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Hilo, Big Island weather in July 2025
Expect 75°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Hilo, Big Island in July. Check more long-term weather averages for Hilo, Big Island in July before you book your next holiday to Hawaii in 2025/2026.
- 7575°F max day temperature
- 5 hours of sunshine per day
- 1616 days with some rainfall
- 6161°F min night temperature
- 1313 hours of daylight per day
- MModerate heat & humidity
- 10.810.8 inches of monthly rainfall
- 1111+ (Extreme) UV index
- 7979°F sea temperature
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Recommended for Hawaii
The July weather guide for Hawaii (Hilo, Big Island) 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.
Metric (°C) | Imperial (°F)
More about the USA
How hot is it in Hilo, Big Island in July?
Daytime temperatures usually reach 75°F in Hilo, Big Island in July, falling to 61°F at night.
How sunny is it in Hilo, Big Island in July?
There are normally 5 hours of bright sunshine each day in Hilo, Big Island in July - that's 41% of daylight hours.
How warm is the sea around Hilo, Big Island in July?
The average sea temperature around Hilo, Big Island in July is 79°F.
Does it rain in Hilo, Big Island in July?
There are usually 16 days with some rain in Hilo, Big Island in July and the average monthly rainfall is 10.8 inches.
Hilo, Big Island July sunrise & sunset times
Browse the sunrise and sunset times for Hilo, Big Island in July 2025. Select a month to view Hilo, Big Island sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Tuesday, 1st July 2025 | 05:45 | 19:03 |
Wednesday, 16th July 2025 | 05:51 | 19:02 |
Thursday, 31st July 2025 | 05:56 | 18:57 |
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