May weather forecast and climate
Funchal, Portugal

May, the last month of the spring, in Funchal, is also an enjoyable month, with average temperature varying between 18.8°C (65.8°F) and 17.3°C (63.1°F).

Temperature

In May, the average high-temperature is practically the same as in April - a still comfortable 18.8°C (65.8°F). In Funchal, Portugal, the average low-temperature is 17.3°C (63.1°F).

Humidity

The average relative humidity in Funchal is 77%.

Rainfall

In May, in Funchal, the rain falls for 7.6 days. Throughout May, 9mm (0.35") of precipitation is accumulated. Throughout the year, there are 116.4 rainfall days, and 232mm (9.13") of precipitation is accumulated.

Sea temperature

In Funchal, the average water temperature is 19°C (66.2°F).
Note: For swimming, a surface water temperature of 19°C (66.2°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

In Funchal, the average length of the day is 13.9h.

Sunshine

In May, the average sunshine in Funchal is 8.5h.

UV index

Months with the lowest UV index are January through June, November and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 in May transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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.

What is the temperature in May in Funchal?

In May, the average high-temperature is 18.8°C (65.8°F), and the average low-temperature is 17.3°C (63.1°F).

What is the average humidity in May in Funchal?

The average relative humidity in May is 77%.

How many days does it rain in May in Funchal?

In Funchal, during May, the rain falls for 7.6 days and regularly aggregates up to 9mm (0.35") of precipitation.

What is the sea temperature in May in Funchal?

In May, the average sea temperature in Funchal, Portugal, is 19°C (66.2°F). Swimming in 19°C (66.2°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Funchal have in May?

The average length of the day in May is 13.9h.

How long on average sun shines in May in Funchal?

The average sunshine in May is 8.5h.

When is the lowest UV index in Funchal?

January through June, November and December, with an average maximum UV index of 5, are months with the lowest UV index in Funchal, Portugal.

What is the UV index intensity in May in Funchal?

In Funchal, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in May - Funchal, Portugal
  • Average high temperature in May: 18.8°C

The warmest month (with the highest average high temperature) is August (23°C).
Months with the lowest average high temperature are February and March (16.9°C).

  • Average low temperature in May: 17.3°C

The month with the highest average low temperature is September (21.7°C).
The coldest month (with the lowest average low temperature) is March (15.1°C).

Average humidity in May - Funchal, Portugal
  • Average humidity in May: 77%

Months with the highest relative humidity are June and August (80%).
The month with the lowest relative humidity is February (73%).

Average rainfall in May - Funchal, Portugal
  • Average rainfall in May: 9mm

The wettest month (with the highest rainfall) is October (44mm).
The driest month (with the least rainfall) is August (3mm).

Average rainfall days in May - Funchal, Portugal
  • Average rainfall days in May: 7.6 days

The month with the highest number of rainy days is November (16 days).
The month with the least rainy days is August (3.9 days).

Average sea temperature in May - Funchal, Portugal
  • Average sea temperature in May: 19°C

The best month for swimming (with the highest average sea temperature) is September (23.8°C).
The coldest month (with the lowest average sea temperature) is March (17.8°C).

Average daylight in May / Average sunshine in May - Funchal, Portugal
  • Average daylight in May: 13.9h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in May: 8.5h

The month with the most sunshine is June (Average sunshine: 9.2h).
Months with the least sunshine are January and December (Average sunshine: 7.6).

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

Months with the highest UV index are July, August, September and October (UV index 6).
Months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 5).