Federated States of Micronesia


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Elevation: 6 feet     Latitude: 10 01N     Longitude: 139 47E
Köppen Classification: Tropical Rainforest Climate



A tropical rainforest climate, also known as an equatorial climate, is a tropical climate usually (but not always) found along the equator. Tropical rainforest climate is a type of tropical climate in which there is no dry season - all months have mean precipitation values of at least 60 mm (2.36 in). Tropical rainforest climates have no pronounced summer or winter; it is typically hot and wet throughout the year and rainfall is both heavy and frequent. One day in an equatorial climate can be very similar to the next, while the change in temperature between day and night may be larger than the average change in temperature between "summer" and "winter".

The Köppen Climate Classification subtype for this climate is "Af". (Tropical Rainforest Climate).

The average temperature for the year in Ulithi Atoll is 82.0°F (27.8°C). The warmest month, on average, is April with an average temperature of 83.0°F (28.3°C). The coolest month on average is January, with an average temperature of 82.0°F (27.8°C).

The highest recorded temperature in Ulithi Atoll is 92.0°F (33.3°C), which was recorded in January. The lowest recorded temperature in Ulithi Atoll is 71.0°F (21.7°C), which was recorded in April.

The average amount of precipitation for the year in Ulithi Atoll is 0.0" (0 mm). The month with the most precipitation on average is September with 25.1" (637.5 mm) of precipitation. The month with the least precipitation on average is May with an average of 0.0" (0 mm). In terms of liquid precipitation, there are an average of 145.7 days of rain, with the most rain occurring in September with 22.0 days of rain, and the least rain occurring in May with 0.0 days of rain.

Koppen Chart