October weather forecast
Oro Valley, AZ

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Weather in October

October sees a welcome change in Oro Valley's weather, marking the official onset of autumn. Weather cools down from September's high of 88.7°F (31.5°C) to a lower average high temperature of 80.1°F (26.7°C). October experiences a rise in daylight hours that allows residents to bask under the sun, and daylight hours start reducing steadily. The humidity levels start to taper down towards the end of the month. Along with the autumn leaves, October sees a significant reduction in rainfall, making way for the drier months ahead.

Temperature

Oro Valley's October weather features a light decline in high-temperatures, reducing from a hot 88.7°F (31.5°C) in September to a moderately hot 80.1°F (26.7°C). The low-temperature in Oro Valley averages to a refreshing 60.6°F (15.9°C) during the nights of October.

Humidity

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

Rainfall

In Oro Valley, Arizona, in October, during 3.8 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Oro Valley, during the entire year, the rain falls for 73.3 days and collects up to 11.22" (285mm) of precipitation.

Snowfall

In Oro Valley, snow does not fall in January, March through December.

Daylight

The average length of the day in October in Oro Valley is 11h and 22min.
On the first day of October, 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

The average sunshine in October is 7.9h.

UV index

In Oro Valley, Arizona, the average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 during October translates into the following directions:
Take precautions - Protection against sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

What is the usual temperature for Oro Valley in October?

In October, in Oro Valley, the average high-temperature is 80.1°F (26.7°C), and the average low-temperature is 60.6°F (15.9°C).

What is the average humidity in October in Oro Valley?

The average relative humidity in October is 35%.

How much does it rain in Oro Valley in October?

In Oro Valley, Arizona, during October, the rain falls for 3.8 days and regularly aggregates up to 0.67" (17mm) of precipitation.

When it does not snow in Oro Valley?

In Oro Valley, snow does not fall in January, March through December.

How many hours of daylight does Oro Valley have in October?

The average day length in October in Oro Valley, Arizona, is 11h and 22min.

When is the sunrise / sunset in October in Oro Valley?

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, in Oro Valley, Arizona, sunrise is at 6:40 am and sunset at 5:34 pm MST.

How many hours of sunshine does Oro Valley have in October?

In Oro Valley, Arizona, the average sunshine duration in October is 7.9h.

How high is the UV index in October in Oro Valley?

In October, the average daily maximum UV index in Oro Valley is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from 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
Oro Valley, AZ

Average temperature in October - Oro Valley, AZ
  • Average high temperature in October: 80.1°F

The warmest month (with the highest average high temperature) is June (95.5°F).
The month with the lowest average high temperature is December (60.1°F).

  • Average low temperature in October: 60.6°F

The months with the highest average low temperature are July and August (76.6°F).
The coldest month (with the lowest average low temperature) is December (42.8°F).

Average pressure in October
Oro Valley, AZ

Average pressure in October - Oro Valley, AZ
  • Average pressure in October: 29.93"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
Oro Valley, AZ

Average wind speed in October - Oro Valley, AZ
  • Average wind speed in October: 6.3mph

The windiest month (with the highest average wind speed) is May (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in October
Oro Valley, AZ

Average humidity in October - Oro Valley, AZ
  • Average humidity in October: 35%

The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (20%).

Average rainfall in October
Oro Valley, AZ

Average rainfall in October - Oro Valley, AZ
  • Average rainfall in October: 0.67"

The wettest month (with the highest rainfall) is July (2.68").
The driest months (with the least rainfall) are April and May (0.24").

Average rainfall days in October
Oro Valley, AZ

Average rainfall days in October - Oro Valley, AZ
  • Average rainfall days in October: 3.8 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is May (2.6 days).

Average snowfall in October
Oro Valley, AZ

Average snowfall in October - Oro Valley, AZ
  • Average snowfall in October: 0"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in October
Oro Valley, AZ

Average snowfall days in October - Oro Valley, AZ
  • Average snowfall days in October: 0 days

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

Average daylight in October /
Average sunshine in October
Oro Valley, AZ

Average daylight in October / Average sunshine in October - Oro Valley, 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: 7h and 5min

The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in October
Oro Valley, AZ

Average sunshine days in October - Oro Valley, AZ
  • Average sunshine days in October: 26.2 days

The month with the most sunshine days is May (28.1 days).
The month with the least sunshine days is July (10 days).

Average UV index in October
Oro Valley, AZ

Average UV index in October - Oro Valley, AZ
  • Average UV index in October: 5

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

Average cloud cover in October
Oro Valley, AZ

Average cloud cover in October - Oro Valley, AZ
  • Average cloud cover in October: 9

The months with the most cloud cover are July and December (Cloud cover 21).
The months with the least cloud cover are May and June (Cloud cover 8).

Average visibility in October
Oro Valley, AZ

Average visibility in October - Oro 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).

Oro Valley, Arizona, USA

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