When to visit
Portsmouth?

Discover the best time of year, based on historical climate, temperature, and precipitation.

Portsmouth
State of Rhode Island and Providence Plantations · United States of America

The best weather in Portsmouth is from June, July, August.consistent weather climate

Climate score
June
83

Excellent climate

☀️Pleasant

Temperature
17–24°C
Pleasant nights
Feels like
16–25°C
Comfortable
Precipitation
74mm
Heavy downpours · 8 days
Sunshine
11.5h
Mostly cloudy
Humidity (%)
76%
Comfortable
Annual Climate Analysis
Temperature, Rain & Feels Like
Rain
Actual Temp
Feels Like
-20°-10°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly Overview
Score111315347483768076683910
ClimateColdColdColdColdCool & rainyPleasantHumidHumidHumidCool & rainyColdCold
Temperature-3–4°C-3–5°C1–9°C5–13°C11–19°C17–24°C21–27°C20–26°C16–22°C11–17°C5–11°C0–6°C
Feels like-8–0°C-8–0°C-4–5°C1–10°C8–17°C16–25°C23–29°C21–28°C16–23°C9–16°C1–8°C-5–2°C
Precipitation122mm
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
Sunshine5.6h
☀︎ 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%
WindNW · 24 km/hW · 24 km/hW · 26 km/hW · 26 km/hSW · 24 km/hSW · 23 km/hSW · 24 km/hSW · 22 km/hW · 22 km/hNW · 21 km/hW · 24 km/hW · 24 km/h
Humidity (%)73%73%70%71%72%76%78%77%78%78%73%76%
Day length9.6h10.6h12.0h13.4h14.5h15.1h14.8h13.8h12.5h11.1h9.8h9.2h

Frequently asked questions

What is the best time to visit Portsmouth?

The best time to visit Portsmouth is June, August, July, September, May, with temperatures between 11 °C and 27 °C. The best month is June. June is high season.

What is the weather like in Portsmouth?

Portsmouth has a climate with an overall score of 4.8/10. Annual temperatures range from -3 °C to 27 °C.

What is the hottest month in Portsmouth?

The hottest month in Portsmouth is July, with average highs of 27 °C and lows of 21 °C.

What is the rainiest month in Portsmouth?

The rainiest month in Portsmouth is December, with an average of 137 mm of precipitation.