Akau Island, Johnston Atoll, United States Minor Outlying Islands Climate

Weather: 24.97°C/76.95°F, Wind SW at 8.51 km/h, 74% Humidity, 0% Chance of rain

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

Akau Island Climate Summary

Located at an elevation of -14.34 meters (-47.05 feet) above sea level, Akau Island has a Tropical rainforest climate climate (Classification: Af). The district’s yearly temperature is 26.98ºC (80.56ºF) and it is 0.65% higher than United States Minor Outlying Islands’s averages. Akau Island typically receives about 74.52 millimeters (2.93 inches) of precipitation and has 149.52 rainy days (40.96% of the time) annually.

CountryUnited States Minor Outlying Islands
CityJohnston Atoll
Longitude-169.5336477
Latitude16.7295035
Attitude/Elevation-14.34m (-47.05ft)
Local timeSaturday 12:41
Annual high temperature27.26ºC (81.07ºF)
Annual low temperature26.38ºC (79.48ºF)
Average annual precip.74.52mm (2.93in)
Warmest monthSeptember (28.58ºC / 83.44ºF)
Coldest MonthFebruary (24.89ºC / 76.8ºF)
Wettest MonthDecember (132.37mm / 5.21in)
Driest MonthJanuary (30.7mm / 1.21in)
Number of days with rainfall (≥ 1.0 mm)149.52 days (40.96%)
Days with no rain215.48 days (59.04%)
Humidity79.57%

Climate Akau Island: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)27.82(82.08)26.79(80.22)27.82(82.08)27.82(82.08)27.82(82.08)29.88(85.78)29.88(85.78)29.88(85.78)30.91(87.64)29.88(85.78)29.88(85.78)28.85(83.93)30.91(87.64)
Average high °C (°F)26.28(79.3)25.79(78.42)25.87(78.57)26.32(79.38)26.91(80.44)27.55(81.59)27.97(82.35)28.46(83.23)28.58(83.44)28.38(83.08)27.92(82.26)27.04(80.67)27.26(81.07)
Daily mean °C (°F)25.95(78.71)25.49(77.88)25.57(78.03)26.05(78.89)26.63(79.93)27.37(81.27)27.7(81.86)28.12(82.62)28.31(82.96)28.11(82.6)27.65(81.77)26.8(80.24)26.98(80.56)
Average low °C (°F)25.32(77.58)24.89(76.8)24.91(76.84)25.46(77.83)26.14(79.05)26.88(80.38)27.18(80.92)27.53(81.55)27.73(81.91)27.44(81.39)26.96(80.53)26.15(79.07)26.38(79.48)
Record low °C (°F)17.52(63.54)16.49(61.68)17.52(63.54)17.52(63.54)18.55(65.39)18.55(65.39)20.61(69.1)19.58(67.24)19.58(67.24)19.58(67.24)19.58(67.24)18.55(65.39)16.49(61.68)
Average precipitation mm (inches)30.7(1.21)62.37(2.46)53.24(2.1)53.51(2.11)58.92(2.32)30.82(1.21)58.35(2.3)100.51(3.96)101.4(3.99)102.78(4.05)109.33(4.3)132.37(5.21)74.53(2.93)
Average precipitation days (≥ 1.0 mm)7.410.7712.4610.9611.3410.6811.2414.1516.1216.0216.412.012.46
Average relative humidity (%)77.7577.8479.780.3680.3580.1280.380.379.8379.779.6778.9979.58
Mean monthly sunshine hours10.2410.7810.6211.6212.813.1512.8211.6811.189.268.067.9910.85

Climate Graph

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

Akau Island

Akau Island Temperature by Month

September
28.31°C | 82.96°F
August
28.12°C | 82.62°F
October
28.11°C | 82.6°F
July
27.7°C | 81.86°F
November
27.65°C | 81.77°F
June
27.37°C | 81.27°F
December
26.8°C | 80.24°F
May
26.63°C | 79.93°F
April
26.05°C | 78.89°F
January
25.95°C | 78.71°F
March
25.57°C | 78.03°F
February
25.49°C | 77.88°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 Temperature27.82°C (82.08°F)27.2°C (80.96°F)26.79°C (80.22°F)
Avg Temperature27.82°C (82.08°F)26.89°C (80.4°F)26.79°C (80.22°F)
Min Temperature26.79°C (80.22°F)23.63°C (74.53°F)18.55°C (65.39°F)
Dew PointMaxAverageMin
Dew Point23.7°C (74.66°F)23.05°C (73.49°F)22.67°C (72.81°F)
PrecipitationMaxAverageMinSum
Precipitation4.23mm | 0.17in1.37mm | 0.05in0.1mm | 0.0in41.24mm | 1.62in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind34.01kmh | 21.13mph27.0kmh | 16.78mph19.58kmh | 12.17mph
Gust Wind47.4kmh | 29.45mph37.24kmh | 23.14mph26.79kmh | 16.65mph
Sea Level PressureMaxAverageMin
Sea Level Pressure4.23mb1.37mb0.1mb
Akau Island

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
June° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-06-0126.79 | 80.2222.67 | 72.817926.79 | 16.6530.89 | 1045.961.13 | 0.04
2020-06-0226.79 | 80.2222.67 | 72.817720.61 | 12.8130.89 | 1045.960.21 | 0.01
2020-06-0326.79 | 80.2222.67 | 72.818124.73 | 15.3730.86 | 1044.932.68 | 0.11
2020-06-0426.79 | 80.2223.7 | 74.668122.67 | 14.0930.86 | 1044.931.96 | 0.08
2020-06-0526.79 | 80.2223.7 | 74.668024.73 | 15.3730.83 | 1043.93.4 | 0.13
2020-06-0626.79 | 80.2223.7 | 74.668128.85 | 17.9330.86 | 1044.931.44 | 0.06
2020-06-0726.79 | 80.2223.7 | 74.668024.73 | 15.3730.92 | 1046.991.65 | 0.06
2020-06-0826.79 | 80.2223.7 | 74.668226.79 | 16.6530.92 | 1046.992.78 | 0.11
2020-06-0926.79 | 80.2223.7 | 74.667928.85 | 17.9330.89 | 1045.961.34 | 0.05
2020-06-1026.79 | 80.2223.7 | 74.668026.79 | 16.6530.89 | 1045.962.47 | 0.1
2020-06-1127.82 | 82.0823.7 | 74.667934.01 | 21.1330.89 | 1045.961.85 | 0.07
2020-06-1226.79 | 80.2222.67 | 72.817832.98 | 20.4930.92 | 1046.990.52 | 0.02
2020-06-1326.79 | 80.2222.67 | 72.817731.95 | 19.8530.89 | 1045.961.55 | 0.06
2020-06-1426.79 | 80.2222.67 | 72.817631.95 | 19.8530.86 | 1044.931.44 | 0.06
2020-06-1526.79 | 80.2222.67 | 72.818029.88 | 18.5730.86 | 1044.930.72 | 0.03
2020-06-1626.79 | 80.2222.67 | 72.817830.91 | 19.2130.89 | 1045.960.52 | 0.02
2020-06-1726.79 | 80.2222.67 | 72.817731.95 | 19.8530.89 | 1045.961.44 | 0.06
2020-06-1826.79 | 80.2222.67 | 72.817829.88 | 18.5730.86 | 1044.930.52 | 0.02
2020-06-1926.79 | 80.2222.67 | 72.817929.88 | 18.5730.86 | 1044.932.99 | 0.12
2020-06-2026.79 | 80.2222.67 | 72.817929.88 | 18.5730.86 | 1044.930.72 | 0.03
2020-06-2126.79 | 80.2222.67 | 72.817925.76 | 16.0130.89 | 1045.960.1 | 0.0
2020-06-2226.79 | 80.2222.67 | 72.817921.64 | 13.4530.89 | 1045.960.21 | 0.01
2020-06-2326.79 | 80.2222.67 | 72.817920.61 | 12.8130.86 | 1044.930.21 | 0.01
2020-06-2426.79 | 80.2222.67 | 72.817919.58 | 12.1730.8 | 1042.870.31 | 0.01
2020-06-2526.79 | 80.2223.7 | 74.668025.76 | 16.0130.83 | 1043.90.31 | 0.01
2020-06-2626.79 | 80.2222.67 | 72.817826.79 | 16.6530.86 | 1044.930.31 | 0.01
2020-06-2727.82 | 82.0823.7 | 74.667928.85 | 17.9330.86 | 1044.934.23 | 0.17
2020-06-2827.82 | 82.0823.7 | 74.667929.88 | 18.5730.83 | 1043.92.47 | 0.1
2020-06-2926.79 | 80.2222.67 | 72.817922.67 | 14.0930.83 | 1043.90.21 | 0.01
2020-06-3026.79 | 80.2222.67 | 72.817919.58 | 12.1730.83 | 1043.91.55 | 0.06

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