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WETTESTSINCE
Hawaii · precipitation record 1905–2026

Kahului, HI

THIS YEAR · 2026
WETTEST THIS YEAR SINCE 1918
29.59in
3rd wettest of 90 years · normal 10.12"
📖 Kahului's full Precipitation Almanac →

Accumulation

TODAY
0.0in
no rain yet of 91 yrs
MONTH TO DATE
1.38in
3rd wettest of 89 yrs
511% of normal
LAST 90 DAYS
2.29in
6th wettest of 89 yrs
257% of normal
YEAR TO DATE
29.59in
3rd wettest of 90 yrs
292% of normal

Extremes & Streaks

Biggest Day on Record

7.4in
on Mar 13, 2026 · in 122 years

Dry Streak

0days
current run under 0.01" · longest ever 98 days (to Aug 6, 1907)

Wet Streak

1days
consecutive days with rain · longest ever 14 days

Year to Date vs Normal

292%
29.59" of a normal 10.12" · wettest 33.83" (1916) · driest 0.81" (2022)

Wettest & Driest Years

The extremes of a 83-year record (1905–2025) — full calendar-year totals. The long-run average is 17.83" a year.

Wettest Years on Record

1198940.63in
2191838.18in
3199035.2in
4196834.73in
5198234.04in

Driest Years on Record

120125.04in
220226.69in
319086.76in
419986.76in
520258.0in

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 Jan (~2.6") and driest in Jun (~0.09"). Wettest calendar month ever: Mar 2026, 21.11".

This Day in History · Rainfall

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

Wettest Aug 24 ever

1.46in
set in 2015

Rain on Aug 24

21%
of 91 years had measurable rain
1905: 0.00″1906: 0.00″1907: 0.00″1908: 0.00″1909: 0.00″1910: 0.03″1911: 0.07″1912: 0.00″1913: 0.00″1914: 0.00″1915: 0.00″1916: 0.00″1917: 0.00″1918: 0.00″1919: 0.00″1920: 0.00″1921: 0.00″1922: 0.00″1923: 0.00″1954: 0.00″1955: 0.05″1956: 0.00″1957: 0.13″1958: 0.00″1959: 0.00″1960: 0.00″1961: 0.00″1962: 0.00″1963: 0.00″1964: 0.00″1965: 0.02″1966: 0.02″1967: 0.00″1968: 0.00″1969: 0.06″1970: 0.01″1971: 0.00″1972: 0.00″1973: 0.00″1974: 0.00″1975: 0.06″1976: 0.00″1977: 0.06″1978: 0.00″1979: 0.00″1980: 0.00″1981: 0.00″1982: 0.00″1983: 0.00″1984: 0.00″1985: 0.00″1986: 0.00″1987: 0.00″1988: 0.00″1989: 0.00″1990: 0.00″1991: 0.00″1992: 0.00″1993: 0.03″1994: 0.00″1995: 0.00″1996: 0.00″1997: 0.00″1998: 0.00″1999: 0.04″2000: 0.26″2001: 0.01″2002: 0.00″2003: 0.00″2004: 0.00″2005: 0.00″2006: 0.00″2007: 0.00″2008: 0.00″2009: 0.00″2010: 0.00″2011: 0.01″2012: 0.00″2013: 0.00″2014: 0.00″2015: 1.46″2016: 0.00″2017: 0.02″2018: 0.70″2019: 0.00″2020: 0.00″2021: 0.00″2022: 0.00″2023: 0.00″2024: 0.12″2025: 0.00″0″1″2″191019201960197019801990200020102020

This Year's Rainfall

Kahului'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.
Kahului, HI — cumulative rainfall this year vs the record
Download year chart

Rainfall Calendar

Kahului'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.
Kahului, HI — daily rainfall every day on record
Download calendar

Sun & Location

Sun & Daylight Today

Sunrise6:08 AM
Sunset6:48 PM
Solar noon12:28 PM
Daylight12h 40m
Local standard time (no DST), level horizon.

Location

20.89°N, 156.44°WHawaii

Nearby Stations

Honolulu, HI101 mi WHilo, HI120 mi SELihue, HI201 mi WUkiah, CA2333 mi NEEureka, CA2335 mi NESan Francisco Airport, CA2337 mi NE

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