Monte Rio is a city of approximately 1,200 people in California, United States. Located in the Pacific Time Zone at 38.5°N latitude.
Across a typical year Monte Rio sees about 29 inches of precipitation, with February the wettest month and August the driest. Temperatures range from January lows near 45°F up to July highs around 62°F, averaging 54°F annually — characteristic of a temperate oceanic climate.
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