Weather by month for central American Samoa, the best months to go and how American Samoa's regions differ, scored from 10 years of climate data.
Aug, Sep
The highest month scores: comfortable temperatures, little rain and plenty of sun.
Highs 27°C · 16–17 rain days
Jun, Jul, Oct, Nov
Still good weather, just not quite the top months.
Highs 28°C · 20–23 rain days
Jan, Feb, Mar, Apr, May, Dec
No months with tough weather, but these are only average.
Highs 28°C to 29°C · 24–26 rain days
Weather by month
Average highs and lows, rain days, sunshine and our month score out of 10.
| Month | High / low | Rain days | Sunshine | Score |
|---|---|---|---|---|
| January | 29°C / 27°C | 26 days (316 mm) | 10.3 h/day | 4.7/10 |
| February | 29°C / 26°C | 25 days (410 mm) | 8.9 h/day | 4.8/10 |
| March | 29°C / 27°C | 26 days (232 mm) | 10.4 h/day | 4.7/10 |
| April | 29°C / 27°C | 25 days (293 mm) | 9.6 h/day | 4.7/10 |
| May | 28°C / 27°C | 24 days (234 mm) | 9.8 h/day | 4.8/10 |
| June | 28°C / 26°C | 20 days (181 mm) | 9.9 h/day | 6.0/10 |
| July | 28°C / 26°C | 20 days (131 mm) | 10.2 h/day | 6.3/10 |
| Best month: August | 27°C / 26°C | 16 days (100 mm) | 10.4 h/day | 6.4/10 |
| Best month: September | 27°C / 26°C | 17 days (96 mm) | 11.0 h/day | 6.4/10 |
| October | 28°C / 26°C | 22 days (183 mm) | 10.9 h/day | 6.2/10 |
| November | 28°C / 26°C | 23 days (271 mm) | 10.5 h/day | 6.0/10 |
| December | 28°C / 26°C | 26 days (331 mm) | 10.3 h/day | 4.9/10 |
Figures for central American Samoa; the country's best months are weighted across its cities. Best months are highlighted. How we score months
Month by month
29°C / 27°C · 26 rain days · 10.3 h sun
January is hot and very wet. Highs reach 28.6°C and nights stay warm at 26.6°C. Rain falls on about 25.8 days and brings 316 mm, so expect showers most days, though you still get about 10.3 hours of sun. The month scores 4.7 and rates ok, mainly because of the frequent rain.
29°C / 26°C · 25 rain days · 8.9 h sun
February is the wettest month of the year, with 410 mm of rain over about 24.9 days. Highs sit at 28.5°C with lows of 26.4°C. Sun drops to 8.9 hours a day, the lowest of the year. It scores 4.8 and rates ok, but plan for heavy and frequent rain.
29°C / 27°C · 26 rain days · 10.4 h sun
March stays hot, with highs of 28.7°C and lows of 26.6°C. Rain falls on about 25.5 days, but the total drops to 232 mm. You get around 10.4 hours of sun a day. The month scores 4.7 and rates ok, held back by rain on most days.
29°C / 27°C · 25 rain days · 9.6 h sun
April brings highs of 28.7°C and warm nights at 26.6°C. Rain is still frequent, falling on about 25.2 days with 293 mm in total. Sun averages 9.6 hours a day. It scores 4.7 and rates ok, because showers remain a near-daily part of life.
28°C / 27°C · 24 rain days · 9.8 h sun
May is a little drier, with 234 mm of rain over about 23.7 days. Highs reach 28.4°C and lows sit at 26.6°C. Sun averages 9.8 hours a day. The month scores 4.8 and rates ok, as rain still falls on most days.
28°C / 26°C · 20 rain days · 9.9 h sun
June marks a clear change. Rain days fall to about 19.7 and the total to 181 mm. Highs ease to 28°C with lows of 26.4°C, and you get about 9.9 hours of sun. It scores 6 and rates good, the first good month of the year.
28°C / 26°C · 20 rain days · 10.2 h sun
July is slightly cooler, with highs of 27.5°C and lows of 26°C. Rain drops to 131 mm, though it still falls on about 20.2 days. Sun averages 10.2 hours a day. The month scores 6.3 and rates good.
27°C / 26°C · 16 rain days · 10.4 h sun
August is the driest month for rain days, with about 15.8 and just 100 mm in total. Highs are 27.3°C, the lowest of the year, and lows are 25.8°C. Sun reaches about 10.4 hours a day. It scores 6.4 and rates good, tied for the best score of the year.
27°C / 26°C · 17 rain days · 11.0 h sun
September has the least rain of the year at 96 mm, spread over about 16.7 days. Highs stay at 27.3°C with lows of 25.9°C. It is also the sunniest month, with about 11 hours of sun a day. It scores 6.4 and rates good, tied with August as the top month.
28°C / 26°C · 22 rain days · 10.9 h sun
October remains good, scoring 6.2. Rain starts to build again, with about 21.6 rain days and 183 mm. Highs reach 27.6°C and lows 26°C. Sun is still strong at about 10.9 hours a day.
28°C / 26°C · 23 rain days · 10.5 h sun
November is getting wetter, with 271 mm of rain over about 23.1 days. Highs climb to 28°C and lows sit at 26.1°C. Sun averages 10.5 hours a day. It scores 6 and rates good, the last good month before the heavier rain returns.
28°C / 26°C · 26 rain days · 10.3 h sun
December is hot and very wet. Rain falls on about 25.7 days and totals 331 mm. Highs reach 28.3°C with lows of 26.3°C, and you still get about 10.3 hours of sun. It scores 4.9 and rates ok, mainly because of the frequent rain.
By trip type
City sightseeing
August and September suit town visits best. They are the driest months, with about 100 mm and 96 mm of rain, compared with 410 mm in February. Highs of 27.3°C are also the coolest of the year.
Hiking & nature
August and September are the best months for hiking. Rain falls on about 16 to 17 days, compared with 25.8 in January, so trails tend to be drier. September also has the most sun, with 11 hours a day.
Keep planning
FAQ
August and September are the best months to visit American Samoa. They are the driest months of the year, with about 100 mm of rain in August and 96 mm in September. Rain falls on about 16 to 17 days, compared with around 25 days in the wettest months. September also has the most sunshine, at 11 hours. Both months score 6.4, the highest of the year.
February is an okay time to visit, but it is the wettest month. It gets about 410 mm of rain, with rain on about 25 days. It also has the least sunshine of the year, at 8.9 hours. It stays warm, with highs of 28.5°C and lows of 26.4°C. That suits travellers who don't mind frequent showers. The month scores 4.8.
Yes, June is a good month and the start of the better part of the year. Rainfall drops to about 181 mm, down from 234 mm in May. Rain days fall to about 20. Highs are around 28°C and you get about 9.9 hours of sunshine. June scores 6, and conditions get drier still through July, August and September.
Yes, it is warm all year, and temperatures barely change. Average highs stay between 27.3°C and 28.7°C in every month. Lows stay between 25.8°C and 26.6°C, so nights are almost as warm as days. Temperature is not what separates the months. Rain is: it ranges from about 96 mm in September to 410 mm in February.
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