October weather forecastWilliams, AZ

October
Weather in October
In October, the autumn weather is in full swing with a noticeable fall in temperatures down to an average high of 65.3°F (18.5°C). October is also characterized by a decline in humidity, indicating drier air conditions. The cooling trend continues, and the month ends with temperatures substantially lower than they were at the start. The frequency of rainfall observes a slight increase, the city records about 5 days of rainfall. Wind speeds maintain an average rate, keeping the fall weather pleasant.Temperature
October's onset in Williams brings a slight change in high-temperatures, falling from a moderately hot 77.5°F (25.3°C) in September to a refreshing 65.3°F (18.5°C). In October, Williams experiences a significant drop from daily zeniths to an average nighttime temperature of 43.7°F (6.5°C).Humidity
In Williams, Arizona, the average relative humidity in October is 43%.Rainfall
In Williams, in October, during 5 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, there are 70.4 rainfall days, and 10" (254mm) of precipitation is accumulated.Snowfall
Months with snowfall in Williams are January through May, October through December. October is the first month it typically snows in Williams. Throughout October, in the average 0.7 snowfall days, it receives 0.83" (21mm) of snow. Throughout the year, there are 28.2 snowfall days, and 24.72" (628mm) of snow is accumulated.Daylight
The average length of the day in October in Williams, Arizona, is 11h and 17min.On the first day of the month, sunrise is at 6:24 am and sunset at 6:12 pm. On the last day of October, sunrise is at 6:49 am and sunset at 5:34 pm MST.
Sunshine
In Williams, the average sunshine in October is 8.1h.UV index
The average daily maximum UV index in October in Williams is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In October, a regular UV index of 3 translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Always opt for UVA and UVB-resistant sunglasses on radiant days. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Williams, AZ
- Average high temperature in October: 65.3°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in October: 43.7°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in October
Williams, AZ
- Average pressure in October: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in October
Williams, AZ
- Average wind speed in October: 7.3mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in October
Williams, AZ
- Average humidity in October: 43%
The month with the highest relative humidity is January (63%).
The month with the lowest relative humidity is June (23%).
Average rainfall in October
Williams, AZ
- Average rainfall in October: 0.79"
The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in October
Williams, AZ
- Average rainfall days in October: 5 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is June (2.1 days).
Average snowfall in October
Williams, AZ
- Average snowfall in October: 0.83"
The month with the highest snowfall is December (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Williams, AZ
- Average snowfall days in October: 0.7 days
The month with the highest number of snowfall days is December (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Williams, 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 48min).
- Average sunshine in October: 8h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in October
Williams, AZ
- Average sunshine days in October: 22.8 days
The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is August (13.1 days).
Average UV index in October
Williams, AZ
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Williams, 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 6).
Average visibility in October
Williams, 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).





