Monthly climate guide

San Diego in June

In San Diego, June sits in early summer, with a clear seasonal pattern running through the month. Most days land in a mild, easygoing zone, with evenings that ease back comfortably. Comfort is usually predictable, so a standard day plan works well. You get long daylight windows for full-day exploring.

Annual ranking snapshot

Ranked across 12 months

June in context

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

Hottest (avg)
IN-BETWEEN
#5 / 12

Sits around the middle of the year.

Wettest (avg)
DRIER
#12 / 12

One of the drier months.

Daylight Hours
LONGEST
#1 / 12

Longest days of the year.

Windiest (avg)
WIND
#3 / 12

Among the windier months.

Highest UV
UV
#1 / 12

Peak UV levels for the year.

Most Humid
HUMID
#5 / 12

Humidity stays close to the yearly norm.

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

14.3 h

Average daylight

UV index (max)
9
Typical sun hours
04:40 - 18:56

Wet-day pattern

Rain & Snow

Typical rainfall

Rainy days
1 days
Cloud cover (avg)
38%

Air feel

Humidity & Wind

77%

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 Diego. 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.101520253011630°C
Median temperatureMedian lowTypical range

Day 15 selected for June. Temperature 21.6°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.

Show all disruptions (10)
Humidity Minor

High humidity Measures: High humidity days (RH >=80%). Observed about 28% of days (8.5 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

8.5 days / month

Share of days
~28% of days
Upper edge
Up to ~85% (P95)
Why this matters

High humidity is possible on ~9 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 20% of days (6.0 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

6.0 days / month

Share of days
~20% of days
Upper edge
Up to ~95% (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 (2.3 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.3 days / month

Share of days
~8% of days
Upper edge
Up to ~99% (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.

Rain Minor

Wet days Measures: Wet days (>=0.1mm). Observed about 8% of days (2.3 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.3 days / month

Share of days
~8% of days
Upper edge
Up to ~3.2mm (P95)
Why this matters

Measurable rain is possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Wind Minor

Gusty days Measures: Gusty days (>=40 km/h). Observed about 6% of days (1.7 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

1.7 days / month

Share of days
~6% of days
Upper edge
Up to ~46km/h (P95)
Why this matters

Gusty conditions are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

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 ~15h (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.

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 ~17h (P95)
Why this matters

Wet-most-of-day conditions are possible on ~0 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 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 ~100% (P95)
Why this matters

Overcast skies are possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Humidity Minor

Humid days Measures: Humid days (dew point >=18C). Observed about 1% of days (0.3 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.3 days / month

Share of days
~1% of days
Upper edge
Up to ~18°C (P95)
Why this matters

Humid conditions are possible on ~0 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.

Heat Minor

Hot days Measures: Hot days (>=30C). 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 ~33°C (P95)
Why this matters

Hot days are possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Travel planning FAQ

Frequently asked questions

Quick answers to the weather questions you ask the most.

Is June a good time to visit San Diego?

Typical June days in San Diego reach highs of 22°C (72°F) with nights around 15°C (59°F). It usually feels mild by day and mild after dark. It is one of the drier months, which suits outdoor exploring and sightseeing.

What are temperatures like in June?

In June, you can usually expect highs of 22°C (72°F) and lows near 15°C (59°F). That means mild days and mild nights, so pack layers you can add or remove.

How much does it rain in June?

Rainfall in June averages 2 mm (0.08 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 14 hours of daylight in June. Sunrise is typically around 04:40 and sunset near 18:56. You get long days with comfortable amounts of daylight.

How strong is the sun in June?

UV levels frequently reach very high levels (around 9), so strong sun protection is essential, especially around midday.

Is it windy in June?

In June, average wind speeds are around 10 km/h (6 mph), with gusts on the windiest days reaching about 37 km/h (23 mph). On the ground, it is a gentle to moderate breeze is common, but stronger winds are not frequent.

Compare other months

Explore more