Utulei Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Utulei.
Climate overview of Utulei
Utulei, American Samoa, enjoys a steady climate throughout the year, with daytime temperatures typically around 29°C (84°F). March is the warmest month at 30°C (86°F), while August is the coolest at 28°C (82°F).
With around 2652 mm (104 in) of annual rainfall, Utulei has a notably wet climate. However, this rainfall is not evenly distributed, the city has a distinct rainy season from October to May. The wettest month is January. The sunniest month is September, with 6.6 hours of sunshine per day on average.
Utulei Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Utulei - and find the best time to visit.
Monthly Temperature in Utulei
The temperature in Utulei remains steady throughout the year, providing a consistently comfortable climate. Average daytime temperatures reach a comfortable 30°C (86°F) in March. In August, the coolest month of the year, temperatures drop to a comfortable 28°C (82°F).
At night, temperatures range from around 26°C (79°F) in March to 26°C (79°F) in August.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Utulei
Utulei has a relatively rainy climate with high precipitation levels, averaging 2652 mm (104 in) of rainfall annually. Utulei can be quite wet during January, receiving approximately 368 mm (14 in) of precipitation over 16 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 104 mm (4.1 in) of precipitation spread across 17 rainy days. For more details, please visit our Utulei Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Utulei
Utulei can be enjoyed more throughout the sunniest month of September under a blue sky, with approximately 6.6 hours of sunshine daily. In contrast, the city experiences much darker days in June, with only 3.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Utulei
The mean water temperature over the year ranges from 27°C (81°F) in July to 29°C (84°F) in January.
Water temperature over the year
Humidity in Utulei by Month
The city experiences its highest humidity in April, reaching 84%. In August, the humidity drops to its lowest level at 79%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Utulei
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: all year round
- Most sunshine: September
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
- Seasonal pattern: A distinct rainy season from October to May
Frequently asked questions about the climate in Utulei
What is the best time to visit Utulei?
June, July, August and September typically offer the most optimal weather in Utulei. In contrast, January, February, March, April and December tend to have less optimal conditions. Utulei has a distinct rainy season from October to May.
What temperatures can I expect in Utulei?
Daytime highs range from 28°C (82°F) in August to 30°C (86°F) in March. Nighttime lows range from 26°C (79°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Utulei get?
Annual rainfall is around 2652 mm (104 in). January is the wettest month with 368 mm (14 in), while August is the driest with 104 mm (4.1 in).
How sunny is Utulei?
Utulei receives around 1,870 hours of sunshine per year. September is the sunniest month with 199 hours, while June is the cloudiest with just 112 hours.
Utulei 3-Day Forecast
Utulei on the map
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Popular this month
Where to go in August - average daytime high across popular destinations.
