July weather forecastPortal, AZ
July
Weather in July
July continues to ride the wave of summer heat in Portal, Arizona, with temperatures remaining high. In addition to the higher temperatures, this month experiences an increased amount of rainfall. Despite being in the summer season, July records the highest rainfall of the year at approximately 1.81" (46mm). In contrast to the earlier summer months, humidity is significantly higher, and there is an increase in cloud coverage, providing occasional respite from the intense sun.Temperature
The shift into July finds Portal at an average high-temperature of a still tropical 91°F (32.8°C), closely comparable to June's conditions. Throughout the July nights, Portal encounters a low-temperature of 73°F (22.8°C).Humidity
In July, the average relative humidity is 38%.Rainfall
The month with the most rainfall is July, when the rain falls for 15 days and typically aggregates up to 1.81" (46mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in July is 14h and 0min.On the first day of July, sunrise is at 5:14 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 7:13 pm MST.
Sunshine
In July, the average sunshine is 11.6h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In July, a regular UV index of 7 translates into these guidelines:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. 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. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Portal, AZ
- Average high temperature in July: 91°F
The warmest month (with the highest average high temperature) is June (92.8°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in July: 73°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).
Average pressure in July
Portal, AZ
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in July
Portal, AZ
- Average wind speed in July: 8.6mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is January (7.1mph).
Average humidity in July
Portal, AZ
- Average humidity in July: 38%
The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is May (21%).
Average rainfall in July
Portal, AZ
- Average rainfall in July: 1.81"
The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is April (0.12").
Average rainfall days in July
Portal, AZ
- Average rainfall days in July: 15 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is May (2.1 days).
Average snowfall in July
Portal, AZ
- Average snowfall in July: 0"
The month with the highest snowfall is December (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Portal, AZ
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Portal, AZ
- Average daylight in July: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in July: 11h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in July
Portal, AZ
- Average sunshine days in July: 9.9 days
The month with the most sunshine days is May (28.5 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in July
Portal, AZ
- Average UV index in July: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in July
Portal, AZ
- Average cloud cover in July: 20
The months with the most cloud cover are July and December (Cloud cover 20).
The month with the least cloud cover is May (Cloud cover 8).
Average visibility in July
Portal, 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).
