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DRIESTSINCE
Puerto Rico · precipitation record 1898–2026

San Juan, PR

IN 90 DAYS · 2026
DRIEST IN 90 DAYS ON RECORD
3.05in
1st driest of 128 years · normal 16.25"
📖 San Juan's full Precipitation Almanac →
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drought · severe
Driest 90 days on record
3.05" — driest of 128 years since 1898
19%

Accumulation

TODAY
0.02in
53rd driest of 127 yrs
100% of normal
MONTH TO DATE
0.92in
3rd driest of 128 yrs
21% of normal
LAST 90 DAYS
3.05in
1st driest of 128 yrs
19% of normal
YEAR TO DATE
23.93in
17th driest of 128 yrs
70% of normal

Extremes & Streaks

Biggest Day on Record

9.67in
on Aug 15, 1944 · in 129 years

Dry Streak

0days
current run under 0.01" · longest ever 36 days (to Apr 2, 2005)

Wet Streak

2days
consecutive days with rain · longest ever 44 days

Year to Date vs Normal

70%
23.93" of a normal 33.97" · wettest 62.17" (2011) · driest 14.94" (1974)

Wettest & Driest Years

The extremes of a 127-year record (1899–2025) — full calendar-year totals. The long-run average is 58.73" a year.

Wettest Years on Record

1201089.5in
2201188.14in
3193187.55in
4201385.12in
5195084.97in

Driest Years on Record

1199135.53in
2197135.58in
3198035.95in
4197237.72in
5200039.77in

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 (~5.68") and driest in Mar (~2.05"). Wettest calendar month ever: Aug 2011, 18.56".

This Day in History · Rainfall

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

Wettest Aug 24 ever

4.08in
set in 1988

Rain on Aug 24

67%
of 127 years had measurable rain
1899: 0.00″1900: 0.02″1901: 0.02″1902: 0.00″1903: 0.00″1904: 1.34″1905: 0.00″1906: 0.00″1907: 0.32″1908: 0.00″1909: 0.19″1910: 0.36″1911: 0.00″1912: 0.08″1913: 0.02″1914: 0.65″1915: 0.00″1916: 0.00″1917: 0.01″1918: 0.01″1919: 0.00″1920: 0.46″1921: 1.77″1922: 0.04″1923: 0.02″1924: 0.06″1925: 0.20″1926: 0.00″1927: 1.15″1928: 0.34″1929: 0.00″1930: 0.17″1931: 0.26″1932: 0.00″1933: 0.02″1934: 2.13″1935: 0.52″1936: 1.15″1937: 0.01″1938: 0.11″1939: 0.00″1940: 0.59″1941: 0.08″1942: 0.00″1943: 0.00″1944: 0.17″1945: 0.02″1946: 0.00″1947: 0.00″1948: 0.18″1949: 0.81″1950: 0.80″1951: 0.00″1952: 0.50″1953: 0.01″1954: 0.70″1955: 0.00″1956: 0.00″1957: 0.00″1958: 0.44″1959: 0.53″1960: 0.00″1961: 0.52″1962: 0.00″1963: 0.03″1964: 0.02″1965: 0.00″1966: 0.03″1967: 0.02″1968: 0.15″1969: 0.00″1970: 0.11″1971: 1.52″1972: 0.01″1973: 0.08″1974: 0.00″1975: 0.14″1976: 0.00″1977: 0.38″1978: 0.00″1979: 0.21″1980: 0.02″1981: 0.02″1982: 0.04″1983: 0.10″1984: 0.00″1985: 0.06″1986: 0.00″1987: 0.00″1988: 4.08″1989: 0.22″1990: 0.12″1991: 0.00″1992: 0.00″1993: 0.01″1994: 0.28″1995: 0.00″1996: 0.12″1997: 0.73″1998: 3.28″1999: 0.70″2000: 0.11″2001: 0.00″2002: 0.00″2003: 0.01″2004: 0.01″2005: 0.18″2006: 0.00″2007: 0.34″2008: 0.00″2009: 0.06″2010: 0.00″2011: 1.10″2012: 0.70″2013: 0.04″2014: 0.15″2015: 0.04″2016: 1.52″2017: 0.00″2018: 0.14″2019: 0.01″2020: 0.41″2021: 0.02″2022: 0.01″2023: 0.00″2024: 0.14″2025: 0.02″0″1″2″3″4″5″1900191019201930194019501960197019801990200020102020

This Year's Rainfall

San Juan'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.
San Juan, PR — cumulative rainfall this year vs the record
Download year chart

Rainfall Calendar

San Juan'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.
San Juan, PR — daily rainfall every day on record
Download calendar

Drought History

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

Sun & Location

Sun & Daylight Today

Sunrise6:08 AM
Sunset6:45 PM
Solar noon12:26 PM
Daylight12h 37m
Local standard time (no DST), level horizon.

Location

18.43°N, 66.01°WPuerto Rico

Nearby Stations

Miami, FL1046 mi NWFort Lauderdale, FL1046 mi NWMarathon, FL1058 mi NWWest Palm Beach, FL1063 mi NWKey West, FL1095 mi WFort Pierce, FL1106 mi NW

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