DRIESTSINCE
Hawaii · precipitation record 1905–2026

Kahului, HI

THIS YEAR · 2026
WETTEST THIS YEAR SINCE 1989
28.11in
3rd wettest of 88 years · normal 9.88"
📖 Kahului's full Precipitation Almanac →

Accumulation

TODAY
0.0in
no rain yet of 88 yrs
MONTH TO DATE
0.19in
37th driest of 89 yrs
76% of normal
LAST 90 DAYS
1.25in
37th wettest of 89 yrs
117% of normal
YEAR TO DATE
28.11in
3rd wettest of 88 yrs
285% 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

4days
consecutive days with rain · longest ever 14 days

Year to Date vs Normal

285%
28.11" of a normal 9.88" · wettest 33.75" (1916) · driest 0.74" (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 Jul 28 ever

0.10in
set in 1979

Rain on Jul 28

20%
of 88 years had measurable rain
1905: 0.00″1906: 0.00″1907: 0.00″1908: 0.00″1909: 0.00″1911: 0.00″1913: 0.00″1915: 0.00″1916: 0.00″1917: 0.00″1918: 0.00″1919: 0.01″1920: 0.00″1921: 0.00″1922: 0.00″1923: 0.00″1954: 0.05″1955: 0.00″1956: 0.01″1957: 0.00″1958: 0.00″1959: 0.04″1960: 0.00″1961: 0.00″1962: 0.00″1963: 0.00″1964: 0.00″1965: 0.00″1966: 0.00″1967: 0.07″1968: 0.00″1969: 0.00″1970: 0.00″1971: 0.00″1972: 0.00″1973: 0.00″1974: 0.00″1975: 0.00″1976: 0.00″1977: 0.09″1978: 0.00″1979: 0.10″1980: 0.00″1981: 0.00″1982: 0.00″1983: 0.01″1984: 0.00″1985: 0.00″1986: 0.00″1987: 0.10″1988: 0.01″1989: 0.06″1990: 0.00″1991: 0.00″1992: 0.00″1993: 0.01″1994: 0.00″1995: 0.00″1996: 0.00″1997: 0.00″1998: 0.00″1999: 0.00″2000: 0.00″2001: 0.00″2002: 0.00″2003: 0.00″2004: 0.04″2005: 0.07″2006: 0.00″2007: 0.00″2008: 0.00″2009: 0.02″2010: 0.00″2011: 0.09″2012: 0.00″2013: 0.00″2014: 0.00″2015: 0.00″2016: 0.00″2017: 0.03″2018: 0.00″2019: 0.00″2020: 0.01″2021: 0.00″2022: 0.00″2023: 0.00″2024: 0.00″2025: 0.00″0″1″19201960197019801990200020102020

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

Drought History

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

Sun & Location

Sun & Daylight Today

Sunrise5:58 AM
Sunset7:06 PM
Solar noon12:32 PM
Daylight13h 08m
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

Share Card

Kahului, HI precipitation share card
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