October weather forecastFlagstaff, AZ
October
Weather in October
October in Flagstaff is a harbinger of the upcoming winter season. There is a marked drop in temperature, with an average high of 63.5°F (17.5°C). In a surprising turn, snow makes a comeback, albeit just 1.34" (34mm) on average, indicating the start of the snowy season. The decrease in daylight hours continues, leading to less intense UV rays. As a result, October is a mixture of both autumn and winter characters.Temperature
Flagstaff's October weather comes with a decrease in average high-temperatures, moving from a moderately hot 75.2°F (24°C) in September to an enjoyable 63.5°F (17.5°C). Flagstaff's nighttime average of 41.7°F (5.4°C) during October reflects a substantial decrease from the daytime temperature.Humidity
The average relative humidity in October is 45%.Rainfall
In Flagstaff, Arizona, in October, it is raining for 4.9 days, with typically 0.71" (18mm) of accumulated precipitation. In Flagstaff, during the entire year, the rain falls for 74.8 days and collects up to 12.56" (319mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Flagstaff. October is the first month it typically snows in Flagstaff. Throughout October, in the average 0.8 snowfall days, it receives 1.34" (34mm) of snow. In Flagstaff, during the entire year, snow falls for 30.6 days and aggregates up to 28.66" (728mm) of snow.Daylight
In Flagstaff, the average length of the day in October is 11h and 17min.On the first day of the month, sunrise is at 6:22 am and sunset at 6:09 pm. On the last day of October, sunrise is at 6:47 am and sunset at 5:32 pm MST.
Sunshine
The average sunshine in October is 7.9h.UV index
The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 3 in October interprets into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Flagstaff, AZ
- Average high temperature in October: 63.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The months with the lowest average high temperature are January and December (42.6°F).
- Average low temperature in October: 41.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (24.8°F).
Average pressure in October
Flagstaff, AZ
- Average pressure in October: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in October
Flagstaff, AZ
- Average wind speed in October: 7.1mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in October
Flagstaff, AZ
- Average humidity in October: 45%
The month with the highest relative humidity is January (66%).
The month with the lowest relative humidity is June (24%).
Average rainfall in October
Flagstaff, AZ
- Average rainfall in October: 0.71"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is June (0.24").
Average rainfall days in October
Flagstaff, AZ
- Average rainfall days in October: 4.9 days
The month with the highest number of rainy days is July (16.2 days).
The months with the least rainy days are February and November (2.5 days).
Average snowfall in October
Flagstaff, AZ
- Average snowfall in October: 1.34"
The month with the highest snowfall is December (7.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Flagstaff, AZ
- Average snowfall days in October: 0.8 days
The month with the highest number of snowfall days is December (7.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Flagstaff, 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: 7h and 54min
The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in October
Flagstaff, AZ
- Average sunshine days in October: 24.2 days
The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in October
Flagstaff, 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
Flagstaff, AZ
- Average cloud cover in October: 12
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility in October
Flagstaff, 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).
