WETTESTSINCE.COMBrowse statesThe AlmanacYear in ReviewThe Wire
WET5
Wettest Since
National Rainfall Records
WETTESTSINCE
Hawaii · precipitation record 1949–2026

Hilo, HI

IN 90 DAYS · 2026
WETTEST IN 90 DAYS SINCE 2018
44.13in
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
18.26in
5th wettest of 77 yrs
274% of normal
LAST 90 DAYS
44.13in
5th wettest of 77 yrs
196% of normal
YEAR TO DATE
105.65in
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

0days
current run under 0.01" · longest ever 23 days (to Feb 19, 2015)

Wet Streak

1days
consecutive days with rain · longest ever 70 days

Year to Date vs Normal

135%
105.65" 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

Sun & Location

Sun & Daylight Today

Sunrise6:03 AM
Sunset6:41 PM
Solar noon12:22 PM
Daylight12h 38m
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

Share Card

Hilo, HI precipitation share card