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Hilo — weather in May, water temperature

23.9°C Daytime temperatures 20.6°C Night temperatures 15 Sunny days 12.9-13.2 Sun (hours) 4 Rainy days 57.6 mm Precipitation 25.2°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 29.5°C — 9 May 2017.
The maximum night temperature 23°C — 19 May 2022.
The minimum daily temperature 17°C — 15 May 2021.
The minimum night temperature 15.5°C — 16 May 2021.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 26.1 °C — 18 May 2019. The coldest water 24.4 °C — 13 May 2015.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 135.7 mm — February. Minimum precipitation 35.8 mm — June.
Wind speed, km / h
Maximum wind speed 13.9 km / h — August. Minimum wind speed 11.9 km / h — December.
Number of hours of sunshine
The maximum number of hours of sunshine per day 9.1 h. — June. The minimum number of hours of sunshine per day 7 h. — December.
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