Bol
Croatia
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Bol, Croatia

May, the last month of the spring, in Bol, is a pleasant month, with average temperature varying between 21°C (69.8°F) and 13°C (55.4°F).

Temperature

In May, the average high-temperature slightly increases, from an enjoyable 17°C (62.6°F) in April, to a pleasant 21°C (69.8°F). In Bol, in May, the average low-temperature is 13°C (55.4°F).

Rainfall

In Bol, during May, the rain falls for 11 days and regularly aggregates up to 57mm (2.2") of precipitation. Throughout the year, in Bol, Croatia, there are 134 rainfall days, and 904mm (35.6") of precipitation is accumulated.

Sea temperature

In Bol, the average seawater temperature in May is 18.4°C (65.1°F). Swimming in 18.4°C (65.1°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 Bol, the average length of the day in May is 14.7h.

Sunshine

In Bol, the average sunshine in May is 8h.

UV index

The average daily maximum UV index in Bol is 7. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation for the average person.
The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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 Bol?

In Bol, Croatia, in May, the average high-temperature is 21°C (69.8°F), and the average low-temperature is 13°C (55.4°F).

How many days does it rain in May in Bol?

In Bol, Croatia, during May, the rain falls for 11 days and regularly aggregates up to 57mm (2.2") of precipitation.

What is the sea water temperature in May in Bol?

In Bol, Croatia, in May, the average water temperature is 18.4°C (65.1°F). Swimming in 18.4°C (65.1°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 Bol have in May?

In Bol, the average length of the day in May is 14.7h.

How long on average sun shines in May in Bol?

The average sunshine in May is 8h.

How high is the UV index in May in Bol?

The average daily maximum UV index in May in Bol, Croatia, is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.
Average temperature in May - Bol, Croatia
  • Average high temperature in May: 21°C

Warmest months (with the highest average high temperature) are July and August (28°C).
The month with the lowest average high temperature is January (9°C).

  • Average low temperature in May: 13°C

The month with the highest average low temperature is July (19°C).
The coldest month (with the lowest average low temperature) is January (3°C).

Average rainfall in May - Bol, Croatia
  • Average rainfall in May: 57mm

The wettest month (with the highest rainfall) is December (116mm).
The driest month (with the lowest rainfall) is July (36mm).

Average rainfall days in May - Bol, Croatia
  • Average rainfall days in May: 11 days

Months with the highest number of rainy days are January, November and December (13 days).
The month with the lowest number of rainy days is July (8 days).

Average sea temperature in May - Bol, Croatia
  • Average sea temperature in May: 18.4°C

The best month for swimming (with the highest average sea temperature) is August (25°C).
Coldest months (with the lowest average sea temperature) are January and February (13.9°C).

Average daylight in May / Average sunshine in May - Bol, Croatia
  • Average daylight in May: 14.7h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9h).

  • Average sunshine in May: 8h

The month with most sunshine is July (Average sunshine: 11h).
Months with least sunshine are January, November and December (Average sunshine: 4).

Average UV index in May - Bol, Croatia
  • 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).