December · United States
Best time to visit Monterey in December Weather, crowds & prices
Weather in Monterey in December
Average temperature 12°C, 101 mm of rain, about 1 days with 6+ hours of sunshine and 84% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
5.3/10
Ranked #12 of 12 months
- Avg temp
- 12°C
- Rainfall
- 101 mm
- Humidity
- 84%
- Days with 6h+ sun
- 1
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Monterey scores 5.3/10 for nature and wildlife travel - ranked #12 of 12. Expect around 12°C, 101 mm of rain, and roughly 1 days with 6+ hours of sunshine this month.
Monterey's aquarium, Cannery Row and coastal trail anchor California's central coast.
December in Monterey — workable with trade-offs
Temperatures hover around 12°C (54°F) — the kind of month where neither heat nor cold forces the schedule.
101 mm of rain signals a properly wet month, with only about 1 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 5.3/10 on the same scale — 12th of 12 months, versus 9.5/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, June is materially better in Monterey — 4.2 points higher on the same scale.
Frequently asked
- What is the weather like in Monterey in December?
- In December, Monterey averages 12°C, 101 mm of rain, and about 1 days with 6+ hours of sunshine. Its climate-comfort score is 5.3/10.
- Is December a good time to visit Monterey?
- December earns a 5.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Monterey in December?
- Expect about 101 mm of rain in December. Average humidity is 84% and there are about 1 days with 6+ hours of sunshine.
Curated in Monterey
Tickets & experiences
Things to do in Monterey
Monterey, United States. Live activities and tours from GetYourGuide, matched to this destination.