October weather forecast
Mesa, AZ

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The scenic city of Mesa in Arizona, with a view of the famous well-manicured golf course near the Red Mountain range
The scenic city of Mesa in Arizona, with a view of the famous well-manicured golf course near the Red Mountain range

Weather in October

As fall sweeps through Mesa, Arizona in October, the weather begins a slight shift from the intense summer towards a more comfortable climate. The reduction in daylight hours hints at the approaching winter, while the number of sunshine days remains relatively steady. In sync with the dip in temperatures, rainfall starts to marginally pick up, welcoming the city's transition to winter. In contrast to the previous months of harsh heat, October sees a fresh breeze, making the overall weather soothing. As October takes over, a significant drop in the temperatures is noted with a high of 83.8°F (28.8°C) and a low of 66°F (18.9°C).

Temperature

Welcoming October, Mesa observes a shift in the average high-temperature, falling from September's very hot 95.4°F (35.2°C) to a warm 83.8°F (28.8°C). In October, the nighttime temperature in Mesa lowers to an average of 66°F (18.9°C).

Humidity

The average relative humidity in October is 31%.

Rainfall

In Mesa, during October, the rain falls for 3.9 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Mesa, during the entire year, the rain falls for 60.2 days and collects up to 7.91" (201mm) of precipitation.

Daylight

In Mesa, Arizona, the average length of the day in October is 11h and 20min.
On the first day of the month, sunrise is at 6:22 am and sunset at 6:11 pm. On the last day of October, sunrise is at 6:45 am and sunset at 5:36 pm MST.

Sunshine

The average sunshine in October is 8.1h.

UV index

The average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 5 during October translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

How hot is it in Mesa in October?

The high-temperature, in October, in Mesa, is 83.8°F (28.8°C), while the low-temperature averages to 66°F (18.9°C).

What is the average humidity in October in Mesa?

The average relative humidity in October in Mesa is 31%.

How many days does it rain in October in Mesa?

In Mesa, in October, it is raining for 3.9 days, with typically 0.91" (23mm) of accumulated precipitation.

How many hours of daylight does Mesa have in October?

The average day length in October in Mesa, Arizona, is 11h and 20min.

When are sunrise and sunset in October in Mesa?

On the first day of October in Mesa, sunrise is at 6:22 am and sunset at 6:11 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 5:36 pm MST.

How many hours of sunshine does Mesa have in October?

The average sunshine duration in October in Mesa is 8.1h.

What is the UV index intensity in October in Mesa?

The average daily maximum UV index in October in Mesa, Arizona, is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Mesa, AZ

Average temperature in October - Mesa, AZ
  • Average high temperature in October: 83.8°F

The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (62.4°F).

  • Average low temperature in October: 66°F

The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).

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Average pressure in October
Mesa, AZ

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

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

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Average wind speed in October
Mesa, AZ

Average wind speed in October - Mesa, AZ
  • Average wind speed in October: 4.9mph

The windiest months (with the highest average wind speed) are April and May (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).

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Average humidity in October
Mesa, AZ

Average humidity in October - Mesa, AZ
  • Average humidity in October: 31%

The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in October
Mesa, AZ

Average rainfall in October - Mesa, AZ
  • Average rainfall in October: 0.91"

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in October
Mesa, AZ

Average rainfall days in October - Mesa, AZ
  • Average rainfall days in October: 3.9 days

The month with the highest number of rainy days is July (10.6 days).
The month with the least rainy days is June (1.2 days).

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

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in October: 8h and 1min

The month with the most sunshine is June (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
Mesa, AZ

Average sunshine days in October - Mesa, AZ
  • Average sunshine days in October: 26.3 days

The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (17.6 days).

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Average UV index in October
Mesa, AZ

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

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

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Average cloud cover in October
Mesa, AZ

Average cloud cover in October - Mesa, AZ
  • Average cloud cover in October: 9

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in October
Mesa, AZ

Average visibility in October - Mesa, 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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Mesa, Arizona, USA

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