San Francisco weather in June
June in San Francisco: nice, dry, with clean air — one of the best months to visit.
#2 of 12 months in San Francisco · #11 of 604 destinations to visit in June · comfort 95/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
San Francisco climate normals — June
| Daytime high | 22°C / 71°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Feels like (high) | 21°C / 70°F | |
| Rainfall | 1 mm / 0 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 10°C / 51°F | |
| Sunshine | 13.3 h/day | |
| Daylight | 14.7 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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San Francisco in June — FAQ
- Is June a good time to visit San Francisco?
- June in San Francisco: nice, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for San Francisco on SeasonMap's comfort score (95/100).
- What is the weather like in San Francisco in June?
- In June, San Francisco averages a daily high of 21.8°C and a low of 12.4°C, with about 0.6 mm of rain over roughly 0.4 rainy days.
- What is the air quality in San Francisco in June?
- San Francisco has a mean US Air Quality Index of about 41 in June.