July weather forecast and climate
Irvine, CA

The neon-lit city of Irvine in California, with highway lights and the distant hill ranges and skyscape
The neon-lit city of Irvine in California, with highway lights and the distant hill ranges and skyscape
July, like June, in Irvine, California, is a moderately hot summer month, with average temperature varying between 63.3°F (17.4°C) and 77.9°F (25.5°C).

Temperature

In July, the average high-temperature is practically the same as in June - a still moderately hot 77.9°F (25.5°C). In Irvine, in July, the average low-temperature is 63.3°F (17.4°C).

Humidity

In July, the average relative humidity in Irvine is 67%.

Rainfall

In July, the rain falls for 5 days. Throughout July, 0.43" (11mm) of precipitation is accumulated. Throughout the year, in Irvine, there are 63.7 rainfall days, and 7.91" (201mm) of precipitation is accumulated.

Daylight

In July, the average length of the day in Irvine is 14.1h.

Sunshine

Months with the most sunshine are July and August, with an average of 12h of sunshine.

UV index

Months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in July in Irvine?

In July, in Irvine, California, the average high-temperature is 77.9°F (25.5°C), and the average low-temperature is 63.3°F (17.4°C).

What is the average humidity in July in Irvine?

In Irvine, the average relative humidity in July is 67%.

How much does it rain in Irvine in July?

In Irvine, California, in July, it is raining for 5 days, with typically 0.43" (11mm) of accumulated precipitation.

How many hours of daylight does Irvine have in July?

In July, the average length of the day in Irvine is 14.1h.

What is the month with the most sunshine in Irvine?

July and August, with an average of 12h of sunshine, are months with the most sunshine in Irvine.

How many hours of sunshine does Irvine have in July?

In Irvine, California, the average sunshine in July is 12h.

What is the month with the highest UV index in Irvine?

June through September, with an average maximum UV index of 6, are months with the highest UV index in Irvine.

What is the UV index intensity in July in Irvine?

In Irvine, California, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the Sun's UV rays.
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"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.88").

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: 14.1h

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 July: 12h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.6h).

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

Months with the highest UV index are June, July, August and September (UV index 6).
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

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).