Rio Dell is a city of approximately 3,400 people in California, United States. Located in the Pacific Time Zone at 40.5°N latitude.
Rio Dell has a temperate oceanic climate. Average annual temperature is 53°F, with January lows around 41°F and July highs near 63°F. The city averages 40 inches of precipitation per year. The wettest month is typically December; the driest is July.
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