Which is the hottest month in Portsmouth?

The hottest time of year in Portsmouth is normally July. Expect maximum daytime temperatures to reach 21°C.

Which month has the most rain in Portsmouth?

In terms of rainfall, November is usually the wettest month in Portsmouth with 80mm on average. There are normally 15 days in November with some rain.

When is it sunniest in Portsmouth?

The sunniest time of year in Portsmouth is normally August with bright sunshine on average for 48% of daylight hours; that's 7 hours of sunshine per day.

When is the sea warmest in Portsmouth?

The sea is usually at its warmest in Portsmouth in August when the water temperature reaches 18°C.

Best time to visit Portsmouth

Q: When is the best time to visit Portsmouth?

The best time to visit Portsmouth is July and August based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C.

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Portsmouth by month

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When is the best time to visit Portsmouth?

The best time to visit Portsmouth is July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]

Change the criteria to reflect your weather preferences.

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May
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Aug
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Max Day Temperature (°C)

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16
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Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for England (Portsmouth) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

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