Warm
Average highs sit around 26°C, giving warm days by monthly-average standards.
July verdict
Very good for holiday weather
Average highs sit around 26°C, giving warm days by monthly-average standards. Sunshine averages 10h per day, so bright days are a strong part of the month. Rainfall averages 1mm, which is relatively low for holiday planning.

Monthly averages
Temp
26°C
Rain
1mm
Sun
10h
Sea
20°C
Weather score
82
Very good
Warm
Average highs sit around 26°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 1mm, which is relatively low for holiday planning.
Bright
Sunshine averages 10h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 20°C, so the water can feel cool.
Map
Compare San Diego, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
July26°C average high
July is one of San Diego's warmest months, with daytime heat above the yearly average.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
July1mm average rain
July is one of San Diego's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
July10 hours average sun
July is one of San Diego's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril and July to August
This stretch has the strongest sunshine in the monthly averages.
July20°C average sea
July sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to September
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
July82 weather score
July is one of San Diego's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.
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