July weather forecastSierra Madre, CA
July
Weather in July
July in Sierra Madre, California, is a hot summer month, with an average temperature varying between 86.5°F (30.3°C) and 63.5°F (17.5°C).Temperature
Sierra Madre experiences a transition to a hot 86.5°F (30.3°C) in average high-temperatures with the arrival of July, not greatly differing from June's 81.3°F (27.4°C). Throughout July, Sierra Madre braces for a considerable drop from daytime highs, with an average low-temperature of 63.5°F (17.5°C).Heat index
The heat index value during July is calculated to be a tropical 89.6°F (32°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. 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
In Sierra Madre, the average relative humidity in July is 51%.Rainfall
In Sierra Madre, during July, the rain falls for 3.8 days and regularly aggregates up to 0.28" (7mm) of precipitation. Throughout the year, there are 48.7 rainfall days, and 7.48" (190mm) of precipitation is accumulated.Daylight
In July, the average length of the day is 14h and 10min.On the first day of July, sunrise is at 5:44 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:53 pm PDT.
Sunshine
The month with the most sunshine is July, with an average of 12.1h of sunshine.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: During July, 6 as the daily maximum UV index converts into the following advice:
Ward off overexposure. Defence against solar harm is crucial. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Sierra Madre, CA
- Average high temperature in July: 86.5°F
The warmest month (with the highest average high temperature) is August (88.2°F).
The month with the lowest average high temperature is December (62.1°F).
- Average low temperature in July: 63.5°F
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is December (46.2°F).
Average pressure in July
Sierra Madre, CA
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in July
Sierra Madre, CA
- Average wind speed in July: 4.8mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity in July
Sierra Madre, CA
- Average humidity in July: 51%
The months with the highest relative humidity are March, May and June (56%).
The month with the lowest relative humidity is November (46%).
Average rainfall in July
Sierra Madre, CA
- Average rainfall in July: 0.28"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in July
Sierra Madre, CA
- Average rainfall days in July: 3.8 days
The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.3 days).
Average daylight in July /
Average sunshine in July
Sierra Madre, 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
Sierra Madre, CA
- Average sunshine days in July: 24.8 days
The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (22 days).
Average UV index in July
Sierra Madre, CA
- Average UV index in July: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in July
Sierra Madre, CA
- Average cloud cover in July: 6
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
Sierra Madre, 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).





