July weather forecastIrvine, CA
July
Weather in July
July is the warmest month in Irvine, with an average high temperature that peaks at 77.9°F (25.5°C). In spite of such high temperatures, the city avoids oppressive heat because of its signature coastal breeze. This is also the heart of summer in Irvine, thus making it a hotspot for outdoor events such as carnivals, food festivals, and open-air concerts. The dominance of sunny, dry days also means irrigation is a key task this month for residents who have gardens. Despite the heat, life in July is characterized by an active, outdoors nature.Temperature
With the onset of July, the average high-temperature registers at a still warm 77.9°F (25.5°C), subtly different from June's 73.6°F (23.1°C). Irvine experiences a steady low-temperature of 63.3°F (17.4°C) throughout July.Humidity
In July, the average relative humidity is 67%.Rainfall
In Irvine, during July, the rain falls for 5 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, there are 63.7 rainfall days, and 7.91" (201mm) of precipitation is accumulated.Daylight
In July, the average length of the day is 14h and 8min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:05 pm. On the last day of July, sunrise is at 6:03 am and sunset at 7:51 pm PDT.
Sunshine
July and August, with an average of 12h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 6 during July, leads to the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Irvine, CA
- Average high temperature in July: 77.9°F
The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (63°F).
- Average low temperature in July: 63.3°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).
Average pressure in July
Irvine, CA
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in July
Irvine, CA
- Average wind speed in July: 5.2mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (4.8mph).
Average humidity in July
Irvine, CA
- Average humidity in July: 67%
The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (56%).
Average rainfall in July
Irvine, CA
- Average rainfall in July: 0.43"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in July
Irvine, CA
- Average rainfall days in July: 5 days
The month with the highest number of rainy days is March (7.9 days).
The month with the least rainy days is June (2.2 days).
Average daylight in July /
Average sunshine in July
Irvine, CA
- Average daylight in July: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in July: 12h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in July
Irvine, CA
- Average sunshine days in July: 22.7 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is May (19.7 days).
Average UV index in July
Irvine, CA
- Average UV index in July: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in July
Irvine, CA
- Average cloud cover in July: 9
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in July
Irvine, CA
- 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).
