May weather forecastRovinj, Croatia

May
Weather in May
May’s weather shows Rovinj, Croatia moving firmly into the warmth of late spring. Coming from the cooler month of April, May significantly raises the bar in terms of daily high temperatures. By the end of May, both day length and sunshine hours are on the rise, setting the tone for the incoming summer months. Though rainfall also sees a slight increase, it doesn't detract from the overall appeal of visiting during this month. The charm of Rovinj's weather in May particularly entices those who wish to enjoy pleasant temperatures without the peak summer crowds.Temperature
The shift into May in Rovinj is accompanied by a temperature increase, with the average high-temperature rising from a comfortable 16.7°C (62.1°F) in April to an agreeable 21.7°C (71.1°F). Rovinj, during the nights of May, experiences an average temperature drop to a cool 11.6°C (52.9°F).Humidity
The average relative humidity in May is 74.5%.Rainfall
In Rovinj, Croatia, during May, the rain falls for 9.7 days and regularly aggregates up to 56mm (2.2") of precipitation. In Rovinj, during the entire year, the rain falls for 102.1 days and collects up to 811mm (31.93") of precipitation.Snowfall
In Rovinj, Croatia, snow does not fall in April through December.Sea temperature
In May, the average sea temperature in Rovinj is 18.3°C (64.9°F).Note: The majority of people find swimming in 18.3°C (64.9°F) unenjoyable. As the water temperature decreases from 21°C (69.8°F) to 15°C (59°F), breathing becomes more challenging to control.
Daylight
In May, the average length of the day in Rovinj is 14h and 52min.On the first day of May in Rovinj, sunrise is at 05:53 and sunset at 20:11. On the last day of the month, sunrise is at 05:21 and sunset at 20:44 CEST.
Sunshine
The average sunshine in May in Rovinj is 8.7h.UV index
The average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: In May, a regular UV index of 7 translates into these guidelines:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rovinj, Croatia
- Average high temperature in May: 21.7°C
The warmest month (with the highest average high temperature) is August (28.7°C).
The month with the lowest average high temperature is January (9.6°C).
- Average low temperature in May: 11.6°C
The months with the highest average low temperature are July and August (17.2°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average humidity in May
Rovinj, Croatia
- Average humidity in May: 74.5%
The month with the highest relative humidity is January (82.1%).
The month with the lowest relative humidity is July (67.7%).
Average rainfall in May
Rovinj, Croatia
- Average rainfall in May: 56.4mm
The wettest month (with the highest rainfall) is November (98.3mm).
The driest month (with the least rainfall) is July (40.7mm).
Average rainfall days in May
Rovinj, Croatia
- Average rainfall days in May: 9.7 days
The month with the highest number of rainy days is April (10.5 days).
The month with the least rainy days is July (5.8 days).
Average snowfall days in May
Rovinj, Croatia
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in May
Rovinj, Croatia
- Average sea temperature in May: 18.3°C
The best month for swimming (with the highest average sea temperature) is August (25.2°C).
The coldest month (with the lowest average sea temperature) is February (9.8°C).
Average daylight in May /
Average sunshine in May
Rovinj, Croatia
- Average daylight in May: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average UV index in May
Rovinj, Croatia
- Average UV index in May: 7
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).





