May weather forecast
Almancil, Portugal

May

Weather in May

The last month of the spring, May, is a pleasant month in Almancil, Portugal, with temperature in the range of an average high of 21.8°C (71.2°F) and an average low of 15.2°C (59.4°F).

Temperature

With the beginning of May, Almancil's average high-temperature sees a minor increase, transitioning from an enjoyable 18.4°C (65.1°F) in April to a pleasant 21.8°C (71.2°F). Almancil, in May, witnesses an average low-temperature of 15.2°C (59.4°F).

Humidity

In May, the average relative humidity in Almancil is 68%.

Rainfall

In Almancil, during May, the rain falls for 3.5 days and regularly aggregates up to 5mm (0.2") of precipitation. In Almancil, during the entire year, the rain falls for 46.1 days and collects up to 69mm (2.72") of precipitation.

Sea temperature

In Almancil, the average seawater temperature in May is 17°C (62.6°F).
Note: In water with a temperature of 17°C (62.6°F), most individuals do not find swimming enjoyable. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), breathing control becomes more difficult.

Daylight

The average length of the day in May in Almancil is 14h and 10min.
On the first day of May, sunrise is at 06:36 and sunset at 20:21. On the last day of the month, sunrise is at 06:13 and sunset at 20:45 WEST.

Sunshine

In Almancil, the average sunshine in May is 11.1h.

UV index

May through September, with an average maximum UV index of 6, are months with the highest UV index in Almancil, Portugal. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

What are the temperatures in Almancil in May?
The high-temperature, in May, in Almancil, records 21.8°C (71.2°F), while the low-temperature is 15.2°C (59.4°F).
What is the average humidity in May in Almancil?
The average relative humidity in May is 68%.
How much does it rain in Almancil in May?
In May, the rain falls for 3.5 days. Throughout May, 5mm (0.2") of precipitation is accumulated.
How cold is the water in May in Almancil?
In May, the average sea temperature is 17°C (62.6°F). Swimming in 17°C (62.6°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 Almancil?
In Almancil, the average day length in May is 14h and 10min.
When are sunrise and sunset in May in Almancil?
In May, on the first day of the month, sunrise is at 06:36 and sunset at 20:21. On the last day of the month, in Almancil, sunrise is at 06:13 and sunset at 20:45 WEST.
How many hours of sunshine does Almancil have in May?
The average sunshine duration in May is 11.1h.
What are the months with the highest UV index in Almancil?
May through September, with an average maximum UV index of 6, are months with the highest UV index.
How high is the UV index in May in Almancil?
The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
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 - Almancil, Portugal
Average temperature in May
Almancil, Portugal
  • Average high temperature in May: 21.8°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (14.9°C).

  • Average low temperature in May: 15.2°C

The month with the highest average low temperature is August (20°C).
The coldest month (with the lowest average low temperature) is February (10.2°C).

Average pressure in May - Almancil, Portugal
Average pressure in May
Almancil, Portugal
  • Average pressure in May: 1015.9mbar

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

Average wind speed in May - Almancil, Portugal
Average wind speed in May
Almancil, Portugal
  • Average wind speed in May: 15km/h

The windiest months (with the highest average wind speed) are February and March (17.7km/h).
The calmest month (with the lowest average wind speed) is September (12km/h).

Average humidity in May - Almancil, Portugal
Average humidity in May
Almancil, Portugal
  • Average humidity in May: 68%

The months with the highest relative humidity are January, April and December (75%).
The month with the lowest relative humidity is August (60%).

Average rainfall in May - Almancil, Portugal
Average rainfall in May
Almancil, Portugal
  • Average rainfall in May: 5mm

The wettest month (with the highest rainfall) is November (14mm).
The driest months (with the least rainfall) are July and August (0mm).

Average rainfall days in May - Almancil, Portugal
Average rainfall days in May
Almancil, Portugal
  • Average rainfall days in May: 3.5 days

The month with the highest number of rainy days is April (7.1 days).
The month with the least rainy days is August (0.3 days).

Average sea temperature in May - Almancil, Portugal
Average sea temperature in May
Almancil, Portugal
  • Average sea temperature in May: 17°C

The best months for swimming (with the highest average sea temperature) are August and September (21°C).
The coldest month (with the lowest average sea temperature) is February (15°C).

Average daylight in May / Average sunshine in May - Almancil, Portugal
Average daylight in May /
Average sunshine in May
Almancil, 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: 11h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).

Average sunshine days in May - Almancil, Portugal
Average sunshine days in May
Almancil, Portugal
  • Average sunshine days in May: 26.4 days

The month with the most sunshine days is July (30 days).
The month with the least sunshine days is April (21.4 days).

Average UV index in May - Almancil, Portugal
Average UV index in May
Almancil, Portugal
  • Average UV index in May: 6

The months with the highest UV index are May, June, 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 - Almancil, Portugal
Average cloud cover in May
Almancil, Portugal
  • Average cloud cover in May: 18

The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in May - Almancil, Portugal
Average visibility in May
Almancil, 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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