June weather forecast
San Diego, CA

englishespañol中文
Share
Coronado Island in San Diego, California, USA,
Coronado Island in San Diego, California, USA,

Weather in June

June in San Diego sees a further rise in temperature and abundance of sunshine. With a dip in rainfall to a minimal 0.12" (3mm), it is one of the driest months. Prolonged sunlight and low cloud coverage allow for more outdoor activities, with beachgoers relishing in the highest sea temperatures. Despite June Gloom, the slightly overcast mornings, summer clothes dominate San Diego fashion. Nighttime still offers cooler temperatures, but overall this month fully embraces summer.

Temperature

San Diego, California, indicates an average high-temperature of a pleasant 70.7°F (21.5°C) in June, showing minor variation from May's 67.6°F (19.8°C). Throughout June, the nighttime temperature in San Diego averages to a mild 58.8°F (14.9°C).

Humidity

With an average relative humidity of 73%, June is the most humid month.

Rainfall

June is the month with the least rainfall in San Diego. Rain falls for 2.7 days and accumulates 0.12" (3mm) of precipitation.

Ocean temperature

In San Diego, in June, the average water temperature is 64.8°F (18.2°C).
Note: For most people, a water temperature of 64.8°F (18.2°C) is not conducive to enjoyable swimming. Breathing control becomes harder as the water temperature dips below 69.8°F (21°C).

Daylight

With an average of 14h and 18min of daylight, June has the longest days of the year in San Diego.
On the first day of the month, sunrise is at 5:41 am and sunset at 7:51 pm. On the last day of June, in San Diego, sunrise is at 5:44 am and sunset at 8:00 pm PDT.

Sunshine

The average sunshine in June is 11.8h.

UV index

In June, the average daily maximum UV index in San Diego is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 5 in June translates into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

What is the average June temperature in San Diego?

During June, San Diego experiences an average high-temperature of 70.7°F (21.5°C) and a low-temperature of 58.8°F (14.9°C).

What is the most humid month in San Diego?

With an average relative humidity of 73%, June is the most humid month in San Diego, California.

What is the average humidity in June in San Diego?

The average relative humidity in June is 73%.

What is the driest month in San Diego?

The month with the least rainfall in San Diego is June, when the rain falls for 2.7 days and typically collects 0.12" (3mm) of precipitation.

How much does it rain in San Diego in June?

In June, in San Diego, California, the rain falls for 2.7 days. Throughout June, 0.12" (3mm) of precipitation is accumulated.

How cold is the water in June in San Diego?

In June, the average ocean temperature in San Diego, California, is 64.8°F (18.2°C). For most, swimming in 64.8°F (18.2°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

When are the longest days in San Diego?

June has the longest days of the year, with an average of 14h and 18min of daylight.

What is the average length of the day in June in San Diego?

In San Diego, California, the average day length in June is 14h and 16min.

When are sunrise and sunset in June in San Diego?

On the first day of June, sunrise is at 5:41 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:00 pm PDT.

How long on average sun shines in June in San Diego?

The average sunshine duration in June is 11.8h.

What is the UV index reading in June in San Diego?

In June, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
San Diego, CA

Average temperature in June - San Diego, CA
  • Average high temperature in June: 70.7°F

The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is February (63.1°F).

  • Average low temperature in June: 58.8°F

The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).

Average pressure in June
San Diego, CA

Average pressure in June - San Diego, CA
  • Average pressure in June: 29.88"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).

Average wind speed in June
San Diego, CA

Average wind speed in June - San Diego, CA
  • Average wind speed in June: 5.7mph

The windiest months (with the highest average wind speed) are April and May (6.3mph).
The calmest month (with the lowest average wind speed) is October (5.2mph).

Average humidity in June
San Diego, CA

Average humidity in June - San Diego, CA
  • Average humidity in June: 73%

The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (59%).

Average rainfall in June
San Diego, CA

Average rainfall in June - San Diego, CA
  • Average rainfall in June: 0.12"

The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is June (0.12").

Average rainfall days in June
San Diego, CA

Average rainfall days in June - San Diego, CA
  • Average rainfall days in June: 2.7 days

The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (2.7 days).

Average sea temperature in June
San Diego, CA

Average sea temperature in June - San Diego, CA
  • Average sea temperature in June: 64.7°F

The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (58.7°F).

Average daylight in June /
Average sunshine in June
San Diego, CA

Average daylight in June / Average sunshine in June - San Diego, CA
  • Average daylight in June: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in June: 11h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in June
San Diego, CA

Average sunshine days in June - San Diego, CA
  • Average sunshine days in June: 20.5 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (20.3 days).

Average UV index in June
San Diego, CA

Average UV index in June - San Diego, CA
  • Average UV index in June: 5

The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

Average cloud cover in June
San Diego, CA

Average cloud cover in June - San Diego, CA
  • Average cloud cover in June: 13

The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in June
San Diego, CA

Average visibility in June - San Diego, CA
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

San Diego, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location