June weather forecast
Opal Cliffs, CA

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Weather in June

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

Temperature

Opal Cliffs observes a minor difference in average high-temperatures between May's 64.9°F (18.3°C) and June's 70°F (21.1°C). Opal Cliffs registers a consistent average low-temperature of 51.4°F (10.8°C) during June.

Humidity

The average relative humidity in June is 72%.

Rainfall

In Opal Cliffs, in June, during 2.8 rainfall days, 0.08" (2mm) of precipitation is typically 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 June, the average ocean temperature in Opal Cliffs, California, is 54.3°F (12.4°C).
Note: Without suitable protection, venturing into 54.3°F (12.4°C) waters cooler than 50°F (10°C) can lead to pronounced cold shock and rapid breaths.

Daylight

With an average of 14h and 42min of daylight, June has the longest days of the year.
On the first day of June in Opal Cliffs, sunrise is at 5:49 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:31 pm PDT.

Sunshine

In June, the average sunshine is 11.5h.

UV index

June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 5 during June leads to these instructions:
Ensure safety - Sun damage prevention is strongly urged. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

What are the temperatures in Opal Cliffs in June?

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

What is the average humidity in June in Opal Cliffs?

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

How much does it rain in Opal Cliffs in June?

In June, in Opal Cliffs, the rain falls for 2.8 days. Throughout June, 0.08" (2mm) of precipitation is accumulated.

What is the water temperature in June in Opal Cliffs?

In June, the average ocean 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?

With an average of 14h and 42min of daylight, June has the longest days of the year in Opal Cliffs.

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

In Opal Cliffs, California, the average day length in June is 14h and 40min.

When are sunrise and sunset in June in Opal Cliffs?

In June, on the first day of the month, sunrise is at 5:49 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:31 pm PDT.

How many hours of sunshine does Opal Cliffs have in June?

In Opal Cliffs, the average sunshine duration 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 reading in June in Opal Cliffs?

In June, the average daily maximum UV index in Opal Cliffs is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in June: 11h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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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

The months with the highest UV index are June, July, August and September (UV index 5).
The 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).
The 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

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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Opal Cliffs, California, USA

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