With a population of around 12,300, Cornelius sits in Oregon, United States. The city operates in the Pacific Time Zone.
Across a typical year Cornelius sees about 42 inches of precipitation, with December the wettest month and July the driest. Temperatures range from January lows near 34°F up to July highs around 81°F, averaging 53°F annually — characteristic of a temperate oceanic climate.
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