Temperatures are pretty constant. Average humidity is 66% but easterly trade winds of 6.4k-19.3 kph (4-12 mph) offset the dampness. Guam Weather, climate and geography Weather and climate Best time to visit. Sep 7, 1961. Basically two travel times can be distinguished on Guam: Wind speed averages and directions for Yigo/Guam Pamela Jan 12, 1988. Guam has a drier and a wet season. Weather is perfect this time of year in Tamuning to be enjoyable for warm weather travelers. Guam has a tropical rainforest type of climate (Köppen climate classification Af) with hot and humid conditions throughout the year. On average, it rains or snows a great amount: 7 to 13 times per month. Climate change and the greenhouse effect seem to be influencing Guam’s weather as well, as no typhoons have hit Guam since 2002. [2347692] Climate is the statistics of weather, usually over a 30-year interval. These times of year are the second busiest with tourists. The biggest storm to strike Guam in recent History. Monthly weather forecast and climate for Guam. The island is one of the wettest regions in the world, but its breathtaking beauty is impressive. Average Weather in Hagåtña Guam. Guam usually sees three tropical storms and one typhoon pass within 180 nautical miles of the island in a given year. Nancy Nov 11, 1962. Guam weather conditions throughout the year. Guam is the largest and most populous island in the Marianas Islands (Pacific Ocean) and belongs to the United States. Additional products and bulletins for Guam and the Marianas Islands: *** Drought Information Statement *** The average high during this season is between 87.6°F (30.9°C) and 85.9°F (29.9°C). Annual Sunshine for Guam The longest days in Guam are in June , with an average of 12.9 hours of daylight per day. On Guam, the climate is hot and tropical, and there are two seasons, while the weather throughout the year is evenly warm and rainy. The climate of Guam is a tropical rainforest climate, which in the Köppen-Geiger climate classification is indicated with the letter code Af. NOAA National Weather Service Tiyan, GU. Guam has a tropical rainforest climate (Köppen Af), though its driest month of March almost averages dry enough to qualify as a tropical monsoon climate (Köppen Am). Typhoon Russ Nov 27, 1991. Only on rare occasions does the temperature dip below 21.1°C (70°F) or above 32.2°C (90°F). Over the course of the year, the temperature typically varies from 76°F to 89°F and is rarely below 74°F or above 91°F. At USAF Andersen Air Force Base, the wet season is hot and overcast, the dry season is warm and partly cloudy, and it is oppressive and windy year round. Yearly wind and weather averages for Yigo/Guam Statistics based on observations taken between 09/2009 - 11/2020 daily from 7am to 7pm local time. Hence, Guam is known to have equable temperatures year … It is measured by assessing the patterns of variation in temperature… Average Weather at USAF Andersen Air Force Base Guam. Super Typhoon Karen Category 5 typhoon May 21, 1976. Climate in Guam Due to its proximity to the equator, Guam has high temperatures all year round and a typically tropical South Sea climate. The coolest month in Guam is February when the average maximum temperature is 30°, average temperature is 27° and average minimum temperature is 24°. Over the course of the year, the temperature typically varies from 77°F to 87°F and is rarely below 75°F or above … Typhoons on Guam Timeline created by Rose5720. Roy Dec 8, 1990. Yuri Aug 28, 1992. Guam belongs to the region of Micronesia. The weather is generally hot and humid throughout the year with little seasonal temperature variation. In Hagåtña, the wet season is overcast; the dry season is partly cloudy; and it is hot, oppressive, and windy year round. 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