Sun, sea & sand

Poreč weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

37

Holiday weather in May

Poor

Best time to visit: June – August

Air temperature20°CNight 15°
Sea temperature17.7°Cfresh
Sunshine9hrs / dayof 14.8 h daylight
Rainy days12days / month94 mm

What is the weather like in Poreč in May?

In May, Poreč is mild: daytime highs average 20 °C, and nights cool down to about 15 °C. The sea averages 17.7 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 9 hours a day. Rain is frequent, with about 12 rainy days and 94 mm in total. All in all, May is not an ideal month for a holiday in Poreč.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score273788
Day16°20°25°
Night10°15°19°
Sea13°18°23°
Sun8 h9 h10 h
Rain days11129

More details for May

Daylight
14 h 50 min05:37 – 20:27
UV index
8 · very highclear sky, noon (estimate)
Muggy days
0 daysdew point 18 °C or more
Wind
15 km/haverage daily peak
Cloud cover
53 %on average
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+2Europe/Zagreb

How the score comes together

  • Temperatureweight 35 %20 %
  • Seaweight 25 %10 %
  • Sunshineweight 20 %93 %
  • Few rainy daysweight 20 %44 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in May

  • Wetsuit for longer swims
  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Poreč in May: quick answers

Is Poreč hot in May?

No. In May, Poreč is mild: daytime highs average 20 °C and nights drop to about 15 °C.

Can you swim in Poreč in May?

Only if you don't mind cold water: in May the sea averages just 17.7 °C. Comfortable swimming is possible from June to September.

Does it rain much in Poreč in May?

Rain is frequent, with about 12 rainy days and 94 mm in total.

Poreč month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)