Opatija weather in May 2020

  • 18°C maximum daytime temperature in May in Opatija18
    18°C max day temperature
  • 8 hours of sunshine per day
  • 16 days with some rainfall in May in Opatija16
    16 days with some rainfall
  • 8°C minimum night-time temperature in May in Opatija8
    8°C min night temperature
  • 15 hours of daylight per day in May in Opatija15
    15 hours of daylight per day
  • No heat & humidity in May in Opatija0
    No heat & humidity
  • 110 mm monthly rainfall in May in Opatija110
    110 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Opatija7
    7 (High) UV index
  • 17°C sea temperature in May in Opatija17
    17°C sea temperature
  • Top deals & discounts
  • Opatija weather overview
  • Opatija climate averages by month
  • More destinations
  • Best time to go to Opatija
  • Opatija 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The May weather guide for Opatija, Croatia shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

  • Pay £1 low deposits on hotels with Sunshine.co.uk
  • Book cheap hotels in popular holiday destinations worldwide
  • Pay final balance just 2 weeks before you depart

How hot is it in Opatija in May?

Daytime temperatures usually reach 18°C in Opatija in May, falling to 8°C at night.

How sunny is it in Opatija in May?

There are normally 8 hours of bright sunshine each day in Opatija in May - that's 50% of daylight hours.

How warm is the sea around Opatija in May?

The average sea temperature around Opatija in May is 17°C.

Does it rain in Opatija in May?

There are usually 16 days with some rain in Opatija in May and the average monthly rainfall is 110mm.

Opatija sunrise & sunset times for May 2020

Browse the sunrise & sunset times for Opatija in May 2020. Select a month to view Opatija sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Friday, 1st May 2020 05:51 20:10
Saturday, 16th May 2020 05:31 20:28
Sunday, 31st May 2020 05:19 20:43
  • Browse Croatia escorted tours in 2019/2020
  • Book holidays to Croatia online with TUI
  • Enjoy authentic local experiences & flexible tour options

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Discover more about Croatia

Where's hot in Croatia in May?

Below are average maximum temperatures at popular destinations in Croatia in May. Select a destination to see more weather parameters.

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.