July weather forecast
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

Weather in July

July, like June, in Irvine, California, is a moderately hot summer month, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 77.9°F (25.5°C).

Temperature

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

Humidity

The average relative humidity in July in Irvine, California, is 67%.

Rainfall

In July, the rain falls for 5 days. Throughout July, 0.43" (11mm) of precipitation is accumulated. In Irvine, during the entire year, the rain falls for 63.7 days and collects up to 7.91" (201mm) of precipitation.

Daylight

In Irvine, the average length of the day in July 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 6:02 am and sunset at 7:52 pm PDT.

Sunshine

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

UV index

The months with the highest UV index in Irvine are June through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in July transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. 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 average humidity in July in Irvine?

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

How much does it rain in Irvine in July?

In July, in Irvine, the rain falls for 5 days. Throughout July, 0.43" (11mm) of precipitation is accumulated.

What is the average length of the day in July in Irvine?

In July, the average day length in Irvine is 14h and 8min.

What time are sunrise and sunset in July in Irvine?

On the first day of July, sunrise is at 5:44 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:52 pm PDT.

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.

How long on average sun shines in July in Irvine?

In July, the average sunshine duration 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 reading in July in Irvine?

The average daily maximum UV index in July in Irvine, California, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Irvine, CA

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).

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Average pressure in July
Irvine, CA

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).

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Average wind speed in July
Irvine, CA

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).

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Average humidity in July
Irvine, CA

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%).

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Average rainfall in July
Irvine, CA

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").

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Average rainfall days in July
Irvine, CA

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).

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Average daylight in July /
Average sunshine in July
Irvine, CA

Average daylight in July / Average sunshine in July - Irvine, CA
  • Average daylight in July: 14h and 8min

The month with the longest days is June (Average daylight: 14h and 22min).
The month with the shortest days is December (Average daylight: 9h and 58min).

  • 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).

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Average sunshine days in July
Irvine, CA

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).

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Average UV index in July
Irvine, CA

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).

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Average cloud cover in July
Irvine, CA

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).

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Average visibility in July
Irvine, CA

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).

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