Swains Island, American Samoa Climate

Weather: 29.69°C/85.44°F, Wind SW at 5.74 km/h, 75% Humidity, 0% Chance of rain

American Samoa
(Photo by Kawshar Ahmed on Unsplash)
Contents

Swains Island Climate Summary

Located at an elevation of 0 meters (0.0 feet) above sea level, Swains Island has a Tropical climate (wet, dry season) climate (Classification: AW). The city’s yearly temperature is 28.53ºC (83.35ºF) and it is 0.53% higher than American Samoa’s averages. Swains Island typically receives about 175.79 millimeters (6.92 inches) of precipitation and has 246.09 rainy days (67.42% of the time) annually.

CountryAmerican Samoa
Longitude-171.0782253
Latitude-11.0552207
Attitude/Elevation0m (0.0ft)
Local timeThursday 17:51
Annual high temperature28.76ºC (83.77ºF)
Annual low temperature27.58ºC (81.64ºF)
Average annual precip.175.79mm (6.92in)
Warmest monthApril (29.12ºC / 84.42ºF)
Coldest MonthAugust (27.14ºC / 80.85ºF)
Wettest MonthFebruary (329.14mm / 12.96in)
Driest MonthApril (110.79mm / 4.36in)
Number of days with rainfall (≥ 1.0 mm)246.09 days (67.42%)
Days with no rain118.91 days (32.58%)
Humidity75.39%

Climate Swains Island: Monthly Averages

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)30.0(86.0)34.0(93.2)30.0(86.0)31.0(87.8)30.0(86.0)30.0(86.0)30.0(86.0)29.0(84.2)29.0(84.2)30.0(86.0)30.0(86.0)30.0(86.0)34.0(93.2)
Average high °C (°F)28.93(84.07)28.82(83.88)29.0(84.2)29.12(84.42)29.08(84.34)28.86(83.95)28.55(83.39)28.35(83.03)28.41(83.14)28.5(83.3)28.71(83.68)28.77(83.79)28.76(83.77)
Daily mean °C (°F)28.66(83.59)28.52(83.34)28.78(83.8)28.94(84.09)28.91(84.04)28.68(83.62)28.27(82.89)28.13(82.63)28.18(82.72)28.26(82.87)28.46(83.23)28.52(83.34)28.53(83.35)
Average low °C (°F)27.65(81.77)27.51(81.52)27.95(82.31)28.19(82.74)28.0(82.4)27.72(81.9)27.4(81.32)27.14(80.85)27.2(80.96)27.24(81.03)27.45(81.41)27.53(81.55)27.58(81.64)
Record low °C (°F)21.0(69.8)9.0(48.2)22.0(71.6)22.0(71.6)21.0(69.8)21.0(69.8)21.0(69.8)21.0(69.8)21.0(69.8)21.0(69.8)21.0(69.8)20.0(68.0)9.0(48.2)
Average precipitation mm (inches)285.48(11.24)329.14(12.96)154.85(6.1)110.79(4.36)130.63(5.14)147.7(5.81)148.82(5.86)144.72(5.7)140.18(5.52)163.51(6.44)150.63(5.93)202.99(7.99)175.79(6.92)
Average precipitation days (≥ 1.0 mm)23.0923.0922.9119.3620.9119.2718.5519.8220.0919.4518.5521.020.51
Average relative humidity (%)75.0976.2675.1274.9275.3576.1476.1776.2475.8675.1473.9774.4875.39
Mean monthly sunshine hours10.129.7510.4310.5210.5310.4810.5110.3710.5211.3612.0111.4210.67

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Swains Island in recent years.

Swains Island

Swains Island Temperature by Month

April
28.94°C | 84.09°F
May
28.91°C | 84.04°F
March
28.78°C | 83.8°F
June
28.68°C | 83.62°F
January
28.66°C | 83.59°F
February
28.52°C | 83.34°F
December
28.52°C | 83.34°F
November
28.46°C | 83.23°F
July
28.27°C | 82.89°F
October
28.26°C | 82.87°F
September
28.18°C | 82.72°F
August
28.13°C | 82.63°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature29.0°C (84.2°F)28.67°C (83.61°F)28.0°C (82.4°F)
Avg Temperature29.0°C (84.2°F)28.27°C (82.89°F)28.0°C (82.4°F)
Min Temperature29.0°C (84.2°F)28.0°C (82.4°F)27.0°C (80.6°F)
Dew PointMaxAverageMin
Dew Point24.0°C (75.2°F)23.6°C (74.48°F)22.0°C (71.6°F)
PrecipitationMaxAverageMinSum
Precipitation18.3mm | 0.72in3.03mm | 0.12in0.0mm | 0in91.0mm | 3.58in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind35.0kmh | 21.75mph22.53kmh | 14.0mph5.0kmh | 3.11mph
Gust Wind49.0kmh | 30.45mph31.13kmh | 19.34mph8.0kmh | 4.97mph
Sea Level PressureMaxAverageMin
Sea Level Pressure18.3mb3.03mb0.0mb
Swains Island

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
September° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-09-0129 | 84.224 | 75.27832 | 19.8829.83 | 10100.0 | 0.0
2018-09-0228 | 82.424 | 75.27833 | 20.5129.83 | 10101.7 | 0.07
2018-09-0329 | 84.224 | 75.27729 | 18.0229.83 | 10100.3 | 0.01
2018-09-0428 | 82.424 | 75.27732 | 19.8829.83 | 10102.1 | 0.08
2018-09-0528 | 82.424 | 75.27731 | 19.2629.83 | 10100.5 | 0.02
2018-09-0628 | 82.424 | 75.27624 | 14.9129.8 | 10090.2 | 0.01
2018-09-0728 | 82.423 | 73.47316 | 9.9429.83 | 10100.0 | 0.0
2018-09-0828 | 82.422 | 71.66715 | 9.3229.83 | 10100.0 | 0.0
2018-09-0928 | 82.423 | 73.47416 | 9.9429.83 | 10101.8 | 0.07
2018-09-1028 | 82.424 | 75.27721 | 13.0529.83 | 10101.7 | 0.07
2018-09-1128 | 82.424 | 75.27925 | 15.5329.83 | 10101.6 | 0.06
2018-09-1228 | 82.423 | 73.47618 | 11.1829.88 | 10129.7 | 0.38
2018-09-1328 | 82.423 | 73.47621 | 13.0529.85 | 10112.7 | 0.11
2018-09-1429 | 84.224 | 75.27531 | 19.2629.83 | 10100.3 | 0.01
2018-09-1529 | 84.224 | 75.27735 | 21.7529.83 | 10100.8 | 0.03
2018-09-1629 | 84.224 | 75.27735 | 21.7529.83 | 10104.3 | 0.17
2018-09-1728 | 82.424 | 75.28027 | 16.7829.8 | 10094.8 | 0.19
2018-09-1828 | 82.424 | 75.27817 | 10.5629.8 | 10095.4 | 0.21
2018-09-1928 | 82.422 | 71.6727 | 4.3529.8 | 10092.0 | 0.08
2018-09-2028 | 82.424 | 75.27717 | 10.5629.8 | 10094.7 | 0.19
2018-09-2128 | 82.423 | 73.47412 | 7.4629.83 | 10102.5 | 0.1
2018-09-2228 | 82.422 | 71.6705 | 3.1129.83 | 10100.1 | 0.0
2018-09-2329 | 84.223 | 73.47011 | 6.8429.83 | 10100.0 | 0.0
2018-09-2428 | 82.424 | 75.27820 | 12.4329.8 | 10097.5 | 0.3
2018-09-2528 | 82.424 | 75.27925 | 15.5329.8 | 10097.1 | 0.28
2018-09-2629 | 84.224 | 75.27827 | 16.7829.83 | 10105.1 | 0.2
2018-09-2728 | 82.424 | 75.27620 | 12.4329.85 | 101118.3 | 0.72
2018-09-2828 | 82.424 | 75.27928 | 17.429.85 | 10115.7 | 0.22
2018-09-2929 | 84.224 | 75.27726 | 16.1629.85 | 10110.1 | 0.0
2018-09-3028 | 82.424 | 75.27520 | 12.4329.85 | 10110.0 | 0.0

Swains Island 10 Year Historical Weather Data

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