October weather forecast
Sierra Vista, AZ

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

Weather in October

The transition into October offers a welcome respite from the summer heat in Sierra Vista. Temperatures continue to trend downward, and the city becomes noticeably cooler, particularly during the evenings. Tourists can expect crisp and refreshing mornings, followed by warm afternoons, creating pleasing contrasts. Rainfall diminishes, making October a dry period compared to the preceding summer months. As Fall seasons take hold, the beautiful fall foliage paints an alluring backdrop to the city's landscapes.

Temperature

With the arrival of October, Sierra Vista notices a mild change in the average high-temperature, sliding from September's 81.7°F (27.6°C) to a still warm 75.6°F (24.2°C). An average low-temperature of 54.1°F (12.3°C) is recorded during the nights in October in Sierra Vista.

Humidity

In October, the average relative humidity in Sierra Vista is 41%.

Rainfall

In October, the rain falls for 5.3 days. Throughout October, 0.63" (16mm) of precipitation is accumulated. In Sierra Vista, during the entire year, the rain falls for 92.2 days and collects up to 15.47" (393mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In October, the average length of the day is 11h and 23min.
On the first day of October, sunrise is at 6:15 am and sunset at 6:05 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 5:32 pm MST.

Sunshine

The average sunshine in October in Sierra Vista, Arizona, is 7.8h.

UV index

In October, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum daily UV index of 4 during October morphs into the following directions:
Ensure safety - Sun damage prevention is strongly urged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What is the average October temperature in Sierra Vista?

The high-temperature, in October, in Sierra Vista, is 75.6°F (24.2°C), while the low-temperature averages to 54.1°F (12.3°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 82.4°F (28°C).

What is the average humidity in October in Sierra Vista?

The average relative humidity in October in Sierra Vista is 41%.

How much does it rain in Sierra Vista in October?

In October, in Sierra Vista, the rain falls for 5.3 days. Throughout October, 0.63" (16mm) of precipitation is accumulated.

When it does not snow in Sierra Vista?

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

How many hours of daylight does Sierra Vista have in October?

The average day length in October in Sierra Vista is 11h and 23min.

When is the sunrise / sunset in October in Sierra Vista?

In October, on the first day of the month, sunrise is at 6:15 am and sunset at 6:05 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 5:32 pm MST.

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

In Sierra Vista, Arizona, the average sunshine duration in October is 7.8h.

What is the UV index intensity in October in Sierra Vista?

In October, the average daily maximum UV index in Sierra Vista, Arizona, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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 October
Sierra Vista, AZ

Average temperature in October - Sierra Vista, AZ
  • Average high temperature in October: 75.6°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 October: 54.1°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 October
Sierra Vista, AZ

Average pressure in October - Sierra Vista, AZ
  • Average pressure in October: 29.93"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 October
Sierra Vista, AZ

Average wind speed in October - Sierra Vista, AZ
  • Average wind speed in October: 7mph

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 October
Sierra Vista, AZ

Average humidity in October - Sierra Vista, AZ
  • Average humidity in October: 41%

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 October
Sierra Vista, AZ

Average rainfall in October - Sierra Vista, AZ
  • Average rainfall in October: 0.63"

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 October
Sierra Vista, AZ

Average rainfall days in October - Sierra Vista, AZ
  • Average rainfall days in October: 5.3 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 October
Sierra Vista, AZ

Average snowfall in October - Sierra Vista, AZ
  • Average snowfall in October: 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 October
Sierra Vista, AZ

Average snowfall days in October - Sierra Vista, AZ
  • Average snowfall days in October: 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 October /
Average sunshine in October
Sierra Vista, AZ

Average daylight in October / Average sunshine in October - Sierra Vista, AZ
  • Average daylight in October: 11h and 2min

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 October: 7h and 5min

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 October
Sierra Vista, AZ

Average sunshine days in October - Sierra Vista, AZ
  • Average sunshine days in October: 22.7 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 October
Sierra Vista, AZ

Average UV index in October - Sierra Vista, AZ
  • Average UV index in October: 4

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 October
Sierra Vista, AZ

Average cloud cover in October - Sierra Vista, AZ
  • Average cloud cover in October: 12

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 October
Sierra Vista, AZ

Average visibility in October - Sierra Vista, AZ
  • Average visibility in October: 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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Sierra Vista, Arizona, USA

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