VitaminDholidays

Vitamin D in Samoa: best months for sun and a travel guide

There is no month we can recommend for a beach stay in Samoa. The sun is strong enough for vitamin D (at best a full dose takes about 6 minutes at midday for skin type III at age 30), but it is rainy or stormy all year.

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Samoa month by month

Samoa is rated at its median coastal place, for skin type III at age 30. Click a month for the details.

MonthRatingSun windowPeak UVFull dose, age 30Full dose, age 65Afternoon highRainy days
JanuaryBad weather8.5 h8.96 min11 min30°C25/30
FebruaryBad weather7.0 h8.27 min12 min30°C29/30
MarchBad weather8.5 h9.36 min11 min30°C27/30
AprilBad weather7.9 h8.07 min13 min30°C28/30
MayBad weather7.0 h6.88 min15 min29°C26/30
JuneBad weather6.6 h6.29 min16 min29°C21/30
JulyBad weather6.3 h6.29 min16 min29°C18/30
AugustBad weather7.2 h7.27 min14 min29°C18/30
SeptemberBad weather8.2 h8.76 min11 min28°C28/30
OctoberBad weather8.1 h8.66 min12 min29°C26/30
NovemberBad weather8.1 h8.76 min11 min27°C27/30
DecemberBad weather8.5 h9.06 min11 min28°C26/30

Sun window is the number of hours a day with UV Index 2.5 or higher. Full dose is the minutes at midday for about 1,000 IU of vitamin D with a quarter of the body bare, for skin type III. Rainy days are days with at least 1 mm out of 30.

Travel guide: why go to Samoa

Why go

Samoa is an easy-going Polynesian country of beach fales, waterfalls and strong village traditions.

Best for

Culture travellers, couples and families.

What to expect

A dry season from May to October, and a rainier, hotter season from November to April. Sundays are quiet and respected, and dress is modest in villages.

Compare stays in Samoa

Places in Samoa

Each place has its own climate, so its best months can differ from the country as a whole.

Apia

Small, friendly capital with a market and a Robert Louis Stevenson museum.

Best for culture travellers

Best months none · Avoid rainy or stormy all year

Slightly run down, laid-back town with some good hotels. Good shopping, restaurants, bars and a public market.

Lalomanu

Beach-fale stays on a white-sand lagoon.

Best for couples, budget travellers

Best months none · Avoid rainy or stormy all year

Savai'i best: Excellent

Bigger, wilder island of lava fields and blowholes.

Best for adventurers, nature lovers

Best months July to September · Avoid rainy or stormy from October to June

To Sua Ocean Trench

Giant swimming hole you reach by ladder.

Best for swimmers, photographers

Best months none · Avoid rainy or stormy all year

Manono Island best: Excellent

Car-free island with a village stay.

Best for culture travellers, couples

Best months June to September · Avoid rainy or stormy from October to May

Some short descriptions come from Wikivoyage (CC BY-SA 4.0).

Questions about vitamin D in Samoa

When is the best time to visit Samoa for vitamin D?

There is no month we can recommend for a beach stay in Samoa. The sun is strong enough for vitamin D (at best a full dose takes about 6 minutes at midday for skin type III at age 30), but it is rainy or stormy all year.

Can you get vitamin D from the sun in Samoa in July?

Yes, but slowly. In July a full dose takes about 9 minutes at midday for skin type III at age 30, with 6.3 usable hours a day.

How long do I need in the sun in Samoa?

In March, the best month, about 6 minutes at midday with a quarter of the body bare, for skin type III at age 30; about 11 minutes at age 65. Darker skin needs longer and fair skin burns sooner, so keep sessions short. This is an estimate for planning, not medical advice.

Which months should I avoid in Samoa?

For a beach stay, avoid the months when it is rainy or stormy all year.

What is the best place in Samoa for vitamin D?

In March the strongest sun of the places we rate is around Manono Island. Each place has its own rating, so open the place list to compare them.

Plan by month

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Best places for vitamin D in March · Vitamin D explained