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Philadelphia, PA Weather on April 12

Philadelphia hits 88°F on April 12, 1977

Philadelphia's April 12 record high of 88°F set in 1977 stands as a remarkably warm milestone for this early spring date, nearly 25 degrees above the typical low of 45°F. The contrast between the 1977 record high and the 1976 record low of 30°F illustrates the dramatic temperature swings that can occur in mid-April. With 53 years of data, this April 12 record demonstrates how volatile Pennsylvania's weather can be during the transition from winter to spring.

By Weather On This Day|
Avg High
64°F
Avg Low
45°F
Record High
88°F
1977
Record Low
30°F
1976
Philadelphia, PA on April 12 — Temperature History20°F40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on April 12

Planning for April 12th in Philadelphia, PA? Great weather for outdoor activities.

Frequently Asked Questions

What was the warmest April 12 ever in Philadelphia?

The warmest April 12 in Philadelphia, PA reached 88°F in 1977. That is 24°F above the long-term average high of 64°F.

What was the coldest April 12 ever in Philadelphia?

The coldest April 12 in Philadelphia, PA dropped to 30°F in 1976. That is 15°F below the long-term average low of 45°F.

What is the average temperature on April 12 in Philadelphia?

On April 12, Philadelphia averages a high of 64°F and a low of 45°F based on 53 years of NOAA weather observations from PHILADELPHIA WSFO.

How many years of weather data are available for April 12 in Philadelphia?

We have 53 years of weather records for April 12 in Philadelphia, PA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

April 12 Weather History in Philadelphia

YearHighLowPrecipSnow
202547°F38°F2.84"--
202474°F56°F----
202375°F57°F0"--
202263°F39°F----
202166°F49°F----
201959°F43°F0"--
201855°F45°F0"--
201785°F59°F0"--
201668°F42°F0.48"--
201562°F43°F0"--
201478°F54°F0"--
201374°F46°F1.04"--
201255°F42°F0"--
201183°F61°F0"--
201076°F55°F0.03"--
200952°F36°F0"--
200875°F50°F0.13"--
200751°F40°F0.08"--
200676°F58°F0"--
200561°F41°F0"--
200451°F43°F2.67"--
200371°F47°F0"--
200260°F46°F0.69"--
200055°F44°F0"--
199959°F41°F0.03"--
199870°F45°F0"--
199758°F43°F1.65"--
199680°F57°F0"--
199561°F45°F0"--
199467°F45°F0.23"--
199358°F40°F----
199262°F42°F----
199160°F40°F----
199049°F39°F----
198955°F39°F----
198854°F40°F----
198769°F52°F----
198654°F44°F----
198569°F47°F----
198473°F42°F----
198358°F44°F----
198256°F34°F----
198165°F44°F----
198075°F50°F----
197960°F50°F----
197870°F48°F0"--
197788°F54°F0"--
197649°F30°F0"--
197553°F38°F0"--
197468°F46°F0"--
197348°F38°F----
197263°F46°F0"--
197174°F43°F----

Based on 53 years of data from NOAA station: PHILADELPHIA WSFO

How Has April 12 Changed?

The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.

Monthly Climate Averages

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

Warmest MonthJulyAvg High: 88°F / Low: 71°F
Coldest MonthJanuaryAvg High: 41°F / Low: 28°F
Jan
41°/ 28°
💧 9.3"
❄️ 2.0"
Feb
44°/ 30°
💧 8.4"
❄️ 2.4"
Mar
53°/ 37°
💧 10.9"
❄️ 1.7"
Apr
65°/ 47°
💧 9.3"
❄️ 1.5"
May
74°/ 56°
💧 9.1"
Jun
83°/ 65°
💧 11.5"
Jul
88°/ 71°
💧 12.0"
Aug
86°/ 70°
💧 13.4"
Sep
79°/ 62°
💧 13.2"
Oct
67°/ 51°
💧 10.7"
❄️ 0.4"
Nov
56°/ 42°
💧 9.8"
❄️ 2.0"
Dec
46°/ 33°
💧 10.4"
❄️ 1.8"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.