Samoa Weather & Climate 2026

Af Tropical Rainforest

Monthly climate averages for Apia. Based on 10-year ERA5 reanalysis data.

January February March April May June July August September October November December

Climate Overview

Samoa experiences average highs of 27°C (81°F) and lows of 26°C (79°F) throughout the year. Rainfall is frequent, averaging about 25 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. High humidity combined with warm temperatures produces a tropical feel year-round. Average highs have stayed broadly stable across the available records.

Drier season: Mar–Sep Wetter season: Jan–Dec

At-a-Glance Climate Summary

Jan 4.6/10 Feb 4.5/10 Mar 4.6/10 Apr 4.6/10 May 4.8/10 Jun 5.4/10 Jul 6.3/10 Aug 6.5/10 Sep 6.4/10 Oct 5.1/10 Nov 4.7/10 Dec 4.7/10

Key figures

Climate Score
5.2/10
Best: July, August, September
UV Index
—
Low
Temperature 27°C / 26°C
Feels Like 32°C / 29°C
Rainy Days 25
Rainfall 245 mm
Sunshine 10 h
Humidity 83%
Wind Speed 21 km/h
Dew Point 23°C
Best Time to Visit
JFMAMJJASOND
Recommended
Hottest Month
28°C
April
Avg Low26°C
Rain26days
Coldest Month
25°C
August
Avg High27°C
Rain22days
Driest Month
22days
August
Avg High27°C
Avg Low25°C
Windiest Month
25 km/h
July (Gusts 37)

Worst Time to Visit

Consider avoiding January, February, March, April due to heavy rainfall, oppressive humidity.

LIVE Current Weather Local Time
LIVE Air Quality
Sun Position
Sunrise 06:50
Daylight 11.3h
Sunset 18:08

Showing the live 14-day forecast for Apia, not a single forecast for all of Samoa.

14-Day Forecast

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City forecasts

14-day forecasts for major cities in Samoa

Weather changes by city, coast, elevation, and region. Use these live previews for populated places in Samoa, then open a city page for the full forecast.

Apia

Population: 40.4K

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Asau

Population: 6.6K

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Mulifanua

Population: 4.5K

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Faleula

Population: 2.6K

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Vaimoso

Population: 2.5K

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Siusega

Population: 2.2K

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Seasonal Breakdown

Spring
Sep–Nov
Avg High 27°C
Avg Low 25°C
Rain 25 days/mo
1/3 best months
Summer
Dec–Feb
Avg High 28°C
Avg Low 26°C
Rain 28 days/mo
Autumn
Mar–May
Avg High 28°C
Avg Low 26°C
Rain 25 days/mo
Winter
Jun–Aug
Avg High 27°C
Avg Low 25°C
Rain 23 days/mo
2/3 best months

Based on historical averages (2016–2025)

Monthly Temperatures

42°C 36°C 30°C 24°C 18°C JanFebMarAprMayJunJulAugSepOctNovDec
HighLowShaded bands show the typical range across the available yearly records.

Monthly Rainfall

0 mm 78 mm 156 mm 234 mm 312 mm 390 mm JanFebMarAprMayJunJulAugSepOctNovDec
Rainfall

Monthly Humidity

0% 25% 50% 75% 100% JanFebMarAprMayJunJulAugSepOctNovDec
Humidity

Monthly Wind Speed

0 10 20 30 40 50 JanFebMarAprMayJunJulAugSepOctNovDec
Wind SpeedGusts

Sunshine

0 3 6 9 12 JanFebMarAprMayJunJulAugSepOctNovDec
Sunshine

Monthly Daylight Hours

14h 12h 10h JanFebMarAprMayJunJulAugSepOctNovDec
Daylight12h reference

Monthly Dew Point & Comfort

28°C 24°C 20°C 16°C 12°C 8°C 4°C 0°C -4°C JanFebMarAprMayJunJulAugSepOctNovDec
Dew Point Dry Comfortable Humid Muggy Oppressive

Month-by-Month Weather Table

January
Wet
Temp
28°C / 26°C
Feels Like
33°C / 30°C
Rain
29days (404 mm) Wet
Sun
9.7h Good
Humidity
84% Humid
View Details
February
Wet
Temp
28°C / 26°C
Feels Like
33°C / 29°C
Rain
27days (459 mm) Wet
Sun
8.5h Good
Humidity
85% Humid
View Details
March
Wet
Temp
28°C / 26°C
Feels Like
34°C / 30°C
Rain
25days (188 mm) Wet
Sun
10.6h Excellent
Humidity
83% Humid
View Details
April
Wet
Temp
28°C / 26°C
Feels Like
33°C / 30°C
Rain
26days (201 mm) Wet
Sun
10.2h Excellent
Humidity
83% Humid
View Details
May
Wet
Temp
28°C / 26°C
Feels Like
32°C / 30°C
Rain
25days (221 mm) Wet
Sun
9.9h Good
Humidity
83% Humid
View Details
June
Wet
Temp
27°C / 26°C
Feels Like
31°C / 28°C
Rain
23days (161 mm) Wet
Sun
10.4h Excellent
Humidity
82% Humid
View Details
July best
Wet
Temp
27°C / 25°C
Feels Like
30°C / 28°C
Rain
24days (187 mm) Wet
Sun
10.3h Excellent
Humidity
82% Humid
View Details
August best
Wet
Temp
27°C / 25°C
Feels Like
30°C / 27°C
Rain
22days (116 mm) Wet
Sun
10.4h Excellent
Humidity
81% Humid
View Details
September best
Wet
Temp
27°C / 25°C
Feels Like
31°C / 27°C
Rain
22days (140 mm) Wet
Sun
11.1h Excellent
Humidity
82% Humid
View Details
October
Wet
Temp
27°C / 25°C
Feels Like
31°C / 28°C
Rain
27days (282 mm) Wet
Sun
10.9h Excellent
Humidity
83% Humid
View Details
November
Wet
Temp
27°C / 25°C
Feels Like
32°C / 29°C
Rain
26days (292 mm) Wet
Sun
10.8h Excellent
Humidity
84% Humid
View Details
December
Wet
Temp
28°C / 26°C
Feels Like
33°C / 29°C
Rain
28days (287 mm) Wet
Sun
11h Excellent
Humidity
83% Humid
View Details
Month Temp Feels Like Rain Sun Humidity Status
January 28°C / 26°C 33°C / 30°C 29days (404 mm) Wet 9.7h Good 84% Humid Wet View Details
February 28°C / 26°C 33°C / 29°C 27days (459 mm) Wet 8.5h Good 85% Humid Wet View Details
March 28°C / 26°C 34°C / 30°C 25days (188 mm) Wet 10.6h Excellent 83% Humid Wet View Details
April 28°C / 26°C 33°C / 30°C 26days (201 mm) Wet 10.2h Excellent 83% Humid Wet View Details
May 28°C / 26°C 32°C / 30°C 25days (221 mm) Wet 9.9h Good 83% Humid Wet View Details
June 27°C / 26°C 31°C / 28°C 23days (161 mm) Wet 10.4h Excellent 82% Humid Wet View Details
July best 27°C / 25°C 30°C / 28°C 24days (187 mm) Wet 10.3h Excellent 82% Humid Wet View Details
August best 27°C / 25°C 30°C / 27°C 22days (116 mm) Wet 10.4h Excellent 81% Humid Wet View Details
September best 27°C / 25°C 31°C / 27°C 22days (140 mm) Wet 11.1h Excellent 82% Humid Wet View Details
October 27°C / 25°C 31°C / 28°C 27days (282 mm) Wet 10.9h Excellent 83% Humid Wet View Details
November 27°C / 25°C 32°C / 29°C 26days (292 mm) Wet 10.8h Excellent 84% Humid Wet View Details
December 28°C / 26°C 33°C / 29°C 28days (287 mm) Wet 11h Excellent 83% Humid Wet View Details

Best Time to Visit Samoa (2026)

Frequently Asked Questions

The best months to visit Samoa are July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Apia, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Samoa is April, with average daytime highs of 28°C (83°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Samoa is August, with average overnight lows of 25°C (77°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Samoa is February, averaging 459mm of precipitation across 27 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Samoa runs through January, December, February, October, with the heaviest rainfall in January. Based on 10-year averages for Apia.
Samoa receives approximately 124 sunshine hours per year. The sunniest month is September with around 11 hours. Based on climate data for Apia.
The least favorable months to visit Samoa are January, February, March, April, primarily due to heavy rainfall, oppressive humidity. For the best conditions, consider July, August, September instead.
Average humidity in Samoa is 83%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Average wind speeds in Samoa are 21 km/h (13 mph). The windiest month is July with peak winds reaching 25 km/h (16 mph) (gusts up to 37 km/h / 23 mph).
Samoa averages 1 clear-sky days per month with overall cloud cover around 62%. The clearest skies occur in August.
The annual average dew point in Samoa is 23°C (73°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Samoa has a Tropical Rainforest climate, classified as Af under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Samoa ranges from 29°C (84°F) to 32°C (90°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
June is not the best time to visit Samoa, with a climate score of 5.4/10. Consider visiting during July, August, September instead for better conditions.
For June in Samoa, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 27°C (81°F) and 23 rainy days, these essentials will keep you comfortable.

Data Source

Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.

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