GROTTO, WASHINGTON

Under the K�ppen Climate Classification climate classification, "dry-summer subtropical" climates are often referred to as "Mediterranean". This climate zone has an an average temperature above 10�C (50�F) in their warmest months, and an average in the coldest between 18 to -3�C (64 to 27�F). Summers tend to be dry with less than one-third that of the wettest winter month, and with less than 30mm (1.18 in) of precipitation in a summer month. SMany of the regions with Mediterranean climates have relatively mild winters and very warm summers.

The K�ppen Climate Classification subtype for this climate is "Csb". (Mediterran Climate).

The average temperature for the year in Grotto is 49.4°F (9.7°C). The warmest month, on average, is July with an average temperature of 63.4°F (17.4°C). The coolest month on average is January, with an average temperature of 35.1°F (1.7°C).

The highest recorded temperature in Grotto is 102.0°F (38.9°C), which was recorded in August. The lowest recorded temperature in Grotto is -4.0°F (-20°C), which was recorded in January.

The average amount of precipitation for the year in Grotto is 100.8" (2560.3 mm). The month with the most precipitation on average is December with 15.6" (396.2 mm) of precipitation. The month with the least precipitation on average is July with an average of 1.3" (33 mm). There are an average of 184.0 days of precipitation, with the most precipitation occurring in January with 21.0 days and the least precipitation occurring in July with 7.0 days.

In Grotto, there's an average of 75.3" of snow (0 cm). The month with the most snow is January, with 28.3" of snow (71.9 cm).