October weather forecast
Green Valley, AZ

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Weather in October

October, like September, in Green Valley, Arizona, is a moderately hot autumn month, with an average temperature varying between 81°F (27.2°C) and 59.7°F (15.4°C).

Temperature

October indicates a minor shift in the average high-temperature, from September's tropical 88.5°F (31.4°C) to a moderately hot 81°F (27.2°C). Green Valley's average low-temperature for the month of October records at a mild 59.7°F (15.4°C).

Humidity

In October, the average relative humidity in Green Valley is 37%.

Rainfall

In Green Valley, Arizona, during October, the rain falls for 3.1 days and regularly aggregates up to 0.24" (6mm) of precipitation. In Green Valley, Arizona, during the entire year, the rain falls for 61.6 days and collects up to 5.87" (149mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

The average length of the day in October is 11h and 23min.
On the first day of the month, sunrise is at 6:18 am and sunset at 6:08 pm. On the last day of October, in Green Valley, sunrise is at 6:40 am and sunset at 5:34 pm MST.

Sunshine

The average sunshine in October in Green Valley is 8h.

UV index

In Green Valley, the average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 5 during October, leads to the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What is the usual temperature for Green Valley in October?

The average high-temperature, in October, in Green Valley, is 81°F (27.2°C), while the average low-temperature is 59.7°F (15.4°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is appraised at 89.6°F (32°C).

What is the average humidity in October in Green Valley?

In October, the average relative humidity in Green Valley is 37%.

How many days does it rain in October in Green Valley?

In Green Valley, in October, it is raining for 3.1 days, with typically 0.24" (6mm) of accumulated precipitation.

When it does not snow in Green Valley?

In Green Valley, snow does not fall in February through December.

What is the average length of the day in October in Green Valley?

The average day length in October in Green Valley is 11h and 23min.

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

On the first day of October in Green Valley, 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 many hours of sunshine does Green Valley have in October?

In Green Valley, the average sunshine duration in October is 8h.

What is the UV index reading in October in Green Valley?

The average daily maximum UV index in October in Green Valley is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Green Valley, AZ

Average temperature in October - Green Valley, AZ
  • Average high temperature in October: 81°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 (61.7°F).

  • Average low temperature in October: 59.7°F

The month with the highest average low temperature is July (75.4°F).
The coldest month (with the lowest average low temperature) is December (43°F).

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Average pressure in October
Green Valley, AZ

Average pressure in October - Green Valley, AZ
  • Average pressure in October: 29.91"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

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Average wind speed in October
Green Valley, AZ

Average wind speed in October - Green Valley, AZ
  • Average wind speed in October: 6.7mph

The windiest months (with the highest average wind speed) are April and May (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in October
Green Valley, AZ

Average humidity in October - Green Valley, AZ
  • Average humidity in October: 37%

The month with the highest relative humidity is December (44%).
The months with the lowest relative humidity are May and June (21%).

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Average rainfall in October
Green Valley, AZ

Average rainfall in October - Green Valley, AZ
  • Average rainfall in October: 0.24"

The wettest months (with the highest rainfall) are July and August (1.3").
The driest months (with the least rainfall) are April and May (0.12").

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Average rainfall days in October
Green Valley, AZ

Average rainfall days in October - Green Valley, AZ
  • Average rainfall days in October: 3.1 days

The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is May (1.4 days).

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Average snowfall in October
Green Valley, AZ

Average snowfall in October - Green Valley, 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").

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Average snowfall days in October
Green Valley, AZ

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

The months with the highest number of snowfall days are January, September and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, October and November (0 days).

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

Average daylight in October / Average sunshine in October - Green 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: 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).

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Average sunshine days in October
Green Valley, AZ

Average sunshine days in October - Green Valley, AZ
  • Average sunshine days in October: 26.6 days

The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index in October
Green Valley, AZ

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

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are November and December (UV index 3).

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Average cloud cover in October
Green Valley, AZ

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

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

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Average visibility in October
Green Valley, AZ

Average visibility in October - Green 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).

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Green Valley, Arizona, USA

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