March weather forecast
San Luis, AZ

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Weather in March

March brings the arrival of spring to San Luis, Arizona, resulting in a significant increase in temperatures from 72.9°F (22.7°C) to 80.2°F (26.8°C). This marks a transition from cooler months to a warmer season. The lengthening days accompanied by a higher UV index indicate that sun protection becomes essential during this time. With relative humidity and rainfall remaining low, the weather stays dry. The aforementioned climatic conditions make March the beginning of San Luis's warm season.

Temperature

The onset of March brings a minor temperature shift, with the average high-temperature moving from an agreeable 72.9°F (22.7°C) in February to a warm 80.2°F (26.8°C). In San Luis, following the steep rise of daytime temperatures, an average nighttime low of 58.3°F (14.6°C) is anticipated during March.

Humidity

In March, the average relative humidity is 29%.

Rainfall

In San Luis, Arizona, during March, the rain falls for 1.7 days and regularly aggregates up to 0.31" (8mm) of precipitation. In San Luis, during the entire year, the rain falls for 25 days and collects up to 2.24" (57mm) of precipitation.

Daylight

The average length of the day in March is 12h and 1min.
On the first day of the month, sunrise is at 7:05 am and sunset at 6:36 pm. On the last day of March, sunrise is at 6:27 am and sunset at 6:58 pm MST.

Sunshine

The average sunshine in March in San Luis, Arizona, is 9.4h.

UV index

In San Luis, the average daily maximum UV index in March is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In March, a daily UV index of 6 turns into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What are March temperatures in San Luis?

During March, San Luis experiences an average high-temperature of 80.2°F (26.8°C) and a low-temperature of 58.3°F (14.6°C).

What is the average humidity in March in San Luis?

The average relative humidity in March is 29%.

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

In San Luis, during March, the rain falls for 1.7 days and regularly aggregates up to 0.31" (8mm) of precipitation.

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

The average day length in March is 12h and 1min.

When is the sunrise / sunset in March in San Luis?

On the first day of March, sunrise is at 7:05 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 6:58 pm MST.

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

In March, the average sunshine duration in San Luis, Arizona, is 9.4h.

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

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

Average temperature in March - San Luis, AZ
  • Average high temperature in March: 80.2°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 March: 58.3°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 March
San Luis, AZ

Average pressure in March - San Luis, AZ
  • Average pressure in March: 29.95"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 March
San Luis, AZ

Average wind speed in March - San Luis, AZ
  • Average wind speed in March: 7.3mph

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 March
San Luis, AZ

Average humidity in March - San Luis, AZ
  • Average humidity in March: 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 March
San Luis, AZ

Average rainfall in March - San Luis, AZ
  • Average rainfall in March: 0.31"

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 March
San Luis, AZ

Average rainfall days in March - San Luis, AZ
  • Average rainfall days in March: 1.7 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 March /
Average sunshine in March
San Luis, AZ

Average daylight in March / Average sunshine in March - San Luis, AZ
  • Average daylight in March: 12h 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 March: 9h and 2min

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 March
San Luis, AZ

Average sunshine days in March - San Luis, AZ
  • Average sunshine days in March: 29.3 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 March
San Luis, AZ

Average UV index in March - San Luis, AZ
  • Average UV index in March: 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 March
San Luis, AZ

Average cloud cover in March - San Luis, AZ
  • Average cloud cover in March: 14

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 March
San Luis, AZ

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