Samoa weather in August 2025

Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Samoa in August. Check more long-term weather averages for Samoa in August before you book your next holiday to Samoa in 2025/2026.

  • 29°C maximum daytime temperature in August in Samoa (Apia)29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 3 days with some rainfall in August in Samoa (Apia)3
    3 days with some rainfall
  • 23°C minimum night-time temperature in August in Samoa (Apia)23
    23°C min night temperature
  • 12 hours of daylight per day in August in Samoa (Apia)12
    12 hours of daylight per day
  • High heat & humidity in August in Samoa (Apia)H
    High heat & humidity
  • 155 mm monthly rainfall in August in Samoa (Apia)155
    155 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Samoa (Apia)10
    10 (Very High) UV index
  • 28°C sea temperature in August in Samoa (Apia)28
    28°C sea temperature

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The August weather guide for Samoa (Apia) 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.

Top Samoa destinations

Below are average maximum temperatures at popular countries, regions and places in Samoa in August. Select a holiday destination to see more weather parameters.

All Samoa destinations

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

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How hot is it in Samoa in August?

Daytime temperatures usually reach 29°C in Apia, Samoa in August with high heat and humidity, falling to 23°C at night.

How sunny is it in Samoa in August?

There are normally 8 hours of bright sunshine each day in Apia, Samoa in August - that's 69% of daylight hours.

How warm is the sea around Samoa in August?

The average sea temperature around Apia, Samoa in August is 28°C.

Does it ever rain in Samoa in August?

There are usually 3 days with some rain in Apia, Samoa in August and the average monthly rainfall is 155mm.

Samoa August sunrise & sunset times

Browse the sunrise and sunset times for Samoa in August 2025. Select a month to view Samoa sunrise and sunset times for the next 12 months. The Samoa sunrise and sunset times shown below are for Apia.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:48 18:19
Saturday, 16th August 2025 06:42 18:21
Sunday, 31st August 2025 06:33 18:22

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