Portugal

Average rainfall days in May - Samuel, Portugal
  • Average rainfall days in May: 10.6 days

The month with the highest number of rainy days is November (16 days).
The month with the least rainy days is August (4.5 days).

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

Average daylight in May / Average sunshine in May - Samuel, 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: 10.3h

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is January (Average sunshine: 5.2h).

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Average sunshine days in May
Samuel, Portugal

Average sunshine days in May - Samuel, Portugal
  • Average sunshine days in May: 18.7 days

The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is November (11.9 days).

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Average UV index in May
Samuel, Portugal

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

Months with the highest UV index are May, June, July, August and September (UV index 5).
The month with the lowest UV index is January (UV index 3).

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Average cloud cover in May
Samuel, Portugal

Average cloud cover in May - Samuel, Portugal
  • Average cloud cover in May: 28

The month with the most cloud cover is January (Cloud cover 42).
Months with the least cloud cover are August and September (Cloud cover 20).

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Average visibility in May
Samuel, Portugal

Average visibility in May - Samuel, Portugal
  • Average visibility in May: 10km

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

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