July weather forecast
San Luis, AZ

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Weather in July

July in San Luis maintains a similar narrative to June, with temperatures peaking at their highest of 106.2°F (41.2°C), symbolizing the pinnacle of the summer season. The heat, combined with extended sunshine hours and minimal rainfall, cultivates an arid ambiance across the city. Despite the unbearable high temperatures, significant wind gusts help to create breezy conditions and hence mediate the sweltering climate. The temperature in the evening slightly cools down, making nighttime leisurely activities possible and more pleasant. To summarize, July marks the apex of the heat in San Luis.

Temperature

With average high temperatures of 106.2°F (41.2°C) and lows of 84.9°F (29.4°C), July is the warmest month.

Humidity

In July, the average relative humidity is 30%.

Rainfall

July is the month with the most rainfall in San Luis, Arizona. Rain falls for 5.1 days and accumulates 0.39" (10mm) of precipitation.

Daylight

The average length of the day in July in San Luis is 14h and 2min.
On the first day of the month, sunrise is at 5:35 am and sunset at 7:50 pm. On the last day of July, in San Luis, sunrise is at 5:53 am and sunset at 7:37 pm MST.

Sunshine

June and July, with an average of 12.1h of sunshine, are months with the most sunshine in San Luis.

UV index

June through September, with an average maximum UV index of 8, are months with the highest UV index in San Luis. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In July, an average UV index of 8 transforms into the following instructions:
Prioritize protection; rapid damage can occur to unprotected eyes and skin. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What time of the year is the hottest in San Luis?

San Luis reaches its average highest temperatures in July, measuring 106.2°F (41.2°C) at the peak and 84.9°F (29.4°C) at the lowest.

How hot is it in San Luis in July?

In San Luis, 106.2°F (41.2°C) is the average high-temperature and 84.9°F (29.4°C) is the average low-temperature during July.

What is the average humidity in July in San Luis?

The average relative humidity in July in San Luis, Arizona, is 30%.

What is the wettest month in San Luis?

The month with the most rainfall in San Luis, Arizona, is July, when the rain falls for 5.1 days and typically aggregates up to 0.39" (10mm) of precipitation.

How much does it rain in San Luis in July?

In July, the rain falls for 5.1 days. Throughout July, 0.39" (10mm) of precipitation is accumulated.

What is the average length of the day in July in San Luis?

In July, the average day length in San Luis is 14h and 2min.

What time are sunrise and sunset in July in San Luis?

On the first day of July in San Luis, Arizona, sunrise is at 5:35 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:37 pm MST.

What is the month with the most sunshine in San Luis?

The months with the most sunshine in San Luis, Arizona, are June and July, with an average of 12.1h of sunshine.

How long on average sun shines in July in San Luis?

The average sunshine duration in July in San Luis, Arizona, is 12.1h.

What are the months with the highest UV index in San Luis?

June through September, with an average maximum UV index of 8, are months with the highest UV index.

What is the UV index reading in July in San Luis?

In July, the average daily maximum UV index in San Luis is 8. A UV Index estimate of 8 to 10 represents a very high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
San Luis, AZ

Average temperature in July - San Luis, AZ
  • Average high temperature in July: 106.2°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 July: 84.9°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 July
San Luis, AZ

Average pressure in July - San Luis, AZ
  • Average pressure in July: 29.79"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 July
San Luis, AZ

Average wind speed in July - San Luis, AZ
  • Average wind speed in July: 8.5mph

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 July
San Luis, AZ

Average humidity in July - San Luis, AZ
  • Average humidity in July: 30%

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 July
San Luis, AZ

Average rainfall in July - San Luis, AZ
  • Average rainfall in July: 0.39"

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 July
San Luis, AZ

Average rainfall days in July - San Luis, AZ
  • Average rainfall days in July: 5.1 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 July /
Average sunshine in July
San Luis, AZ

Average daylight in July / Average sunshine in July - San Luis, AZ
  • Average daylight in July: 14h and 0min

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 July: 12h and 1min

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 July
San Luis, AZ

Average sunshine days in July - San Luis, AZ
  • Average sunshine days in July: 24.3 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 July
San Luis, AZ

Average UV index in July - San Luis, AZ
  • Average UV index in July: 8

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 July
San Luis, AZ

Average cloud cover in July - San Luis, AZ
  • Average cloud cover in July: 10

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 July
San Luis, AZ

Average visibility in July - San Luis, AZ
  • Average visibility in July: 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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