WETTESTSINCE
Delaware · precipitation record 1894–2026

Wilmington, DE

2026
NEAR NORMAL PRECIPITATION
22.77in
year to date · normal 24.85"
📖 Wilmington's full Precipitation Almanac →

Accumulation

TODAY
0.0in
no rain yet of 127 yrs
MONTH TO DATE
6.47in
21st wettest of 125 yrs
167% of normal
LAST 90 DAYS
13.15in
47th wettest of 131 yrs
117% of normal
YEAR TO DATE
22.77in
47th driest of 132 yrs
92% of normal

Extremes & Streaks

Biggest Day on Record

8.29in
on Sep 16, 1999 · in 133 years

Dry Streak

0days
current run under 0.01" · longest ever 42 days (to Nov 9, 2024)

Wet Streak

1days
consecutive days with rain · longest ever 16 days

Year to Date vs Normal

92%
22.77" of a normal 24.85" · wettest 40.42" (1919) · driest 12.34" (1909)

Wettest & Driest Years

The extremes of a 109-year record (1897–2025) — full calendar-year totals. The long-run average is 43.02" a year.

Wettest Years on Record

1201861.37in
2194561.05in
3191960.84in
4191157.05in
5200456.73in

Driest Years on Record

1196524.9in
2190926.94in
3199728.02in
4193028.87in
5196831.75in

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 Jul (~4.33") and driest in Feb (~2.73"). Wettest calendar month ever: Aug 1911, 14.91".

This Day in History · Rainfall

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

Wettest Jul 28 ever

2.34in
set in 1914

Rain on Jul 28

38%
of 127 years had measurable rain
1894: 0.00″1895: 0.02″1896: 0.00″1897: 1.22″1898: 0.55″1899: 0.52″1900: 0.00″1901: 0.00″1902: 0.00″1903: 0.00″1904: 0.00″1905: 0.00″1906: 1.15″1907: 0.00″1909: 0.00″1910: 0.00″1911: 0.00″1912: 0.00″1913: 0.00″1914: 2.34″1915: 0.00″1916: 0.00″1917: 0.00″1918: 0.00″1919: 0.05″1920: 0.00″1921: 0.56″1922: 0.00″1923: 0.00″1925: 0.00″1926: 0.00″1927: 0.32″1928: 0.70″1929: 0.00″1930: 0.00″1932: 0.02″1933: 0.00″1934: 0.77″1936: 0.06″1938: 0.00″1939: 0.40″1940: 0.00″1941: 0.14″1942: 0.52″1943: 0.00″1944: 0.03″1945: 0.00″1946: 0.00″1947: 0.01″1948: 0.01″1949: 0.00″1950: 0.00″1951: 0.85″1952: 0.00″1953: 0.02″1954: 0.00″1955: 0.00″1956: 0.46″1957: 0.23″1958: 0.00″1959: 0.00″1960: 0.00″1961: 0.00″1962: 0.00″1963: 0.07″1964: 0.00″1965: 0.18″1966: 0.00″1967: 0.02″1968: 0.00″1969: 2.30″1970: 0.00″1971: 0.00″1972: 0.00″1973: 0.00″1974: 0.00″1975: 0.00″1976: 0.00″1977: 0.00″1978: 0.08″1979: 0.00″1980: 0.00″1981: 0.40″1982: 0.55″1983: 0.00″1984: 0.00″1985: 0.00″1986: 0.00″1987: 0.00″1988: 0.24″1989: 0.00″1990: 0.00″1991: 0.00″1992: 0.00″1993: 0.00″1994: 0.68″1995: 0.18″1996: 0.00″1997: 0.03″1998: 0.00″1999: 0.00″2000: 0.02″2001: 0.00″2002: 0.06″2003: 0.04″2004: 0.02″2005: 0.00″2006: 0.00″2007: 0.01″2008: 0.00″2009: 0.00″2010: 0.00″2011: 0.25″2012: 0.24″2013: 1.50″2014: 0.32″2015: 0.00″2016: 1.02″2017: 0.13″2018: 0.00″2019: 0.00″2020: 0.00″2021: 0.12″2022: 0.23″2023: 0.31″2024: 0.00″2025: 0.00″0″1″2″3″1900191019201930194019501960197019801990200020102020

This Year's Rainfall

Wilmington'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.
Wilmington, DE — cumulative rainfall this year vs the record
Download year chart

Rainfall Calendar

Wilmington'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.
Wilmington, DE — daily rainfall every day on record
Download calendar

Sun & Location

Sun & Daylight Today

Sunrise4:59 AM
Sunset7:19 PM
Solar noon12:09 PM
Daylight14h 20m
Local standard time (no DST), level horizon.

Location

39.67°N, 75.61°W

Nearby Stations

Philadelphia, PA24 mi NEReading, PA51 mi NWAtlantic City, NJ57 mi ETrenton, NJ59 mi NEBaltimore Downtown, MD60 mi WAtlantic City Marina, NJ66 mi E

Share Card

Wilmington, DE precipitation share card
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