Updated October 2026
San Clemente State Beach: Weather by Month and When to Go
San Clemente State Beach is part of the California state park system. Average highs range from 67°F in December to 81°F in August and September.
Average highs sit between 60°F and 80°F in October through July. They run above 80°F in August and September. The figures are NOAA climate normals for 1991–2020, measured at a weather station 14.2 miles from the park.
Warmest average high
81°F
August and September
Coldest average low
44°F
December and January
Most precipitation
3.4 in
February
Longest days
14.2 h
June
San Clemente State Beach weather by month
| Month | Average high | Average low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 68°F | 44°F | 2.8 in | 10.0 h |
| February | 68°F | 45°F | 3.4 in | 10.8 h |
| March | 69°F | 48°F | 1.6 in | 11.8 h |
| April | 73°F | 50°F | 0.8 in | 12.8 h |
| May | 75°F | 55°F | 0.2 in | 13.7 h |
| June | 76°F | 58°F | 0.1 in | 14.2 h |
| July | 80°F | 60°F | 0.1 in | 14.0 h |
| August | 81°F | 61°F | 0.0 in | 13.2 h |
| September | 81°F | 59°F | 0.2 in | 12.2 h |
| October | 77°F | 55°F | 0.5 in | 11.2 h |
| November | 72°F | 49°F | 1.1 in | 10.2 h |
| December | 67°F | 44°F | 1.9 in | 9.8 h |
Temperature and precipitation figures are NOAA climate normals for 1991–2020 from station USC00044647, the nearest station with a complete set of temperature normals, 14.2 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. August and September are the warmest months, each with an average high of 81°F. December and January are the coldest months, each with an average low of 44°F.
- Precipitation. February is the wettest month, averaging 3.4 inches of precipitation, and August is the driest, at 0.0 inches. An average year brings about 12.7 inches in total.
- Snowfall. The station's snowfall normal is 0.0 inches in every month.
- Daylight. Days run from about 9.8 hours of daylight in December to 14.2 hours in June.
Camping, trails, maps and fees
Whether San Clemente 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 San Clemente State Beach page
For the forecast rather than the averages, the National Weather Service issues a point forecast for the park's location.
National Weather Service forecast for San Clemente State Beach
Where to stay near San Clemente State Beach
Hotels, cabins and vacation rentals near San Clemente State Beach, with live availability and prices.
Top-rated places to stay near San Clemente State Beach
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Frequently Asked Questions
August and September are the warmest months, each with an average high of 81°F. December and January are the coldest months, each with an average low of 44°F. These are NOAA 1991–2020 climate normals from a weather station 14.2 miles from the park.
Average highs sit between 60°F and 80°F in October through July. They run above 80°F in August and September.
February is the wettest month, averaging 3.4 inches of precipitation, and August is the driest, at 0.0 inches. An average year brings about 12.7 inches in total. The station's snowfall normal is 0.0 inches in every month.
Days run from about 9.8 hours of daylight in December to 14.2 hours in June. The hours are calculated for the park's latitude.
Nearest National Park Service sites
- Cabrillo National Monument55 miles away
- Santa Monica Mountains National Recreation Area82 miles away
- Joshua Tree National Park107 miles away
Nearby state parks
- Doheny State Beach6 miles away
- Crystal Cove State Park17 miles away
- Carlsbad State Beach23 miles away
- South Carlsbad State Beach26 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.