Istria, Croatia
Before You Book
← All beach destinations · Search your dates
Ski resorts Beach holidays About

Istria

May beach and weather guide

Based on 5 years of historical ERA5 climate data

Photo by Krzysztof Kowalik on Unsplash

Checking 5 years of weather data...

This can take a few seconds

May beach conditions — historical average

Mixed
See hotels in Istria now 🏨 Compare on Booking.com 🏨
✈️ Find flights to Pula
📉 Our data shows more unsettled conditions in 2024-2025 compared to 2021-2022 for this destination and time of year
19.9°C Temp
18.5°C Sea temp
7.4 Rain days
11.6h Sunshine hrs
69.6% Humidity
20%

Reliable conditions

1 of 5 years were good

Year by year — mid May

2025 Mixed 18.4°C · 8 rainy days · 13.0h sun
2024 Mixed 20.4°C · 9 rainy days · 11.7h sun
2023 Mixed 18.6°C · 9 rainy days · 8.9h sun
2022 Good 24.4°C · 2 rainy days · 13.6h sun
2021 Mixed 17.9°C · 9 rainy days · 10.6h sun

Other months in Istria

May June July August September October

Still deciding? See other popular spots nearby!

Dubrovnik Split Zadar

🔍 Live comparison tool

Not sure Istria's right? Compare it now

Add up to two more destinations below and see them side by side for your exact dates — takes 10 seconds.

Trip type

Each trip type is scored on what matters most for it — snow days for skiing, sea temp for beach, sunshine for sightseeing.

Dates
Destinations

About Istria in May

Based on 5 years of ERA5 historical climate data, May in Istria has historically been mixed for a beach holiday. Average temperatures of 19.9°C with sea temperatures around 18.5°C and 7.4 rainy days on average.

1 of the last 5 years had good beach conditions during this period. This data uses ERA5 reanalysis records — real historical measurements, not generalised averages.

Check your specific dates

See 5 years of data for your exact travel dates

Check conditions for your exact dates →