Monterey, USA

Set under maritime skies, Monterey (USA) is best understood through its weather data: our 2015–2024 climate record puts its peak at an 89/100 sun score in September, exactly the kind of reliability you want for a trip built around landscapes and trails.

September is the heat peak, averaging 19°C highs; March is the cool end, when nights dip to around 8°C. The wet–dry contrast is pronounced: 38% rain-day odds in March against 0% in August. Note that average highs never reach 24°C in any month — pack for mild weather rather than hot.

Averaged by season, sun scores land at 66 for spring, 84 for summer, 82 for autumn and 57 for winter — with typical afternoons of 15°, 17°, 18° and 15°C respectively. In short: plan around summer if you can, keep autumn as the fallback, and go into winter with managed expectations (its season score is 57).

Best months to visit Monterey

Our month-by-month scoring puts September first (89/100), with August (87) and October (86) close behind. The dependable window is wider than the podium, though: May–November all score 70 or better. Skip January if sunshine is the point — it bottoms out at 54/100.

For context: in September, Monterey is drier than 90% of the ocean destinations we track.

Month-by-month breakdown for Monterey → · More destinations for September →

As of the latest refresh, Monterey's next 16 days span 8°C to 28°C; 6 days look mostly sunny while none look likely to be wet — a live sun score of 91/100.