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Hawaii · precipitation record 1949–2026

Hilo, HI

IN 90 DAYS · 2026
WETTEST IN 90 DAYS SINCE 2018
43.49in
5th wettest of 77 years · normal 22.46"
📖 Hilo's full Precipitation Almanac →

Accumulation

TODAY
0.0in
no rain yet of 76 yrs
0% of normal
MONTH TO DATE
17.62in
6th wettest of 77 yrs
264% of normal
LAST 90 DAYS
43.49in
5th wettest of 77 yrs
194% of normal
YEAR TO DATE
105.01in
10th wettest of 77 yrs
135% of normal

Extremes & Streaks

Biggest Day on Record

16.87in
on Feb 20, 1979 · in 78 years

Dry Streak

1days
current run under 0.01" · longest ever 23 days (to Feb 19, 2015)

Wet Streak

0days
consecutive days with rain · longest ever 70 days

Year to Date vs Normal

135%
105.01" of a normal 77.98" · wettest 147.18" (1969) · driest 33.31" (2010)

Wettest & Driest Years

The extremes of a 76-year record (1950–2025) — full calendar-year totals. The long-run average is 124.34" a year.

Wettest Years on Record

11990211.22in
21994182.81in
32018176.44in
41969173.23in
51986171.03in

Driest Years on Record

1202558.74in
2201063.29in
3198368.09in
4196271.45in
5199585.92in

Rainfall by Month

The seasonal rhythm — each month's normal precipitation, with this year's totals in blue. Where the blue bar clears the band, the month ran wetter than usual.
J
F
M
A
M
J
J
A
S
O
N
D
Normal (median)This year
Normally wettest in Nov (~12.75") and driest in Jun (~5.81"). Wettest calendar month ever: Dec 1954, 50.82".

This Day in History · Rainfall

Every year's rainfall on each of the next 7 dates at Hilo — toggle a day below. The tallest bar (ringed) is the wettest on record for that date.

Wettest Aug 24 ever

15.00in
set in 2018

Rain on Aug 24

78%
of 76 years had measurable rain
1950: 0.04″1951: 0.15″1952: 0.00″1953: 0.24″1954: 0.06″1955: 0.07″1956: 0.10″1957: 2.32″1958: 1.71″1959: 0.43″1960: 0.92″1961: 0.30″1962: 0.00″1963: 0.76″1964: 0.00″1965: 0.06″1966: 0.24″1967: 0.00″1968: 0.18″1969: 0.72″1970: 0.42″1971: 0.04″1972: 0.00″1973: 0.13″1974: 0.00″1975: 0.27″1976: 0.15″1977: 0.15″1978: 0.30″1979: 0.00″1980: 0.44″1981: 0.07″1982: 2.02″1983: 1.31″1984: 0.17″1985: 0.00″1986: 0.07″1987: 0.01″1988: 0.00″1989: 0.00″1990: 0.89″1991: 0.69″1992: 0.09″1993: 0.78″1994: 0.05″1995: 0.74″1996: 0.00″1997: 0.18″1998: 0.08″1999: 0.16″2000: 0.69″2001: 0.01″2002: 0.31″2003: 0.04″2004: 0.07″2005: 0.02″2006: 0.00″2007: 0.00″2008: 0.05″2009: 0.23″2010: 0.02″2011: 0.00″2012: 0.02″2013: 0.00″2014: 0.17″2015: 0.82″2016: 1.54″2017: 0.17″2018: 15.00″2019: 0.03″2020: 0.09″2021: 0.16″2022: 0.00″2023: 0.29″2024: 3.26″2025: 0.00″0″2″4″6″8″10″12″14″16″19501960197019801990200020102020

This Year's Rainfall

Hilo's cumulative rainfall so far this year against its own record — the normal accumulation, and the wettest & driest years to date. The bright line is the running total; where it rides the band tells the story at a glance.
Hilo, HI — cumulative rainfall this year vs the record
Download year chart

Rainfall Calendar

Hilo's entire daily record as one heatmap — each row a year, each cell a day, shaded by that day's rainfall. Dry spells read as dark blocks, wet seasons as brighter bands; the whole climate at a glance.
Hilo, HI — daily rainfall every day on record
Download calendar

Drought History

Every week of the U.S. Drought Monitor for Hilo's county since 2000, coloured by intensity — dry spells and multi-year droughts read as warm bands.
Hilo, HI — county drought history since 2000
Download drought history

Sun & Location

Sun & Daylight Today

Sunrise6:03 AM
Sunset6:42 PM
Solar noon12:22 PM
Daylight12h 39m
Local standard time (no DST), level horizon.

Location

19.72°N, 155.05°WHawaii

Nearby Stations

Kahului, HI120 mi NWHonolulu, HI217 mi NWLihue, HI317 mi NWSan Francisco Airport, CA2317 mi NEUkiah, CA2319 mi NEEureka, CA2328 mi NE

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