Lancaster, Pennsylvania vs Norristown Climate
99%matchOn climate, Norristown is a 99% match for Lancaster. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.
Lancaster gets 41 in (1035 mm) of rain a year and Norristown 43 in (1099 mm). July is the warmest month in both, with highs of 87°F (30°C) in Lancaster and 87°F (31°C) in Norristown.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
LancasterNorristownsolid = high, dashed = low
Rain (in per month)
LancasterNorristown
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Lancaster | Norristown | Lancaster | Norristown | Lancaster | Norristown | |
| Jan | 39°F(4°C) | 40°F(5°C) | 24°F(-4°C) | 24°F(-4°C) | 2.9 in(73 mm) | 3.2 in(82 mm) |
| Feb | 42°F(6°C) | 43°F(6°C) | 25°F(-4°C) | 25°F(-4°C) | 2.4 in(60 mm) | 2.8 in(71 mm) |
| Mar | 52°F(11°C) | 52°F(11°C) | 32°F(0°C) | 32°F(0°C) | 3.1 in(80 mm) | 3.7 in(94 mm) |
| Apr | 64°F(18°C) | 64°F(18°C) | 42°F(5°C) | 42°F(5°C) | 3.3 in(85 mm) | 3.5 in(88 mm) |
| May | 74°F(23°C) | 74°F(23°C) | 52°F(11°C) | 52°F(11°C) | 3.5 in(89 mm) | 3.6 in(92 mm) |
| Jun | 82°F(28°C) | 83°F(28°C) | 62°F(16°C) | 61°F(16°C) | 4.2 in(106 mm) | 3.9 in(100 mm) |
| Jul | 87°F(30°C) | 87°F(31°C) | 66°F(19°C) | 67°F(19°C) | 4.2 in(106 mm) | 4.2 in(106 mm) |
| Aug | 85°F(29°C) | 86°F(30°C) | 65°F(18°C) | 65°F(18°C) | 3.6 in(92 mm) | 3.9 in(98 mm) |
| Sep | 78°F(26°C) | 80°F(26°C) | 57°F(14°C) | 57°F(14°C) | 4.0 in(101 mm) | 4.2 in(106 mm) |
| Oct | 67°F(19°C) | 67°F(20°C) | 46°F(8°C) | 46°F(8°C) | 3.2 in(81 mm) | 3.3 in(83 mm) |
| Nov | 55°F(13°C) | 56°F(14°C) | 36°F(2°C) | 36°F(2°C) | 3.0 in(75 mm) | 3.2 in(82 mm) |
| Dec | 44°F(7°C) | 46°F(8°C) | 29°F(-2°C) | 29°F(-2°C) | 3.4 in(87 mm) | 3.8 in(97 mm) |
1991–2020 averages, by calendar month.