Norristown, Pennsylvania
Geografi > Iklim

Dalam klasifikasi iklim Köppen, wilayah ini memiliki iklim subtropis lembab (Cfa) menurut angka suhu terkini. Klasifikasi iklim Trewartha sekarang memiliki iklim Do (samudera karena hanya tujuh bulan di atas 50 °F.) Zona tahan banting adalah 7a.
| Data iklim Norristown, Pennsylvania (1991–2020 normal, ekstrem 1951–sekarang)> Bulan | Data iklim Norristown, Pennsylvania (1991–2020 normal, ekstrem 1951–sekarang)> Jan | Data iklim Norristown, Pennsylvania (1991–2020 normal, ekstrem 1951–sekarang)> Feb | Data iklim Norristown, Pennsylvania (1991–2020 normal, ekstrem 1951–sekarang)> Mar | Data iklim Norristown, Pennsylvania (1991–2020 normal, ekstrem 1951–sekarang)> Apr | Data iklim Norristown, Pennsylvania (1991–2020 normal, ekstrem 1951–sekarang)> Mei | Data iklim Norristown, Pennsylvania (1991–2020 normal, ekstrem 1951–sekarang)> Jun | Data iklim Norristown, Pennsylvania (1991–2020 normal, ekstrem 1951–sekarang)> Jul | Data iklim Norristown, Pennsylvania (1991–2020 normal, ekstrem 1951–sekarang)> Agt | Data iklim Norristown, Pennsylvania (1991–2020 normal, ekstrem 1951–sekarang)> Sep | Data iklim Norristown, Pennsylvania (1991–2020 normal, ekstrem 1951–sekarang)> Okt | Data iklim Norristown, Pennsylvania (1991–2020 normal, ekstrem 1951–sekarang)> Nov | Data iklim Norristown, Pennsylvania (1991–2020 normal, ekstrem 1951–sekarang)> Des | Data iklim Norristown, Pennsylvania (1991–2020 normal, ekstrem 1951–sekarang)> Tahun |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Rekor tertinggi °F (°C) | 76  (24) | 78  (26) | 84  (29) | 98  (37) | 98  (37) | 100  (38) | 108  (42) | 106  (41) | 102  (39) | 92  (33) | 85  (29) | 76  (24) | 108  (42) |
| Rata-rata tertinggi °F (°C) | 41.7  (5.4) | 43.5  (6.4) | 52.1  (11.2) | 64.8  (18.2) | 74.8  (23.8) | 84.0  (28.9) | 88.8  (31.6) | 86.5  (30.3) | 80.0  (26.7) | 68.4  (20.2) | 56.8  (13.8) | 46.3  (7.9) | 65.6  (18.7) |
| Rata-rata harian °F (°C) | 32.1  (0.1) | 34.1  (1.2) | 41.8  (5.4) | 53.1  (11.7) | 63.4  (17.4) | 73.0  (22.8) | 77.7  (25.4) | 75.9  (24.4) | 68.8  (20.4) | 56.5  (13.6) | 45.9  (7.7) | 37.3  (2.9) | 55.0  (12.8) |
| Rata-rata terendah °F (°C) | 22.6  (−5.2) | 24.7  (−4.1) | 31.6  (−0.2) | 41.5  (5.3) | 52.1  (11.2) | 62.0  (16.7) | 66.6  (19.2) | 65.2  (18.4) | 57.6  (14.2) | 44.6  (7) | 35.1  (1.7) | 28.3  (−2.1) | 44.3  (6.8) |
| Rekor terendah °F (°C) | −12  (−24) | −5  (−21) | 8  (−13) | 15  (−9) | 29  (−2) | 41  (5) | 48  (9) | 40  (4) | 35  (2) | 26  (−3) | 14  (−10) | −10  (−23) | −12  (−24) |
| Presipitasi inci (mm) | 3.66  (93) | 2.98  (75.7) | 4.41  (112) | 3.90  (99.1) | 4.25  (108) | 4.20  (106.7) | 4.70  (119.4) | 4.98  (126.5) | 4.91  (124.7) | 4.32  (109.7) | 3.61  (91.7) | 4.73  (120.1) | 50,65  (1.286,5) |
| Curah salju inci (cm) | 6.8  (17.3) | 10.9  (27.7) | 3.0  (7.6) | 0.2  (0.5) | 0.0  (0) | 0.0  (0) | 0.0  (0) | 0.0  (0) | 0.0  (0) | 0.1  (0.3) | 0.1  (0.3) | 4.2  (10.7) | 25.3  (64.3) |
| Rata-rata hari hujan atau bersalju (≥ 0.01 in) | 11.0 | 9.4 | 11.1 | 12.8 | 14.1 | 11.9 | 10.7 | 10.4 | 8.9 | 11.2 | 9.3 | 10.5 | 131.3 |
| Rata-rata hari bersalju (≥ 0.1 in) | 3.3 | 2.9 | 1.6 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 1.4 | 9.5 |
Sumber: NOAA