Samoa weather in May 2025

Expect 30°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Samoa in May. Check more long-term weather averages for Samoa in May before you book your next holiday to Samoa in 2025/2026.

  • 30°C maximum daytime temperature in May in Samoa (Apia)30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in May in Samoa (Apia)9
    9 days with some rainfall
  • 24°C minimum night-time temperature in May in Samoa (Apia)24
    24°C min night temperature
  • 11 hours of daylight per day in May in Samoa (Apia)11
    11 hours of daylight per day
  • High heat & humidity in May in Samoa (Apia)H
    High heat & humidity
  • 205 mm monthly rainfall in May in Samoa (Apia)205
    205 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Samoa (Apia)9
    9 (Very High) UV index
  • 29°C sea temperature in May in Samoa (Apia)29
    29°C sea temperature

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The May 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 May. 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 May?

Daytime temperatures usually reach 30°C in Apia, Samoa in May with high heat and humidity, falling to 24°C at night.

How sunny is it in Samoa in May?

There are normally 7 hours of bright sunshine each day in Apia, Samoa in May - that's 64% of daylight hours.

How warm is the sea around Samoa in May?

The average sea temperature around Apia, Samoa in May is 29°C.

Does it rain in Samoa in May?

There are usually 9 days with some rain in Apia, Samoa in May and the average monthly rainfall is 205mm.

Samoa May sunrise & sunset times

Browse the sunrise and sunset times for Samoa in May 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
Thursday, 1st May 2025 06:36 18:12
Friday, 16th May 2025 06:39 18:07
Saturday, 31st May 2025 06:44 18:06

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