Rose Island, American Samoa Climate

Weather: 29.29°C/84.72°F, Wind SW at 7.3 km/h, 75% Humidity, 0.37% Chance of rain

American Samoa
(Photo by Thea Hdc on Unsplash)

Rose Island Climate Summary

Located at an elevation of -13.88 meters (-45.54 feet) above sea level, Rose Island has a Tropical climate (wet, dry season) climate (Classification: AW). The city’s yearly temperature is 27.87ºC (82.17ºF) and it is -0.13% lower than American Samoa’s averages. Rose Island typically receives about 113.76 millimeters (4.48 inches) of precipitation and has 214.54 rainy days (58.78% of the time) annually.

CountryAmerican Samoa
Longitude-168.1535928
Latitude-14.5456814
Attitude/Elevation-13.88m (-45.54ft)
Local timeFriday 19:47
Annual high temperature28.12ºC (82.62ºF)
Annual low temperature26.93ºC (80.47ºF)
Average annual precip.113.76mm (4.48in)
Warmest monthMarch (28.92ºC / 84.06ºF)
Coldest MonthAugust (26.09ºC / 78.96ºF)
Wettest MonthFebruary (202.48mm / 7.97in)
Driest MonthSeptember (53.82mm / 2.12in)
Number of days with rainfall (≥ 1.0 mm)214.54 days (58.78%)
Days with no rain150.46 days (41.22%)
Humidity76.61%

Climate Rose Island: Monthly Averages

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)30.0(86.0)30.0(86.0)31.0(87.8)30.0(86.0)30.0(86.0)29.0(84.2)29.0(84.2)28.0(82.4)29.0(84.2)29.0(84.2)30.0(86.0)30.0(86.0)31.0(87.8)
Average high °C (°F)28.68(83.62)28.67(83.61)28.92(84.06)28.82(83.88)28.43(83.17)27.9(82.22)27.38(81.28)27.16(80.89)27.35(81.23)27.74(81.93)28.07(82.53)28.33(82.99)28.12(82.62)
Daily mean °C (°F)28.37(83.07)28.37(83.07)28.63(83.53)28.56(83.41)28.21(82.78)27.7(81.86)27.14(80.85)26.97(80.55)27.16(80.89)27.5(81.5)27.81(82.06)28.04(82.47)27.87(82.17)
Average low °C (°F)27.41(81.34)27.41(81.34)27.8(82.04)27.74(81.93)27.28(81.1)26.72(80.1)26.1(78.98)26.09(78.96)26.21(79.18)26.45(79.61)26.88(80.38)27.07(80.73)26.93(80.47)
Record low °C (°F)20.0(68.0)18.0(64.4)21.0(69.8)20.0(68.0)20.0(68.0)19.0(66.2)19.0(66.2)19.0(66.2)17.0(62.6)17.0(62.6)18.0(64.4)19.0(66.2)17.0(62.6)
Average precipitation mm (inches)180.12(7.09)202.48(7.97)97.84(3.85)125.63(4.95)143.74(5.66)66.95(2.64)81.0(3.19)56.84(2.24)53.82(2.12)103.09(4.06)104.51(4.11)149.05(5.87)113.76(4.48)
Average precipitation days (≥ 1.0 mm)21.018.9120.7322.019.0913.0914.6412.4513.2718.1819.0922.0917.88
Average relative humidity (%)75.7475.9974.3575.4876.6477.977.9677.4777.9677.4476.6875.7176.61
Mean monthly sunshine hours11.5310.4110.710.077.797.68.5810.1110.5611.8412.1912.1810.3

Climate Graph

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

Rose Island

Rose Island Temperature by Month

March
28.63°C | 83.53°F
April
28.56°C | 83.41°F
January
28.37°C | 83.07°F
February
28.37°C | 83.07°F
May
28.21°C | 82.78°F
December
28.04°C | 82.47°F
November
27.81°C | 82.06°F
June
27.7°C | 81.86°F
October
27.5°C | 81.5°F
September
27.16°C | 80.89°F
July
27.14°C | 80.85°F
August
26.97°C | 80.55°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 Temperature28.0°C (82.4°F)27.74°C (81.93°F)26.0°C (78.8°F)
Avg Temperature28.0°C (82.4°F)27.39°C (81.3°F)25.0°C (77.0°F)
Min Temperature28.0°C (82.4°F)23.74°C (74.73°F)19.0°C (66.2°F)
Dew PointMaxAverageMin
Dew Point25.0°C (77.0°F)23.32°C (73.98°F)21.0°C (69.8°F)
PrecipitationMaxAverageMinSum
Precipitation66.8mm | 2.63in12.39mm | 0.49in0.0mm | 0in384.0mm | 15.12in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind41.0kmh | 25.48mph20.84kmh | 12.95mph7.0kmh | 4.35mph
Gust Wind64.0kmh | 39.77mph31.06kmh | 19.3mph10.0kmh | 6.21mph
Sea Level PressureMaxAverageMin
Sea Level Pressure66.8mb12.39mb0.0mb
Rose Island

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
December° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-12-0125 | 77.021 | 69.87918 | 11.1829.85 | 101140.7 | 1.6
2019-12-0227 | 80.621 | 69.87114 | 8.729.88 | 10120.1 | 0.0
2019-12-0327 | 80.623 | 73.47522 | 13.6729.85 | 10110.8 | 0.03
2019-12-0428 | 82.423 | 73.47722 | 13.6729.85 | 10110.0 | 0.0
2019-12-0528 | 82.424 | 75.28024 | 14.9129.88 | 10121.9 | 0.07
2019-12-0628 | 82.424 | 75.27824 | 14.9129.91 | 10134.8 | 0.19
2019-12-0728 | 82.424 | 75.28128 | 17.429.88 | 10121.8 | 0.07
2019-12-0827 | 80.624 | 75.28225 | 15.5329.85 | 10118.5 | 0.33
2019-12-0928 | 82.423 | 73.47719 | 11.8129.77 | 100815.5 | 0.61
2019-12-1028 | 82.424 | 75.27920 | 12.4329.8 | 100910.8 | 0.43
2019-12-1128 | 82.421 | 69.8678 | 4.9729.83 | 10100.7 | 0.03
2019-12-1227 | 80.623 | 73.47723 | 14.2929.83 | 10107.3 | 0.29
2019-12-1328 | 82.423 | 73.47413 | 8.0829.8 | 10097.5 | 0.3
2019-12-1427 | 80.623 | 73.47513 | 8.0829.77 | 100815.4 | 0.61
2019-12-1527 | 80.624 | 75.28025 | 15.5329.77 | 100823.7 | 0.93
2019-12-1627 | 80.624 | 75.28026 | 16.1629.74 | 100714.0 | 0.55
2019-12-1728 | 82.424 | 75.28122 | 13.6729.74 | 100710.3 | 0.41
2019-12-1828 | 82.424 | 75.27722 | 13.6729.71 | 100612.7 | 0.5
2019-12-1928 | 82.424 | 75.27816 | 9.9429.65 | 10043.9 | 0.15
2019-12-2028 | 82.425 | 77.08227 | 16.7829.62 | 10034.6 | 0.18
2019-12-2128 | 82.424 | 75.28017 | 10.5629.62 | 100319.8 | 0.78
2019-12-2228 | 82.423 | 73.4747 | 4.3529.68 | 10051.9 | 0.07
2019-12-2328 | 82.423 | 73.47510 | 6.2129.68 | 10059.7 | 0.38
2019-12-2426 | 78.823 | 73.48526 | 16.1629.74 | 100714.4 | 0.57
2019-12-2527 | 80.622 | 71.67114 | 8.729.77 | 10080.2 | 0.01
2019-12-2626 | 78.823 | 73.47921 | 13.0529.8 | 100966.8 | 2.63
2019-12-2727 | 80.623 | 73.47715 | 9.3229.77 | 10086.2 | 0.24
2019-12-2827 | 80.624 | 75.28120 | 12.4329.77 | 100829.9 | 1.18
2019-12-2927 | 80.624 | 75.28224 | 14.9129.77 | 100817.5 | 0.69
2019-12-3027 | 80.624 | 75.28740 | 24.8529.74 | 100726.7 | 1.05
2019-12-3128 | 82.424 | 75.28041 | 25.4829.68 | 10055.9 | 0.23

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