July weather forecastLake Forest, CA
July
Weather in July
July, the same as June, is another warm summer month in Lake Forest, California, with an average temperature varying between 63°F (17.2°C) and 80.4°F (26.9°C).Temperature
Lake Forest's average high-temperature in July is a still moderately hot 80.4°F (26.9°C), indicating a subtle variation from June. July nights cool down to an average low-temperature of 63°F (17.2°C).Humidity
The average relative humidity in July is 65%.Rainfall
In Lake Forest, in July, it is raining for 5.3 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, there are 65.4 rainfall days, and 9.17" (233mm) of precipitation is accumulated.Daylight
The average length of the day in July in Lake Forest is 14h and 8min.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 7:51 pm PDT.
Sunshine
The months with the most sunshine in Lake Forest are July and August, with an average of 12h of 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 value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In July, the maximum UV index of 6 suggests these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. 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. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Lake Forest, CA
- Average high temperature in July: 80.4°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in July: 63°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in July
Lake Forest, CA
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in July
Lake Forest, CA
- Average wind speed in July: 4.8mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest months (with the lowest average wind speed) are August and September (4.5mph).
Average humidity in July
Lake Forest, CA
- Average humidity in July: 65%
The months with the highest relative humidity are May and June (69%).
The month with the lowest relative humidity is November (55%).
Average rainfall in July
Lake Forest, CA
- Average rainfall in July: 0.47"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in July
Lake Forest, CA
- Average rainfall days in July: 5.3 days
The month with the highest number of rainy days is March (8.1 days).
The month with the least rainy days is June (2 days).
Average daylight in July /
Average sunshine in July
Lake Forest, 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
Lake Forest, CA
- Average sunshine days in July: 22.3 days
The months with the most sunshine days are January and October (24.2 days).
The month with the least sunshine days is May (19.3 days).
Average UV index in July
Lake Forest, 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
Lake Forest, CA
- Average cloud cover in July: 9
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in July
Lake Forest, 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).





