Park Months
All parks · Hawaii Volcanoes · May

Hawaii Volcanoes National Park in May

Hawaii Volcanoes National Park · crowd + weather almanac

May crowd level busy
about 106,000 visits in a typical May
The quietest month of the year · median of 2016–2025 official NPS counts

May is the quietest month of the year at Hawaii Volcanoes National Park: about 106,000 recreation visits in a typical May (7% of the year's traffic, and 70% of what the peak month, January, sees). This is a busy month, though short of the summer-peak crush. Weather-wise, May days at the Hawaii Vol Np Hq 54, HI station typically top out around 70°F with nights near 53°F, and about 6.5 inches of precipitation falls over the month.

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Typical (median) monthly recreation visits at Hawaii Volcanoes National Park, 2016–2025. May highlighted. Source: NPS Visitor Use Statistics.

May weather (1991–2020 normals)

Typical daytime high70°F
Typical overnight low53°F
Precipitation (monthly normal)6.46 in
Snowfall (monthly normal)0.0 in
Measured atHawaii Vol Np Hq 54, HI (USC00511303), 2.2 mi from the park reference point, elev. 3,971 ft

Every month at Hawaii Volcanoes

MonthTypical visitsCrowdsHigh / LowPrecip
January152,217busiest stretch68°F / 49°F8.8 in
February135,439busiest stretch68°F / 49°F8.2 in
March122,200busy68°F / 51°F10.3 in
April112,226busy68°F / 52°F9.2 in
May106,047busy70°F / 53°F6.5 in
June132,224busiest stretch71°F / 54°F5.1 in
July138,000busiest stretch73°F / 56°F6.3 in
August133,067busiest stretch74°F / 56°F5.9 in
September109,123busy73°F / 55°F6.0 in
October117,599busy72°F / 55°F8.2 in
November124,781busy70°F / 54°F10.6 in
December139,552busiest stretch68°F / 52°F11.4 in

Official NPS page for Hawaii Volcanoes →