July weather forecast
San Clemente, CA

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Weather in July

July is a moderately hot summer month in San Clemente, California, with an average temperature ranging between max 75.6°F (24.2°C) and min 62.2°F (16.8°C).

Temperature

The unfolding of July shows an average high-temperature of a warm 75.6°F (24.2°C), indicating a slight variance from June's 71.2°F (21.8°C). During July, the average low-temperature is recorded at a refreshing 62.2°F (16.8°C).

Humidity

The average relative humidity in July in San Clemente, California, is 72%.

Rainfall

In San Clemente, California, during July, the rain falls for 4.3 days and regularly aggregates up to 0.24" (6mm) of precipitation. In San Clemente, California, during the entire year, the rain falls for 51.1 days and collects up to 3.66" (93mm) of precipitation.

Ocean temperature

In San Clemente, California, the average seawater temperature in July is 68°F (20°C).
Note: Most people find it challenging to enjoy swimming in water that is 68°F (20°C). As water temperature falls below 69.8°F (21°C), controlling breathing grows increasingly difficult.

Daylight

In San Clemente, the average length of the day in July is 14h and 7min.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:04 pm. On the last day of July, sunrise is at 6:02 am and sunset at 7:50 pm PDT.

Sunshine

The months with the most sunshine are July and August, with an average of 11.8h of sunshine.

UV index

The months with the highest UV index in San Clemente are July through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 6 in July leads to these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What are the temperatures in San Clemente in July?

The high-temperature in San Clemente, California, during July is 75.6°F (24.2°C) and the low-temperature is 62.2°F (16.8°C).

What is the average humidity in July in San Clemente?

In July, the average relative humidity in San Clemente, California, is 72%.

How many days does it rain in July in San Clemente?

In San Clemente, during July, the rain falls for 4.3 days and regularly aggregates up to 0.24" (6mm) of precipitation.

How cold is the water in July in San Clemente?

In San Clemente, California, the average seawater temperature in July is 68°F (20°C). Swimming in 68°F (20°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

How many hours of daylight does San Clemente have in July?

The average day length in July in San Clemente, California, is 14h and 7min.

When is the sunrise / sunset in July in San Clemente?

On the first day of July in San Clemente, sunrise is at 5:44 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:50 pm PDT.

What are the months with the most sunshine in San Clemente?

The months with the most sunshine in San Clemente are July and August, with an average of 11.8h of sunshine.

How long on average sun shines in July in San Clemente?

In San Clemente, California, the average sunshine duration in July is 11.8h.

What is the month with the highest UV index in San Clemente?

July through September, with an average maximum UV index of 6, are months with the highest UV index in San Clemente, California.

How high is the UV index in July in San Clemente?

In San Clemente, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe 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
San Clemente, CA

Average temperature in July - San Clemente, CA
  • Average high temperature in July: 75.6°F

The warmest month (with the highest average high temperature) is September (77.4°F).
The month with the lowest average high temperature is December (62.6°F).

  • Average low temperature in July: 62.2°F

The months with the highest average low temperature are August and September (63.5°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).

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Average pressure in July
San Clemente, CA

Average pressure in July - San Clemente, CA
  • Average pressure in July: 29.91"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in July
San Clemente, CA

Average wind speed in July - San Clemente, CA
  • Average wind speed in July: 5mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are August and September (4.9mph).

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Average humidity in July
San Clemente, CA

Average humidity in July - San Clemente, CA
  • Average humidity in July: 72%

The month with the highest relative humidity is June (75%).
The month with the lowest relative humidity is November (60%).

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Average rainfall in July
San Clemente, CA

Average rainfall in July - San Clemente, CA
  • Average rainfall in July: 0.24"

The wettest month (with the highest rainfall) is December (0.71").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in July
San Clemente, CA

Average rainfall days in July - San Clemente, CA
  • Average rainfall days in July: 4.3 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.4 days).

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Average sea temperature in July
San Clemente, CA

Average sea temperature in July - San Clemente, CA
  • Average sea temperature in July: 68°F

The best month for swimming (with the highest average sea temperature) is August (68.3°F).
The coldest months (with the lowest average sea temperature) are January and February (58.9°F).

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Average daylight in July /
Average sunshine in July
San Clemente, CA

Average daylight in July / Average sunshine in July - San Clemente, CA
  • Average daylight in July: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in July: 11h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in July
San Clemente, CA

Average sunshine days in July - San Clemente, CA
  • Average sunshine days in July: 24.3 days

The month with the most sunshine days is October (26 days).
The month with the least sunshine days is February (21.6 days).

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Average UV index in July
San Clemente, CA

Average UV index in July - San Clemente, CA
  • Average UV index in July: 6

The months with the highest UV index are 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
San Clemente, CA

Average cloud cover in July - San Clemente, CA
  • Average cloud cover in July: 14

The months with the most cloud cover are March and May (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 11).

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Average visibility in July
San Clemente, CA

Average visibility in July - San Clemente, 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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San Clemente, California, USA

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