July weather forecast and climate
Spring Valley, CA

Weather in July

July, like June, in Spring Valley, California, is a moderately hot summer month, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 64°F (17.8°C).

Temperature

In Spring Valley, the average high-temperature in July is essentially the same as in June - a still warm 80.6°F (27°C). The average low-temperature, in Spring Valley, is 64°F (17.8°C).

Heat index

In July, the average heat index is evaluated at 83.1°F (28.4°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. 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', 'apparent temperature', 'felt air temperature', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like clothing, differences in body mass, height, and shape, pregnancy, and activity influence one's weather impression. 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

In July, the average relative humidity in Spring Valley is 64%.

Rainfall

June, July and October are months with the least rain in Spring Valley when the rain falls for 2 days and typically aggregates up to 0.04" (1mm) of rain.

Daylight

In July, the average length of the day is 14.1h.

Sunshine

The month with the most sunshine is July, with an average of 12.1h of sunshine.

UV index

June through September, 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 vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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 Spring Valley?

In July, in Spring Valley, California, the average high-temperature is 80.6°F (27°C), and the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), that combines air temperature and relative humidity, in July is evaluated at 83.1°F (28.4°C).

What is the average humidity in July in Spring Valley?

In Spring Valley, California, the average relative humidity in July is 64%.

How many days does it rain in July in Spring Valley?

In July, in Spring Valley, California, the rain falls for 2 days. Throughout July, 0.04" (1mm) of precipitation is accumulated.

What is the driest month in Spring Valley?

June, July and October are months with the least rain in Spring Valley when the rain falls for 2 days and typically aggregates up to 0.04" (1mm) of rain.

What is the average length of the day in July in Spring Valley?

The average length of the day in July is 14.1h.

What month has the most sunshine in Spring Valley?

July has the most sunshine of the year in Spring Valley, California, with an average of 12.1h of sunshine.

How many hours of sunshine does Spring Valley have in July?

In July, the average sunshine is 12.1h.

When is the highest UV index in Spring Valley?

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

How high is the UV index in July in Spring Valley?

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

Average temperature in July
Spring Valley, CA

Average temperature in July - Spring Valley, CA
  • Average high temperature in July: 80.6°F

The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (64.4°F).

  • Average low temperature in July: 64°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).

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Average pressure in July
Spring Valley, CA

Average pressure in July - Spring Valley, CA
  • Average pressure in July: 29.9"

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

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Average wind speed in July
Spring Valley, CA

Average wind speed in July - Spring Valley, CA
  • Average wind speed in July: 4.9mph

The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).

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Average humidity in July
Spring Valley, CA

Average humidity in July - Spring Valley, CA
  • Average humidity in July: 64%

The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is November (54%).

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Average rainfall in July
Spring Valley, CA

Average rainfall in July - Spring Valley, CA
  • Average rainfall in July: 0.04"

The wettest month (with the highest rainfall) is February (0.55").
The driest months (with the least rainfall) are June, July and October (0.04").

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Average rainfall days in July
Spring Valley, CA

Average rainfall days in July - Spring Valley, CA
  • Average rainfall days in July: 2 days

The month with the highest number of rainy days is March (5.3 days).
The month with the least rainy days is June (0.8 days).

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Average daylight in July /
Average sunshine in July
Spring Valley, CA

Average daylight in July / Average sunshine in July - Spring Valley, 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: 12.1h

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are February and December (Average sunshine: 6.7).

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Average sunshine days in July
Spring Valley, CA

Average sunshine days in July - Spring Valley, CA
  • Average sunshine days in July: 28.4 days

The month with the most sunshine days is October (28.9 days).
The month with the least sunshine days is February (23.4 days).

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Average UV index in July
Spring Valley, CA

Average UV index in July - Spring Valley, 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
Spring Valley, CA

Average cloud cover in July - Spring Valley, CA
  • Average cloud cover in July: 9

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

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Average visibility in July
Spring Valley, CA

Average visibility in July - Spring Valley, 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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