July weather forecast
Rancho Bernardo, CA

Weather in July

July, like June, in Rancho Bernardo, California, is a moderately hot summer month, with an average temperature varying between 62.4°F (16.9°C) and 82.2°F (27.9°C).

Temperature

In July, the average high-temperature is practically the same as in June - a still warm 82.2°F (27.9°C). The average low-temperature, in July, is 62.4°F (16.9°C).

Heat index

The average heat index in July is calculated to be a hot 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, differences in body mass, height, and shape, pregnancy), and activity. 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 July, the average relative humidity is 64%.

Rainfall

In July, in Rancho Bernardo, California, the rain falls for 4.8 days. Throughout July, 0.39" (10mm) of precipitation is accumulated. Throughout the year, in Rancho Bernardo, California, there are 54.7 rainfall days, and 8.15" (207mm) of precipitation is accumulated.

Daylight

The average length of the day in July in Rancho Bernardo is 14h and 5min.
On the first day of the month, sunrise is at 5:43 am and sunset at 8:01 pm. On the last day of July, in Rancho Bernardo, sunrise is at 6:01 am and sunset at 7:48 pm PDT.

Sunshine

The month with the most sunshine in Rancho Bernardo, California, is July, with an average of 12h 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 threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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 temperature in July in Rancho Bernardo?

The average high-temperature, in July, is 82.2°F (27.9°C), while the average low-temperature is 62.4°F (16.9°C). in July, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in July in Rancho Bernardo?

In July, the average relative humidity is 64%.

How much does it rain in Rancho Bernardo in July?

In Rancho Bernardo, in July, it is raining for 4.8 days, with typically 0.39" (10mm) of accumulated precipitation.

How many hours of daylight does Rancho Bernardo have in July?

In July, the average day length in Rancho Bernardo is 14h and 5min.

When are sunrise and sunset in July in Rancho Bernardo?

On the first day of July in Rancho Bernardo, California, sunrise is at 5:43 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:48 pm PDT.

What month has the most sunshine in Rancho Bernardo?

July has the most sunshine of the year in Rancho Bernardo, California, with an average of 12h of sunshine.

How many hours of sunshine does Rancho Bernardo have in July?

In July, the average sunshine duration in Rancho Bernardo, California, is 12h.

When is the highest UV index in Rancho Bernardo?

June through September, with an average maximum UV index of 6, are months with the highest UV index in Rancho Bernardo, California.

What is the UV index intensity in July in Rancho Bernardo?

In July, the average daily maximum UV index in Rancho Bernardo, California, is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Rancho Bernardo, CA

Average temperature in July - Rancho Bernardo, CA
  • Average high temperature in July: 82.2°F

The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is December (63.9°F).

  • Average low temperature in July: 62.4°F

The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (47.1°F).

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Average pressure in July
Rancho Bernardo, CA

Average pressure in July - Rancho Bernardo, CA
  • Average pressure in July: 29.9"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.87"Hg).

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Average wind speed in July
Rancho Bernardo, CA

Average wind speed in July - Rancho Bernardo, CA
  • Average wind speed in July: 4.7mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are September and October (4.3mph).

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Average humidity in July
Rancho Bernardo, CA

Average humidity in July - Rancho Bernardo, CA
  • Average humidity in July: 64%

The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is November (54%).

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Average rainfall in July
Rancho Bernardo, CA

Average rainfall in July - Rancho Bernardo, CA
  • Average rainfall in July: 0.39"

The wettest month (with the highest rainfall) is February (1.61").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in July
Rancho Bernardo, CA

Average rainfall days in July - Rancho Bernardo, CA
  • Average rainfall days in July: 4.8 days

The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.6 days).

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Average daylight in July /
Average sunshine in July
Rancho Bernardo, CA

Average daylight in July / Average sunshine in July - Rancho Bernardo, CA
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 1min).

  • Average sunshine in July: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 42min).

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Average sunshine days in July
Rancho Bernardo, CA

Average sunshine days in July - Rancho Bernardo, CA
  • Average sunshine days in July: 23.8 days

The month with the most sunshine days is June (27 days).
The month with the least sunshine days is February (21.2 days).

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Average UV index in July
Rancho Bernardo, CA

Average UV index in July - Rancho Bernardo, 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).

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Average cloud cover in July
Rancho Bernardo, CA

Average cloud cover in July - Rancho Bernardo, CA
  • Average cloud cover in July: 9

The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in July
Rancho Bernardo, CA

Average visibility in July - Rancho Bernardo, 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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