July weather forecast
San Luis Rey, CA

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Weather in July

July in San Luis Rey, California, is a warm summer month, with an average temperature fluctuating between 63.1°F (17.3°C) and 76.3°F (24.6°C).

Temperature

July's weather records an average high-temperature of a warm 76.3°F (24.6°C), showing little deviation from June. Throughout the July nights, San Luis Rey encounters a low-temperature of 63.1°F (17.3°C).

Humidity

The average relative humidity in July is 70%.

Rainfall

In San Luis Rey, in July, it is raining for 5.6 days, with typically 0.55" (14mm) of accumulated precipitation. In San Luis Rey, during the entire year, the rain falls for 68.2 days and collects up to 9.49" (241mm) of precipitation.

Daylight

In San Luis Rey, the average length of the day in July is 14h and 6min.
On the first day of July, sunrise is at 5:44 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:49 pm PDT.

Sunshine

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

UV index

July through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 6 during July translates into the following guidance:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in July?

In July, in San Luis Rey, the average high-temperature is 76.3°F (24.6°C), and the average low-temperature is 63.1°F (17.3°C).

What is the average humidity in July?

In San Luis Rey, the average relative humidity in July is 70%.

How many days does it rain in July?

In San Luis Rey, in July, it is raining for 5.6 days, with typically 0.55" (14mm) of accumulated precipitation.

How many hours of daylight does San Luis Rey have in July?

The average day length in July is 14h and 6min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:44 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:49 pm PDT.

What is the month with the most sunshine?

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

How many hours of sunshine does San Luis Rey have in July?

In San Luis Rey, the average sunshine duration in July is 12h.

What is the month with the highest UV index?

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

How high is the UV index in July?

In San Luis Rey, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
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 Luis Rey, CA

Average temperature in July - San Luis Rey, CA
  • Average high temperature in July: 76.3°F

The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (62.4°F).

  • Average low temperature in July: 63.1°F

The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).

Average pressure in July
San Luis Rey, CA

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

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

Average wind speed in July
San Luis Rey, CA

Average wind speed in July - San Luis Rey, CA
  • Average wind speed in July: 5.2mph

The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).

Average humidity in July
San Luis Rey, CA

Average humidity in July - San Luis Rey, CA
  • Average humidity in July: 70%

The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (60%).

Average rainfall in July
San Luis Rey, CA

Average rainfall in July - San Luis Rey, CA
  • Average rainfall in July: 0.55"

The wettest month (with the highest rainfall) is December (1.97").
The driest month (with the least rainfall) is June (0.12").

Average rainfall days in July
San Luis Rey, CA

Average rainfall days in July - San Luis Rey, CA
  • Average rainfall days in July: 5.6 days

The month with the highest number of rainy days is March (8 days).
The month with the least rainy days is June (2.7 days).

Average daylight in July /
Average sunshine in July
San Luis Rey, CA

Average daylight in July / Average sunshine in July - San Luis Rey, 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: 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
San Luis Rey, CA

Average sunshine days in July - San Luis Rey, CA
  • Average sunshine days in July: 21.3 days

The month with the most sunshine days is October (24.2 days).
The month with the least sunshine days is February (20 days).

Average UV index in July
San Luis Rey, CA

Average UV index in July - San Luis Rey, 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).

Average cloud cover in July
San Luis Rey, CA

Average cloud cover in July - San Luis Rey, CA
  • Average cloud cover in July: 11

The month with the most cloud cover is December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 8).

Average visibility in July
San Luis Rey, CA

Average visibility in July - San Luis Rey, 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).

San Luis Rey, California, USA

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