July weather forecastCommerce, CA
July
Weather in July
July, like June, in Commerce, California, is another warm summer month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 83.3°F (28.5°C).Temperature
Commerce observes a minor difference in average high-temperatures between June's 78.1°F (25.6°C) and July's 83.3°F (28.5°C). Throughout July, the temperature falls to an average low of 64°F (17.8°C).Heat index
For most parts of July, the heat index is computed to be a tropical 86°F (30°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.The standards for the heat index are set for locations in shade and under light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
The average relative humidity in July in Commerce is 58%.Rainfall
In Commerce, during July, the rain falls for 2.3 days and regularly aggregates up to 0.12" (3mm) of precipitation. In Commerce, during the entire year, the rain falls for 48.3 days and collects up to 7.91" (201mm) of precipitation.Daylight
In July, the average length of the day is 14h and 10min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:07 pm. On the last day of July, sunrise is at 6:04 am and sunset at 7:53 pm PDT.
Sunshine
With an average of 12.1h of sunshine, July has the most sunshine of the year in Commerce.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 6 during July leads to these instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Commerce, CA
- Average high temperature in July: 83.3°F
The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is December (64.4°F).
- Average low temperature in July: 64°F
The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (49.3°F).
Average pressure in July
Commerce, CA
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in July
Commerce, CA
- Average wind speed in July: 5mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.7mph).
Average humidity in July
Commerce, CA
- Average humidity in July: 58%
The month with the highest relative humidity is June (63%).
The month with the lowest relative humidity is November (48%).
Average rainfall in July
Commerce, CA
- Average rainfall in July: 0.12"
The wettest month (with the highest rainfall) is February (1.73").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in July
Commerce, CA
- Average rainfall days in July: 2.3 days
The month with the highest number of rainy days is March (7.2 days).
The months with the least rainy days are June and August (1.3 days).
Average daylight in July /
Average sunshine in July
Commerce, CA
- Average daylight in July: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in July: 12h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in July
Commerce, CA
- Average sunshine days in July: 27 days
The month with the most sunshine days is August (27.7 days).
The month with the least sunshine days is February (20.6 days).
Average UV index in July
Commerce, CA
- Average UV index in July: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in July
Commerce, CA
- Average cloud cover in July: 7
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in July
Commerce, CA
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
