Sits around the middle of the year.
June in context
How it compares to the rest of the year in San Francisco.
Typical rainfall for the year.
Longest days of the year.
The breeziest month of the year.
UV runs high compared with most months.
One of the less humid months.
Monthly climate breakdown
A detailed look at the typical climate conditions for June.
Thermal profile
Temperature
Typical daytime high
- Nighttime low
-
- Feels like (avg)
-
Light window
Sunshine
14.7 h
Average daylight
- UV index (max)
- 8
- Typical sun hours
- 04:47 - 19:31
Wet-day pattern
Rain & Snow
Typical rainfall
- Rainy days
- 1 days
- Cloud cover (avg)
- 36%
Air feel
Humidity & Wind
73%
Average humidity
- Wind (avg)
-
- Wind (max gusts)
-
Historical daily baseline
Daily climate explorer
Pick a day to inspect the usual conditions through June in San Francisco. Based on a 30-year historical climate baseline, not a forecast.
Primary control
Select a day
Scroll to compare daily conditions. The summary updates with your selection.
Secondary context
Monthly trend
Median daytime highs across the month, with a softer low line.
Day 15 selected for June. Temperature 19.8°C.
Historical disruption baseline
Typical disruptions in June
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in June.
Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 6% of days (1.8 days/month) in June. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.8 days / month
- Share of days
- ~6% of days
- Upper edge
- Up to ~77km/h (P95)
Why this matters
Strong gusts are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Show all disruptions (13 more)
Hot feels-like days Measures: Hot feels-like days (>=32C). Observed about 1% of days (0.2 days/month) in June. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.2 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~36°C (P95)
Why this matters
Feels-like heat >=32C is possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Gusty days Measures: Gusty days (>=40 km/h). Observed about 75% of days (22.4 days/month) in June. Historical risk signal only, not a day-by-day forecast.
Likely frequency
22.4 days / month
- Share of days
- ~75% of days
- Upper edge
- Up to ~62km/h (P95)
Why this matters
Gusty conditions are possible on ~22 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
High humidity Measures: High humidity days (RH >=80%). Observed about 23% of days (6.9 days/month) in June. Historical risk signal only, not a day-by-day forecast.
Likely frequency
6.9 days / month
- Share of days
- ~23% of days
- Upper edge
- Up to ~88% (P95)
Why this matters
High humidity is possible on ~7 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 21% of days (6.4 days/month) in June. Historical risk signal only, not a day-by-day forecast.
Likely frequency
6.4 days / month
- Share of days
- ~21% of days
- Upper edge
- Up to ~98% (P95)
Why this matters
Cloudy skies are possible on ~6 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 8% of days (2.5 days/month) in June. Historical risk signal only, not a day-by-day forecast.
Likely frequency
2.5 days / month
- Share of days
- ~8% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Mostly cloudy skies are possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 6% of days (1.9 days/month) in June. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.9 days / month
- Share of days
- ~6% of days
- Upper edge
- Up to ~32km/h (P95)
Why this matters
Breezy conditions are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Wet days Measures: Wet days (>=0.1mm). Observed about 6% of days (1.8 days/month) in June. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.8 days / month
- Share of days
- ~6% of days
- Upper edge
- Up to ~7.4mm (P95)
Why this matters
Measurable rain is possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 3% of days (1.0 days/month) in June. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.0 days / month
- Share of days
- ~3% of days
- Upper edge
- Up to ~12h (P95)
Why this matters
Several rainy hours are possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 2% of days (0.7 days/month) in June. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.7 days / month
- Share of days
- ~2% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Overcast skies are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 2% of days (0.5 days/month) in June. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.5 days / month
- Share of days
- ~2% of days
- Upper edge
- Up to ~13h (P95)
Why this matters
Wet-most-of-day conditions are possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Hot days Measures: Hot days (>=30C). Observed about 1% of days (0.4 days/month) in June. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.4 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~35°C (P95)
Why this matters
Hot days are possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 1% of days (0.2 days/month) in June. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.2 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~92% (P95)
Why this matters
Fog-likely conditions are possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data Measures: Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data. Observed about 1% of days (0.2 days/month) in June. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.2 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~92 (P95)
Why this matters
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Travel planning FAQ
Frequently asked questions
Quick answers to the weather questions you ask the most.
Is June a good time to visit San Francisco?
Typical June days in San Francisco reach highs of 20°C (68°F) with nights around 12°C (54°F). It usually feels mild by day and cool after dark. Overall, June sits in the middle of the San Francisco climate range.
What are temperatures like in June?
In June, you can usually expect highs of 20°C (68°F) and lows near 12°C (54°F). That means mild days and cool nights, so pack layers you can add or remove.
How much does it rain in June?
Rainfall in June averages 5 mm (0.20 in) across roughly 1 days. Overall it is a mostly dry time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in June?
You can expect about 15 hours of daylight in June. Sunrise is typically around 04:47 and sunset near 19:31. You get long days with comfortable amounts of daylight.
How strong is the sun in June?
UV levels frequently reach very high levels (around 8), so strong sun protection is essential, especially around midday.
Is it windy in June?
In June, average wind speeds are around 18 km/h (11 mph), with gusts on the windiest days reaching about 59 km/h (37 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.