July weather forecast
Parker, AZ

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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 July

July in Parker, Arizona, is characterized by peak summer conditions. It emerges as the hottest month of the year with maximum temperatures soaring up to 104.2°F (40.1°C). Various weather elements such as relatively high humidity, increased wind speed, and longer daylight hours contribute to the overall hot environment. Despite the likely increase in cloud cover, rainfall is significantly more prominent than in the preceding months, providing occasional respite from the exhilarating heat.

Temperature

July, with an average high of 104.2°F (40.1°C) and a low of 84.4°F (29.1°C), signifies the warmest month of the year.

Humidity

In Parker, the average relative humidity in July is 24%.

Rainfall

The month with the most rainfall is July, when the rain falls for 7.8 days and typically aggregates up to 0.59" (15mm) of precipitation.

Daylight

The average length of the day in July is 14h and 10min.
On the first day of July, sunrise is at 5:29 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:38 pm MST.

Sunshine

The average sunshine in July is 12h.

UV index

With an average maximum UV index of 9, July is the month with the highest UV index. A UV Index of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 9 during July morphs into the following directions:
Immediate precautions are necessary; otherwise, skin and eyes might get damaged quickly. 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. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Despite the clouds, sunscreen with an SPF of at least 30 should be used liberally and reapplied frequently, especially after a swim or outdoor workout.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

July, noted for its average high-temperature of 104.2°F (40.1°C) and an average low-temperature of 84.4°F (29.1°C), is considered the warmest month.

How hot is it in July?

The average high-temperature, in July, in Parker, is 104.2°F (40.1°C), while the average low-temperature is 84.4°F (29.1°C).

What is the average humidity in July?

In Parker, the average relative humidity in July is 24%.

What is the rainiest month?

The month with the most rainfall is July, when the rain falls for 7.8 days and typically aggregates up to 0.59" (15mm) of precipitation.

How many days does it rain in July?

In Parker, in July, during 7.8 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

How many hours of daylight does Parker have in July?

In Parker, the average day length in July is 14h and 10min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:29 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:38 pm MST.

How many hours of sunshine does Parker have in July?

In Parker, the average sunshine duration in July is 12h.

What is the month with the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 9.

How high is the UV index in July?

The average daily maximum UV index in July is 9. A UV Index value of 8 to 10 symbolizes a very high health threat from 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 July
Parker, AZ

Average temperature in July - Parker, AZ
  • Average high temperature in July: 104.2°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 July: 84.4°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).

Average pressure in July
Parker, AZ

Average pressure in July - Parker, AZ
  • Average pressure in July: 29.8"Hg

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

Average wind speed in July
Parker, AZ

Average wind speed in July - Parker, AZ
  • Average wind speed in July: 7.8mph

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).

Average humidity in July
Parker, AZ

Average humidity in July - Parker, AZ
  • Average humidity in July: 24%

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

Average rainfall in July
Parker, AZ

Average rainfall in July - Parker, AZ
  • Average rainfall in July: 0.59"

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

Average rainfall days in July
Parker, AZ

Average rainfall days in July - Parker, AZ
  • Average rainfall days in July: 7.8 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).

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

Average daylight in July / Average sunshine in July - Parker, AZ
  • Average daylight in July: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in July: 12h and 0min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in July
Parker, AZ

Average sunshine days in July - Parker, AZ
  • Average sunshine days in July: 20.2 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).

Average UV index in July
Parker, AZ

Average UV index in July - Parker, AZ
  • Average UV index in July: 9

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

Average cloud cover in July
Parker, AZ

Average cloud cover in July - Parker, AZ
  • Average cloud cover in July: 11

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

Average visibility in July
Parker, AZ

Average visibility in July - Parker, AZ
  • Average visibility in July: 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).

Parker, Arizona, USA

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