May weather forecast and climate
Riviera, AZ

Weather in May

May, the last month of the spring, in Riviera, is a tropical month, with average temperature fluctuating between 64.6°F (18.1°C) and 86.2°F (30.1°C).

Temperature

In May, the average high-temperature marginally rises, from a moderately hot 77.9°F (25.5°C) in April, to a tropical 86.2°F (30.1°C). In May, in Riviera, Arizona, the average low-temperature is 64.6°F (18.1°C).

Humidity

In May, the average relative humidity in Riviera is 19%.

Rainfall

In May, the rain falls for 2.3 days. Throughout May, 0.12" (3mm) of precipitation is accumulated. Throughout the year, there are 44 rainfall days, and 4.21" (107mm) of precipitation is accumulated.

Snowfall

In Riviera snow does not fall in January through November.

Daylight

In May, the average length of the day in Riviera is 14h.

Sunshine

The average sunshine in May is 11.9h.

UV index

In May, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Riviera?

The average high-temperature, in May, in Riviera, Arizona, is 86.2°F (30.1°C), while the average low-temperature is 64.6°F (18.1°C).

What is the average humidity in May in Riviera?

The average relative humidity in May is 19%.

How many days does it rain in May in Riviera?

In Riviera, in May, it is raining for 2.3 days, with typically 0.12" (3mm) of accumulated precipitation.

When it does not snow in Riviera?

In Riviera, Arizona, snow does not fall in January through November.

How many hours of daylight does Riviera have in May?

The average length of the day in May is 14h.

How many hours of sunshine does Riviera have in May?

The average sunshine in May in Riviera, Arizona, is 11.9h.

What is the UV index intensity in May in Riviera?

The average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in May
Riviera, AZ

Average temperature in May - Riviera, AZ
  • Average high temperature in May: 86.2°F

The warmest month (with the highest average high temperature) is July (100.8°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in May: 64.6°F

The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is December (43.5°F).

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Average pressure in May
Riviera, AZ

Average pressure in May - Riviera, AZ
  • Average pressure in May: 29.8"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.76").

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Average wind speed in May
Riviera, AZ

Average wind speed in May - Riviera, AZ
  • Average wind speed in May: 9.9mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).

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Average humidity in May
Riviera, AZ

Average humidity in May - Riviera, AZ
  • Average humidity in May: 19%

The month with the highest relative humidity is January (42%).
The month with the lowest relative humidity is June (14%).

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Average rainfall in May
Riviera, AZ

Average rainfall in May - Riviera, AZ
  • Average rainfall in May: 0.12"

The wettest month (with the highest rainfall) is December (0.67").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in May
Riviera, AZ

Average rainfall days in May - Riviera, AZ
  • Average rainfall days in May: 2.3 days

The month with the highest number of rainy days is July (5.9 days).
The month with the least rainy days is June (1.1 days).

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Average snowfall days in May
Riviera, AZ

Average snowfall days in May - Riviera, AZ
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in May / Average sunshine in May - Riviera, AZ
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in May: 11.9h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average sunshine days in May
Riviera, AZ

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

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is July (20.3 days).

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Average UV index in May
Riviera, AZ

Average UV index in May - Riviera, 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
Riviera, AZ

Average cloud cover in May - Riviera, AZ
  • Average cloud cover in May: 9

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in May
Riviera, AZ

Average visibility in May - Riviera, 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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