Updated October 2026
Asilomar State Beach: Weather by Month and When to Go
Asilomar State Beach is part of the California state park system. Average highs range from 59°F in December to 71°F in September and October.
Average highs sit between 60°F and 80°F in January through November. They stay below 60°F in December. The figures are NOAA climate normals for 1991–2020, measured at a weather station 5 miles from the park.
Warmest average high
71°F
September and October
Coldest average low
44°F
December
Most precipitation
4.4 in
January
Longest days
14.5 h
June
Asilomar State Beach weather by month
| Month | Average high | Average low | Precipitation | Snowfall | Daylight |
|---|---|---|---|---|---|
| January | 60°F | 45°F | 4.4 in | 0.0 in | 9.8 h |
| February | 61°F | 45°F | 4.0 in | 0.0 in | 10.7 h |
| March | 63°F | 46°F | 3.3 in | 0.2 in | 11.7 h |
| April | 63°F | 47°F | 1.5 in | 0.0 in | 12.9 h |
| May | 64°F | 49°F | 0.6 in | 0.0 in | 13.9 h |
| June | 66°F | 51°F | 0.2 in | 0.0 in | 14.5 h |
| July | 67°F | 53°F | 0.1 in | 0.0 in | 14.3 h |
| August | 69°F | 54°F | 0.1 in | 0.0 in | 13.4 h |
| September | 71°F | 53°F | 0.1 in | 0.0 in | 12.2 h |
| October | 71°F | 52°F | 0.9 in | 0.0 in | 11.0 h |
| November | 64°F | 48°F | 1.8 in | 0.0 in | 10.0 h |
| December | 59°F | 44°F | 3.6 in | 0.1 in | 9.5 h |
Temperature, precipitation and snowfall figures are NOAA climate normals for 1991–2020 from station USC00045795, the nearest station with a complete set of temperature normals, 5 miles from the park. Conditions in the park can differ from the station's, most of all where the two sit at different elevations. Daylight is calculated for the park's latitude at the middle of each month.
What the averages show
- Temperature. September and October are the warmest months, each with an average high of 71°F. December is the coldest month, with an average low of 44°F and an average high of 59°F.
- Precipitation. January is the wettest month, averaging 4.4 inches of precipitation, and July through September are the driest, at 0.1 inches each. An average year brings about 20.6 inches in total.
- Snowfall. The station averages 0.3 inches of snow a year, with the most in March (0.2 inches).
- Daylight. Days run from about 9.5 hours of daylight in December to 14.5 hours in June.
Camping, trails, maps and fees
Whether Asilomar State Beach has camping or cabins, where its trails run, when it opens and what it charges are all published by the agency that runs the park. Its official page is the place to check before a trip.
Official Asilomar State Beach page
For the forecast rather than the averages, the National Weather Service issues a point forecast for the park's location.
Where to stay near Asilomar State Beach
Hotels, cabins and vacation rentals near Asilomar State Beach, with live availability and prices.
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Frequently Asked Questions
September and October are the warmest months, each with an average high of 71°F. December is the coldest month, with an average low of 44°F and an average high of 59°F. These are NOAA 1991–2020 climate normals from a weather station 5 miles from the park.
Average highs sit between 60°F and 80°F in January through November. They stay below 60°F in December.
January is the wettest month, averaging 4.4 inches of precipitation, and July through September are the driest, at 0.1 inches each. An average year brings about 20.6 inches in total. Snowfall averages 0.3 inches a year, with the most in March.
Days run from about 9.5 hours of daylight in December to 14.5 hours in June. The hours are calculated for the park's latitude.
Nearest National Park Service sites
- Pinnacles National Park43 miles away
- Eugene O'Neill National Historic Site83 miles away
- San Francisco Maritime National Historical Park86 miles away
Nearby state parks
- Garrapata State Park11 miles away
- Natural Bridges State Beach24 miles away
- Seacliff State Beach24 miles away
- New Brighton State Beach25 miles away
Distances are measured in a straight line from the park, so the drive is longer.
Sources: NOAA NCEI U.S. Climate Normals 1991–2020; USGS Protected Areas Database for location; the official California state park listing for the park's name.