July weather forecast and climate
Sierra Vista, CA

Weather in July

July is a very hot summer month in Sierra Vista, California, with average temperature varying between 100°F (37.8°C) and 65.8°F (18.8°C).

Temperature

With an average high-temperature of 100°F (37.8°C) and an average low-temperature of 65.8°F (18.8°C), July is the warmest month.

Humidity

The least humid month in Sierra Vista is July, with an average relative humidity of 31%.

Rainfall

In July, in Sierra Vista, the rain falls for 2 days. Throughout July, 0.08" (2mm) of precipitation is accumulated. Throughout the year, in Sierra Vista, there are 51 rainfall days, and 7.56" (192mm) of precipitation is accumulated.

Daylight

The average length of the day in July is 14.4h.

Sunshine

With an average of 12.2h of sunshine, July has the most sunshine of the year in Sierra Vista.

UV index

Months with the highest UV index in Sierra Vista are June through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 7 in July transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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 warmest month in Sierra Vista?

July is the warmest month in Sierra Vista, California, with an average high-temperature of 100°F (37.8°C) and an average low-temperature of 65.8°F (18.8°C).

What is the temperature in July in Sierra Vista?

In July, in Sierra Vista, the average high-temperature is 100°F (37.8°C), and the average low-temperature is 65.8°F (18.8°C).

What is the least humid month in Sierra Vista?

July is the least humid month in Sierra Vista, with an average relative humidity of 31%.

What is the average humidity in July in Sierra Vista?

In July, the average relative humidity in Sierra Vista, California, is 31%.

How much does it rain in Sierra Vista in July?

In Sierra Vista, in July, it is raining for 2 days, with typically 0.08" (2mm) of accumulated precipitation.

What is the average length of the day in July in Sierra Vista?

The average length of the day in July is 14.4h.

What month has the most sunshine in Sierra Vista?

July has the most sunshine of the year in Sierra Vista, with an average of 12.2h of sunshine.

How many hours of sunshine does Sierra Vista have in July?

The average sunshine in July is 12.2h.

What is the month with the highest UV index in Sierra Vista?

June through August, with an average maximum UV index of 7, are months with the highest UV index in Sierra Vista, California.

What is the UV index reading in July in Sierra Vista?

In Sierra Vista, the average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in July
Sierra Vista, CA

Average temperature in July - Sierra Vista, CA
  • Average high temperature in July: 100°F

The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in July: 65.8°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure in July
Sierra Vista, CA

Average pressure in July - Sierra Vista, CA
  • Average pressure in July: 29.93"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in July
Sierra Vista, CA

Average wind speed in July - Sierra Vista, CA
  • Average wind speed in July: 7.3mph

The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

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Average humidity in July
Sierra Vista, CA

Average humidity in July - Sierra Vista, CA
  • Average humidity in July: 31%

The month with the highest relative humidity is January (68%).
The month with the lowest relative humidity is July (31%).

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Average rainfall in July
Sierra Vista, CA

Average rainfall in July - Sierra Vista, CA
  • Average rainfall in July: 0.08"

The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in July
Sierra Vista, CA

Average rainfall days in July - Sierra Vista, CA
  • Average rainfall days in July: 2 days

The month with the highest number of rainy days is March (8.6 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
Sierra Vista, CA

Average daylight in July / Average sunshine in July - Sierra Vista, CA
  • Average daylight in July: 14.4h

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: 12.2h

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.2h).

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Average sunshine days in July
Sierra Vista, CA

Average sunshine days in July - Sierra Vista, CA
  • Average sunshine days in July: 27.8 days

The month with the most sunshine days is June (28.8 days).
The month with the least sunshine days is February (21.5 days).

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Average UV index in July
Sierra Vista, CA

Average UV index in July - Sierra Vista, CA
  • Average UV index in July: 7

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in July
Sierra Vista, CA

Average cloud cover in July - Sierra Vista, CA
  • Average cloud cover in July: 5

Months with the most cloud cover are March and December (Cloud cover 30).
Months with the least cloud cover are July, August and September (Cloud cover 5).

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Average visibility in July
Sierra Vista, CA

Average visibility in July - Sierra Vista, 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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