San Diego weather in June
June in San Diego: warm, dry, with clean air — an excellent time to visit.
#4 of 12 months in San Diego · #159 of 604 destinations to visit in June · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
San Diego climate normals — June
| Daytime high | 23°C / 73°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 60°F | |
| Feels like (high) | 24°C / 75°F | |
| Rainfall | 3 mm / 0.1 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 13 h/day | |
| Daylight | 14.3 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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San Diego in June — FAQ
- Is June a good time to visit San Diego?
- June in San Diego: warm, dry, with clean air — an excellent time to visit. It ranks #4 of 12 months for San Diego on SeasonMap's comfort score (88/100).
- What is the weather like in San Diego in June?
- In June, San Diego averages a daily high of 22.5°C and a low of 15.6°C, with about 2.6 mm of rain over roughly 1.2 rainy days.
- What is the air quality in San Diego in June?
- San Diego has a mean US Air Quality Index of about 45 in June.