July weather forecast
San Ramon, CA

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A street in San Ramon, California, featuring a stunning beauty of golden and brown trees on both sides of the road, during autumn
A street in San Ramon, California, featuring a stunning beauty of golden and brown trees on both sides of the road, during autumn

Weather in July

July, the same as June, is a moderately hot summer month in San Ramon, California, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 55°F (12.8°C).

Temperature

In San Ramon, the peak average temperatures are observed in July, with a high of 83.7°F (28.7°C) and a low of 55°F (12.8°C).

Heat index

For July, the heat index is estimated at a tropical 86°F (30°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

The average relative humidity in July in San Ramon is 58%.

Rainfall

July is the only month when rain does not fall.

Daylight

In San Ramon, the average length of the day in July is 14h and 28min.
On the first day of July in San Ramon, sunrise is at 5:50 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:17 pm PDT.

Sunshine

July has the most sunshine of the year, with an average of 12.1h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

What is the warmest month in San Ramon?

July is the warmest month, with the temperature often reaching an average high of 83.7°F (28.7°C) and an average low of 55°F (12.8°C).

How hot is it in San Ramon in July?

An average high-temperature, in July, in San Ramon, is 83.7°F (28.7°C) and the average low-temperature is 55°F (12.8°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in July in San Ramon?

In July, the average relative humidity in San Ramon is 58%.

What is the driest month in San Ramon?

July is the only month when rain does not fall.

Does it rain in San Ramon in July?

In July, it doesn't rain. June is the latest month when it rains.

How many hours of daylight does San Ramon have in July?

In July, the average day length is 14h and 28min.

What time are sunrise and sunset in July in San Ramon?

In July, on the first day of the month, sunrise is at 5:50 am and sunset at 8:33 pm. On the last day of the month, in San Ramon, California, sunrise is at 6:11 am and sunset at 8:17 pm PDT.

What month has the most sunshine in San Ramon?

July has the most sunshine of the year in San Ramon, with an average of 12.1h of sunshine.

How long on average sun shines in July in San Ramon?

In San Ramon, the average sunshine duration in July is 12.1h.

What are the months with the highest UV index in San Ramon?

The months with the highest UV index in San Ramon are June through August, with an average maximum UV index of 6.

What is the UV index reading in July in San Ramon?

The average daily maximum UV index in July in San Ramon, California, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
San Ramon, CA

Average temperature in July - San Ramon, CA
  • Average high temperature in July: 83.7°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (55.9°F).

  • Average low temperature in July: 55°F

The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).

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Average pressure in July
San Ramon, CA

Average pressure in July - San Ramon, CA
  • Average pressure in July: 29.93"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in July
San Ramon, CA

Average wind speed in July - San Ramon, CA
  • Average wind speed in July: 6.1mph

The windiest month (with the highest average wind speed) is May (6.7mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).

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Average humidity in July
San Ramon, CA

Average humidity in July - San Ramon, CA
  • Average humidity in July: 58%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (57%).

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Average rainfall in July
San Ramon, CA

Average rainfall in July - San Ramon, CA
  • Average rainfall in July: 0"

The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is July (0").

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Average rainfall days in July
San Ramon, CA

Average rainfall days in July - San Ramon, CA
  • Average rainfall days in July: 0.9 days

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.6 days).

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Average daylight in July /
Average sunshine in July
San Ramon, CA

Average daylight in July / Average sunshine in July - San Ramon, CA
  • Average daylight in July: 14h and 3min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in July: 12h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in July
San Ramon, CA

Average sunshine days in July - San Ramon, CA
  • Average sunshine days in July: 29.9 days

The month with the most sunshine days is July (29.9 days).
The month with the least sunshine days is March (17.5 days).

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Average UV index in July
San Ramon, CA

Average UV index in July - San Ramon, CA
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in July
San Ramon, CA

Average cloud cover in July - San Ramon, CA
  • Average cloud cover in July: 6

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 6).

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Average visibility in July
San Ramon, CA

Average visibility in July - San Ramon, 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).

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San Ramon, California, USA

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