October weather forecastSun Valley, AZ
October
Weather in October
October, the same as September, in Sun Valley, Arizona, is another pleasant autumn month, with an average temperature ranging between min 50.2°F (10.1°C) and max 70.5°F (21.4°C).Temperature
During Sun Valley's transition into October, the average high-temperature lessens, moving from a moderately hot 82.4°F (28°C) in September to a pleasant 70.5°F (21.4°C). Sun Valley, during October nights, observes an average temperature of 50.2°F (10.1°C).Humidity
The average relative humidity in October is 36%.Rainfall
In Sun Valley, during October, the rain falls for 5.4 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 74.3 rainfall days, and 7.2" (183mm) of precipitation is accumulated.Snowfall
In Sun Valley, snow does not fall in May through October.Daylight
In Sun Valley, the average length of the day in October is 11h and 17min.On the first day of October, sunrise is at 6:15 am and sunset at 6:03 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 5:26 pm MST.
Sunshine
In October, the average sunshine is 7.7h.UV index
In Sun Valley, Arizona, the average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In October, the average maximum UV index of 4 translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Sun Valley, AZ
- Average high temperature in October: 70.5°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (46.8°F).
- Average low temperature in October: 50.2°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in October
Sun Valley, AZ
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in October
Sun Valley, AZ
- Average wind speed in October: 7.6mph
The windiest months (with the highest average wind speed) are April and May (10.6mph).
The calmest month (with the lowest average wind speed) is January (6.1mph).
Average humidity in October
Sun Valley, AZ
- Average humidity in October: 36%
The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (18%).
Average rainfall in October
Sun Valley, AZ
- Average rainfall in October: 0.63"
The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is June (0.16").
Average rainfall days in October
Sun Valley, AZ
- Average rainfall days in October: 5.4 days
The month with the highest number of rainy days is July (13.3 days).
The months with the least rainy days are June and November (3.4 days).
Average snowfall in October
Sun Valley, AZ
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Sun Valley, AZ
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is December (3.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Sun Valley, AZ
- Average daylight in October: 11h and 18min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in October: 7h and 42min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in October
Sun Valley, AZ
- Average sunshine days in October: 24.8 days
The months with the most sunshine days are May, June and November (25.3 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in October
Sun Valley, AZ
- Average UV index in October: 4
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in October
Sun Valley, AZ
- Average cloud cover in October: 11
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility in October
Sun Valley, 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).
