PHNOM PENH, CAMBODIA

Tropical monsoon climate, occasionally also known as a tropical wet climate or tropical monsoon and trade-wind littoral climate in climate classification, is a relatively rare type of climate. Tropical monsoon climates have monthly mean temperatures above 18�C (64�F) in every month of the year and feature wet and dry seasons, as Tropical savanna climates do. Unlike tropical savanna climates however, a tropical monsoon climate's driest month sees less than 60 mm (2.36 in) of precipitation. Also a tropical monsoon climate tends to see less variance in temperatures during the course of the year than a tropical savanna climate. This climate has a driest month which nearly always occurs at or soon after the "winter" solstice for that side of the equator.

The K�ppen Climate Classification subtype for this climate is "Am". (Tropical Monsoon Climate).

The average temperature for the year in Phnom Penh is 82.0°F (27.8°C). The warmest month, on average, is April with an average temperature of 85.0°F (29.4°C). The coolest month on average is December, with an average temperature of 78.0°F (25.6°C).

The highest recorded temperature in Phnom Penh is 105.0°F (40.6°C), which was recorded in April. The lowest recorded temperature in Phnom Penh is 55.0°F (12.8°C), which was recorded in January.

The average amount of precipitation for the year in Phnom Penh is 54.8" (1391.9 mm). The month with the most precipitation on average is October with 9.9" (251.5 mm) of precipitation. The month with the least precipitation on average is January with an average of 0.3" (7.6 mm). There are an average of 95.0 days of precipitation, with the most precipitation occurring in September with 15.0 days and the least precipitation occurring in January with 1.0 days.

In terms of liquid precipitation, there are an average of 83.6 days of rain, with the most rain occurring in October with 12.7 days of rain, and the least rain occurring in January with 0.7 days of rain.