Average Weather during May in Opatija (Istria), Croatia

The average minimum temperature (usually the minimum temperature is noted during the night) in Opatija in May is 14.0°C (57.2°F). The amount of rain in May is high with an average of 81mm (3.2in). This month generally has very pleasant temperatures. The average maximum temperature lies around 21.0°C (69.8°F). With a water temperature of around 17.0°C (62.6°F), this is not the best month to swim. If you enjoy looking at a blue sky and like sunbathing than this month is a good period to visit Opatija. It has 226 hours of sun.

So what to wear in May? Visitors traveling to Opatija should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts or a skirt because it can be very nice and warm.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in May look at the numbers below.

Monthly Averages

Show in Fahrenheit

Min Temperature 14 °C
Max Temperature 21 °C
Water Temperature 17 °C
Chance of Rain 27%
Precipitation 81mm
Rainy Days 8
Sunshine Hours 226

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Cycling
9/10
Walking
9/10
Barbeque
8/10
Camping
8/10
Outdoor sports
9/10

More Climate Information For Opatija

Weather and Climate offers all the information you need to know about the climate in Opatija.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Croatia and climate and forecast data for all other countries in the world.