Weather on December 21 at Hawaii Volcanoes

Hawaii Volcanoes National Park

HIIslands & Territories4,000 ft elevation
Avg High79°F
Avg Low65°F
Warmest199577°F
Coldest198368°F

Based on 55 years of data from Hilo, HI

Elevation Note: Hawaii Volcanoes sits at 4,000 ft. Expect temperatures 14°F cooler than the data shown below, which comes from Hilo, HI at a lower elevation.

Planning Your Visit

December 21st in Hawaii Volcanoes National Park (via Hilo, HI) typically brings pleasant winter weather, with average highs around 79°F and lows near 65°F. Over 55 years of records, the warmest December 21st was in 1995 (77°F average), while the coldest was 1983 (68°F) — a 9°F range across recorded history. Rain or other precipitation has occurred on about 67% of December 21st dates historically, with the wettest December 21st recording 9.6" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for December 21st in Hawaii Volcanoes? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202585°F69°F0"--
202482°F64°F0"--
202374°F67°F1.83"--
202282°F66°F0"--
202169°F66°F9.6"--
202081°F70°F1.85"--
201978°F66°F3.2"--
201881°F66°F0.38"--
201778°F63°F1.5"--
201678°F67°F0.97"--
201581°F67°F3.58"--
201483°F66°F0"--
201380°F66°F0.71"--
201276°F65°F1.07"--
201177°F67°F2.34"--
201076°F70°F1.78"--
200981°F61°F0.28"--
200878°F64°F0.15"--
200778°F63°F3.63"--
200679°F63°F0.13"--
200582°F64°F0"--
200479°F69°F0.33"--
200377°F64°F0.05"--
200282°F63°F0"--
200179°F65°F0.18"--
200080°F68°F0.66"--
199980°F60°F0"--
199877°F64°F0.3"--
199781°F64°F0.2"0"
199681°F68°F0"0"
199587°F67°F0"0"
199481°F67°F0"0"
199381°F61°F0.25"0"
199280°F62°F1.04"0"
199178°F69°F0"0"
199076°F66°F6.88"0"
198979°F61°F0"0"
198882°F66°F1.12"0"
198776°F67°F0.66"0"
198680°F64°F1.17"0"
198582°F64°F0"0"
198477°F60°F0.23"0"
198379°F57°F0"0"
198275°F64°F0.71"0"
198180°F64°F0.38"0"
198086°F65°F0"0"
197981°F68°F0.03"0"
197876°F68°F0"0"
197777°F62°F0.3"0"
197682°F66°F0.28"0"
197582°F61°F0"0"
197479°F68°F2.44"0"
197385°F63°F0"0"
197279°F59°F0.03"0"
197177°F63°F0.69"0"

December 21 at Nearby Parks

Holiday Weather at Hawaii Volcanoes

Official NPS WebsiteVisit nps.gov/havo for park information, alerts, and reservations

Explore More at Hawaii Volcanoes

See historical weather for other dates

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