Portsmouth weather in August 2024

Expect 88°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Portsmouth in August. Check more long-term weather averages for Portsmouth in August before you book your next holiday to Dominica in 2024/2025.

88
88°F max day temperature
8
8 hours of sunshine per day
20
20 days with some rainfall
75
75°F min night temperature
13
13 hours of daylight per day
H
High heat & humidity
9.6
9.6 inches of monthly rainfall
11
11+ (Extreme) UV index
82
82°F sea temperature

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The August weather guide for Dominica (Portsmouth) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

How hot is it in Portsmouth in August?

Daytime temperatures usually reach 88°F in Portsmouth in August with high heat and humidity, falling to 75°F at night.

How sunny is it in Portsmouth in August?

There are normally 8 hours of bright sunshine each day in Portsmouth in August - that's 62% of daylight hours.

How warm is the sea around Portsmouth in August?

The average sea temperature around Portsmouth in August is 82°F.

Does it rain in Portsmouth in August?

There are usually 20 days with some rain in Portsmouth in August and the average monthly rainfall is 9.6 inches.

What is the chance of a hurricane in Portsmouth in August?

On average less than 1 day in August in Portsmouth is likely to be affected by the passage of one or more tropical storms.

Portsmouth August sunrise & sunset times

Browse the sunrise and sunset times for Portsmouth in August 2024. Select a month to view Portsmouth sunrise and sunset times for the next 12 months.

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

Date	Sunrise times	Sunset times
Thursday, 1st August 2024	05:48	18:36
Friday, 16th August 2024	05:51	18:29
Saturday, 31st August 2024	05:53	18:19

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Dominica - quick facts
Time difference	UK -4 hours
Language(s)	English
Currency	Eastern Caribbean Dollar
Electricity	D + G plug (230V)
Driving side	Left
Why visit?	Beaches Nature
Tourist info	Discover Dominica Authority