Harbor City (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Harbor City.
Climate overview of Harbor City
Harbor City, California, United States of America, has a moderate seasonal temperature range, with September reaching 27°C (81°F) and December cooling to 19°C (66°F).
Rainfall is extremely rare, with only 231 mm (9.1 in) falling across the entire year. The sunniest month is July, with 12.1 hours of sunshine per day on average.
Harbor City Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Harbor City - and find the best time to visit.
Monthly Temperature in Harbor City
The climate in Harbor City experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a comfortable 27°C (81°F) in September, the warmest time of the year, to a pleasant 19°C (66°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 Harbor City
Harbor City experiences desert-like conditions in terms of precipitation with almost no rainfall, generally receiving 231 mm (9.1 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives moderate rainfall, averaging 65 mm (2.6 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 Harbor City 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 Harbor City
Seasonal changes in sunshine hours are quite dramatic in Harbor City. 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 Harbor City
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 Harbor City by Month
The relative humidity is high throughout the year in Harbor City.
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 Harbor City
The mean wind speed over the year ranges from 3 m/s (6 knots) in January, February, September, October, November and December to 4 m/s (8 knots) 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 Harbor City
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, 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 Harbor City
What is the best time to visit Harbor City?
January, February, March, April, May, June, July, August, September, October and November typically offer the most optimal weather in Harbor City. In contrast, December tends to have less optimal conditions. Harbor City has a distinct dry season from March to November.
What temperatures can I expect in Harbor City?
Daytime highs range from 19°C (66°F) in December to 27°C (81°F) in September. Nighttime lows range from 9°C (48°F) to 18°C (64°F).
How much rain does Harbor City get?
Annual rainfall is around 231 mm (9.1 in). December is the wettest month with 65 mm (2.6 in), while August is the driest with 0.2 mm (0.01 in).
How sunny is Harbor City?
Harbor City 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, Harbor City enjoys abundant sunshine.
Harbor City 3-Day Forecast
Harbor City (CA) 3-Day Forecast
Harbor City on the map
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