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Weather in December in Hilo, (Big Island), Hawaii

Hawaii flag
< December >
 
Normal Max/ High Temperature 27°C (80°F)
 
Average Temperature 22°C (72°F)
 
Min/ Low Temperature 18°C (65°F)
 
Normal Precipitation 306mm (12in)
Number of Wet Days (probability of rain on a day) 23 (74%)
Average Sunlight per day 03:36
Average Daylight per day 10:56
Sunny (Cloudy) Daylight Hours 33% (67%)
Sun altitude at solar noon on the 21st day.
46.9°


  • The average temperature in Hilo, (Big Island), Hawaii in December is really warm at 22.4 °C (72.32 °F).
  • Afternoons can be hot with average high temperatures reaching 26.7 °C (80.1 °F).
  • Overnight temperatures are generally somewhat warm with an average low of 18.2 °C (64.8 °F).
  • In December there is a range/ variation of daily average temperatures of 8.5 °C (15.3 °F).
  • The weather in December is reasonablytly soggy with rain often. A substantial 305.8mm (12in) of water is transfered across an average of 23 days.
  • The heavens above Hilo, (Big Island), Hawaii are somewhat dreary having on balance merely 3:36 of radiant solar radiation per day.
  • The shortest day is 10:55 long and the longest day is 11:00 long with an average length of 10:56.
  • There are approximately 7:13 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 33.4% of daylight hours and cloudy 66.6% of daylight hours.

Check the distance to and compare the Hilo, (Big Island), Hawaii December averages with somewhere beginning with:

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Weather Trend Graph for December in Hilo, (Big Island), Hawaii, Hawaii

Graph of weather in Hilo, (Big Island), Hawaii in December

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