Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Norristown is from May, June, October. — consistent weather climate
🌦Humid
| Score | 11 | 17 | 34 | 59 | 79 | 81 | 56 | 67 | 79 | 83 | 47 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cold | Mild | Humid | Humid | Humid | Humid | Mild | Cold | Cold |
| Temperature | -2–6°C | -2–8°C | 2–13°C | 6–17°C | 11–23°C | 17–28°C | 20–31°C | 19–29°C | 15–25°C | 10–20°C | 4–13°C | 0–8°C |
| Feels like | -6–2°C | -6–4°C | -2–9°C | 3–15°C | 9–22°C | 17–29°C | 23–34°C | 21–32°C | 15–26°C | 8–18°C | 1–10°C | -4–5°C |
| Precipitation | 102mm 10 days | 88mm 10 days | 107mm 9 days | 124mm 10 days | 94mm 9 days | 91mm 9 days | 137mm 10 days | 145mm 11 days | 106mm 9 days | 80mm 8 days | 75mm 6 days | 102mm 9 days |
| Sunshine | 5.7h ☀︎ 59% | 6.8h ☀︎ 63% | 7.8h ☀︎ 66% | 8.9h ☀︎ 67% | 9.8h ☀︎ 68% | 11.5h ☀︎ 77% | 11.5h ☀︎ 78% | 10.5h ☀︎ 76% | 9.0h ☀︎ 72% | 8.0h ☀︎ 72% | 7.7h ☀︎ 78% | 5.7h ☀︎ 61% |
| Wind | W · 18 km/h | W · 18 km/h | W · 19 km/h | W · 19 km/h | W · 17 km/h | SW · 16 km/h | SW · 14 km/h | W · 14 km/h | N · 15 km/h | W · 15 km/h | W · 17 km/h | W · 17 km/h |
| Humidity (%) | 69% | 68% | 65% | 65% | 66% | 65% | 71% | 73% | 72% | 73% | 68% | 72% |
| Day length | 9.7h | 10.7h | 12.0h | 13.3h | 14.4h | 15.0h | 14.7h | 13.7h | 12.4h | 11.1h | 10.0h | 9.4h |