Monthly climate guide

San Francisco in June

San Francisco is in early summer during June, with the season well established by this point. It generally feels mild and comfortable, and a gentle drop-off once the sun goes down. Daylight stays generous for longer outdoor plans. Conditions tend to feel steady, which makes planning simple.

Annual ranking snapshot

Ranked across 12 months

June in context

How it compares to the rest of the year in San Francisco.

Hottest (avg)
IN-BETWEEN
#5 / 12

Sits around the middle of the year.

Wettest (avg)
IN-BETWEEN
#9 / 12

Typical rainfall for the year.

Daylight Hours
LONGEST
#1 / 12

Longest days of the year.

Windiest (avg)
WIND
#1 / 12

The breeziest month of the year.

Highest UV
UV
#2 / 12

UV runs high compared with most months.

Most Humid
HUMID
#12 / 12

One of the less humid months.

Climate normals

Four planning pillars

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

Day 15 selected

Median daytime highs across the month, with a softer low line.

Daily climate explorer for JuneMonthly trend chart for the selected climate metric, with the chosen day marked.010203011630°C
Median temperatureMedian lowTypical range

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.

Wind High impact

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)
Heat Moderate

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.

Wind Minor

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.

Humidity Minor

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.

Cloud Minor

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.

Cloud Minor

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.

Wind Minor

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.

Rain Minor

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.

Rain Minor

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.

Cloud Minor

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.

Rain Minor

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.

Heat Minor

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.

Visibility Minor

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.

Other Minor

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.

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