Vailoa, Samoa experiences average highs of 28°C (82°F) and lows of 25°C (77°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 cooled by 0.6°C (1.1°F) across the available records.
Vailoa, Samoa Weather & Climate 2026
Monthly climate averages for Vailoa, Samoa. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Sep 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.8/10
Best: June, July, August, September
UV Index
8
High
Temperature 28°C / 25°C
Feels Like 34°C / 29°C
Rainy Days 25
Rainfall 226 mm
Sunshine 10 h
Humidity 86%
Wind Speed 16 km/h
Dew Point 24°C
Hottest Month
29°C
March
Avg Low25°C
Rain27days
Coldest Month
24°C
August
Avg High28°C
Rain22days
Driest Month
22days
July
Avg High27°C
Avg Low24°C
Windiest Month
19 km/h
July (Gusts 37)
Sea Temperature
28°C – 30°C
Warmest water: April (
30.2°C
)
Worst Time to Visit
Consider avoiding January, March, April, December due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 06:52
Daylight 11.3h
Sunset 18:11
Live conditions—
Vailoa on the map · live conditions
Vailoa, Samoa
- Continent
- Oceania
- Country
- Samoa
- City
- Vailoa
- Population
- 769
- Coordinates
- -13.76°, -172.31°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 28°C
Avg Low 24°C
Rain 25 days/mo
1/3 best months
Summer
Dec–Feb
Avg High 29°C
Avg Low 25°C
Rain 28 days/mo
Autumn
Mar–May
Avg High 29°C
Avg Low 25°C
Rain 26 days/mo
Winter
Jun–Aug
Avg High 28°C
Avg Low 24°C
Rain 22 days/mo
3/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 29°C / 25°C . Feb: 29°C / 25°C . Mar: 29°C / 25°C . Apr: 29°C / 25°C . May: 28°C / 25°C . Jun: 28°C / 25°C . Jul: 27°C / 24°C . Aug: 28°C / 24°C . Sep: 28°C / 24°C . Oct: 28°C / 24°C . Nov: 29°C / 25°C . Dec: 29°C / 25°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 370 mm. Feb: 453 mm. Mar: 177 mm. Apr: 228 mm. May: 191 mm. Jun: 112 mm. Jul: 151 mm. Aug: 112 mm. Sep: 108 mm. Oct: 220 mm. Nov: 262 mm. Dec: 331 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 86%. Feb: 87%. Mar: 85%. Apr: 86%. May: 87%. Jun: 87%. Jul: 87%. Aug: 86%. Sep: 86%. Oct: 87%. Nov: 86%. Dec: 86%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 17 km/h . Mar: 12 km/h . Apr: 14 km/h . May: 16 km/h . Jun: 18 km/h . Jul: 19 km/h . Aug: 18 km/h . Sep: 18 km/h . Oct: 18 km/h . Nov: 14 km/h . Dec: 14 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 8h. Mar: 10h. Apr: 10h. May: 10h. Jun: 10h. Jul: 10h. Aug: 10h. Sep: 11h. Oct: 11h. Nov: 10h. Dec: 10h.
Sea Temperature
Sea Temperature
Line chart showing monthly sea temperature. Jan: 30°C . Feb: 30°C . Mar: 30°C . Apr: 30°C . May: 30°C . Jun: 29°C . Jul: 29°C . Aug: 28°C . Sep: 28°C . Oct: 29°C . Nov: 29°C . Dec: 30°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 7. Mar: UV 9. Apr: UV 8. May: UV 6. Jun: UV 6. Jul: UV 6. Aug: UV 7. Sep: UV 8. Oct: UV 9. Nov: UV 9. Dec: UV 9.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Climate Trends
Average highs have cooled by 0.6°C (1.1°F) across the available records. Average rainfall is trending wetter by about 72 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Mar 2025 · 29°C | Mar · 29°C |
| Coldest month | Sep 2025 · 24°C | Aug · 24°C |
| Wettest month | Feb 2025 · 543 mm | Feb · 453 mm |
| Windiest month | Sep 2025 · 20 km/h | Jul · 19 km/h |
Month-by-Month Weather Table
January
Wet 
February
Wet March
Wet April
Wet May
Wet June best
Wet July best
Wet August best
Wet September best
Wet October
Wet November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 29°C / 25°C | 35°C / 30°C | 29days (370 mm) Wet | 9.6h Good | 86% Very Muggy | 8.3 Very High | Wet | View Details |
| February | 29°C / 25°C | 35°C / 29°C | 26days (453 mm) Wet | 8.1h Good | 87% Very Muggy | 7.3 Very High | Wet | View Details |
| March | 29°C / 25°C | 36°C / 30°C | 27days (177 mm) Wet | 10.3h Excellent | 85% Humid | 9 Very High | Wet | View Details |
| April | 29°C / 25°C | 35°C / 30°C | 26days (228 mm) Wet | 9.7h Good | 86% Very Muggy | 7.8 Very High | Wet | View Details |
| May | 28°C / 25°C | 34°C / 29°C | 25days (191 mm) Wet | 9.6h Good | 87% Very Muggy | 6.3 High | Wet | View Details |
| June best | 28°C / 25°C | 32°C / 28°C | 23days (112 mm) Wet | 9.8h Good | 87% Very Muggy | 6 High | Wet | View Details |
| July best | 27°C / 24°C | 31°C / 27°C | 22days (151 mm) Wet | 9.9h Good | 87% Very Muggy | 6.2 High | Wet | View Details |
| August best | 28°C / 24°C | 32°C / 27°C | 22days (112 mm) Wet | 10.3h Excellent | 86% Very Muggy | 7 High | Wet | View Details |
| September best | 28°C / 24°C | 33°C / 27°C | 22days (108 mm) Wet | 10.8h Excellent | 86% Very Muggy | 8.2 Very High | Wet | View Details |
| October | 28°C / 24°C | 33°C / 28°C | 27days (220 mm) Wet | 10.6h Excellent | 87% Very Muggy | 8.5 Very High | Wet | View Details |
| November | 29°C / 25°C | 35°C / 29°C | 27days (262 mm) Wet | 10.4h Excellent | 86% Very Muggy | 8.6 Very High | Wet | View Details |
| December | 29°C / 25°C | 35°C / 29°C | 29days (331 mm) Wet | 9.9h Good | 86% Very Muggy | 8.9 Very High | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Vailoa are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Vailoa, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Vailoa is March, with average daytime highs of 29°C (84°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Vailoa is August, with average overnight lows of 24°C (75°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Vailoa is February, averaging 453mm of precipitation across 26 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Vailoa runs through January, December, March, October, with the heaviest rainfall in January. Based on 10-year averages for Vailoa.
Vailoa receives approximately 119 sunshine hours per year. The sunniest month is September with around 11 hours. Based on climate data for Vailoa.
The least favorable months to visit Vailoa are January, March, April, December, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Vailoa is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Vailoa is 86%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Yes — sea temperatures in January, February, March, April, May, June, July, August, September, October, November, December average 29°C (84°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Vailoa are 16 km/h (10 mph). The windiest month is July with peak winds reaching 19 km/h (11 mph) (gusts up to 37 km/h / 23 mph).
Vailoa averages 0 clear-sky days per month with overall cloud cover around 69%. The clearest skies occur in September.
The annual average dew point in Vailoa is 24°C (75°F), which feels oppressively humid. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Vailoa 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 Vailoa ranges from 29°C (84°F) to 34°C (93°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 Vailoa, with a climate score of 5.8/10. Consider visiting during June, July, August, September instead for better conditions.
For June in Vailoa, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 28°C (82°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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