Climatch

Philadelphia vs Washington Climate

98%match

On climate, Washington is a 98% match for Philadelphia. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.

Philadelphia gets 44 in (1111 mm) of rain a year and Washington 43 in (1092 mm). July is the warmest month in both, with highs of 89°F (31°C) in Philadelphia and 89°F (32°C) in Washington.

JanFebMarAprMayJunJulAugSepOctNovDecJFMAMJJASOND
Philadelphia
JanFebMarAprMayJunJulAugSepOctNovDecJFMAMJJASOND
Washington

Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.

Month by month

Highs and lows (°F)

PhiladelphiaWashingtonsolid = high, dashed = low

25°50°75°100°JFMAMJJASONDPhiladelphia Jan: 42°Philadelphia Feb: 45°Philadelphia Mar: 53°Philadelphia Apr: 66°Philadelphia May: 76°Philadelphia Jun: 84°Philadelphia Jul: 89°Philadelphia Aug: 87°Philadelphia Sep: 80°Philadelphia Oct: 69°Philadelphia Nov: 57°Philadelphia Dec: 47°Philadelphia Jan: 26°Philadelphia Feb: 27°Philadelphia Mar: 34°Philadelphia Apr: 43°Philadelphia May: 54°Philadelphia Jun: 63°Philadelphia Jul: 68°Philadelphia Aug: 67°Philadelphia Sep: 60°Philadelphia Oct: 48°Philadelphia Nov: 38°Philadelphia Dec: 31°Washington Jan: 45°Washington Feb: 48°Washington Mar: 57°Washington Apr: 69°Washington May: 77°Washington Jun: 86°Washington Jul: 89°Washington Aug: 88°Washington Sep: 81°Washington Oct: 70°Washington Nov: 59°Washington Dec: 49°Washington Jan: 28°Washington Feb: 29°Washington Mar: 36°Washington Apr: 45°Washington May: 55°Washington Jun: 64°Washington Jul: 69°Washington Aug: 67°Washington Sep: 60°Washington Oct: 49°Washington Nov: 39°Washington Dec: 31°

Rain (in per month)

PhiladelphiaWashington

0246JFMAMJJASONDPhiladelphia Jan: 3.3Philadelphia Feb: 2.8Philadelphia Mar: 4.1Philadelphia Apr: 3.4Philadelphia May: 3.5Philadelphia Jun: 4.0Philadelphia Jul: 4.3Philadelphia Aug: 4.2Philadelphia Sep: 4.0Philadelphia Oct: 3.4Philadelphia Nov: 3.0Philadelphia Dec: 3.9Washington Jan: 3.0Washington Feb: 2.6Washington Mar: 3.7Washington Apr: 3.2Washington May: 3.9Washington Jun: 3.9Washington Jul: 4.3Washington Aug: 4.2Washington Sep: 4.4Washington Oct: 3.5Washington Nov: 2.9Washington Dec: 3.5

Monthly averages

Average monthly highs, lows and rain in Philadelphia and Washington
MonthHighLowRain
PhiladelphiaWashingtonPhiladelphiaWashingtonPhiladelphiaWashington
Jan42°F(6°C)45°F(7°C)26°F(-3°C)28°F(-2°C)3.3 in(83 mm)3.0 in(75 mm)
Feb45°F(7°C)48°F(9°C)27°F(-3°C)29°F(-2°C)2.8 in(70 mm)2.6 in(66 mm)
Mar53°F(12°C)57°F(14°C)34°F(1°C)36°F(2°C)4.1 in(103 mm)3.7 in(94 mm)
Apr65°F(19°C)69°F(20°C)43°F(6°C)45°F(7°C)3.4 in(87 mm)3.2 in(82 mm)
May76°F(24°C)77°F(25°C)54°F(12°C)55°F(13°C)3.5 in(89 mm)3.9 in(100 mm)
Jun84°F(29°C)85°F(30°C)63°F(17°C)64°F(18°C)4.0 in(101 mm)3.9 in(99 mm)
Jul89°F(31°C)89°F(32°C)68°F(20°C)69°F(21°C)4.3 in(109 mm)4.3 in(109 mm)
Aug87°F(30°C)88°F(31°C)67°F(19°C)67°F(20°C)4.2 in(106 mm)4.2 in(106 mm)
Sep80°F(27°C)81°F(27°C)60°F(15°C)60°F(16°C)4.0 in(102 mm)4.4 in(111 mm)
Oct69°F(21°C)70°F(21°C)48°F(9°C)49°F(9°C)3.3 in(85 mm)3.5 in(88 mm)
Nov57°F(14°C)59°F(15°C)38°F(3°C)38°F(4°C)3.0 in(76 mm)2.9 in(74 mm)
Dec47°F(8°C)49°F(9°C)31°F(-1°C)31°F(0°C)3.9 in(100 mm)3.5 in(88 mm)

1991–2020 averages, by calendar month.

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