May weather forecast and climate
Parker, AZ

The calm Colorado River, riverside city of Parker in Arizona, and the dramatic mountainous landscape
The calm Colorado River, riverside city of Parker in Arizona, and the dramatic mountainous landscape

Weather in May

May, the last month of the spring, in Parker, is a hot month, with average temperature fluctuating between 68.4°F (20.2°C) and 90.1°F (32.3°C).

Temperature

In May, the average high-temperature marginally rises, from a warm 82.8°F (28.2°C) in April, to a hot 90.1°F (32.3°C). In Parker, Arizona, the average low-temperature is 68.4°F (20.2°C).

Humidity

The average relative humidity in Parker is 19%.

Rainfall

May and June are months with the least rain in Parker when the rain falls for 1.2 days and typically aggregates up to 0.04" (1mm) of rain.

Daylight

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

Sunshine

The average sunshine in May is 11.9h.

UV index

In Parker, Arizona, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 7 interpret into the following advice:
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. 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 Parker?

In Parker, in May, the average high-temperature is 90.1°F (32.3°C), and the average low-temperature is 68.4°F (20.2°C).

What is the average humidity in May in Parker?

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

How many days does it rain in May in Parker?

In May, in Parker, the rain falls for 1.2 days. Throughout May, 0.04" (1mm) of precipitation is accumulated.

What is the driest month in Parker?

May and June are months with the least rain in Parker when the rain falls for 1.2 days and typically aggregates up to 0.04" (1mm) of rain.

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

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

How long on average sun shines in May in Parker?

The average sunshine in May is 11.9h.

What is the UV index reading in May in Parker?

In Parker, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to the UV radiation.

Average temperature in May
Parker, AZ

Average temperature in May - Parker, AZ
  • Average high temperature in May: 90.1°F

The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (61.2°F).

  • Average low temperature in May: 68.4°F

The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is December (47.1°F).

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Average pressure in May
Parker, AZ

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

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.74").

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Average wind speed in May
Parker, AZ

Average wind speed in May - Parker, AZ
  • Average wind speed in May: 8.4mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).

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Average humidity in May
Parker, AZ

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

Months with the highest relative humidity are January and December (39%).
The month with the lowest relative humidity is June (15%).

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Average rainfall in May
Parker, AZ

Average rainfall in May - Parker, AZ
  • Average rainfall in May: 0.04"

The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are May and June (0.04").

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Average rainfall days in May
Parker, AZ

Average rainfall days in May - Parker, AZ
  • Average rainfall days in May: 1.2 days

The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is May (1.2 days).

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

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

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in May: 11.9h

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

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Average sunshine days in May
Parker, AZ

Average sunshine days in May - Parker, AZ
  • Average sunshine days in May: 29.3 days

The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (20.2 days).

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Average UV index in May
Parker, AZ

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

The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in May
Parker, AZ

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

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
Parker, AZ

Average visibility in May - Parker, 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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