June weather forecast and climate
Opal Cliffs, CA

Weather in June

June, the first month of the summer, in Opal Cliffs, is a pleasant month, with average temperature fluctuating between 51.4°F (10.8°C) and 70°F (21.1°C).

Temperature

In June, the average high-temperature is relatively the same as in May - an agreeable 70°F (21.1°C). The average low-temperature, is 51.4°F (10.8°C).

Humidity

In Opal Cliffs, the average relative humidity is 72%.

Rainfall

In June, the rain falls for 2.8 days. Throughout June, 0.08" (2mm) of precipitation is accumulated. In Opal Cliffs, during the entire year, the rain falls for 77.9 days and collects up to 14.45" (367mm) of precipitation.

Ocean temperature

In Opal Cliffs, California, the average water temperature is 54.3°F (12.4°C).
Note: Swimming in 54.3°F (12.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

With an average of 14.7h of daylight, June has the longest days of the year in Opal Cliffs, California.

Sunshine

In June, the average sunshine is 11.5h.

UV index

Months with the highest UV index are June through September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In June, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 temperature in June in Opal Cliffs?

The average high-temperature, in June, in Opal Cliffs, California, is 70°F (21.1°C), while the average low-temperature is 51.4°F (10.8°C).

What is the average humidity in June in Opal Cliffs?

In Opal Cliffs, California, the average relative humidity in June is 72%.

How much does it rain in Opal Cliffs in June?

In Opal Cliffs, California, during June, the rain falls for 2.8 days and regularly aggregates up to 0.08" (2mm) of precipitation.

What is the ocean temperature in June in Opal Cliffs?

In Opal Cliffs, California, in June, the average water temperature is 54.3°F (12.4°C). Swimming in 54.3°F (12.4°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

When are the longest days in Opal Cliffs?

June has the longest days of the year in Opal Cliffs, California, with an average of 14.7h of daylight.

What is the average length of the day in June in Opal Cliffs?

In June, the average length of the day in Opal Cliffs, California, is 14.7h.

How long on average sun shines in June in Opal Cliffs?

In Opal Cliffs, California, the average sunshine in June is 11.5h.

When is the highest UV index in Opal Cliffs?

June through September, with an average maximum UV index of 5, are months with the highest UV index in Opal Cliffs.

What is the UV index intensity in June in Opal Cliffs?

In June, the average daily maximum UV index in Opal Cliffs is 5. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in June
Opal Cliffs, CA

Average temperature in June - Opal Cliffs, CA
  • Average high temperature in June: 70°F

The warmest months (with the highest average high temperature) are August and September (73°F).
The month with the lowest average high temperature is December (57.2°F).

  • Average low temperature in June: 51.4°F

The month with the highest average low temperature is September (55.2°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).

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Average pressure in June
Opal Cliffs, CA

Average pressure in June - Opal Cliffs, CA
  • Average pressure in June: 29.93"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is September (29.92").

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Average wind speed in June
Opal Cliffs, CA

Average wind speed in June - Opal Cliffs, CA
  • Average wind speed in June: 6.8mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in June
Opal Cliffs, CA

Average humidity in June - Opal Cliffs, CA
  • Average humidity in June: 72%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in June
Opal Cliffs, CA

Average rainfall in June - Opal Cliffs, CA
  • Average rainfall in June: 0.08"

The wettest month (with the highest rainfall) is December (2.8").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in June
Opal Cliffs, CA

Average rainfall days in June - Opal Cliffs, CA
  • Average rainfall days in June: 2.8 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (1.2 days).

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Average sea temperature in June
Opal Cliffs, CA

Average sea temperature in June - Opal Cliffs, CA
  • Average sea temperature in June: 54.4°F

The best months for swimming (with the highest average sea temperature) are August and September (58.1°F).
The coldest month (with the lowest average sea temperature) is April (53.8°F).

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Average daylight in June /
Average sunshine in June
Opal Cliffs, CA

Average daylight in June / Average sunshine in June - Opal Cliffs, CA
  • Average daylight in June: 14.7h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in June: 11.5h

The month with the most sunshine is July (Average sunshine: 11.7h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days in June
Opal Cliffs, CA

Average sunshine days in June - Opal Cliffs, CA
  • Average sunshine days in June: 25.3 days

The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (16.4 days).

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Average UV index in June
Opal Cliffs, CA

Average UV index in June - Opal Cliffs, CA
  • Average UV index in June: 5

Months with the highest UV index are June, July, August and September (UV index 5).
Months with the lowest UV index are February and November (UV index 3).

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Average cloud cover in June
Opal Cliffs, CA

Average cloud cover in June - Opal Cliffs, CA
  • Average cloud cover in June: 19

The month with the most cloud cover is March (Cloud cover 38).
Months with the least cloud cover are July and September (Cloud cover 15).

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Average visibility in June
Opal Cliffs, CA

Average visibility in June - Opal Cliffs, CA
  • Average visibility in June: 6mi

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

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