American Samoa climate guide

Get the latest coronavirus (Covid-19) updates for American Samoa with current travel advice and statistics on new cases per 100,000 and vaccine.

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in American Samoa (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	30	30	30	30	29	29	29	28	29	29	30	30
Min temperature (night-time)	24	24	24	24	24	23	23	23	23	23	24	24
Sea temperature	29	29	29	29	29	28	28	27	28	28	28	29

Sunshine & Daylight in American Samoa

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	6	6	5	4	4	4	5	5	6	5	5	5
Daily hours of daylight	13	13	12	12	11	11	11	12	12	12	13	13

Rainfall in American Samoa

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	18	16	18	12	9	5	5	3	5	5	6	11
Average monthly rainfall (mm)	394	308	319	249	198	159	124	146	174	233	252	341

More climate for American Samoa

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV Index (Maximum)	11	11	11	11	9	8	8	10	11	11	11	11
Heat & Humidity	H	H	H	H	H	H	M	M	H	H	H	H

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

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The climate guide for American Samoa shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)