Portovenere
Italy
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Portovenere, Italy

The last month of the spring, May, is an agreeable month in Portovenere, Italy, with average temperature fluctuating between 21°C (69.8°F) and 12°C (53.6°F).

Temperature

In Portovenere, the average high-temperature marginally rises, from a comfortable 17°C (62.6°F) in April, to a pleasant 21°C (69.8°F). In Portovenere, Italy, the average low-temperature is 12°C (53.6°F).

Rainfall

In May, in Portovenere, the rain falls for 12 days. Throughout May, 71mm (2.8") of precipitation is accumulated. Throughout the year, in Portovenere, there are 131 rainfall days, and 1007mm (39.6") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature is 18.6°C (65.5°F).
Note: Swimming in 18.6°C (65.5°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

In Portovenere, the average length of the day in May is 14.8h.

Sunshine

In May, the average sunshine in Portovenere is 7h.

UV index

In May, the average daily maximum UV index in Portovenere is 7. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 7 in May transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Portovenere?

In May, in Portovenere, Italy, the average high-temperature is 21°C (69.8°F), and the average low-temperature is 12°C (53.6°F).

How many days does it rain in May in Portovenere?

In Portovenere, in May, it is raining for 12 days, with typically 71mm (2.8") of accumulated precipitation.

What is the sea temperature in May in Portovenere?

In Portovenere, the average seawater temperature in May is 18.6°C (65.5°F). Swimming in 18.6°C (65.5°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 Portovenere?

The average length of the day in May in Portovenere is 14.8h.

How many hours of sunshine does Portovenere have in May?

The average sunshine in May in Portovenere, Italy, is 7h.

What is the UV index reading in May in Portovenere?

The average daily maximum UV index in May in Portovenere, Italy, is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in May - Portovenere, Italy
  • Average high temperature in May: 21°C

Warmest months (with the highest average high temperature) are July and August (27°C).
The month with the lowest average high temperature is January (10°C).

  • Average low temperature in May: 12°C

Months with the highest average low temperature are July and August (18°C).
Coldest months (with the lowest average low temperature) are January and February (4°C).

Average rainfall in May - Portovenere, Italy
  • Average rainfall in May: 71mm

The wettest month (with the highest rainfall) is October (130mm).
The driest month (with the lowest rainfall) is July (25mm).

Average rainfall days in May - Portovenere, Italy
  • Average rainfall days in May: 12 days

Months with the highest number of rainy days are March, April and November (13 days).
The month with the lowest number of rainy days is July (6 days).

Average sea temperature in May - Portovenere, Italy
  • Average sea temperature in May: 18.6°C

The best month for swimming (with the highest average sea temperature) is August (24.4°C).
The coldest month (with the lowest average sea temperature) is February (12.9°C).

Average daylight in May / Average sunshine in May - Portovenere, Italy
  • Average daylight in May: 14.8h

The month with the longest days is June (Average daylight: 15.4h).
The month with shortest days is December (Average daylight: 8.9h).

  • Average sunshine in May: 7h

The month with most sunshine is July (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 3h).

Average UV index in May - Portovenere, Italy
  • Average UV index in May: 7

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).