Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
December verdict
American Samoa in December
Weather score59Good
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 246mm, so showers are a real planning factor.
December weather
Monthly averages
Temp
30°C
Rain
246mm
Sun
0h
Sea
29°C
Weather score
59
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 246mm, so showers are a real planning factor.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare American Samoa with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December30°C average high
December is close to American Samoa's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
December246mm average rain
December is one of American Samoa's wettest months, so rain is likely to be a major planning factor.
Driest monthsJune to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December0 hours average sun
December is close to American Samoa's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
December29°C average sea
December sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJanuary to June and November to December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
December59 weather score
December scores below American Samoa's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to October
These months have the strongest weather score in the monthly averages.