San Pedro (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San Pedro.
Climate overview of San Pedro
San Pedro, California, United States of America, experiences moderate temperature changes through the seasons. September is the warmest month with daytime highs of 26°C (79°F), while December is the coolest at 18°C (64°F).
Rainfall is extremely rare, with only 234 mm (9.2 in) falling across the entire year. The most sunshine falls in July, with an average of 12.1 hours of daily sunshine.
San Pedro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Pedro - and find the best time to visit.
Monthly Temperature in San Pedro
In San Pedro, seasonal changes bring about a moderate variation in temperatures. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in September, the warmest time of the year, to a pleasant 18°C (64°F) during cooler months like December.
At night, you can expect temperatures ranging from 18°C (64°F) in September to around 9°C (48°F) during December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San Pedro
San Pedro has a dry climate with very low precipitation, averaging 234 mm (9.2 in) of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives moderate rainfall, averaging 68 mm (2.7 in) of precipitation, recorded across 8 rainy days. In contrast, the driest month August brings less rainfall, with 0.2 mm (0.01 in) over 0 rainy days. For more details, please visit our San Pedro Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in San Pedro
Seasonal changes in sunshine hours are quite dramatic in San Pedro. While July receives considerable daily sunshine with up to 12.1 hours, November marks the darkest time of the year, where sunshine is scarce with only 7.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in San Pedro
The mean water temperature over the year ranges from 14°C (57°F) in January to 18°C (64°F) in August.
Water temperature over the year
Humidity in San Pedro by Month
The relative humidity is high throughout the year in San Pedro.
The city experiences its highest humidity in May, reaching 73%. In November, the humidity drops to its lowest level at 50%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in San Pedro
The average wind speed over the year ranges from 3 m/s (6 knots) to 4 m/s (8 knots). It is lower in January, February, September, October, November and December and higher in March, April, May, June, July and August. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit San Pedro
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, March, April, May, June, July, August, September, October and November
- Warmest weather: July, August and September
- Most sunshine: July and August
- Fewer rainy days: May, June, July, August and September
- Warmest water temperature: July, August, September and October, although the water may still feel cool.
- Seasonal pattern: A distinct dry season from March to November
Frequently asked questions about the climate in San Pedro
What is the best time to visit San Pedro?
January, March, April, May, June, July, August, September, October and November typically offer the most optimal weather in San Pedro. In contrast, February and December tend to have less optimal conditions. San Pedro has a distinct dry season from March to November.
What temperatures can I expect in San Pedro?
Daytime highs range from 18°C (64°F) in December to 26°C (79°F) in September. Nighttime lows range from 9°C (48°F) to 18°C (64°F).
How much rain does San Pedro get?
Annual rainfall is around 234 mm (9.2 in). December is the wettest month with 68 mm (2.7 in), while August is the driest with 0.2 mm (0.01 in).
How sunny is San Pedro?
San Pedro receives around 3,257 hours of sunshine per year. July is the sunniest month with 364 hours, while November is the cloudiest with just 217 hours. Overall, San Pedro enjoys abundant sunshine.
San Pedro 3-Day Forecast
San Pedro (CA) 3-Day Forecast
San Pedro on the map
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