San Clemente
California, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
San Clemente, CA

The first month of the summer, June, is a pleasant month in San Clemente, California, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 71.2°F (21.8°C).

Temperature

In June, the average high-temperature is practically the same as in May - an agreeable 71.2°F (21.8°C). In June, in San Clemente, the average low-temperature is 57.7°F (14.3°C).

Humidity

The most humid month is June, with an average relative humidity of 75%.

Rainfall

June is the month with the least rainfall. Rain falls for 1.4 days and accumulates 0.08" (2mm) of precipitation.

Ocean temperature

In June, the average ocean temperature in San Clemente, California, is 65.7°F (18.7°C).
Note: Swimming in 65.7°F (18.7°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

The month with the longest days in San Clemente is June, with an average of 14.3h of daylight.

Sunshine

In June, the average sunshine is 11.6h.

UV index

In June, the average daily maximum UV index in San Clemente is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to the 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.

What is the temperature in June in San Clemente?

The average high-temperature, in June, in San Clemente, is 71.2°F (21.8°C), while the average low-temperature is 57.7°F (14.3°C).

What is the most humid month in San Clemente?

June is the most humid month in San Clemente, with an average relative humidity of 75%.

What is the average humidity in June in San Clemente?

In June, the average relative humidity is 75%.

How much does it rain in San Clemente in June?

In June, in San Clemente, California, the rain falls for 1.4 days. Throughout June, 0.08" (2mm) of precipitation is accumulated.

What is the driest month in San Clemente?

June is the month with the least rainfall in San Clemente, California. Rain falls for 1.4 days and accumulates 0.08" (2mm) of precipitation.

What is the ocean temperature in June in San Clemente?

In June, the average ocean temperature is 65.7°F (18.7°C). For most, swimming in 65.7°F (18.7°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 Clemente?

The month with the longest days in San Clemente is June, with an average of 14.3h of daylight.

How many hours of daylight does San Clemente have in June?

The average length of the day in June in San Clemente is 14.3h.

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

In June, the average sunshine in San Clemente is 11.6h.

What is the UV index intensity in June in San Clemente?

In June, the average daily maximum UV index in San Clemente is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in June - San Clemente, CA
  • Average high temperature in June: 71.2°F

The warmest month (with the highest average high temperature) is September (77.4°F).
The month with the lowest average high temperature is December (62.6°F).

  • Average low temperature in June: 57.7°F

Months with the highest average low temperature are August and September (63.5°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).

Average humidity in June - San Clemente, CA
  • Average humidity in June: 75%

The month with the highest relative humidity is June (75%).
The month with the lowest relative humidity is November (60%).

Average rainfall in June - San Clemente, CA
  • Average rainfall in June: 0.08"

The wettest month (with the highest rainfall) is December (0.71").
The driest month (with the lowest rainfall) is June (0.08").

Average rainfall days in June - San Clemente, CA
  • Average rainfall days in June: 1.4 days

The month with the highest number of rainy days is March (7.3 days).
The month with the lowest number of rainy days is June (1.4 days).

Average sea temperature in June - San Clemente, CA
  • Average sea temperature in June: 65.6°F

The best month for swimming (with the highest average sea temperature) is August (68.3°F).
Coldest months (with the lowest average sea temperature) are January and February (58.9°F).

Average daylight in June / Average sunshine in June - San Clemente, CA
  • Average daylight in June: 14.3h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).

  • Average sunshine in June: 11.6h

Months with most sunshine are July and August (Average sunshine: 11.8h).
The month with least sunshine is December (Average sunshine: 6.5h).

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

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