American Samoa weather by month

Check out American Samoa weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

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
Heat & Humidity	H	H	H	H	H	H	M	M	H	H	H	H
Sea temperature	29	29	29	29	29	28	28	27	28	28	28	29

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

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
UV Index (Maximum)	11	11	11	11	9	8	8	10	11	11	11	11

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 about American Samoa

American Samoa by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for American Samoa, represented by Pago Pago, (Pago Pago) 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.

American Samoa weather in January

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in American Samoa in January based on long-term weather averages. There is usually 18 days with some rainfall and 394 mm of average monthly rainfall in January.

30
30°C max day temperature
6
6 hours of sunshine per day
18
18 days with some rainfall
24
24°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
394
394 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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American Samoa weather in February

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in American Samoa in February based on long-term weather averages. There is usually 16 days with some rainfall and 308 mm of average monthly rainfall in February.

30
30°C max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
24
24°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
308
308 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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American Samoa weather in March

Expect 30°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in American Samoa in March based on long-term weather averages. There is usually 18 days with some rainfall and 319 mm of average monthly rainfall in March.

30
30°C max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
24
24°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
319
319 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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American Samoa weather in April

Expect 30°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in American Samoa in April based on long-term weather averages. There is usually 12 days with some rainfall and 249 mm of average monthly rainfall in April.

30
30°C max day temperature
4
4 hours of sunshine per day
12
12 days with some rainfall
24
24°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
249
249 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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American Samoa weather in May

Expect 29°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in American Samoa in May based on long-term weather averages. There is usually 9 days with some rainfall and 198 mm of average monthly rainfall in May.

29
29°C max day temperature
4
4 hours of sunshine per day
9
9 days with some rainfall
24
24°C min night temperature
11
11 hours of daylight per day
H
High heat & humidity
198
198 mm of monthly rainfall
9
9 (Very High) UV index
29
29°C sea temperature

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American Samoa weather in June

Expect 29°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in American Samoa in June based on long-term weather averages. There is usually 5 days with some rainfall and 159 mm of average monthly rainfall in June.

29
29°C max day temperature
4
4 hours of sunshine per day
5
5 days with some rainfall
23
23°C min night temperature
11
11 hours of daylight per day
H
High heat & humidity
159
159 mm of monthly rainfall
8
8 (Very High) UV index
28
28°C sea temperature

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American Samoa weather in July

Expect 29°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in American Samoa in July based on long-term weather averages. There is usually 5 days with some rainfall and 124 mm of average monthly rainfall in July.

29
29°C max day temperature
5
5 hours of sunshine per day
5
5 days with some rainfall
23
23°C min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
124
124 mm of monthly rainfall
8
8 (Very High) UV index
28
28°C sea temperature

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American Samoa weather in August

Expect 28°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in American Samoa in August based on long-term weather averages. There is usually 3 days with some rainfall and 146 mm of average monthly rainfall in August.

28
28°C max day temperature
5
5 hours of sunshine per day
3
3 days with some rainfall
23
23°C min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
146
146 mm of monthly rainfall
10
10 (Very High) UV index
27
27°C sea temperature

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American Samoa weather in September

Expect 29°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in American Samoa in September based on long-term weather averages. There is usually 5 days with some rainfall and 174 mm of average monthly rainfall in September.

29
29°C max day temperature
6
6 hours of sunshine per day
5
5 days with some rainfall
23
23°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
174
174 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

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American Samoa weather in October

Expect 29°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in American Samoa in October based on long-term weather averages. There is usually 5 days with some rainfall and 233 mm of average monthly rainfall in October.

29
29°C max day temperature
5
5 hours of sunshine per day
5
5 days with some rainfall
23
23°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
233
233 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

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American Samoa weather in November

Expect 30°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in American Samoa in November based on long-term weather averages. There is usually 6 days with some rainfall and 252 mm of average monthly rainfall in November.

30
30°C max day temperature
5
5 hours of sunshine per day
6
6 days with some rainfall
24
24°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
252
252 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

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American Samoa weather in December

Expect 30°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in American Samoa in December based on long-term weather averages. There is usually 11 days with some rainfall and 341 mm of average monthly rainfall in December.

30
30°C max day temperature
5
5 hours of sunshine per day
11
11 days with some rainfall
24
24°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
341
341 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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