DRIESTSINCE
Pennsylvania · precipitation record 1912–2026

Allentown, PA

THIS YEAR · 2026
DRIEST THIS YEAR SINCE 1999
19.02in
7th driest of 113 years · normal 24.84"
📖 Allentown's full Precipitation Almanac →
rain ahead · next 3 days
1.79" of rain forecast
the most rain in 3 days since 2026
1.79in

Accumulation

TODAY
0.0in
no rain yet of 111 yrs
MONTH TO DATE
1.95in
20th driest of 111 yrs
47% of normal
LAST 90 DAYS
6.67in
8th driest of 112 yrs
55% of normal
YEAR TO DATE
19.02in
7th driest of 113 yrs
77% of normal

Extremes & Streaks

Biggest Day on Record

8.71in
on Oct 8, 2005 · in 115 years

Dry Streak

5days
current run under 0.01" · longest ever 42 days (to Nov 12, 1924)

Wet Streak

0days
consecutive days with rain · longest ever 10 days

Year to Date vs Normal

77%
19.02" of a normal 24.84" · wettest 41.04" (1952) · driest 15.34" (1965)

Wettest & Driest Years

The extremes of a 108-year record (1912–2025) — full calendar-year totals. The long-run average is 44.81" a year.

Wettest Years on Record

1201171.72in
2195267.69in
3201866.96in
4201960.66in
5200356.93in

Driest Years on Record

1193029.67in
2198029.82in
3196530.55in
4192233.17in
5191833.58in

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 (~4.57") and driest in Feb (~2.58"). Wettest calendar month ever: Aug 2011, 13.47".

This Day in History · Rainfall

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

Wettest Jul 28 ever

3.00in
set in 1969

Rain on Jul 28

32%
of 111 years had measurable rain
1912: 0.07″1913: 0.00″1914: 0.50″1915: 0.00″1916: 0.00″1917: 0.00″1918: 0.00″1919: 0.00″1922: 0.03″1923: 0.00″1924: 0.00″1925: 0.00″1926: 0.00″1927: 0.19″1928: 1.73″1929: 0.00″1931: 0.00″1932: 0.07″1933: 0.00″1934: 0.00″1935: 0.00″1936: 0.03″1937: 0.00″1938: 0.00″1939: 1.32″1940: 0.00″1941: 0.00″1942: 0.04″1943: 0.19″1944: 0.00″1945: 0.30″1946: 0.00″1947: 0.13″1948: 0.00″1949: 0.08″1950: 0.00″1951: 2.60″1952: 0.11″1953: 0.00″1954: 0.00″1955: 0.00″1956: 0.00″1957: 0.33″1958: 0.50″1959: 0.00″1960: 0.00″1961: 0.00″1962: 0.00″1963: 0.04″1964: 0.00″1965: 0.00″1966: 0.03″1967: 1.05″1968: 0.00″1969: 3.00″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: 0.02″1979: 0.00″1980: 0.00″1981: 0.03″1982: 1.49″1983: 0.00″1984: 0.00″1985: 0.00″1986: 0.00″1987: 0.00″1988: 0.01″1989: 0.00″1990: 0.00″1991: 0.00″1992: 0.00″1993: 0.00″1994: 0.00″1995: 0.24″1996: 0.00″1997: 0.11″1998: 0.00″1999: 0.00″2000: 0.00″2001: 0.00″2002: 0.04″2003: 0.00″2004: 0.17″2005: 0.00″2006: 0.24″2007: 0.00″2008: 0.00″2009: 0.00″2010: 0.00″2011: 0.01″2012: 0.47″2013: 0.75″2014: 0.00″2015: 0.00″2016: 0.61″2017: 0.00″2018: 0.00″2019: 0.00″2020: 0.00″2021: 0.07″2022: 0.51″2023: 0.00″2024: 0.00″2025: 0.00″0″1″2″3″194019501960197019801990200020102020

This Year's Rainfall

Allentown'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.
Allentown, PA — cumulative rainfall this year vs the record
Download year chart

Rainfall Calendar

Allentown'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.
Allentown, PA — daily rainfall every day on record
Download calendar

Drought History

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

Sun & Location

Sun & Daylight Today

Sunrise4:55 AM
Sunset7:21 PM
Solar noon12:08 PM
Daylight14h 27m
Local standard time (no DST), level horizon.

Location

40.65°N, 75.45°W

Nearby Stations

Reading, PA32 mi SWMount Pocono, PA33 mi NTrenton, NJ42 mi SEAvoca, PA49 mi NPhiladelphia, PA54 mi SNewark, NJ67 mi E

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Allentown, PA precipitation share card
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