Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
The arrival of July marks a slight shift to an average high-temperature of a still moderately hot 79°F (26.1°C) from June's 74.1°F (23.4°C). San Ysidro witnesses a consistent average low-temperature of 64.9°F (18.3°C) throughout July.Humidity
In San Ysidro, the average relative humidity in July is 66%.Rainfall
In July, in San Ysidro, the rain falls for 4.6 days. Throughout July, 0.35" (9mm) of precipitation is accumulated. In San Ysidro, during the entire year, the rain falls for 57.8 days and collects up to 7.28" (185mm) of precipitation.Daylight
The average length of the day in July is 14h and 2min.On the first day of the month, sunrise is at 5:44 am and sunset at 7:59 pm. On the last day of July, sunrise is at 6:02 am and sunset at 7:46 pm PDT.
Sunshine
July has the most sunshine of the year in San Ysidro, with an average of 12h of sunshine.UV index
The months with the highest UV index in San Ysidro are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 6 in July transforms into the following instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the usual temperature for San Ysidro in July?
What is the average humidity in July in San Ysidro?
How much does it rain in San Ysidro in July?
What is the average length of the day in July in San Ysidro?
What time are sunrise and sunset in July in San Ysidro?
What month has the most sunshine in San Ysidro?
How many hours of sunshine does San Ysidro have in July?
What are the months with the highest UV index in San Ysidro?
What is the UV index intensity in July in San Ysidro?
Average temperature in July
San Ysidro, CA
- Average high temperature in July: 79°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (64°F).
- Average low temperature in July: 64.9°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is February (50.2°F).
Average pressure in July
San Ysidro, CA
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.88"Hg).
Average wind speed in July
San Ysidro, 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 Ysidro, CA
- Average humidity in July: 66%
The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is November (55%).
Average rainfall in July
San Ysidro, CA
- Average rainfall in July: 0.35"
The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in July
San Ysidro, CA
- Average rainfall days in July: 4.6 days
The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is June (1.8 days).
Average daylight in July /
Average sunshine in July
San Ysidro, CA
- Average daylight in July: 14h and 0min
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 6min).
- Average sunshine in July: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in July
San Ysidro, CA
- Average sunshine days in July: 23.7 days
The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in July
San Ysidro, 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
San Ysidro, CA
- Average cloud cover in July: 11
The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in July
San Ysidro, 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 Ysidro, California, USA
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