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Opatija — weather in May, water temperature

18.6°C Daytime temperatures 11°C Night temperatures 15 Sunny days 14.3-15.4 Sun (hours) 8 Rainy days 103 mm Precipitation 16.9°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 27°C — 27 May 2018.
The maximum night temperature 21°C — 31 May 2018.
The minimum daily temperature 8°C — 19 May 2021.
The minimum night temperature 2.5°C — 5 May 2014.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 21.9 °C — 31 May 2018. The coldest water 13.5 °C — 2 May 2022.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 135.8 mm — November. Minimum precipitation 62.3 mm — August.
Wind speed, km / h
Maximum wind speed 14.6 km / h — February. Minimum wind speed 9.2 km / h — June.
Number of hours of sunshine
The maximum number of hours of sunshine per day 11.9 h. — July. The minimum number of hours of sunshine per day 4.6 h. — December.
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