October weather forecast
Sierra Vista, CA

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Weather in October

October, like September, in Sierra Vista, California, is another warm autumn month, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 55.4°F (13°C).

Temperature

Sierra Vista in October experiences a subtle temperature decline, with average high-temperatures reducing from a tropical 92.1°F (33.4°C) in September to a warm 79°F (26.1°C). Throughout the month of October, Sierra Vista observes a dramatic downturn from the daytime peak temperatures, expecting an average low of 55.4°F (13°C).

Humidity

The average relative humidity in October is 44%.

Rainfall

In October, the rain falls for 2.7 days. Throughout October, 0.39" (10mm) of precipitation is accumulated. In Sierra Vista, during the entire year, the rain falls for 51 days and collects up to 7.56" (192mm) of precipitation.

Daylight

In October, the average length of the day is 11h and 13min.
On the first day of the month, sunrise is at 6:57 am and sunset at 6:43 pm. On the last day of October, sunrise is at 7:25 am and sunset at 6:04 pm PDT.

Sunshine

In October, the average sunshine is 7.6h.

UV index

In October, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In October, a daily maximum UV index of 5 leads to the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Sierra Vista in October?

October temperatures vary between a high-temperature of 79°F (26.1°C) and a low-temperature of 55.4°F (13°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in May is evaluated at 82.4°F (28°C).

What is the average humidity in October?

In October, the average relative humidity is 44%.

How much does it rain in October?

In October, the rain falls for 2.7 days. Throughout October, 0.39" (10mm) of precipitation is accumulated.

What is the average length of the day in October?

The average day length in October is 11h and 13min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 6:57 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 6:04 pm PDT.

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

The average sunshine duration in October is 7.6h.

How high is the UV index in October?

In October, the average daily maximum UV index in Sierra Vista is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Sierra Vista, CA

Average temperature in October - Sierra Vista, CA
  • Average high temperature in October: 79°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 October: 55.4°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).

Average pressure in October
Sierra Vista, CA

Average pressure in October - Sierra Vista, CA
  • Average pressure in October: 29.99"Hg

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

Average wind speed in October
Sierra Vista, CA

Average wind speed in October - Sierra Vista, CA
  • Average wind speed in October: 5.3mph

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).

Average humidity in October
Sierra Vista, CA

Average humidity in October - Sierra Vista, CA
  • Average humidity in October: 44%

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

Average rainfall in October
Sierra Vista, CA

Average rainfall in October - Sierra Vista, CA
  • Average rainfall in October: 0.39"

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

Average rainfall days in October
Sierra Vista, CA

Average rainfall days in October - Sierra Vista, CA
  • Average rainfall days in October: 2.7 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).

Average daylight in October /
Average sunshine in October
Sierra Vista, CA

Average daylight in October / Average sunshine in October - Sierra Vista, CA
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in October: 7h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).

Average sunshine days in October
Sierra Vista, CA

Average sunshine days in October - Sierra Vista, CA
  • Average sunshine days in October: 27.2 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).

Average UV index in October
Sierra Vista, CA

Average UV index in October - Sierra Vista, CA
  • Average UV index in October: 5

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

Average cloud cover in October
Sierra Vista, CA

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

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

Average visibility in October
Sierra Vista, CA

Average visibility in October - Sierra Vista, CA
  • 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).

Sierra Vista, California, USA

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