Weather on December 18 at Hawaii Volcanoes

Hawaii Volcanoes National Park

HIIslands & Territories4,000 ft elevation
Avg High80°F
Avg Low65°F
Warmest202577°F
Coldest197568°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 18th in Hawaii Volcanoes National Park (via Hilo, HI) typically brings warm winter weather, with average highs around 80°F and lows near 65°F. Over 55 years of records, the warmest December 18th was in 2025 (77°F average), while the coldest was 1975 (68°F) — a 9°F range across recorded history. Rain or other precipitation has occurred on about 76% of December 18th dates historically, with the wettest December 18th recording 11.05" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.

Planning for December 18th in Hawaii Volcanoes? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202587°F66°F0"--
202484°F64°F0"--
202375°F65°F0.2"--
202283°F63°F0.58"--
202181°F66°F3.89"--
202078°F70°F8.05"--
201984°F68°F0.69"--
201881°F64°F0.36"--
201783°F67°F0.08"--
201671°F67°F9.86"--
201584°F67°F1.42"--
201480°F68°F0.53"--
201380°F63°F0.05"--
201281°F64°F0.51"--
201179°F64°F2.82"--
201081°F62°F0"--
200980°F65°F0.23"--
200880°F63°F0.13"--
200776°F64°F0.25"--
200680°F65°F1.52"--
200582°F60°F0"--
200481°F64°F0.33"--
200376°F67°F0.25"--
200278°F67°F0.05"--
200179°F66°F0.74"--
200080°F64°F0.05"--
199976°F64°F0.99"--
199879°F65°F0.46"--
199778°F66°F2.77"0"
199681°F66°F0.23"0"
199581°F64°F0.41"0"
199482°F63°F0.13"0"
199378°F64°F3.12"0"
199285°F67°F0.53"0"
199184°F60°F0"0"
199080°F63°F3.73"0"
198982°F60°F0"0"
198881°F62°F2.54"0"
198775°F68°F6.86"0"
198682°F68°F0"0"
198579°F62°F0"0"
198476°F64°F3.99"0"
198381°F63°F1.47"0"
198276°F64°F2.29"0"
198181°F67°F0"0"
198083°F64°F0"0"
197982°F64°F1.17"0"
197878°F67°F2.16"0"
197775°F68°F2.31"0"
197681°F62°F0"0"
197578°F57°F0.13"0"
197481°F64°F0.89"0"
197381°F61°F0"0"
197286°F65°F0"0"
197177°F67°F11.05"0"

December 18 at Nearby Parks

Holiday Weather at Hawaii Volcanoes

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

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