October weather forecast
Flagstaff, AZ

The brown iconic clock tower in the city of Flagstaff, Arizona, with the street signs of Birch Avenue and San Francisco Street
The brown iconic clock tower in the city of Flagstaff, Arizona, with the street signs of Birch Avenue and San Francisco Street

Weather in October

October, the same as September, is another comfortable autumn month in Flagstaff, Arizona, with an average temperature varying between 63.5°F (17.5°C) and 41.7°F (5.4°C).

Temperature

In Flagstaff, the average high-temperature in October decreases from a moderately hot 75.2°F (24°C) in September to a comfortable 63.5°F (17.5°C). In October, in Flagstaff, Arizona, the average low-temperature is 41.7°F (5.4°C).

Humidity

The average relative humidity in October in Flagstaff, Arizona, is 45%.

Rainfall

In Flagstaff, in October, during 4.9 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Flagstaff, during the entire year, the rain falls for 74.8 days and collects up to 12.56" (319mm) of precipitation.

Snowfall

Months with snowfall in Flagstaff are January through May, October through December. October is the first month it typically snows in Flagstaff, Arizona. 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

The average length of the day in October is 11h and 17min.
On the first day of the month, sunrise is at 6:21 am and sunset at 6:10 pm. On the last day of October, sunrise is at 6:47 am and sunset at 5:33 pm MST.

Sunshine

In Flagstaff, Arizona, the average sunshine in October is 7.9h.

UV index

The average daily maximum UV index in October in Flagstaff is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 3 in October transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in October in Flagstaff?

In October, the average high-temperature is 63.5°F (17.5°C), and the average low-temperature is 41.7°F (5.4°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 80.6°F (27°C).

What is the average humidity in October in Flagstaff?

In Flagstaff, Arizona, the average relative humidity in October is 45%.

How many days does it rain in October in Flagstaff?

In Flagstaff, in October, it is raining for 4.9 days, with typically 0.71" (18mm) of accumulated precipitation.

When does it start snowing in Flagstaff?

October is the first month it typically snows. Throughout October, in the average 0.8 snowfall days, it receives 1.34" (34mm) of snow.

What is the average length of the day in October in Flagstaff?

In Flagstaff, Arizona, the average day length in October is 11h and 17min.

When are sunrise and sunset in October in Flagstaff?

In October, on the first day of the month, sunrise is at 6:21 am and sunset at 6:10 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 5:33 pm MST.

How long on average sun shines in October in Flagstaff?

In October, the average sunshine duration in Flagstaff is 7.9h.

What is the UV index reading in October in Flagstaff?

In Flagstaff, Arizona, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Flagstaff, AZ

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).

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Average pressure in October
Flagstaff, AZ

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).

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Average wind speed in October
Flagstaff, AZ

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).

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Average humidity in October
Flagstaff, AZ

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%).

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Average rainfall in October
Flagstaff, AZ

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").

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Average rainfall days in October
Flagstaff, AZ

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).

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Average snowfall in October
Flagstaff, AZ

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").

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Average snowfall days in October
Flagstaff, AZ

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).

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Average daylight in October /
Average sunshine in October
Flagstaff, AZ

Average daylight in October / Average sunshine in October - Flagstaff, AZ
  • Average daylight in October: 11h and 17min

The month with the longest days is June (Average daylight: 14h and 29min).
The month with the shortest days is December (Average daylight: 9h and 50min).

  • 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).

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Average sunshine days in October
Flagstaff, AZ

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).

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Average UV index in October
Flagstaff, AZ

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).

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Average cloud cover in October
Flagstaff, AZ

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).

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Average visibility in October
Flagstaff, AZ

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).

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