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Allentown, PA Weather on July 11

July 11th in Allentown, PA typically brings warm summer weather, with average highs around 84°F and lows near 63°F. Over 55 years of records, the warmest July 11th was in 1988 (85°F average), while the coldest was 1971 (64°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 25% of July 11th dates historically, with the wettest July 11th recording 6.99" of rain. The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
84°F
Avg Low
63°F
Record High
97°F
1988
Record Low
50°F
1996
Allentown, PA on July 11 — Temperature History40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on July 11

Planning for July 11th in Allentown, PA? Stay hydrated and seek shade during peak afternoon hours.

July 11 Weather Records for Allentown

  • The all-time record high for July 11th in Allentown, PA is 97°F, set in 1988.
  • The coldest July 11th on record dropped to 50°F in 1996.
  • Temperatures have reached 90°F or higher on July 11th in 9 of the last 55 years.
  • Last year (1971), July 11th was 14°F cooler than the long-term average.

Frequently Asked Questions

What was the warmest July 11 ever in Allentown?

The warmest July 11 in Allentown, PA reached 97°F in 1988. That is 13°F above the long-term average high of 84°F.

What was the coldest July 11 ever in Allentown?

The coldest July 11 in Allentown, PA dropped to 50°F in 1996. That is 13°F below the long-term average low of 63°F.

What is the average temperature on July 11 in Allentown?

On July 11, Allentown averages a high of 84°F and a low of 63°F based on 55 years of NOAA weather observations from ALLENTOWN LEHIGH VLY INTL AP.

How many years of weather data are available for July 11 in Allentown?

We have 55 years of weather records for July 11 in Allentown, PA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

July 11 Weather History in Allentown

YearHighLowPrecipSnow
202589°F67°F0"--
202480°F67°F0"--
202385°F58°F0"--
202286°F57°F0"--
202184°F65°F1.4"--
202087°F69°F0"--
201978°F72°F6.99"--
201889°F66°F0"--
201786°F67°F0"--
201684°F58°F0"--
201586°F61°F0"--
201486°F63°F0"--
201386°F68°F0"--
201290°F65°F0"--
201192°F66°F0"--
201090°F66°F0"--
200978°F61°F2.67"--
200887°F56°F0"--
200786°F68°F0.3"--
200688°F68°F0"--
200590°F60°F0"--
200488°F62°F0"--
200385°F65°F0.05"--
200278°F52°F0"--
200179°F57°F0.03"--
200082°F62°F0"--
199981°F51°F0"--
199880°F54°F0"--
199783°F52°F0"--
199679°F50°F0"--
199583°F60°F1.32"--
199483°F61°F0"--
199391°F73°F0"--
199284°F70°F0"--
199185°F59°F0"--
199071°F60°F0.46"--
198989°F70°F0"--
198897°F74°F0.18"--
198795°F73°F0.1"--
198672°F59°F0"--
198584°F64°F0"--
198491°F70°F1.09"--
198382°F54°F0"--
198283°F68°F0.03"--
198194°F66°F0"--
198088°F68°F0"--
197984°F63°F0"--
197878°F56°F0"--
197780°F65°F0"--
197683°F66°F1.24"--
197580°F63°F0"--
197478°F60°F0"--
197382°F60°F0"--
197289°F65°F0"--
197170°F59°F0.23"--

Based on 55 years of data from NOAA station: ALLENTOWN LEHIGH VLY INTL AP

Monthly Climate Averages

Historical temperature and precipitation averages for Allentown, PA, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 85°F / Low: 64°F
Coldest MonthJanuaryAvg High: 37°F / Low: 21°F
Jan
37°/ 21°
💧 7.6"
❄️ 1.8"
Feb
40°/ 22°
💧 7.4"
❄️ 2.3"
Mar
50°/ 30°
💧 8.7"
❄️ 2.2"
Apr
62°/ 39°
💧 8.4"
❄️ 1.4"
May
72°/ 50°
💧 8.6"
Jun
80°/ 59°
💧 9.6"
❄️ 0.6"
Jul
85°/ 64°
💧 11.9"
Aug
83°/ 62°
💧 11.3"
Sep
76°/ 55°
💧 12.5"
Oct
64°/ 44°
💧 10.4"
❄️ 3.3"
Nov
53°/ 34°
💧 9.2"
❄️ 1.5"
Dec
42°/ 26°
💧 8.8"
❄️ 1.5"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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