July weather forecastSan Marino, CA
July
Weather in July
July, the same as June, is a moderately hot summer month in San Marino, California, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 85.5°F (29.7°C).Temperature
San Marino records a slight change with July's average high-temperatures adjusting to a still moderately hot 85.5°F (29.7°C) from June's 80.2°F (26.8°C). San Marino endures a clear shift from daytime heat to a mean low-temperature of 63.3°F (17.4°C) during July nights.Heat index
July's heat index is computed to be a tropical 87.8°F (31°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in July is 54%.Rainfall
In San Marino, during July, the rain falls for 3.6 days and regularly aggregates up to 0.24" (6mm) of precipitation. In San Marino, during the entire year, the rain falls for 45 days and collects up to 6.61" (168mm) of precipitation.Daylight
The average length of the day in July is 14h and 10min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:08 pm. On the last day of July, sunrise is at 6:03 am and sunset at 7:54 pm PDT.
Sunshine
With an average of 12.1h of sunshine, July has the most sunshine of the year.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during July translates into the following directions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
San Marino, CA
- Average high temperature in July: 85.5°F
The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in July: 63.3°F
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is February (47.1°F).
Average pressure in July
San Marino, 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
San Marino, CA
- Average wind speed in July: 4.8mph
The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity in July
San Marino, CA
- Average humidity in July: 54%
The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (47%).
Average rainfall in July
San Marino, CA
- Average rainfall in July: 0.24"
The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in July
San Marino, CA
- Average rainfall days in July: 3.6 days
The month with the highest number of rainy days is March (5.8 days).
The month with the least rainy days is June (1.2 days).
Average daylight in July /
Average sunshine in July
San Marino, 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 54min).
Average sunshine days in July
San Marino, CA
- Average sunshine days in July: 24.8 days
The month with the most sunshine days is June (27.1 days).
The month with the least sunshine days is February (22.3 days).
Average UV index in July
San Marino, 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
San Marino, CA
- Average cloud cover in July: 6
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in July
San Marino, 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).
