Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Portsmouth is from June, July, August. — consistent weather climate
☀️Pleasant
| Score | 11 | 13 | 15 | 34 | 74 | 83 | 76 | 80 | 76 | 68 | 39 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cold | Cool & rainy | Pleasant | Humid | Humid | Humid | Cool & rainy | Cold | Cold |
| Temperature | -3–4°C | -3–5°C | 1–9°C | 5–13°C | 11–19°C | 17–24°C | 21–27°C | 20–26°C | 16–22°C | 11–17°C | 5–11°C | 0–6°C |
| Feels like | -8–0°C | -8–0°C | -4–5°C | 1–10°C | 8–17°C | 16–25°C | 23–29°C | 21–28°C | 16–23°C | 9–16°C | 1–8°C | -5–2°C |
| Precipitation | 122mm 11 days | 99mm 10 days | 116mm 10 days | 105mm 10 days | 113mm 9 days | 74mm 8 days | 113mm 10 days | 91mm 9 days | 118mm 9 days | 111mm 9 days | 75mm 6 days | 137mm 10 days |
| Sunshine | 5.6h ☀︎ 58% | 6.6h ☀︎ 63% | 8.2h ☀︎ 68% | 8.3h ☀︎ 62% | 10.3h ☀︎ 71% | 11.5h ☀︎ 76% | 11.1h ☀︎ 75% | 10.7h ☀︎ 78% | 8.9h ☀︎ 71% | 7.9h ☀︎ 71% | 7.2h ☀︎ 73% | 5.7h ☀︎ 62% |
| Wind | NW · 24 km/h | W · 24 km/h | W · 26 km/h | W · 26 km/h | SW · 24 km/h | SW · 23 km/h | SW · 24 km/h | SW · 22 km/h | W · 22 km/h | NW · 21 km/h | W · 24 km/h | W · 24 km/h |
| Humidity (%) | 73% | 73% | 70% | 71% | 72% | 76% | 78% | 77% | 78% | 78% | 73% | 76% |
| Day length | 9.6h | 10.6h | 12.0h | 13.4h | 14.5h | 15.1h | 14.8h | 13.8h | 12.5h | 11.1h | 9.8h | 9.2h |
State of Rhode Island and Providence Plantations · United States of America
State of Rhode Island and Providence Plantations · United States of America
State of Rhode Island and Providence Plantations · United States of America