ROCK RIVER, WYOMING

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 Rock River is 40.4°F (4.7°C). The warmest month, on average, is July with an average temperature of 65.2°F (18.4°C). The coolest month on average is January, with an average temperature of 17.3°F (-8.2°C).

The highest recorded temperature in Rock River is 100.0°F (37.8°C), which was recorded in July. The lowest recorded temperature in Rock River is -46.0°F (-43.3°C), which was recorded in January.

The average amount of precipitation for the year in Rock River is 12.4" (315 mm). The month with the most precipitation on average is May with 1.8" (45.7 mm) of precipitation. The month with the least precipitation on average is November with an average of 0.5" (12.7 mm). There are an average of 69.0 days of precipitation, with the most precipitation occurring in May with 10.0 days and the least precipitation occurring in October with 4.0 days.

In Rock River, there's an average of 60.8" of snow (0 cm). The month with the most snow is March, with 12.8" of snow (32.5 cm).