June weather forecast
San Diego, CA

Coronado Island in San Diego, California, USA,
Coronado Island in San Diego, California, USA,

Weather in June

The first month of the summer, June, is a pleasant month in San Diego, California, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 58.8°F (14.9°C).

Temperature

In San Diego, California, the average high-temperature in June is relatively the same as in May - a pleasant 70.7°F (21.5°C). The average low-temperature, in San Diego, is 58.8°F (14.9°C).

Humidity

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

Rainfall

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

Ocean temperature

In San Diego, the average water temperature is 64.8°F (18.2°C).
Note: For swimming, a surface water temperature of 64.8°F (18.2°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

The month with the longest days is June, with an average of 14h and 16min of daylight.
On the first day of June in San Diego, 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.

Sunshine

In San Diego, California, the average sunshine in June is 11.8h.

UV index

In June, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In June, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the most humid month in San Diego?

The most humid month is June, with an average relative humidity of 73%.

What is the average humidity in June in San Diego?

The average relative humidity in June in San Diego is 73%.

What is the driest month in San Diego?

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

How much does it rain in San Diego in June?

In San Diego, in June, it is raining for 2.7 days, with typically 0.12" (3mm) of accumulated precipitation.

How cold is the water in June in San Diego?

In June, the average ocean temperature is 64.8°F (18.2°C). For swimming, a surface water temperature of 64.8°F (18.2°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

When are the longest days in San Diego?

With an average of 14h and 16min of daylight, June has the longest days of the year.

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

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

When is the sunrise / sunset in June in San Diego?

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

How many hours of sunshine does San Diego have in June?

In June, the average sunshine duration in San Diego 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 of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.

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).

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Average pressure in June
San Diego, CA

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

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

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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).

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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%).

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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").

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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).

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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).

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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 16min

The month with the longest days is June (Average daylight: 14h and 16min).
The month with the shortest days is December (Average daylight: 10h and 2min).

  • Average sunshine in June: 11.8h

The months with the most sunshine are July and August (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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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).

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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).

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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).

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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).

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