Best time to go to Portsmouth

  • Max Day Temperature: 22 - 30°C [remove]
  • Hours of Sunshine: 10 hours or more [remove]

The best time to go to Portsmouth is June, July and August

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Max Day Temperature (°C)

  • 1°C maximum daytime temperature in January in Portsmouth1
    Jan
  • 2°C maximum daytime temperature in February in Portsmouth2
    Feb
  • 7°C maximum daytime temperature in March in Portsmouth7
    Mar
  • 13°C maximum daytime temperature in April in Portsmouth13
    Apr
  • 19°C maximum daytime temperature in May in Portsmouth19
    May
  • 25°C maximum daytime temperature in June in Portsmouth25
    Jun
  • 28°C maximum daytime temperature in July in Portsmouth28
    Jul
  • 27°C maximum daytime temperature in August in Portsmouth27
    Aug
  • 23°C maximum daytime temperature in September in Portsmouth23
    Sep
  • 17°C maximum daytime temperature in October in Portsmouth17
    Oct
  • 10°C maximum daytime temperature in November in Portsmouth10
    Nov
  • 3°C maximum daytime temperature in December in Portsmouth3
    Dec

Hours of Sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec
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  • Portsmouth weather overview
  • Portsmouth climate averages by month
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  • Portsmouth 5-day weather forecast
  • Portsmouth weather today - current conditions (last 24-hours)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The best time to go guide for Portsmouth, New Hampshire shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia) & the Met Office. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

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Best time to go to Portsmouth, New Hampshire, USA

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