May weather forecast and climate
Red Rock, AZ

Weather in May

The last month of the spring, May, is a hot month in Red Rock, Arizona, with average temperature varying between 62.6°F (17°C) and 88°F (31.1°C).

Temperature

In May, the average high-temperature marginally rises, from a warm 80.2°F (26.8°C) in April, to a tropical 88°F (31.1°C). In Red Rock, the average low-temperature is 62.6°F (17°C).

Humidity

The average relative humidity in May is 20%.

Rainfall

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

Daylight

In May, the average length of the day is 13.8h.

Sunshine

In Red Rock, the average sunshine is 11.9h.

UV index

In May, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in Red Rock?

In Red Rock, Arizona, in May, the average high-temperature 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 Red Rock?

The average relative humidity in May in Red Rock is 20%.

How many days does it rain in May in Red Rock?

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

What is the driest month in Red Rock?

Months with the least rainfall in Red Rock, Arizona, are April and May Rain falls for 2.4 days and accumulates 0.2" (5mm) of rain.

How many hours of daylight does Red Rock have in May?

In Red Rock, the average length of the day in May is 13.8h.

How many hours of sunshine does Red Rock have in May?

In May, the average sunshine in Red Rock, Arizona, is 11.9h.

How high is the UV index in May in Red Rock?

In Red Rock, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to the UV radiation.

Average temperature in May
Red Rock, AZ

Average temperature in May - Red Rock, 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
Red Rock, AZ

Average pressure in May - Red Rock, AZ
  • Average pressure in May: 29.85"

The month with the highest atmospheric pressure is January (30.07").
The month with the lowest atmospheric pressure is June (29.82").

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Average wind speed in May
Red Rock, AZ

Average wind speed in May - Red Rock, 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
Red Rock, AZ

Average humidity in May - Red Rock, 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
Red Rock, AZ

Average rainfall in May - Red Rock, 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
Red Rock, AZ

Average rainfall days in May - Red Rock, 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
Red Rock, AZ

Average daylight in May / Average sunshine in May - Red Rock, AZ
  • Average daylight in May: 13.8h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in May: 11.9h

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days in May
Red Rock, AZ

Average sunshine days in May - Red Rock, 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
Red Rock, AZ

Average UV index in May - Red Rock, AZ
  • Average UV index in May: 7

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
Red Rock, AZ

Average cloud cover in May - Red Rock, 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
Red Rock, AZ

Average visibility in May - Red Rock, AZ
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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