Swains, Swains Island, American Samoa Climate

Weather: 29.99°C/85.98°F, Wind SW at 5.93 km/h, 73% Humidity, 0% Chance of rain

American Samoa
(Photo by Kawshar Ahmed on Unsplash)

Swains Climate Summary

Located at an elevation of 0 meters (0.0 feet) above sea level, Swains has a Tropical climate (wet, dry season) climate (Classification: AW). The district’s yearly temperature is 29.76ºC (85.57ºF) and it is 1.76% higher than American Samoa’s averages. Swains typically receives about 183.36 millimeters (7.22 inches) of precipitation and has 256.69 rainy days (70.33% of the time) annually.

CountryAmerican Samoa
CitySwains Island
Longitude-171.0782253
Latitude-11.0552207
Attitude/Elevation0m (0.0ft)
Local timeFriday 03:20
Annual high temperature30.0ºC (86.0ºF)
Annual low temperature28.77ºC (83.79ºF)
Average annual precip.183.36mm (7.22in)
Warmest monthApril (30.38ºC / 86.68ºF)
Coldest MonthAugust (28.31ºC / 82.96ºF)
Wettest MonthFebruary (343.33mm / 13.52in)
Driest MonthApril (115.57mm / 4.55in)
Number of days with rainfall (≥ 1.0 mm)256.69 days (70.33%)
Days with no rain108.31 days (29.67%)
Humidity78.64%

Climate Swains: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)31.29(88.32)35.47(95.85)31.29(88.32)32.34(90.21)31.29(88.32)31.29(88.32)31.29(88.32)30.25(86.45)30.25(86.45)31.29(88.32)31.29(88.32)31.29(88.32)35.47(95.85)
Average high °C (°F)30.18(86.32)30.06(86.11)30.25(86.45)30.38(86.68)30.33(86.59)30.1(86.18)29.78(85.6)29.57(85.23)29.63(85.33)29.73(85.51)29.95(85.91)30.01(86.02)30.0(86.0)
Daily mean °C (°F)29.9(85.82)29.75(85.55)30.02(86.04)30.19(86.34)30.16(86.29)29.92(85.86)29.49(85.08)29.34(84.81)29.39(84.9)29.48(85.06)29.69(85.44)29.75(85.55)29.76(85.57)
Average low °C (°F)28.84(83.91)28.7(83.66)29.15(84.47)29.4(84.92)29.21(84.58)28.91(84.04)28.58(83.44)28.31(82.96)28.37(83.07)28.41(83.14)28.63(83.53)28.72(83.7)28.77(83.79)
Record low °C (°F)21.91(71.44)9.39(48.9)22.95(73.31)22.95(73.31)21.91(71.44)21.91(71.44)21.91(71.44)21.91(71.44)21.91(71.44)21.91(71.44)21.91(71.44)20.86(69.55)9.39(48.9)
Average precipitation mm (inches)297.78(11.72)343.33(13.52)161.52(6.36)115.57(4.55)136.26(5.36)154.07(6.07)155.23(6.11)150.96(5.94)146.22(5.76)170.56(6.71)157.12(6.19)211.74(8.34)183.37(7.22)
Average precipitation days (≥ 1.0 mm)24.0924.0923.920.1921.8120.119.3520.6720.9620.2919.3521.9121.39
Average relative humidity (%)78.3379.5578.3678.1578.679.4279.4579.5379.1378.3877.1677.6978.64
Mean monthly sunshine hours10.5610.1710.8810.9710.9810.9310.9610.8210.9711.8512.5311.9111.13

Climate Graph

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

Swains

Swains Temperature by Month

April
30.19°C | 86.34°F
May
30.16°C | 86.29°F
March
30.02°C | 86.04°F
June
29.92°C | 85.86°F
January
29.9°C | 85.82°F
February
29.75°C | 85.55°F
December
29.75°C | 85.55°F
November
29.69°C | 85.44°F
July
29.49°C | 85.08°F
October
29.48°C | 85.06°F
September
29.39°C | 84.9°F
August
29.34°C | 84.81°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 Temperature30.25°C (86.45°F)30.22°C (86.4°F)29.21°C (84.58°F)
Avg Temperature30.25°C (86.45°F)30.05°C (86.09°F)29.21°C (84.58°F)
Min Temperature30.25°C (86.45°F)29.65°C (85.37°F)28.16°C (82.69°F)
Dew PointMaxAverageMin
Dew Point26.08°C (78.94°F)24.86°C (76.75°F)22.95°C (73.31°F)
PrecipitationMaxAverageMinSum
Precipitation21.07mm | 0.83in2.5mm | 0.1in0.0mm | 0in77.46mm | 3.05in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind32.34kmh | 20.1mph21.16kmh | 13.15mph10.43kmh | 6.48mph
Gust Wind44.85kmh | 27.87mph29.27kmh | 18.19mph14.6kmh | 9.07mph
Sea Level PressureMaxAverageMin
Sea Level Pressure21.07mb2.5mb0.0mb
Swains

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
October° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-10-0129.21 | 84.5823.99 | 75.187623.99 | 14.9131.14 | 1054.570.0 | 0
2018-10-0230.25 | 86.4525.03 | 77.057831.29 | 19.4431.14 | 1054.570.31 | 0.01
2018-10-0329.21 | 84.5826.08 | 78.948028.16 | 17.531.17 | 1055.624.8 | 0.19
2018-10-0429.21 | 84.5826.08 | 78.948021.91 | 13.6131.17 | 1055.621.77 | 0.07
2018-10-0530.25 | 86.4526.08 | 78.948022.95 | 14.2631.17 | 1055.622.09 | 0.08
2018-10-0630.25 | 86.4526.08 | 78.947923.99 | 14.9131.14 | 1054.570.1 | 0.0
2018-10-0729.21 | 84.5825.03 | 77.057718.78 | 11.6731.11 | 1053.5321.07 | 0.83
2018-10-0830.25 | 86.4525.03 | 77.057410.43 | 6.4831.11 | 1053.531.46 | 0.06
2018-10-0930.25 | 86.4525.03 | 77.057714.6 | 9.0731.14 | 1054.5712.73 | 0.5
2018-10-1030.25 | 86.4525.03 | 77.057615.65 | 9.7231.14 | 1054.573.02 | 0.12
2018-10-1130.25 | 86.4525.03 | 77.057622.95 | 14.2631.17 | 1055.623.55 | 0.14
2018-10-1230.25 | 86.4525.03 | 77.057729.21 | 18.1531.14 | 1054.570.1 | 0.0
2018-10-1330.25 | 86.4526.08 | 78.947826.08 | 16.2131.17 | 1055.626.88 | 0.27
2018-10-1430.25 | 86.4525.03 | 77.057727.12 | 16.8531.17 | 1055.620.42 | 0.02
2018-10-1530.25 | 86.4525.03 | 77.057732.34 | 20.131.14 | 1054.570.83 | 0.03
2018-10-1630.25 | 86.4525.03 | 77.057630.25 | 18.831.11 | 1053.530.0 | 0
2018-10-1729.21 | 84.5825.03 | 77.057626.08 | 16.2131.14 | 1054.570.1 | 0.0
2018-10-1830.25 | 86.4525.03 | 77.057625.03 | 15.5531.14 | 1054.570.1 | 0.0
2018-10-1929.21 | 84.5825.03 | 77.057925.03 | 15.5531.11 | 1053.532.29 | 0.09
2018-10-2030.25 | 86.4523.99 | 75.187313.56 | 8.4331.08 | 1052.490.0 | 0
2018-10-2130.25 | 86.4523.99 | 75.187117.73 | 11.0231.08 | 1052.499.28 | 0.37
2018-10-2230.25 | 86.4525.03 | 77.057320.86 | 12.9631.08 | 1052.490.21 | 0.01
2018-10-2330.25 | 86.4525.03 | 77.057522.95 | 14.2631.11 | 1053.530.0 | 0
2018-10-2430.25 | 86.4525.03 | 77.057516.69 | 10.3731.11 | 1053.530.73 | 0.03
2018-10-2530.25 | 86.4525.03 | 77.057413.56 | 8.4331.11 | 1053.530.42 | 0.02
2018-10-2630.25 | 86.4523.99 | 75.187319.82 | 12.3231.11 | 1053.530.1 | 0.0
2018-10-2730.25 | 86.4522.95 | 73.316614.6 | 9.0731.11 | 1053.530.0 | 0
2018-10-2830.25 | 86.4523.99 | 75.187115.65 | 9.7231.14 | 1054.570.1 | 0.0
2018-10-2930.25 | 86.4525.03 | 77.057415.65 | 9.7231.17 | 1055.624.9 | 0.19
2018-10-3030.25 | 86.4522.95 | 73.316611.47 | 7.1331.2 | 1056.660.0 | 0
2018-10-3130.25 | 86.4523.99 | 75.187217.73 | 11.0231.2 | 1056.660.1 | 0.0

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