Average temperature in Portsmouth (NH)
The mean minimum and maximum temperatures over the year in Portsmouth (New Hampshire), the United States of America.
- The months of June, July, August and September have nice average temperatures.
- On average, the warmest month is July with 27°C.
- On average, the coolest month is January with 1°C.
- The average annual maximum temperature is 14°C.
- The average annual minimum temperature is 4°C.
Weather Forecasts for Portsmouth (NH)
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