| < May >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average temperature in Hilo, (Big Island), Hawaii in May is fairly hot at 23.3 °C (73.94 °F).
- Afternoons can be hot with average high temperatures reaching 27.3 °C (81.1 °F).
- Overnight temperatures are generally somewhat warm with an average low of 19.2 °C (66.6 °F).
- In May the average diurnal temperature range/ variation is 8.1 °C (14.6 °F).
- The weather in May is somewhat soggy with incessant rain. A hearty 251.7mm (9.9in) of liquid precipitates across on average 26 days.
- In May the skies in Hilo, (Big Island), Hawaii are dull with on average merely 3:23 of intense solar radiation daily.
- The shortest day is 12:50 long and the longest day is 13:13 long with an average length of 13:02.
- There are approximately 9:32 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 26.2% of daylight hours and cloudy 73.8% of daylight hours.
Check the distance to and compare the Hilo, (Big Island), Hawaii May averages with somewhere beginning with:
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Weather Trend Graph for May in Hilo, (Big Island), Hawaii, Hawaii
Navigate to May Weather in Locations Surrounding Hilo, (Big Island), Hawaii:
- Midway Island, Hawaii - 2450.5 kms (1522.8 miles) WNW
- Lihue, Kauai, Hawaii - 512.3 kms (318.4 miles) WNW
- Honolulu, Oahu, Hawaii - 350 kms (217.5 miles) WNW
- Kahului, Hi, United States Of America (Pacific Islands) - 194.5 kms (120.9 miles) NW
- Wailuku, Maui, Hawaii - 199.7 kms (124.1 miles) NW
- Napari, Tabuaeran, Kiribati - 1820.4 kms (1131.2 miles) SSW