July weather forecastRancho Bernardo, CA
July
Weather in July
July, like June, in Rancho Bernardo, California, is a moderately hot summer month, with an average temperature ranging between max 82.2°F (27.9°C) and min 62.4°F (16.9°C).Temperature
July's advent denotes a minor fluctuation in the average high-temperature to a still warm 82.2°F (27.9°C) from June's 77.2°F (25.1°C). Throughout the month of July, Rancho Bernardo reports a steady low-temperature average of 62.4°F (16.9°C).Heat index
In July, the heat index is appraised at a hot 86°F (30°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
In July, the average relative humidity is 64%.Rainfall
In Rancho Bernardo, in July, during 4.8 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 54.7 rainfall days, and 8.15" (207mm) of precipitation is accumulated.Daylight
The average length of the day in July is 14h and 5min.On the first day of the month, sunrise is at 5:43 am and sunset at 8:01 pm. On the last day of July, sunrise is at 6:01 am and sunset at 7:47 pm PDT.
Sunshine
With an average of 12h of sunshine, July has the most sunshine of the year.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index in Rancho Bernardo. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 6 in July translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Rancho Bernardo, CA
- Average high temperature in July: 82.2°F
The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is December (63.9°F).
- Average low temperature in July: 62.4°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 (47.1°F).
Average pressure in July
Rancho Bernardo, CA
- Average pressure in July: 29.9"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.87"Hg).
Average wind speed in July
Rancho Bernardo, CA
- Average wind speed in July: 4.7mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are September and October (4.3mph).
Average humidity in July
Rancho Bernardo, CA
- Average humidity in July: 64%
The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is November (54%).
Average rainfall in July
Rancho Bernardo, CA
- Average rainfall in July: 0.39"
The wettest month (with the highest rainfall) is February (1.61").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in July
Rancho Bernardo, CA
- Average rainfall days in July: 4.8 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.6 days).
Average daylight in July /
Average sunshine in July
Rancho Bernardo, CA
- Average daylight in July: 14h and 6min
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 month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 42min).
Average sunshine days in July
Rancho Bernardo, CA
- Average sunshine days in July: 23.8 days
The month with the most sunshine days is June (27 days).
The month with the least sunshine days is February (21.2 days).
Average UV index in July
Rancho Bernardo, 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, November and December (UV index 4).
Average cloud cover in July
Rancho Bernardo, CA
- Average cloud cover in July: 9
The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in July
Rancho Bernardo, 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).
