July weather forecast and climate
Rancho Bernardo, CA

Weather in July

July, the same as June, is another warm summer month in Rancho Bernardo, California, with average temperature ranging between max 82.2°F (27.9°C) and min 62.4°F (16.9°C).

Temperature

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

Heat index

The average heat index is estimated at 85.5°F (29.7°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (wind, differences in body mass, height, and shape, metabolic differences). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

The average relative humidity in July is 64%.

Rainfall

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

Daylight

In Rancho Bernardo, California, the average length of the day is 14.1h.

Sunshine

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

UV index

Months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in July 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in July in Rancho Bernardo?

In July, in Rancho Bernardo, the average high-temperature is 82.2°F (27.9°C), and the average low-temperature is 62.4°F (16.9°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines air temperature and relative humidity, in July is appraised at 85.5°F (29.7°C).

What is the average humidity in July in Rancho Bernardo?

In Rancho Bernardo, the average relative humidity in July is 64%.

How many days does it rain in July in Rancho Bernardo?

In Rancho Bernardo, California, in July, during 4.8 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

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

The average length of the day in July in Rancho Bernardo, California, is 14.1h.

What month has the most sunshine in Rancho Bernardo?

The month with the most sunshine in Rancho Bernardo is July, with an average of 12h of sunshine.

How long on average sun shines in July in Rancho Bernardo?

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

What is the month with the highest UV index in Rancho Bernardo?

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

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

The average daily maximum UV index in July in Rancho Bernardo, California, is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.

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"

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

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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: 14.1h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in July: 12h

The month with the most sunshine is July (Average sunshine: 12h).
Months with the least sunshine are January and December (Average sunshine: 6.7).

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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

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

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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