When to go · Portsmouth, New Hampshire
Portsmouth, New Hampshire in August
Great month. Inside Portsmouth, New Hampshire's best window: May–Oct.
Key facts
- Verdict
- Great
- Temperature
- 26°C (79°F)79°F (26°C) / 16°C (61°F)61°F (16°C)
- average high / low
- Rain days
- 9
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Inside Portsmouth, New Hampshire's best window: May–Oct.
Is another month better than August?
No other month rates higher than August for Portsmouth, New Hampshire in this guide.
Weather in August
- Portsmouth, New HampshireHighs around 26 °C (79 °F), lows around 16 °C (61 °F), rain on about 9 daysHighs around 79 °F (26 °C), lows around 61 °F (16 °C), rain on about 9 days
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Portsmouth, New Hampshire, side by side.
Verdict
Aug: Great
May: Great
Daytime high
Aug: 26 °C (79 °F)79 °F (26 °C)
May: 19 °C (66 °F)66 °F (19 °C)
Night low
Aug: 16 °C (61 °F)61 °F (16 °C)
May: 8 °C (46 °F)46 °F (8 °C)
Rain days
Aug: 9 (better)
May: 12
Crowds
Aug: High
May: Medium
Prices
Aug: High
May: Medium
Festivals listed
Aug: 0
May: 1
August: Inside Portsmouth, New Hampshire's best window: May–Oct.
May: Inside Portsmouth, New Hampshire's best window: May–Oct.
Portsmouth, New Hampshire: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.