Philadelphia vs Potomac Climate
98%matchPhiladelphia vs Potomac: a 98% climate match. 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 Potomac 43 in (1083 mm). July is the warmest month in both, with highs of 89°F (31°C) in Philadelphia and 88°F (31°C) in Potomac.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
PhiladelphiaPotomacsolid = high, dashed = low
Rain (in per month)
PhiladelphiaPotomac
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Philadelphia | Potomac | Philadelphia | Potomac | Philadelphia | Potomac | |
| Jan | 42°F(6°C) | 44°F(6°C) | 26°F(-3°C) | 26°F(-3°C) | 3.3 in(83 mm) | 2.8 in(70 mm) |
| Feb | 45°F(7°C) | 47°F(8°C) | 27°F(-3°C) | 27°F(-3°C) | 2.8 in(70 mm) | 2.6 in(66 mm) |
| Mar | 53°F(12°C) | 55°F(13°C) | 34°F(1°C) | 34°F(1°C) | 4.1 in(103 mm) | 3.6 in(92 mm) |
| Apr | 65°F(19°C) | 67°F(20°C) | 43°F(6°C) | 43°F(6°C) | 3.4 in(87 mm) | 3.3 in(84 mm) |
| May | 76°F(24°C) | 76°F(24°C) | 54°F(12°C) | 53°F(11°C) | 3.5 in(89 mm) | 4.0 in(102 mm) |
| Jun | 84°F(29°C) | 83°F(29°C) | 63°F(17°C) | 62°F(16°C) | 4.0 in(101 mm) | 4.1 in(104 mm) |
| Jul | 89°F(31°C) | 88°F(31°C) | 68°F(20°C) | 66°F(19°C) | 4.3 in(109 mm) | 4.1 in(104 mm) |
| Aug | 87°F(30°C) | 86°F(30°C) | 67°F(19°C) | 65°F(18°C) | 4.2 in(106 mm) | 4.1 in(104 mm) |
| Sep | 80°F(27°C) | 79°F(26°C) | 60°F(15°C) | 58°F(14°C) | 4.0 in(102 mm) | 4.3 in(109 mm) |
| Oct | 69°F(21°C) | 68°F(20°C) | 48°F(9°C) | 46°F(8°C) | 3.3 in(85 mm) | 3.4 in(86 mm) |
| Nov | 57°F(14°C) | 57°F(14°C) | 38°F(3°C) | 37°F(3°C) | 3.0 in(76 mm) | 3.0 in(76 mm) |
| Dec | 47°F(8°C) | 47°F(9°C) | 31°F(-1°C) | 30°F(-1°C) | 3.9 in(100 mm) | 3.4 in(86 mm) |
1991–2020 averages, by calendar month.