October weather forecastSierra Vista, AZ
October
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 onset of October, Sierra Vista's average high-temperature slightly adjusts, moderately receding from September's moderately hot 81.7°F (27.6°C) to a still warm 75.6°F (24.2°C). An average nighttime temperature of 54.1°F (12.3°C) is recorded during October.Humidity
In Sierra Vista, Arizona, the average relative humidity in October is 41%.Rainfall
In Sierra Vista, during October, the rain falls for 5.3 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Sierra Vista, during the entire year, the rain falls for 92.2 days and collects up to 15.47" (393mm) of precipitation.Snowfall
In Sierra Vista, snow does not fall in April through November.Daylight
In Sierra Vista, the average length of the day in October is 11h and 23min.On the first day of the month, sunrise is at 6:15 am and sunset at 6:05 pm. On the last day of October, sunrise is at 6:36 am and sunset at 5:32 pm MST.
Sunshine
In October, the average sunshine is 7.8h.UV index
The average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 4 in October translates into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in October /
Average sunshine in October
Sierra Vista, AZ
- Average daylight in October: 11h and 24min
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 48min
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).
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).
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).
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).
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).
