Weather is mild all year: NOAA's 1991–2020 normals for Monterey Airport give highs of 61.6°F in December and 70.9°F in September. May to September is nearly dry (0.02–0.51 inches), while December to February are the wettest months at 2.83–3.49 inches. Choose by crowds and budget; we have no verified dataset for either.
Month-by-month climate table
| Month | Normal high | Normal low | Normal precipitation | Dated events (verified) |
|---|---|---|---|---|
| January | 61.6°F | 43.3°F | 3.49 in | — |
| February | 62.1°F | 45.2°F | 3.03 in | — |
| March | 62.5°F | 45.9°F | 2.80 in | — |
| April | 63.3°F | 47.4°F | 1.03 in | — |
| May | 65.4°F | 49.9°F | 0.51 in | — |
| June | 67.9°F | 52.2°F | 0.13 in | — |
| July | 68.9°F | 54.2°F | 0.02 in | — |
| August | 70.0°F | 55.0°F | 0.02 in | — |
| September | 70.9°F | 53.8°F | 0.07 in | — |
| October | 69.8°F | 50.8°F | 0.86 in | — |
| November | 65.2°F | 45.8°F | 1.45 in | Big Sur Food & Wine, Nov 5–7; Monterey Bay Half Marathon, Nov 7–8; Cannery Row Tree Lighting, Nov 27 |
| December | 61.6°F | 42.7°F | 2.83 in | Pacific Grove Parade of Lights, Dec 3; Christmas on the Wharf, Dec 4–20; Christmas in the Adobes, Dec 11–12 |
Source: NOAA NCEI U.S. Climate Normals 1991–2020, Monterey Airport (USW00023259), retrieved October 16, 2026. Normals are 30-year averages; actual weather varies. Event dates are from the organizers and visitor sites listed below.
How to choose your month
- Warmest: August–October (highs 69.8–70.9°F).
- Coolest: December–February (highs 61.6–62.1°F; lows 42.7–45.2°F).
- Driest: May–September (0.02–0.51 inches a month).
- Wettest: December–February (2.83–3.49 inches a month).
Limits of this guide
Normals describe typical conditions, not forecasts, and we have no verified dataset for crowds, fog or hotel prices by month, so this page makes no such claims. Use the National Weather Service for forecasts.