Monterey · WinterMonth summary
Monterey weather in December
✅ Good
🌡️ Temperature min / max
9°C – 14°C
🌧 Rainy days
31% of days
☀️ Sunshine
7.1h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
7.1/10
📅 📅 Best month
September (8.3/10)
Quick decision
Should you visit Monterey in December?
✅ Good
✅ Yes if: you prefer museums and gastronomy — it's cool at 14°C.
❌ No if: you're looking for beach weather — it's not the right season.
Our take: December is a good time to visit Monterey. September remains slightly better (+1.2 pts).
By trip type
Monterey in December by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in December
In December, Monterey sees 14°C during the day with 7.1h of sunshine per day. Expect rain on 31% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. September (8.3/10) is significantly better if possible.
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All months for Monterey
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 9°C | 15°C | 26% | 103.4 | 7.4h | 7.2/10 |
| ⛅ February | 9°C | 15°C | 26% | 80.8 | 9.8h | 7.2/10 |
| ⛅ March | 9°C | 15°C | 34% | 91.8 | 9.3h | 7.1/10 |
| ⛅ April | 10°C | 14°C | 14% | 29.8 | 11.1h | 7.2/10 |
| ⛅ May | 11°C | 15°C | 10% | 17.6 | 11.6h | 7.4/10 |
| ⛅ June | 12°C | 17°C | 2% | 3.0 | 12.6h | 7.9/10 |
| ⛅ July | 12°C | 17°C | 1% | 1.8 | 11.8h | 7.9/10 |
| 🌤️ August | 14°C | 18°C | 0% | 1.1 | 11.1h | 8.2/10 |
| 🌤️ September | 14°C | 19°C | 3% | 6.0 | 11.1h | 8.3/10 |
| 🌤️ October | 13°C | 19°C | 9% | 20.9 | 9.6h | 8.1/10 |
| ⛅ November | 10°C | 17°C | 20% | 53.6 | 8.9h | 7.5/10 |
| ⛅ December | 9°C | 14°C | 31% | 113.9 | 7.1h | 7.1/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In December, Monterey averages 14°C, 31% rainy days and 7.1h of sunshine per day. Overall weather score: 7.1/10.
See methodology →
Comparison
December vs September (best month)
The best month is September (score 8.3/10). Difference:
- 🌡️ Max temperature : +5°C
- 🌧 Rainy days : -28%
- ☀️ Sunshine : +4.0h/day
FAQ
FAQ — Monterey in December
Is December a good time to visit Monterey?
December is an acceptable time for Monterey (score 7.1/10). Conditions are decent but not optimal — consider September (8.3/10) if possible.
What's the weather like in Monterey in December?
It's cool with 14°C daytime and 9°C at night. 7.1h of sunshine per day. Pack warm clothes and favour indoor visits.
Accommodation
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Activities & tours
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