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

Weather: 27.9°C/82.22°F, Wind SW at 6.78 km/h, 80% Humidity, 0.12% Chance of rain

(Photo by Ubey Ahmed on Unsplash)
Contents

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 timeWednesday 13:12
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 Palmyra Atoll in recent years.

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
Go
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

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

Copper Island 11 Year Historical Weather Data

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