Philadelphia weather in March: Philadelphia, Pennsylvania: normal highs, lows, rain and records for March

Philadelphia in March has a normal high of 53°F and a normal low of 34°F, a daily mean of 44°F, rising from 48°F on the 1st to 58°F by the 31st. Measurable precipitation falls on 11 days in a normal March, 3.96 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 12°C and low of 1°C, 101 mm of precipitation and 9 cm of snow in March.

  • NOAA stationPhiladelphia International Airport
  • Station IDUSW00013739
  • Location39.87°N 75.23°W
  • Elevation10 ft (3 m)
  • From the center11 miles
  • Population1,573,916
  1. Jan 41° 26°
  2. Feb 44° 28°
  3. Mar 53° 34°
  4. Apr 65° 44°
  5. May 74° 54°
  6. Jun 83° 64°
  7. Jul 88° 70°
  8. Aug 86° 68°
  9. Sep 79° 61°
  10. Oct 67° 49°
  11. Nov 56° 39°
  12. Dec 46° 31°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Philadelphia in March?

The normal high is 53°F and the normal low 34°F, for a daily mean of 43.6°F. March is 7.7°F warmer than February and 10.9°F cooler than April. March is the 9th warmest month of the year in Philadelphia and the 6th wettest. Across the month the normal high rises 10°F, from 48°F on March 1 to 58°F on March 31. From one year to the next March's mean temperature typically moves about 3.6°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 40°F and 47°F.

Philadelphia in March, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 36%).

Normal high and low on five days of March, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
March 148°F30°F34%21%
March 850°F32°F34%21%
March 1552°F34°F35%21%
March 2255°F36°F35%22%
March 3158°F39°F36%22%
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
Philadelphia: NOAA 1991-2020 daily normals for each day of March
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
March 148°F30°F34%21%11 h 20 min
March 248°F31°F34%21%11 h 20 min
March 348°F31°F34%21%11 h 20 min
March 449°F31°F34%21%11 h 20 min
March 549°F31°F34%21%11 h 30 min
March 649°F32°F34%21%11 h 30 min
March 750°F32°F34%21%11 h 30 min
March 850°F32°F34%21%11 h 30 min
March 950°F32°F34%21%11 h 40 min
March 1051°F33°F34%21%11 h 40 min
March 1151°F33°F34%21%11 h 40 min
March 1251°F33°F34%21%11 h 40 min
March 1352°F33°F34%21%11 h 50 min
March 1452°F34°F35%21%11 h 50 min
March 1552°F34°F35%21%11 h 50 min
March 1653°F34°F35%21%12 h
March 1753°F34°F35%21%12 h
March 1853°F35°F35%21%12 h
March 1954°F35°F35%21%12 h
March 2054°F35°F35%22%12 h 10 min
March 2154°F36°F35%22%12 h 10 min
March 2255°F36°F35%22%12 h 10 min
March 2355°F36°F35%21%12 h 10 min
March 2456°F37°F35%21%12 h 20 min
March 2556°F37°F35%22%12 h 20 min
March 2656°F37°F36%22%12 h 20 min
March 2757°F38°F36%22%12 h 20 min
March 2857°F38°F36%22%12 h 30 min
March 2958°F38°F36%22%12 h 30 min
March 3058°F39°F36%22%12 h 30 min
March 3158°F39°F36%22%12 h 30 min
Normal high
53°FMarch average
Normal low
34°FMarch average
Precipitation
3.96 inmonth total
Days with precipitation
110.01 inch or more
Snowfall
3.6 inmonth total
Nights at 32°F or colder
12
Daylight
11 h 20 min to 12 h 30 minMarch 1 to March 31
Days at 70°F or more
2
Sunshine
69%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00013739; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Philadelphia in March?

On a given March day the chance of 0.01 inch or more is 35% on average, highest around March 31 (36%). In all, 3.96 in falls on 11 days of a normal March, 1 of them with an inch or more.

In a normal March in Philadelphia, 12 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 3.6 inches.

Snow falls on 2 days in a normal March, and an inch or more covers the ground on 2 days.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013739.

How humid and windy is Philadelphia in March?

At 3 p.m. the normal temperature is 56°F with 42% relative humidity and a dew point of 34°F; at 6 a.m. it is 43°F with 69% humidity. The wind averages 10.5 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.

A normal March day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.43°F33°F69%8.5 mph31%
9 a.m.48°F34°F58%11.3 mph–
noon54°F34°F47%12.2 mph27%
3 p.m.56°F34°F42%13.1 mph26%
6 p.m.54°F33°F45%12.2 mph25%
9 p.m.49°F34°F56%9.7 mph36%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00013739. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for March in Philadelphia?

The warmest March temperature on Philadelphia's official record (since 1873) is 87°F, on March 29, 1945; the coldest is 6°F, on March 21, 1885. The wettest March brought 9.10 in (1912); the snowiest, 15.2 inches (1914).

The March mean against the 1991-2020 normal of 43.6°F: 2021 47.4°F (+3.8), 2022 47.8°F (+4.2), 2023 45.1°F (+1.5), 2024 48.5°F (+4.9), 2025 49.5°F (+5.9), 2026 49.2°F (+5.6). 6 of 6 ran warmer than normal.

Philadelphia: March in recent years against the 1991-2020 normal
MarchMeanAgainst normalPrecip.
202147.4°F+3.8°F4.21 in
202247.8°F+4.2°F2.09 in
202345.1°F+1.5°F1.99 in
202448.5°F+4.9°F7.19 in
202549.5°F+5.9°F5.36 in
202649.2°F+5.6°F1.90 in

Source: records: ACIS, NWS threaded record PHLthr; recent months: ACIS, station USW00013739. Records and recent months use complete months only.

How does March in Philadelphia compare across Pennsylvania?

Across the 108 places PlainClimate covers in Pennsylvania, March normal highs run from 40°F in Laporte to 53°F in Marcus Hook; Philadelphia's is 53°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places