Content
SEND FEEDBACK

Monthly
All Data
Daily
Averages
United States of America

UMATILLA, OREGON


Home > North America > United States > Oregon
Elevation: 699 feet     Latitude: 45 57N     Longitude: 119 18W
Köppen Classification: Tropical and Subtropical Steppe Climate

WEATHER
 
SHARE

PRINT THIS DATA

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 Umatilla is 54.1°F (12.3°C). The warmest month, on average, is July with an average temperature of 75.0°F (23.9°C). The coolest month on average is January, with an average temperature of 34.4°F (1.3°C).

The highest recorded temperature in Umatilla is 111.0°F (43.9°C), which was recorded in August. The lowest recorded temperature in Umatilla is -22.0°F (-30°C), which was recorded in January.

The average amount of precipitation for the year in Umatilla is 7.8" (198.1 mm). The month with the most precipitation on average is January with 1.1" (27.9 mm) of precipitation. The month with the least precipitation on average is July with an average of 0.2" (5.1 mm). There are an average of 78.0 days of precipitation, with the most precipitation occurring in December with 11.0 days and the least precipitation occurring in July with 2.0 days.

In Umatilla, there's an average of 2.7" of snow (0 cm). The month with the most snow is January, with 1.2" of snow (3 cm).



Koppen Chart





STORIES FROM OUR PARTNERS