Weather in San Diego in June 2025
Average weather
Average temperature in San Diego in June
The temperature in June is +21°C on average, with a range between a maximum of +23°C during the day and a minimum of +15°C at night.
The average maximum temperature goes up 63% by the end of the month, compared with the beginning of the month, from +18°C to +23°C.
Is San Diego warm or cold in June?
San Diego is typically mild in June.
Maximum temperatures go up compared to the previous month from +20°C to +21°C. The minimum temperature also goes up from +15°C to +17°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how June is compared to other months in San Diego:
Water temperature in San Diego in June
Water in San Diego in June is Fresh. It varies from +16°C to +20°C, with an average of +18°C. This is almost similar to the air temperature, which averages +21°C.
In June, water temperatures are average relative to the rest of the year:
Can you swim in San Diego in June?
Climate in San Diego in June
| May | June | July | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +20°C | +21°C | +23°C | ||||
| Min. temperature | ||||||
| +10°C | +12°C | +15°C | ||||
| Max. temperature | ||||||
| +36°C | +34°C | +35°C | ||||
| Rainfall | ||||||
| 10 mm | 3 mm | 2 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +17°C | +18°C | +19°C | ||||
| Humidity | ||||||
| 72% | 75% | 76% | ||||
| Air pressure | ||||||
| 1013 HPa | 1012 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 4 | 3 | 3 | ||||
| Cloudy days | ||||||
| 21 | 24 | 26 | ||||
| Rainy days | ||||||
| 7 | 3 | 2 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
June weather is still as good as in May. It’s getting warmer as June arrives. The average maximum temperature goes up from +20°C to +21°C during the day. As June arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 10 mm to 3 mm. Humidity rises from 72% to 75%. The average wind speed doesn’t change much during June, staying around 3 m/s. The days becoming less sunny, going from 4 sunny days in May to 3 in June.
July brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in San Diego is gradually increasing during June, going from 3 m/s to 3 m/s over the course of the month.
Rain
How was the weather last June in San Diego?
Climate Change over Years
The climate in San Diego in June has not changed much over the last 43 years.
The average temperature was the lowest in 2001 (+19°C) and the highest in 2014 (+23°C). The driest year was 2002 with only 156 mm of rainfall, and the wettest year was 2023 with 1311 mm.
FAQ
Is June a good time to visit San Diego?
Can you sunbathe in San Diego in June?
Can you swim in San Diego in June?
Is San Diego rainy in June?
Is it sunny in San Diego in June?
Other cities in USA
Monthly weather in San Diego
Source of the data
For this page, we’ve looked at the typical weather in San Diego, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.