June weather forecast and climate
Oakley, CA

Weather in June

June, the first month of the summer, in Oakley, is still a warm month, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 55°F (12.8°C).

Temperature

In Oakley, the average high-temperature in June marginally rises, from 75.6°F (24.2°C) in May, to a still warm 84.4°F (29.1°C). The average low-temperature, is 55°F (12.8°C).

Heat index

The average heat index in June is evaluated at a tropical 86.4°F (30.2°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like differences in body mass, height, and shape, wind, metabolic differences, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In June, the average relative humidity is 53%.

Rainfall

In Oakley, in June, during 1.3 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. In Oakley, during the entire year, the rain falls for 62 days and collects up to 10.16" (258mm) of precipitation.

Snowfall

January through November are months without snowfall in Oakley.

Daylight

The month with the longest days in Oakley is June, with an average of 14.8h of daylight.

Sunshine

The average sunshine in Oakley is 11.8h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Oakley. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in June in Oakley?

In June, in Oakley, California, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 55°F (12.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), that represents influence of the relative humidity to air temperaure, in June is appraised at 86.4°F (30.2°C).

What is the average humidity in June in Oakley?

In June, the average relative humidity in Oakley, California, is 53%.

How many days does it rain in June in Oakley?

In Oakley, California, in June, during 1.3 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

When it does not snow in Oakley?

In Oakley snow does not fall in January through November.

When are the longest days in Oakley?

June has the longest days of the year in Oakley, with an average of 14.8h of daylight.

What is the average length of the day in June in Oakley?

The average length of the day in June is 14.8h.

How long on average sun shines in June in Oakley?

The average sunshine in June in Oakley, California, is 11.8h.

What are the months with the highest UV index in Oakley?

Months with the highest UV index in Oakley are June through August, with an average maximum UV index of 6.

What is the UV index intensity in June in Oakley?

In Oakley, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.

Average temperature in June
Oakley, CA

Average temperature in June - Oakley, CA
  • Average high temperature in June: 84.4°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in June: 55°F

The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in June
Oakley, CA

Average pressure in June - Oakley, CA
  • Average pressure in June: 29.91"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in June
Oakley, CA

Average wind speed in June - Oakley, CA
  • Average wind speed in June: 7.8mph

The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).

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Average humidity in June
Oakley, CA

Average humidity in June - Oakley, CA
  • Average humidity in June: 53%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).

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Average rainfall in June
Oakley, CA

Average rainfall in June - Oakley, CA
  • Average rainfall in June: 0.08"

The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in June
Oakley, CA

Average rainfall days in June - Oakley, CA
  • Average rainfall days in June: 1.3 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).

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Average snowfall days in June
Oakley, CA

Average snowfall days in June - Oakley, CA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is December (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in June /
Average sunshine in June
Oakley, CA

Average daylight in June / Average sunshine in June - Oakley, CA
  • Average daylight in June: 14.8h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in June: 11.8h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days in June
Oakley, CA

Average sunshine days in June - Oakley, CA
  • Average sunshine days in June: 28.5 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).

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Average UV index in June
Oakley, CA

Average UV index in June - Oakley, CA
  • Average UV index in June: 6

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in June
Oakley, CA

Average cloud cover in June - Oakley, CA
  • Average cloud cover in June: 11

Months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in June
Oakley, CA

Average visibility in June - Oakley, 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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