Rose Island, American Samoa Climate

Weather: 28.73°C/83.71°F, Wind SW at 6.97 km/h, 74% Humidity, 0% Chance of rain

American Samoa
(Photo by Thea Hdc on Unsplash)
Contents

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.

Country American Samoa
Longitude -168.1535928
Latitude -14.5456814
Attitude/Elevation -13.88m (-45.54ft)
Local time Thursday 11:01
Annual high temperature 28.12ºC (82.62ºF)
Annual low temperature 26.93ºC (80.47ºF)
Average annual precip. 113.76mm (4.48in)
Warmest month March (28.92ºC / 84.06ºF)
Coldest Month August (26.09ºC / 78.96ºF)
Wettest Month February (202.48mm / 7.97in)
Driest Month September (53.82mm / 2.12in)
Number of days with rainfall (≥ 1.0 mm) 214.54 days (58.78%)
Days with no rain 150.46 days (41.22%)
Humidity 76.61%

Climate Rose Island: Monthly Averages

Month Jan Feb Mar Apr May Jun Jul Aug Sep Nov Oct Dec Year
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) 21.0 18.91 20.73 22.0 19.09 13.09 14.64 12.45 13.27 18.18 19.09 22.09 17.88
Average relative humidity (%) 75.74 75.99 74.35 75.48 76.64 77.9 77.96 77.47 77.96 77.44 76.68 75.71 76.61
Mean monthly sunshine hours 11.53 10.41 10.7 10.07 7.79 7.6 8.58 10.11 10.56 11.84 12.19 12.18 10.3

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
Temperature Max Average Min
Max Temperature 28.0°C (82.4°F) 27.74°C (81.93°F) 26.0°C (78.8°F)
Avg Temperature 28.0°C (82.4°F) 27.39°C (81.3°F) 25.0°C (77.0°F)
Min Temperature 28.0°C (82.4°F) 23.74°C (74.73°F) 19.0°C (66.2°F)
Dew Point Max Average Min
Dew Point 25.0°C (77.0°F) 23.32°C (73.98°F) 21.0°C (69.8°F)
Precipitation Max Average Min Sum
Precipitation 66.8mm | 2.63in 12.39mm | 0.49in 0.0mm | 0in 384.0mm | 15.12in
Snowdepth 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in
Wind Max Average Min
Wind 41.0kmh | 25.48mph 20.84kmh | 12.95mph 7.0kmh | 4.35mph
Gust Wind 64.0kmh | 39.77mph 31.06kmh | 19.3mph 10.0kmh | 6.21mph
Sea Level Pressure Max Average Min
Sea Level Pressure 66.8mb 12.39mb 0.0mb
Rose Island

Daily Observations

Time Temperature Dew Point Humidity Wind Speed Pressure Precipitation
December ° C | ° F ° C | ° F % Kph | Mph Hg | Mb Total (mm/in)
2019-12-01 25 | 77.0 21 | 69.8 79 18 | 11.18 29.85 | 1011 40.7 | 1.6
2019-12-02 27 | 80.6 21 | 69.8 71 14 | 8.7 29.88 | 1012 0.1 | 0.0
2019-12-03 27 | 80.6 23 | 73.4 75 22 | 13.67 29.85 | 1011 0.8 | 0.03
2019-12-04 28 | 82.4 23 | 73.4 77 22 | 13.67 29.85 | 1011 0.0 | 0.0
2019-12-05 28 | 82.4 24 | 75.2 80 24 | 14.91 29.88 | 1012 1.9 | 0.07
2019-12-06 28 | 82.4 24 | 75.2 78 24 | 14.91 29.91 | 1013 4.8 | 0.19
2019-12-07 28 | 82.4 24 | 75.2 81 28 | 17.4 29.88 | 1012 1.8 | 0.07
2019-12-08 27 | 80.6 24 | 75.2 82 25 | 15.53 29.85 | 1011 8.5 | 0.33
2019-12-09 28 | 82.4 23 | 73.4 77 19 | 11.81 29.77 | 1008 15.5 | 0.61
2019-12-10 28 | 82.4 24 | 75.2 79 20 | 12.43 29.8 | 1009 10.8 | 0.43
2019-12-11 28 | 82.4 21 | 69.8 67 8 | 4.97 29.83 | 1010 0.7 | 0.03
2019-12-12 27 | 80.6 23 | 73.4 77 23 | 14.29 29.83 | 1010 7.3 | 0.29
2019-12-13 28 | 82.4 23 | 73.4 74 13 | 8.08 29.8 | 1009 7.5 | 0.3
2019-12-14 27 | 80.6 23 | 73.4 75 13 | 8.08 29.77 | 1008 15.4 | 0.61
2019-12-15 27 | 80.6 24 | 75.2 80 25 | 15.53 29.77 | 1008 23.7 | 0.93
2019-12-16 27 | 80.6 24 | 75.2 80 26 | 16.16 29.74 | 1007 14.0 | 0.55
2019-12-17 28 | 82.4 24 | 75.2 81 22 | 13.67 29.74 | 1007 10.3 | 0.41
2019-12-18 28 | 82.4 24 | 75.2 77 22 | 13.67 29.71 | 1006 12.7 | 0.5
2019-12-19 28 | 82.4 24 | 75.2 78 16 | 9.94 29.65 | 1004 3.9 | 0.15
2019-12-20 28 | 82.4 25 | 77.0 82 27 | 16.78 29.62 | 1003 4.6 | 0.18
2019-12-21 28 | 82.4 24 | 75.2 80 17 | 10.56 29.62 | 1003 19.8 | 0.78
2019-12-22 28 | 82.4 23 | 73.4 74 7 | 4.35 29.68 | 1005 1.9 | 0.07
2019-12-23 28 | 82.4 23 | 73.4 75 10 | 6.21 29.68 | 1005 9.7 | 0.38
2019-12-24 26 | 78.8 23 | 73.4 85 26 | 16.16 29.74 | 1007 14.4 | 0.57
2019-12-25 27 | 80.6 22 | 71.6 71 14 | 8.7 29.77 | 1008 0.2 | 0.01
2019-12-26 26 | 78.8 23 | 73.4 79 21 | 13.05 29.8 | 1009 66.8 | 2.63
2019-12-27 27 | 80.6 23 | 73.4 77 15 | 9.32 29.77 | 1008 6.2 | 0.24
2019-12-28 27 | 80.6 24 | 75.2 81 20 | 12.43 29.77 | 1008 29.9 | 1.18
2019-12-29 27 | 80.6 24 | 75.2 82 24 | 14.91 29.77 | 1008 17.5 | 0.69
2019-12-30 27 | 80.6 24 | 75.2 87 40 | 24.85 29.74 | 1007 26.7 | 1.05
2019-12-31 28 | 82.4 24 | 75.2 80 41 | 25.48 29.68 | 1005 5.9 | 0.23

Rose Island 10 Year Historical Weather Data

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