Updated October 2026
Cabrillo National Monument Weather by Month
Cabrillo National Monument is warmest in August, when the nearest NOAA climate station averages a high of 77°F and a low of 67°F, and coldest in December, with an average high of 66°F and an average low of 49°F. February is the wettest month, with about 1.9 inches of precipitation.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 2.3 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Cabrillo National Monument can differ from these, particularly with elevation.
Warmest month
Aug
77°F avg high
Coldest month
Dec
49°F avg low
Wettest month
Feb
1.9 in avg
Longest days
Jun
14.1 h of daylight
Average weather at Cabrillo by month
| Month | Avg high | Avg low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 66°F | 49°F | 1.7 in | 10.1 h |
| February | 66°F | 51°F | 1.9 in | 10.8 h |
| March | 67°F | 53°F | 1.5 in | 11.8 h |
| April | 68°F | 55°F | 0.6 in | 12.8 h |
| May | 69°F | 59°F | 0.5 in | 13.7 h |
| June | 71°F | 62°F | 0.1 in | 14.1 h |
| July | 74°F | 65°F | 0.1 in | 14.0 h |
| August | 77°F | 67°F | 0.0 in | 13.2 h |
| September | 77°F | 65°F | 0.2 in | 12.2 h |
| October | 75°F | 60°F | 0.6 in | 11.2 h |
| November | 71°F | 54°F | 0.8 in | 10.3 h |
| December | 66°F | 49°F | 1.5 in | 9.9 h |
| Year total | 9.5 in |
NOAA 1991–2020 climate normals from station USW00093112, 2.3 miles from the park's reference point. The station's snowfall normal is zero in all twelve months. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Cabrillo is at that time of year.
Cabrillo weather by season
Winter: December to February
Average highs hold near 66°F in all three months, with average lows near 50°F. Together the three months average 5.1 inches of precipitation, about 54% of the yearly total and more than in any other season. Daylight is at its shortest, about 9.9 hours in December.
Spring: March to May
Average highs hold near 68°F in all three months, with average lows between 53°F and 59°F. Together the three months average 2.6 inches of precipitation, about 27% of the yearly total. Daylight lengthens from about 11.8 hours in March to 13.7 in May.
Summer: June to August
Average highs climb from 71°F in June to 77°F in August, with average lows between 62°F and 67°F. Together the three months average 0.2 inches of precipitation, about 2% of the yearly total and less than in any other season. Daylight is at its longest, about 14.1 hours in June.
Fall: September to November
Average highs fall from 77°F in September to 71°F in November, with average lows between 54°F and 65°F. Together the three months average 1.6 inches of precipitation, about 17% of the yearly total. Daylight shortens from about 12.2 hours in September to 10.3 in November.
What the National Park Service says about the weather
Check the current weather from the National Weather Service at https://www.weather.gov/. San Diego's climate is characterized by warm, dry summers and mild winters, with most of the annual precipitation falling between December and March. The city has a mild climate year-round, with an average of 201 days above 70 °F (21 °C) and low rainfall (9–13 inches [230–330 mm] annually).
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Cabrillo
Averages describe a typical month, not this week. For current conditions and the seven-day outlook, the National Weather Service issues a forecast for the park's reference point at 32.67°N, 117.24°W. It covers that one spot, so other elevations in the park can differ from it, as they do from the averages above.
National Weather Service forecast for Cabrillo National Monument →
Weather and crowds together
August, the warmest month, sees about 1.1× the visitors of the park's average month. July is the busiest month of the year and September the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Cabrillo National Monument. For hotels, cabins and rentals close to the park, see where to stay near Cabrillo.
Where to stay near Cabrillo
Picked a month for Cabrillo National Monument? Compare hotels, cabins and vacation rentals near the park with live availability and prices.
Top-rated places to stay near Cabrillo
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Frequently Asked Questions
August is the warmest month at Cabrillo National Monument, with an average high of 77°F and an average low of 67°F. That is the 1991–2020 average at the nearest long-record NOAA station, 2.3 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
December is the coldest month at Cabrillo National Monument, with an average low of 49°F and an average high of 66°F, based on NOAA 1991–2020 climate normals.
February is the wettest month, with about 1.9 inches of precipitation. August is the driest, averaging close to zero. The station records about 9.5 inches of precipitation in an average year.
The nearest long-record NOAA station, 2.3 miles from the park's reference point, shows no measurable snowfall in any month of its 1991–2020 normals.
Weather at nearby parks
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USW00093112), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (1979–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.