Commerce (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Commerce.
Climate overview of Commerce
Commerce, California, United States of America, experiences moderate temperature changes through the seasons. August is the warmest month with daytime highs of 30°C (86°F), while December is the coolest at 20°C (68°F).
Rainfall is modest, totalling around 274 mm (11 in) annually. The city experiences a distinct dry season from March to November, with very warm summers and pleasant winters. December tends to be the wettest month. The sunniest month is July, with 12.1 hours of sunshine per day on average.
Commerce Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Commerce - and find the best time to visit.
Monthly Temperature in Commerce
In Commerce, seasonal changes bring about a moderate variation in temperatures. Average maximum daytime temperatures range from a very warm 30°C (86°F) in August, the warmest time of the year, to a pleasant 20°C (68°F) during cooler months like December.
At night, you can expect temperatures ranging from 18°C (64°F) in August to around 8°C (46°F) during December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Commerce
With annual rainfall averaging 274 mm (11 in), Commerce maintains relatively low precipitation levels throughout the seasons. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives moderate rainfall, averaging 77 mm (3 in) of precipitation, recorded across 8 rainy days. In contrast, the driest month June brings less rainfall, with 0.2 mm (0.01 in) over 0 rainy days. For more details, please visit our Commerce 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 Commerce
Seasonal changes in sunshine hours are quite dramatic in Commerce. 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 Commerce
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 Commerce by Month
The relative humidity is high throughout the year in Commerce.
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 Commerce
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 Commerce
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, October, November and December
- 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, with very warm summers and pleasant winters
Frequently asked questions about the climate in Commerce
What is the best time to visit Commerce?
January, February, March, April, May, June, July, October, November and December typically offer the most optimal weather in Commerce. In contrast, August and September tend to have less optimal conditions. Commerce has a distinct dry season from March to November, with very warm summers and pleasant winters.
What temperatures can I expect in Commerce?
Daytime highs range from 20°C (68°F) in December to 30°C (86°F) in August. Nighttime lows range from 8°C (46°F) to 18°C (64°F).
How much rain does Commerce get?
Annual rainfall is around 274 mm (11 in). December is the wettest month with 77 mm (3 in), while June is the driest with 0.2 mm (0.01 in).
How sunny is Commerce?
Commerce 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, Commerce enjoys abundant sunshine.
Commerce 3-Day Forecast
Commerce on the map
Commerce is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Kissimmee
33°C (91°F) Orlando33°C (91°F) Miami Beach32°C (90°F) Destin32°C (90°F) New York City
29°C (84°F) Big Bear Lake
27°C (81°F) Los Angeles
24°C (75°F) San Francisco22°C (72°F) 
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