July weather forecast and climate
San Ramon, CA

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

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

Heat index

The average heat index is calculated to a hot 86.5°F (30.3°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, wind, clothing, and differences in body mass, height, and shape affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

The only month without rainfall is July.

Daylight

In July, the average length of the day in San Ramon, California, is 14.5h.

Sunshine

July has the most sunshine of the year in San Ramon, 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 value of 6 to 7 symbolizes a high health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in San Ramon?

With an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 55°F (12.8°C), July is the warmest month in San Ramon, California.

What is the temperature in July in San Ramon?

In San Ramon, in July, the average high-temperature is 83.7°F (28.7°C), and the average low-temperature is 55°F (12.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, in July is evaluated at 86.5°F (30.3°C).

What is the average humidity in July in San Ramon?

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

Does it rain in San Ramon in July?

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

What is the driest month in San Ramon?

The only month without rainfall in San Ramon is July.

What is the average length of the day in July in San Ramon?

In July, the average length of the day in San Ramon, California, is 14.5h.

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 many hours of sunshine does San Ramon have in July?

The average sunshine in July in San Ramon is 12.1h.

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

Months with the highest UV index are June through August, with an average maximum UV index of 6.

How high is the UV index in July in San Ramon?

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to the UV radiation.

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"

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

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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: 14.5h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in July: 12.1h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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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

Months with the highest UV index are June, July and August (UV index 6).
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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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