May weather forecast
Marana, AZ

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Weather in May

The anticipation of summer gets higher in May with the mercury spiking to an average high of 88°F (31.1°C). Characteristics of desert summer start appearing prominently from this month onwards with longer daylight hours and increased sunshine duration. Rainfall becomes exceedingly sparse in May, and the dry spell continues till June. Throughout the month, clear skies dominate over Marana while the gentle winter breeze leaves, making way for gustier winds. The low humidity, coupled with these factors, makes the weather remarkably dry with an intensified UV index of 7.

Temperature

With the beginning of May, Marana's average high-temperature sees a minor increase, transitioning from a moderately hot 80.2°F (26.8°C) in April to a hot 88°F (31.1°C). Despite drastic daytime highs, Marana logs an average low-temperature reading of 62.6°F (17°C) throughout May.

Humidity

The average relative humidity in May in Marana is 20%.

Rainfall

The months with the least rainfall in Marana are April and May Rain falls for 2.4 days and accumulates 0.2" (5mm) of rain.

Daylight

In Marana, Arizona, the average length of the day in May is 13h and 50min.
On the first day of the month, sunrise is at 5:37 am and sunset at 7:06 pm. On the last day of May, sunrise is at 5:18 am and sunset at 7:26 pm MST.

Sunshine

The average sunshine in May is 11.9h.

UV index

The average daily maximum UV index in May in Marana is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 7 in May interprets into the following advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

How hot does it get in Marana in May?

An average high-temperature, in May, in Marana, is 88°F (31.1°C) and the average low-temperature is 62.6°F (17°C).

What is the average humidity in May in Marana?

In Marana, the average relative humidity in May is 20%.

What is the driest month in Marana?

April and May are months with the least rain when the rain falls for 2.4 days and typically aggregates up to 0.2" (5mm) of rain.

How many days does it rain in May in Marana?

In Marana, Arizona, during May, the rain falls for 2.4 days and regularly aggregates up to 0.2" (5mm) of precipitation.

What is the average length of the day in May in Marana?

In Marana, Arizona, the average day length in May is 13h and 50min.

When are sunrise and sunset in May in Marana?

In May, on the first day of the month, sunrise is at 5:37 am and sunset at 7:06 pm. On the last day of the month, in Marana, Arizona, sunrise is at 5:18 am and sunset at 7:26 pm MST.

How many hours of sunshine does Marana have in May?

The average sunshine duration in May is 11.9h.

What is the UV index reading in May in Marana?

In Marana, Arizona, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe 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 May
Marana, AZ

Average temperature in May - Marana, AZ
  • Average high temperature in May: 88°F

The warmest month (with the highest average high temperature) is June (99°F).
The month with the lowest average high temperature is December (61.9°F).

  • Average low temperature in May: 62.6°F

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is December (44.6°F).

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Average pressure in May
Marana, AZ

Average pressure in May - Marana, AZ
  • Average pressure in May: 29.85"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 May
Marana, AZ

Average wind speed in May - Marana, AZ
  • Average wind speed in May: 7.9mph

The windiest months (with the highest average wind speed) are April and May (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.5mph).

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Average humidity in May
Marana, AZ

Average humidity in May - Marana, AZ
  • Average humidity in May: 20%

The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (18%).

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Average rainfall in May
Marana, AZ

Average rainfall in May - Marana, AZ
  • Average rainfall in May: 0.2"

The wettest month (with the highest rainfall) is August (1.77").
The driest months (with the least rainfall) are April and May (0.2").

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Average rainfall days in May
Marana, AZ

Average rainfall days in May - Marana, AZ
  • Average rainfall days in May: 2.4 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is May (2.4 days).

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Average daylight in May /
Average sunshine in May
Marana, AZ

Average daylight in May / Average sunshine in May - Marana, AZ
  • Average daylight in May: 13h and 5min

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 May: 11h and 5min

The month with the most sunshine is August (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 May
Marana, AZ

Average sunshine days in May - Marana, AZ
  • Average sunshine days in May: 28.2 days

The month with the most sunshine days is May (28.2 days).
The month with the least sunshine days is July (13 days).

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Average UV index in May
Marana, AZ

Average UV index in May - Marana, AZ
  • Average UV index in May: 7

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 May
Marana, AZ

Average cloud cover in May - Marana, AZ
  • Average cloud cover in May: 8

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 7).

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Average visibility in May
Marana, AZ

Average visibility in May - Marana, AZ
  • Average visibility in May: 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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Marana, Arizona, USA

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