October weather forecast
San Luis, AZ

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Weather in October

October in San Luis, Arizona heralds a pronounced decrease in high temperatures from 99.7°F (37.6°C) to 88.5°F (31.4°C), indicating the onset of the fall season. As the heat from the summer sun ebbs away, days become more manageable and nights cooler. Minimal rainfall and steady wind conditions bring about a pleasant climate in the city. Dwindling daylight hours signal the imminent arrival of winter. With October, San Luis moves away from the scorching sun and begins to cool, ushering in a new, cooler season.

Temperature

October's arrival coincides with a drop in the average high-temperature, decreasing from September's sweltering 99.7°F (37.6°C) to a hot 88.5°F (31.4°C). October brings an average low-temperature of 69.8°F (21°C) to San Luis.

Humidity

In San Luis, the average relative humidity in October is 29%.

Rainfall

In October, the rain falls for 1.2 days. Throughout October, 0.16" (4mm) of precipitation is accumulated. In San Luis, Arizona, during the entire year, the rain falls for 25 days and collects up to 2.24" (57mm) of precipitation.

Daylight

In October, the average length of the day in San Luis is 11h and 22min.
On the first day of the month, sunrise is at 6:33 am and sunset at 6:23 pm. On the last day of October, in San Luis, Arizona, sunrise is at 6:56 am and sunset at 5:49 pm MST.

Sunshine

In October, the average sunshine in San Luis is 8.9h.

UV index

In San Luis, the average daily maximum UV index in October is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In October, a daily UV index of 6 turns into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

How hot is October in San Luis?

In October, in San Luis, the average high-temperature is 88.5°F (31.4°C), and the average low-temperature is 69.8°F (21°C).

What is the average humidity in October in San Luis?

In October, the average relative humidity in San Luis is 29%.

How many days does it rain in October in San Luis?

In San Luis, in October, during 1.2 rainfall days, 0.16" (4mm) of precipitation is typically accumulated.

How many hours of daylight does San Luis have in October?

In San Luis, the average day length in October is 11h and 22min.

When are sunrise and sunset in October in San Luis?

In October, on the first day of the month, sunrise is at 6:33 am and sunset at 6:23 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 5:49 pm MST.

How many hours of sunshine does San Luis have in October?

In October, the average sunshine duration in San Luis, Arizona, is 8.9h.

What is the UV index intensity in October in San Luis?

In San Luis, Arizona, the average daily maximum UV index in October is 6. A UV Index estimate of 6 to 7 represents a high 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
San Luis, AZ

Average temperature in October - San Luis, AZ
  • Average high temperature in October: 88.5°F

The warmest month (with the highest average high temperature) is July (106.2°F).
The month with the lowest average high temperature is December (67.1°F).

  • Average low temperature in October: 69.8°F

The month with the highest average low temperature is August (86.2°F).
The coldest month (with the lowest average low temperature) is December (50.5°F).

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Average pressure in October
San Luis, AZ

Average pressure in October - San Luis, AZ
  • Average pressure in October: 29.86"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.75"Hg).

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Average wind speed in October
San Luis, AZ

Average wind speed in October - San Luis, AZ
  • Average wind speed in October: 7mph

The windiest month (with the highest average wind speed) is July (8.5mph).
The calmest month (with the lowest average wind speed) is November (6.7mph).

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Average humidity in October
San Luis, AZ

Average humidity in October - San Luis, AZ
  • Average humidity in October: 29%

The month with the highest relative humidity is December (38%).
The month with the lowest relative humidity is June (23%).

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Average rainfall in October
San Luis, AZ

Average rainfall in October - San Luis, AZ
  • Average rainfall in October: 0.16"

The wettest month (with the highest rainfall) is July (0.39").
The driest month (with the least rainfall) is May (0").

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Average rainfall days in October
San Luis, AZ

Average rainfall days in October - San Luis, AZ
  • Average rainfall days in October: 1.2 days

The month with the highest number of rainy days is July (5.1 days).
The month with the least rainy days is May (0.3 days).

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Average daylight in October /
Average sunshine in October
San Luis, AZ

Average daylight in October / Average sunshine in October - San Luis, 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 6min).

  • Average sunshine in October: 8h and 5min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

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Average sunshine days in October
San Luis, AZ

Average sunshine days in October - San Luis, AZ
  • Average sunshine days in October: 29.5 days

The month with the most sunshine days is May (30.4 days).
The month with the least sunshine days is July (24.3 days).

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Average UV index in October
San Luis, AZ

Average UV index in October - San Luis, AZ
  • Average UV index in October: 6

The months with the highest UV index are June, July, August and September (UV index 8).
The month with the lowest UV index is December (UV index 4).

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Average cloud cover in October
San Luis, AZ

Average cloud cover in October - San Luis, AZ
  • Average cloud cover in October: 7

The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in October
San Luis, AZ

Average visibility in October - San Luis, 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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San Luis, Arizona, USA

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