CASTLE TOWN, MONTANA

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 Castle Town is 42.2°F (5.7°C). The warmest month, on average, is July with an average temperature of 64.9°F (18.3°C). The coolest month on average is December, with an average temperature of 22.1°F (-5.5°C).

The highest recorded temperature in Castle Town is 99.0°F (37.2°C), which was recorded in July. The lowest recorded temperature in Castle Town is -46.0°F (-43.3°C), which was recorded in December.

The average amount of precipitation for the year in Castle Town is 12.8" (325.1 mm). The month with the most precipitation on average is June with 2.5" (63.5 mm) of precipitation. The month with the least precipitation on average is January with an average of 0.4" (10.2 mm). There are an average of 88.0 days of precipitation, with the most precipitation occurring in June with 12.0 days and the least precipitation occurring in February with 4.0 days.

In Castle Town, there's an average of 39.0" of snow (0 cm). The month with the most snow is March, with 7.7" of snow (19.6 cm).