May weather forecast
Oro Valley, AZ

Weather in May

The last month of the spring, May, is also a moderately hot month in Oro Valley, Arizona, with average temperature varying between 60.4°F (15.8°C) and 84.7°F (29.3°C).

Temperature

In Oro Valley, the average high-temperature in May slightly increases, from 77°F (25°C) in April, to a still moderately hot 84.7°F (29.3°C). In Oro Valley, the average low-temperature is 60.4°F (15.8°C).

Humidity

In May, the average relative humidity in Oro Valley is 21%.

Rainfall

Months with the least rainfall in Oro Valley are April and May Rain falls for 2.6 days and accumulates 0.24" (6mm) of rain.

Snowfall

January, March through December are months without snowfall.

Daylight

The average length of the day in Oro Valley is 13.8h.

Sunshine

The average sunshine in May is 11.9h.

UV index

In May, the average daily maximum UV index in Oro Valley is 7. A UV Index of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 7 in May transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in May in Oro Valley?

The average relative humidity in May in Oro Valley is 21%.

What is the driest month in Oro Valley?

April and May are months with the least rain when the rain falls for 2.6 days and typically aggregates up to 0.24" (6mm) of rain.

How many days does it rain in May in Oro Valley?

In May, the rain falls for 2.6 days. Throughout May, 0.24" (6mm) of precipitation is accumulated.

When it does not snow in Oro Valley?

January, March through December are months without snowfall in Oro Valley.

What is the average length of the day in May in Oro Valley?

The average length of the day in May is 13.8h.

How many hours of sunshine does Oro Valley have in May?

The average sunshine in May is 11.9h.

What is the UV index intensity in May in Oro Valley?

The average daily maximum UV index in May in Oro Valley is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV rays.

Average temperature in May
Oro Valley, AZ

Average temperature in May - Oro Valley, AZ
  • Average high temperature in May: 84.7°F

The warmest month (with the highest average high temperature) is June (95.5°F).
The month with the lowest average high temperature is December (60.1°F).

  • Average low temperature in May: 60.4°F

Months with the highest average low temperature are July and August (76.6°F).
The coldest month (with the lowest average low temperature) is December (42.8°F).

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Average pressure in May
Oro Valley, AZ

Average pressure in May - Oro Valley, AZ
  • Average pressure in May: 29.86"

The month with the highest atmospheric pressure is January (30.08").
The month with the lowest atmospheric pressure is June (29.83").

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Average wind speed in May
Oro Valley, AZ

Average wind speed in May - Oro Valley, AZ
  • Average wind speed in May: 8.1mph

The windiest month (with the highest average wind speed) is May (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in May
Oro Valley, AZ

Average humidity in May - Oro Valley, AZ
  • Average humidity in May: 21%

The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (20%).

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Average rainfall in May
Oro Valley, AZ

Average rainfall in May - Oro Valley, AZ
  • Average rainfall in May: 0.24"

The wettest month (with the highest rainfall) is July (2.68").
The driest months (with the least rainfall) are April and May (0.24").

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Average rainfall days in May
Oro Valley, AZ

Average rainfall days in May - Oro Valley, AZ
  • Average rainfall days in May: 2.6 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is May (2.6 days).

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Average snowfall in May
Oro Valley, AZ

Average snowfall in May - Oro Valley, AZ
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.31").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Oro Valley, AZ

Average snowfall days in May - Oro Valley, AZ
  • Average snowfall days in May: 0 days

Months with the highest number of snowfall days are January and February (0.2 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in May /
Average sunshine in May
Oro Valley, AZ

Average daylight in May / Average sunshine in May - Oro Valley, 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: 10.1h).

  • Average sunshine in May: 11.9h

Months with the most sunshine are June and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in May
Oro Valley, AZ

Average sunshine days in May - Oro Valley, AZ
  • Average sunshine days in May: 28.1 days

The month with the most sunshine days is May (28.1 days).
The month with the least sunshine days is July (10 days).

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Average UV index in May
Oro Valley, AZ

Average UV index in May - Oro Valley, AZ
  • Average UV index in May: 7

The month with the highest UV index is June (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in May
Oro Valley, AZ

Average cloud cover in May - Oro Valley, AZ
  • Average cloud cover in May: 8

Months with the most cloud cover are July and December (Cloud cover 21).
Months with the least cloud cover are May and June (Cloud cover 8).

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Average visibility in May
Oro Valley, AZ

Average visibility in May - Oro Valley, 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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