Copper Island, Palmyra Atoll, United States Minor Outlying Islands Climate

Weather: 27.02°C/80.64°F, Wind SW at 3.83 km/h, 70% Humidity, 0% Chance of rain

United States Minor Outlying Islands
(Photo by Ubey Ahmed on Unsplash)

Copper Island Climate Summary

Located at an elevation of 11.71 meters (38.42 feet) above sea level, Copper Island has a Tropical rainforest climate climate (Classification: Af). The district’s yearly temperature is 30.19ºC (86.34ºF) and it is 3.86% higher than United States Minor Outlying Islands’s averages. Copper Island typically receives about 436.84 millimeters (17.2 inches) of precipitation and has 320.0 rainy days (87.67% of the time) annually.

CountryUnited States Minor Outlying Islands
CityPalmyra Atoll
Longitude-162.0786656
Latitude5.8885026
Attitude/Elevation11.71m (38.42ft)
Local timeThursday 08:13
Annual high temperature30.93ºC (87.67ºF)
Annual low temperature28.84ºC (83.91ºF)
Average annual precip.436.84mm (17.2in)
Warmest monthAugust (31.38ºC / 88.48ºF)
Coldest MonthMarch (28.58ºC / 83.44ºF)
Wettest MonthJune (554.58mm / 21.83in)
Driest MonthFebruary (345.56mm / 13.6in)
Number of days with rainfall (≥ 1.0 mm)320.0 days (87.67%)
Days with no rain45.0 days (12.33%)
Humidity84.48%

Climate Copper Island: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)32.39(90.3)32.39(90.3)32.39(90.3)32.39(90.3)32.39(90.3)33.47(92.25)33.47(92.25)33.47(92.25)33.47(92.25)33.47(92.25)33.47(92.25)32.39(90.3)33.47(92.25)
Average high °C (°F)30.81(87.46)30.76(87.37)30.59(87.06)30.8(87.44)31.11(88.0)31.33(88.39)31.3(88.34)31.38(88.48)31.17(88.11)30.86(87.55)30.5(86.9)30.61(87.1)30.93(87.67)
Daily mean °C (°F)30.21(86.38)30.09(86.16)29.97(85.95)30.0(86.0)30.24(86.43)30.33(86.59)30.4(86.72)30.43(86.77)30.35(86.63)30.2(86.36)29.94(85.89)30.05(86.09)30.19(86.34)
Average low °C (°F)29.07(84.33)28.68(83.62)28.58(83.44)28.63(83.53)28.87(83.97)28.87(83.97)28.9(84.02)28.75(83.75)28.85(83.93)28.96(84.13)28.88(83.98)28.99(84.18)28.84(83.91)
Record low °C (°F)24.83(76.69)22.67(72.81)21.59(70.86)21.59(70.86)20.51(68.92)20.51(68.92)21.59(70.86)21.59(70.86)20.51(68.92)21.59(70.86)21.59(70.86)22.67(72.81)20.51(68.92)
Average precipitation mm (inches)416.58(16.4)345.56(13.6)481.98(18.98)444.13(17.49)501.23(19.73)554.58(21.83)524.9(20.67)460.1(18.11)376.12(14.81)354.58(13.96)379.35(14.94)402.81(15.86)436.83(17.2)
Average precipitation days (≥ 1.0 mm)27.3824.8329.0529.1528.9628.6729.1524.5421.6923.0625.7227.7826.67
Average relative humidity (%)85.6385.5986.8487.186.5985.3383.3582.2681.6581.8183.284.3784.48
Mean monthly sunshine hours8.2810.1310.9510.4610.8212.7813.0512.2511.011.0710.9510.4911.02

Climate Graph

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

Copper Island

Copper Island Temperature by Month

August
30.43°C | 86.77°F
July
30.4°C | 86.72°F
September
30.35°C | 86.63°F
June
30.33°C | 86.59°F
May
30.24°C | 86.43°F
January
30.21°C | 86.38°F
October
30.2°C | 86.36°F
February
30.09°C | 86.16°F
December
30.05°C | 86.09°F
April
30.0°C | 86.0°F
March
29.97°C | 85.95°F
November
29.94°C | 85.89°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 Temperature31.31°C (88.36°F)30.02°C (86.04°F)28.07°C (82.53°F)
Avg Temperature31.31°C (88.36°F)29.43°C (84.97°F)28.07°C (82.53°F)
Min Temperature29.15°C (84.47°F)25.35°C (77.63°F)21.59°C (70.86°F)
Dew PointMaxAverageMin
Dew Point25.91°C (78.64°F)24.59°C (76.26°F)23.75°C (74.75°F)
PrecipitationMaxAverageMinSum
Precipitation64.03mm | 2.52in7.18mm | 0.28in0.11mm | 0.0in222.43mm | 8.76in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind31.31kmh | 19.46mph23.54kmh | 14.63mph11.88kmh | 7.38mph
Gust Wind48.59kmh | 30.19mph34.27kmh | 21.29mph18.35kmh | 11.4mph
Sea Level PressureMaxAverageMin
Sea Level Pressure64.03mb7.18mb0.11mb
Copper Island

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
October° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-10-0130.23 | 86.4124.83 | 76.697818.35 | 11.432.2 | 1090.510.37 | 0.41
2020-10-0228.07 | 82.5324.83 | 76.697822.67 | 14.0932.2 | 1090.515.98 | 0.63
2020-10-0329.15 | 84.4724.83 | 76.697822.67 | 14.0932.2 | 1090.52.81 | 0.11
2020-10-0430.23 | 86.4124.83 | 76.697823.75 | 14.7632.2 | 1090.57.23 | 0.28
2020-10-0528.07 | 82.5323.75 | 74.757617.28 | 10.7432.2 | 1090.53.24 | 0.13
2020-10-0629.15 | 84.4724.83 | 76.697718.35 | 11.432.2 | 1090.51.84 | 0.07
2020-10-0729.15 | 84.4724.83 | 76.697928.07 | 17.4432.2 | 1090.57.23 | 0.28
2020-10-0829.15 | 84.4724.83 | 76.697729.15 | 18.1132.2 | 1090.50.11 | 0.0
2020-10-0929.15 | 84.4723.75 | 74.757624.83 | 15.4332.2 | 1090.50.32 | 0.01
2020-10-1029.15 | 84.4723.75 | 74.757625.91 | 16.132.2 | 1090.50.86 | 0.03
2020-10-1129.15 | 84.4723.75 | 74.757721.59 | 13.4232.2 | 1090.52.38 | 0.09
2020-10-1229.15 | 84.4723.75 | 74.757415.12 | 9.432.2 | 1090.55.4 | 0.21
2020-10-1329.15 | 84.4724.83 | 76.697830.23 | 18.7832.17 | 1089.4214.47 | 0.57
2020-10-1429.15 | 84.4724.83 | 76.697628.07 | 17.4432.17 | 1089.420.65 | 0.03
2020-10-1531.31 | 88.3625.91 | 78.647726.99 | 16.7732.11 | 1087.261.51 | 0.06
2020-10-1631.31 | 88.3625.91 | 78.647724.83 | 15.4332.14 | 1088.3411.12 | 0.44
2020-10-1731.31 | 88.3625.91 | 78.647728.07 | 17.4432.17 | 1089.425.07 | 0.2
2020-10-1829.15 | 84.4724.83 | 76.697528.07 | 17.4432.2 | 1090.50.32 | 0.01
2020-10-1930.23 | 86.4124.83 | 76.697824.83 | 15.4332.2 | 1090.58.53 | 0.34
2020-10-2030.23 | 86.4124.83 | 76.697525.91 | 16.132.17 | 1089.420.22 | 0.01
2020-10-2131.31 | 88.3625.91 | 78.647726.99 | 16.7732.17 | 1089.421.84 | 0.07
2020-10-2230.23 | 86.4124.83 | 76.697314.04 | 8.7232.2 | 1090.50.97 | 0.04
2020-10-2329.15 | 84.4723.75 | 74.757611.88 | 7.3832.2 | 1090.513.71 | 0.54
2020-10-2428.07 | 82.5323.75 | 74.757912.96 | 8.0532.17 | 1089.4229.91 | 1.18
2020-10-2529.15 | 84.4724.83 | 76.698320.51 | 12.7432.17 | 1089.4264.03 | 2.52
2020-10-2629.15 | 84.4724.83 | 76.697826.99 | 16.7732.17 | 1089.421.51 | 0.06
2020-10-2729.15 | 84.4723.75 | 74.757525.91 | 16.132.23 | 1091.581.08 | 0.04
2020-10-2828.07 | 82.5323.75 | 74.757425.91 | 16.132.23 | 1091.580.76 | 0.03
2020-10-2929.15 | 84.4724.83 | 76.697819.43 | 12.0732.2 | 1090.55.72 | 0.23
2020-10-3028.07 | 82.5323.75 | 74.757831.31 | 19.4632.23 | 1091.582.16 | 0.09
2020-10-3129.15 | 84.4723.75 | 74.757629.15 | 18.1132.27 | 1092.661.08 | 0.04

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