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Climate & Weather Averages in Achang Reef Flat Marine Preserve, Guam

Currently: 77 °F. Clear. (Weather station: Agana Guam International Airport, Guam). See more current weather

Annual Weather Averages Near Achang Reef Flat Marine Preserve

Averages are for Agana Guam International Airport, which is 18 miles from Achang Reef Flat Marine Preserve.

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Achang Reef Flat Marine Preserve

High Temp: 89 °F

Low Temp: 75 °F

Mean Temp: 82 °F

Precipitation: 8.08"

Humidity: 78%

Dew Point: 74 °F

Wind: 18 mph

Pressure: 29.84 "Hg

Visibility: 9 mi

January Climate & Weather Averages in Achang Reef Flat Marine Preserve

High Temp: 86 °F

Low Temp: 76 °F

Mean Temp: 81 °F

Precipitation: 5.16"

Humidity: 77%

Dew Point: 72 °F

Wind: 22 mph

Pressure: 29.87 "Hg

Visibility: 9 mi

February Climate & Weather Averages in Achang Reef Flat Marine Preserve

High Temp: 86 °F

Low Temp: 75 °F

Mean Temp: 81 °F

Precipitation: 3.93"

Humidity: 76%

Dew Point: 72 °F

Wind: 22 mph

Pressure: 29.88 "Hg

Visibility: 9 mi

March Climate & Weather Averages in Achang Reef Flat Marine Preserve

High Temp: 87 °F

Low Temp: 76 °F

Mean Temp: 81 °F

Precipitation: 2.75"

Humidity: 74%

Dew Point: 72 °F

Wind: 22 mph

Pressure: 29.88 "Hg

Visibility: 9 mi

April Climate & Weather Averages in Achang Reef Flat Marine Preserve

High Temp: 88 °F

Low Temp: 77 °F

Mean Temp: 83 °F

Precipitation: 3.34"

Humidity: 75%

Dew Point: 73 °F

Wind: 21 mph

Pressure: 29.87 "Hg

Visibility: 9 mi

May Climate & Weather Averages in Achang Reef Flat Marine Preserve

High Temp: 89 °F

Low Temp: 78 °F

Mean Temp: 83 °F

Precipitation: 4.37"

Humidity: 76%

Dew Point: 75 °F

Wind: 18 mph

Pressure: 29.86 "Hg

Visibility: 9 mi

June Climate & Weather Averages in Achang Reef Flat Marine Preserve

High Temp: 89 °F

Low Temp: 78 °F

Mean Temp: 83 °F

Precipitation: 6.74"

Humidity: 77%

Dew Point: 75 °F

Wind: 17 mph

Pressure: 29.85 "Hg

Visibility: 9 mi

July Climate & Weather Averages in Achang Reef Flat Marine Preserve

High Temp: 88 °F

Low Temp: 77 °F

Mean Temp: 83 °F

Precipitation: 11.64"

Humidity: 81%

Dew Point: 76 °F

Wind: 13 mph

Pressure: 29.82 "Hg

Visibility: 9 mi

August Climate & Weather Averages in Achang Reef Flat Marine Preserve

High Temp: 87 °F

Low Temp: 76 °F

Mean Temp: 82 °F

Precipitation: 17.23"

Humidity: 83%

Dew Point: 76 °F

Wind: 12 mph

Pressure: 29.81 "Hg

Visibility: 9 mi

September Climate & Weather Averages in Achang Reef Flat Marine Preserve

High Temp: 87 °F

Low Temp: 76 °F

Mean Temp: 82 °F

Precipitation: 14.94"

Humidity: 83%

Dew Point: 76 °F

Wind: 11 mph

Pressure: 29.81 "Hg

Visibility: 9 mi

October Climate & Weather Averages in Achang Reef Flat Marine Preserve

High Temp: 87 °F

Low Temp: 77 °F

Mean Temp: 82 °F

Precipitation: 12.86"

Humidity: 82%

Dew Point: 76 °F

Wind: 13 mph

Pressure: 29.81 "Hg

Visibility: 9 mi

November Climate & Weather Averages in Achang Reef Flat Marine Preserve

High Temp: 88 °F

Low Temp: 77 °F

Mean Temp: 83 °F

Precipitation: 8.01"

Humidity: 80%

Dew Point: 75 °F

Wind: 19 mph

Pressure: 29.82 "Hg

Visibility: 9 mi

December Climate & Weather Averages in Achang Reef Flat Marine Preserve

High Temp: 87 °F

Low Temp: 77 °F

Mean Temp: 82 °F

Precipitation: 5.97"

Humidity: 78%

Dew Point: 74 °F

Wind: 22 mph

Pressure: 29.85 "Hg

Visibility: 9 mi

Quick Climate Info

Hottest MonthJune (83 °F avg)
Coldest MonthFebruary (81 °F avg)
Wettest MonthAugust (17.23" avg)
Windiest MonthFebruary (22 mph avg)
Annual precip.96.94" (per year)

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