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Hilo, Big Island weather in January 2026
Expect 70°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Hilo, Big Island in January based on long-term weather averages. There is usually 13 days with some rainfall and 235 inches of average monthly rainfall in January.
- 70°F max day temperature
70
- 5 hours of sunshine per day
- 13 days with some rainfall
13
- 55°F min night temperature
55
- 11 hours of daylight per day
11
- Low heat & humidity
L
- 9.3 inches of monthly rainfall
9.3
- 8 (Very High) UV index
8
- 75°F sea temperature
75
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Hilo, Big Island by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Hawaii
The January 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 January?
Daytime temperatures usually reach 70°F in Hilo, Big Island in January, falling to 55°F at night.
How sunny is it in Hilo, Big Island in January?
There are normally 5 hours of bright sunshine each day in Hilo, Big Island in January - that's 46% of daylight hours.
How warm is the sea around Hilo, Big Island in January?
The average sea temperature around Hilo, Big Island in January is 75°F.
Does it rain in Hilo, Big Island in January?
There are usually 13 days with some rain in Hilo, Big Island in January and the average monthly rainfall is 9.3 inches.
Hilo, Big Island January sunrise & sunset times
Browse the sunrise and sunset times for Hilo, Big Island in January 2026. Select a month to view Hilo, Big Island sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st January 2026 | 06:55 | 17:53 |
Friday, 16th January 2026 | 06:58 | 18:03 |
Saturday, 31st January 2026 | 06:56 | 18:12 |
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