Monterey Weather in December

December in Monterey brings moderate temperatures around 14°C (57°F) during the day, dropping to 6°C (43°F) at night, with the most rainfall of the year.

Rainfall in Monterey in December

Since this is the rainiest month of the year, it's a good idea to carry an umbrella just in case. Typically around 11 days of rainfall are expected, averaging 80 mm (3.1 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Monterey in December

Daytime highs in Monterey in December reach 14°C (57°F), with nights around 6°C (43°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. With the most moderate temperatures of the year, December offers a break from extremes.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Monterey. Our weather planner can help you explore destinations with more pleasant weather conditions.