May weather forecast
Sagres, Portugal

May

Weather in May

May signals the unofficial start of summer in Sagres, with the increase in temperature being more pronounced. Despite the rise in temperature, the climate remains balanced with the presence of frequent sea breezes. As May progresses, the skies are brighter and the days longer, offering more hours of daylight to enjoy outdoor activities. The notably lower cloud percentage of 21% ensures clear skies for most of the time. May combines warmth with relatively mild weather conditions, making it ideal for holidaying in Sagres.

Temperature

Sagres experiences a recorded average high-temperature of a still enjoyable 18.6°C (65.5°F) in May, closely aligned with April's 16.7°C (62.1°F). Night temperatures during May in Sagres stabilize at an average of 16.7°C (62.1°F), closely mirroring the daytime temperatures.

Humidity

In Sagres, the average relative humidity in May is 76%.

Rainfall

In Sagres, Portugal, during May, the rain falls for 6.5 days and regularly aggregates up to 20mm (0.79") of precipitation. In Sagres, during the entire year, the rain falls for 90.2 days and collects up to 310mm (12.2") of precipitation.

Sea temperature

In May, the average sea temperature in Sagres is 18.3°C (64.9°F).
Note: Most individuals do not find swimming at 18.3°C (64.9°F) to be enjoyable. As the water temperature declines below 21°C (69.8°F), maintaining control over one's breathing becomes harder.

Daylight

The average length of the day in May in Sagres is 14h and 10min.
On the first day of the month, sunrise is at 06:40 and sunset at 20:25. On the last day of May, in Sagres, sunrise is at 06:17 and sunset at 20:49 WEST.

Sunshine

In Sagres, the average sunshine in May is 10.8h.

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 5 in May translates into this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What is the usual temperature for Sagres in May?
In May, the average high-temperature and low-temperature are 18.6°C (65.5°F) and 16.7°C (62.1°F) respectively.
What is the average humidity in May in Sagres?
In Sagres, the average relative humidity in May is 76%.
How much does it rain in Sagres in May?
In Sagres, Portugal, during May, the rain falls for 6.5 days and regularly aggregates up to 20mm (0.79") of precipitation.
What is the sea temperature in May in Sagres?
In May, the average sea temperature in Sagres is 18.3°C (64.9°F). Swimming in 18.3°C (64.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
What is the average length of the day in May in Sagres?
In Sagres, Portugal, the average day length in May is 14h and 10min.
When are sunrise and sunset in May in Sagres?
On the first day of May in Sagres, sunrise is at 06:40 and sunset at 20:25. On the last day of the month, sunrise is at 06:17 and sunset at 20:49 WEST.
How long on average sun shines in May in Sagres?
The average sunshine duration in May in Sagres is 10.8h.
What is the UV index reading in May in Sagres?
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May - Sagres, Portugal
Average temperature in May
Sagres, Portugal
  • Average high temperature in May: 18.6°C

The warmest month (with the highest average high temperature) is August (22.2°C).
The month with the lowest average high temperature is February (14.9°C).

  • Average low temperature in May: 16.7°C

The month with the highest average low temperature is August (20.3°C).
The coldest month (with the lowest average low temperature) is February (13.3°C).

Average pressure in May - Sagres, Portugal
Average pressure in May
Sagres, Portugal
  • Average pressure in May: 1016.3mbar

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

Average wind speed in May - Sagres, Portugal
Average wind speed in May
Sagres, Portugal
  • Average wind speed in May: 21.6km/h

The windiest month (with the highest average wind speed) is July (25.2km/h).
The calmest month (with the lowest average wind speed) is September (18.6km/h).

Average humidity in May - Sagres, Portugal
Average humidity in May
Sagres, Portugal
  • Average humidity in May: 76%

The month with the highest relative humidity is July (79%).
The months with the lowest relative humidity are January, February, November and December (73%).

Average rainfall in May - Sagres, Portugal
Average rainfall in May
Sagres, Portugal
  • Average rainfall in May: 20mm

The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is July (1mm).

Average rainfall days in May - Sagres, Portugal
Average rainfall days in May
Sagres, Portugal
  • Average rainfall days in May: 6.5 days

The month with the highest number of rainy days is November (12.7 days).
The month with the least rainy days is August (1.4 days).

Average sea temperature in May - Sagres, Portugal
Average sea temperature in May
Sagres, Portugal
  • Average sea temperature in May: 18.3°C

The best month for swimming (with the highest average sea temperature) is September (21.2°C).
The coldest month (with the lowest average sea temperature) is March (16°C).

Average daylight in May / Average sunshine in May - Sagres, Portugal
Average daylight in May /
Average sunshine in May
Sagres, Portugal
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in May: 10h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

Average sunshine days in May - Sagres, Portugal
Average sunshine days in May
Sagres, Portugal
  • Average sunshine days in May: 23.5 days

The month with the most sunshine days is August (29.1 days).
The month with the least sunshine days is November (15.6 days).

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

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

Average cloud cover in May - Sagres, Portugal
Average cloud cover in May
Sagres, Portugal
  • Average cloud cover in May: 21

The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 9).

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

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

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