October weather forecast
Tucson, AZ

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Sunset in downtown Tucson, Arizona with a skyline and a sentinel peak in the distance
Sunset in downtown Tucson, Arizona with a skyline and a sentinel peak in the distance

Weather in October

October weather in Tucson paints the city with all the hallmarks of the fall season. The marked decrease in temperature from September provides a welcome relief from the persisting summer heat. October's weather demonstrates a subtle symbiosis between the clear, autumn mornings and crisp, starlit nights. It eases Tucson into November with a gradual temperature descent while keeping the autumn chill in full swing. October also stands out with an average high temperature of 81.1°F (27.3°C), offering a mild and comfortable climate.

Temperature

With the commencement of October, Tucson records a moderate temperature decline, with the average high easing from September's hot 88.7°F (31.5°C) to a moderately hot 81.1°F (27.3°C). An average minimum temperature of 60.4°F (15.8°C) is recorded during the month of October.

Humidity

The average relative humidity in October is 35%.

Rainfall

In Tucson, Arizona, in October, during 3.4 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. Throughout the year, there are 66.1 rainfall days, and 7.95" (202mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Tucson.

Daylight

The average length of the day in October is 11h and 22min.
On the first day of October in Tucson, sunrise is at 6:18 am and sunset at 6:08 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 5:34 pm MST.

Sunshine

In Tucson, Arizona, the average sunshine in October is 8h.

UV index

In October, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In October, a regular UV index of 5 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

What is the temperature in October?

Tucson in October has an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 60.4°F (15.8°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in October in Tucson?

In Tucson, the average relative humidity in October is 35%.

How much does it rain in October?

In Tucson, during October, the rain falls for 3.4 days and regularly aggregates up to 0.28" (7mm) of precipitation.

When it does not snow?

February through December are months without snowfall.

What is the average length of the day in October?

The average day length in October is 11h and 22min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 6:18 am and sunset at 6:08 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 5:34 pm MST.

How long on average sun shines in October in Tucson?

The average sunshine duration in October is 8h.

How high is the UV index in October?

In October, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Tucson, AZ

Average temperature in October - Tucson, AZ
  • Average high temperature in October: 81.1°F

The warmest month (with the highest average high temperature) is June (96.6°F).
The month with the lowest average high temperature is December (60.8°F).

  • Average low temperature in October: 60.4°F

The month with the highest average low temperature is July (77°F).
The coldest months (with the lowest average low temperature) are January and December (43°F).

Average pressure in October
Tucson, AZ

Average pressure in October - Tucson, AZ
  • Average pressure in October: 29.92"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in October
Tucson, AZ

Average wind speed in October - Tucson, AZ
  • Average wind speed in October: 6.5mph

The windiest months (with the highest average wind speed) are April and May (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in October
Tucson, AZ

Average humidity in October - Tucson, AZ
  • Average humidity in October: 35%

The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (19%).

Average rainfall in October
Tucson, AZ

Average rainfall in October - Tucson, AZ
  • Average rainfall in October: 0.28"

The wettest month (with the highest rainfall) is July (1.42").
The driest month (with the least rainfall) is May (0.08").

Average rainfall days in October
Tucson, AZ

Average rainfall days in October - Tucson, AZ
  • Average rainfall days in October: 3.4 days

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is May (1.3 days).

Average snowfall in October
Tucson, AZ

Average snowfall in October - Tucson, AZ
  • Average snowfall in October: 0"

The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in October
Tucson, AZ

Average snowfall days in October - Tucson, AZ
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in October / Average sunshine in October - Tucson, AZ
  • Average daylight in October: 11h and 2min

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: 8h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in October
Tucson, AZ

Average sunshine days in October - Tucson, AZ
  • Average sunshine days in October: 26.1 days

The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in October
Tucson, AZ

Average UV index in October - Tucson, AZ
  • Average UV index in October: 5

The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are November and December (UV index 3).

Average cloud cover in October
Tucson, AZ

Average cloud cover in October - Tucson, AZ
  • Average cloud cover in October: 8

The month with the most cloud cover is December (Cloud cover 19).
The months with the least cloud cover are May and June (Cloud cover 7).

Average visibility in October
Tucson, AZ

Average visibility in October - Tucson, 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).

Tucson, Arizona, USA

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