United States San Francisco Weather in June (Karl the Fog begins) — Climate Guide
June (Karl the Fog begins) in San Francisco is Moderate
June (Karl the Fog begins) is Moderate for San Francisco.
June is **Pride month** — SF's defining cultural event. The Pride Parade (last Sunday) brings 1 million+ attendees to Market Street; the entire weekend is festive city-wide. Karl the Fog returns: foggy mornings + cool 13°C nights despite calendar summer. Mark Twain's 'coldest winter is summer in SF' becomes literally true.
Travel score
San Francisco June (Karl the Fog begins) Weather Stats
Avg High
19°C
Avg Low
13°C
Rainy Days
1
5mm total
Sunshine
9h
Daily avg
Humidity
75%
Slightly humid
UV Index
9
Very high
Wind
16 km/h
Gusts 35
Sea Temp
15°C
Avg water temp
Crowds
Very busy
At attractions
June (Karl the Fog begins) Sunrise & Sunset
Air Quality
PM2.5
9 μg/m³
PM10
18 μg/m³
Status
Good
Feels-Like Temperature & Wind
Feels like
Daytime
19°C
Nighttime
13°C
Humidity and wind affect how the actual temperature feels.
Wind
16 km/h
Max gust 35 km/h
Activities Recommended for June (Karl the Fog begins)
June (Karl the Fog begins) Travel Pros & Cons
Pros
- SF Pride Parade (THE event)
- Golden Gate with fog = iconic photo
Cons
- 19/13°C cool for 'summer'
- Fog 6-8am most days
June (Karl the Fog begins) Events & Festivals
- Pride Parade (last Sunday in June, 1 million+ attendees)
- Start of summer
San Francisco in June (Karl the Fog begins) — Full Picture
June is **Pride month** — SF's defining cultural event. The Pride Parade (last Sunday) brings 1 million+ attendees to Market Street; the entire weekend is festive city-wide. Karl the Fog returns: foggy mornings + cool 13°C nights despite calendar summer. Mark Twain's 'coldest winter is summer in SF' becomes literally true.
What to Wear & What to Pack
Early summer + fog — high 19°C, low 13°C. Sweater + light jacket essential evenings. T-shirt during sunny afternoons; layers ready when fog returns.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
17.3°C
11°C
5.3/mo
Summer (Jun·Jul·Aug)
Current19.3°C
13.3°C
0.3/mo
Autumn (Sep·Oct·Nov)
20.3°C
12.7°C
3.7/mo
Winter (Dec·Jan·Feb)
14.3°C
8.3°C
10.3/mo
San Francisco Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 14° | 8° | 11d·110mm | 5h | 75% | 3 | Quiet | Low season | |
| 15° | 9° | 10d·110mm | 6h | 73% | 4 | Quiet | Low season | |
| 16° | 10° | 8d·75mm | 8h | 70% | 5 | Moderate | Shoulder | |
| 17° | 11° | 5d·35mm | 9h | 70% | 7 | Moderate | Shoulder | |
| May (Best) | 19° | 12° | 3d·18mm | 10h | 70% | 8 | Busy | Peak |
| 19° | 13° | 1d·5mm | 9h | 75% | 9 | Very busy | Peak | |
| 19° | 13° | 0d·0mm | 9h | 78% | 10 | Very busy | Peak | |
| 20° | 14° | 0d·0mm | 9h | 78% | 9 | Very busy | Peak | |
| 22° | 14° | 1d·8mm | 10h | 73% | 8 | Very busy | Peak | |
| 21° | 13° | 3d·28mm | 8h | 73% | 6 | Very busy | Peak | |
| 18° | 11° | 7d·70mm | 7h | 73% | 4 | Busy | Peak | |
| 14° | 8° | 10d·110mm | 5h | 75% | 3 | Very busy | Peak |
View Other Months
San Francisco June (Karl the Fog begins) Hotel Picks
Frequently Asked Questions
Is June (Karl the Fog begins) a good time to visit San Francisco?
San Francisco in June (Karl the Fog begins) is Moderate. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in San Francisco in June (Karl the Fog begins)?
San Francisco June (Karl the Fog begins) averages a high of 19°C and a low of 13°C.
Does it rain much in San Francisco in June (Karl the Fog begins)?
San Francisco June (Karl the Fog begins) averages 5mm of rainfall over about 1 rainy days.
What should I wear in San Francisco in June (Karl the Fog begins)?
Early summer + fog — high 19°C, low 13°C. Sweater + light jacket essential evenings. T-shirt during sunny afternoons; layers ready when fog returns.
What time are sunrise and sunset in San Francisco in June (Karl the Fog begins)?
San Francisco June (Karl the Fog begins) sunrise is 05:50 and sunset is 20:35, with 14h 45m of daylight.
What's the air quality like in San Francisco in June (Karl the Fog begins)?
San Francisco June (Karl the Fog begins) air quality (AQI) averages 35, rated Good. PM2.5 averages 9μg/m³.
What activities are recommended in San Francisco in June (Karl the Fog begins)?
In June (Karl the Fog begins), San Francisco is great for SF Pride Parade, Golden Gate (afternoons), Chinatown.
Is June (Karl the Fog begins) peak season in San Francisco?
San Francisco June (Karl the Fog begins) crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit San Francisco
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.