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Elevation: 6168 feet     Latitude: 20 28N     Longitude: 099 44W
Köppen Classification: Tropical and Subtropical Steppe Climate



This climate type occurs primarily on the periphery of the true deserts in low-latitude semiarid steppe regions. It is transitional to the tropical wet-dry climate on the equatorward side and to the mediterranean climate on its poleward margin, with a cooler, wetter winter resulting from the higher latitude and mid-latitude frontal cyclone activity. Annual precipitation totals are greater than in tropical and subtropical desert climates. Yearly variations in amount are not as extreme as in the true deserts but are nevertheless large.

The Köppen Climate Classification subtype for this climate is "BSk". (Tropical and Subtropical Steppe Climate).

The average temperature for the year in San Joaquin is 60.8°F (16°C). The warmest month, on average, is June with an average temperature of 66.0°F (18.9°C). The coolest month on average is January, with an average temperature of 54.1°F (12.3°C).

The highest recorded temperature in San Joaquin is 100.4°F (38°C), which was recorded in May. The lowest recorded temperature in San Joaquin is 17.6°F (-8°C), which was recorded in December.

The average amount of precipitation for the year in San Joaquin is 16.7" (424.2 mm). The month with the most precipitation on average is August with 3.2" (81.3 mm) of precipitation. The month with the least precipitation on average is December with an average of 0.1" (2.5 mm). In terms of liquid precipitation, there are an average of 52.3 days of rain, with the most rain occurring in August with 7.8 days of rain, and the least rain occurring in March with 1.2 days of rain.

Koppen Chart