July weather forecast
Sierra Vista, AZ

The vast Sierra Vista region of Arizona
The vast Sierra Vista region of Arizona

Weather in July

July, the same as June, in Sierra Vista, Arizona, is a hot summer month, with temperature in the range of an average low of 69.6°F (20.9°C) and an average high of 86.5°F (30.3°C).

Temperature

In July, the average high-temperature is essentially the same as in June - a still tropical 86.5°F (30.3°C). The average low-temperature, in Sierra Vista, is 69.6°F (20.9°C).

Heat index

In July, the average heat index is evaluated at a tropical 87.8°F (31°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. With 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 an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, pregnancy, wind), 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

The average relative humidity in July in Sierra Vista is 47%.

Rainfall

The month with the most rainfall in Sierra Vista is July, when the rain falls for 21.3 days and typically aggregates up to 4.53" (115mm) of precipitation.

Snowfall

In Sierra Vista, snow does not fall in April through November.

Daylight

The average length of the day in July in Sierra Vista is 13h and 58min.
On the first day of July, sunrise is at 5:19 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 7:18 pm MST.

Sunshine

In July, the average sunshine in Sierra Vista is 11.7h.

UV index

In July, the average daily maximum UV index in Sierra Vista is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the 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 utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Sierra Vista?

The average high-temperature, in July, in Sierra Vista, is 86.5°F (30.3°C), while the average low-temperature is 69.6°F (20.9°C). in July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 87.8°F (31°C).

What is the average humidity in July in Sierra Vista?

In Sierra Vista, the average relative humidity in July is 47%.

What is the rainiest month in Sierra Vista?

July is the month with the most rainfall. Rain falls for 21.3 days and accumulates 4.53" (115mm) of precipitation.

How much does it rain in Sierra Vista in July?

In Sierra Vista, Arizona, during July, the rain falls for 21.3 days and regularly aggregates up to 4.53" (115mm) of precipitation.

When it does not snow in Sierra Vista?

In Sierra Vista, Arizona, snow does not fall in April through November.

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

In July, the average day length in Sierra Vista is 13h and 58min.

When are sunrise and sunset in July in Sierra Vista?

On the first day of July, sunrise is at 5:19 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 7:18 pm MST.

How long on average sun shines in July in Sierra Vista?

The average sunshine duration in July in Sierra Vista, Arizona, is 11.7h.

How high is the UV index in July in Sierra Vista?

In Sierra Vista, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Sierra Vista, AZ

Average temperature in July - Sierra Vista, AZ
  • Average high temperature in July: 86.5°F

The warmest month (with the highest average high temperature) is June (90.1°F).
The month with the lowest average high temperature is December (56.5°F).

  • Average low temperature in July: 69.6°F

The month with the highest average low temperature is July (69.6°F).
The coldest months (with the lowest average low temperature) are January and December (37.8°F).

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Average pressure in July
Sierra Vista, AZ

Average pressure in July - Sierra Vista, AZ
  • Average pressure in July: 29.9"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in July
Sierra Vista, AZ

Average wind speed in July - Sierra Vista, AZ
  • Average wind speed in July: 6.3mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in July
Sierra Vista, AZ

Average humidity in July - Sierra Vista, AZ
  • Average humidity in July: 47%

The month with the highest relative humidity is September (50%).
The months with the lowest relative humidity are May and June (23%).

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Average rainfall in July
Sierra Vista, AZ

Average rainfall in July - Sierra Vista, AZ
  • Average rainfall in July: 4.53"

The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (0.12").

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Average rainfall days in July
Sierra Vista, AZ

Average rainfall days in July - Sierra Vista, AZ
  • Average rainfall days in July: 21.3 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is May (2.3 days).

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Average snowfall in July
Sierra Vista, AZ

Average snowfall in July - Sierra Vista, AZ
  • Average snowfall in July: 0"

The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in July
Sierra Vista, AZ

Average snowfall days in July - Sierra Vista, AZ
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Sierra Vista, AZ

Average daylight in July / Average sunshine in July - Sierra Vista, AZ
  • Average daylight in July: 14h and 0min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in July: 11h and 4min

The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

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Average sunshine days in July
Sierra Vista, AZ

Average sunshine days in July - Sierra Vista, AZ
  • Average sunshine days in July: 6.5 days

The month with the most sunshine days is May (28.1 days).
The month with the least sunshine days is July (6.5 days).

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Average UV index in July
Sierra Vista, AZ

Average UV index in July - Sierra Vista, AZ
  • Average UV index in July: 6

The month with the highest UV index is June (UV index 7).
The 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, AZ

Average cloud cover in July - Sierra Vista, AZ
  • Average cloud cover in July: 24

The month with the most cloud cover is July (Cloud cover 24).
The month with the least cloud cover is May (Cloud cover 8).

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Average visibility in July
Sierra Vista, AZ

Average visibility in July - Sierra Vista, AZ
  • 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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