THIRTYMILE, OREGON

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 Thirtymile is 47.6°F (8.7°C). The warmest month, on average, is July with an average temperature of 66.8°F (19.3°C). The coolest month on average is January, with an average temperature of 30.0°F (-1.1°C).

The highest recorded temperature in Thirtymile is 111.0°F (43.9°C), which was recorded in July. The lowest recorded temperature in Thirtymile is -24.0°F (-31.1°C), which was recorded in January.

The average amount of precipitation for the year in Thirtymile is 13.3" (337.8 mm). The month with the most precipitation on average is November with 1.7" (43.2 mm) of precipitation. The month with the least precipitation on average is July with an average of 0.4" (10.2 mm). There are an average of 94.0 days of precipitation, with the most precipitation occurring in November with 12.0 days and the least precipitation occurring in July with 3.0 days.

In Thirtymile, there's an average of 28.8" of snow (0 cm). The month with the most snow is January, with 8.7" of snow (22.1 cm).