June weather forecast
Oakley, CA

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Weather in June

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

Temperature

With the onset of June, Oakley's weather sees a minor temperature rise, transitioning from a moderately hot 75.6°F (24.2°C) in May to a still warm 84.4°F (29.1°C). Despite a significant disparity with daytime temperatures, an average low-temperature of 55°F (12.8°C) is recorded during June.

Heat index

The heat index value for June is estimated at a tropical 86°F (30°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

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

Rainfall

In June, in Oakley, the rain falls for 1.3 days. Throughout June, 0.08" (2mm) of precipitation is 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 14h and 48min of daylight.
On the first day of the month, sunrise is at 5:45 am and sunset at 8:24 pm. On the last day of June, sunrise is at 5:47 am and sunset at 8:33 pm PDT.

Sunshine

In Oakley, the average sunshine in June is 11.8h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In June, a daily UV index of 6 turns into the following recommendations:
Deflect overexposure. Sun protection is a necessity. 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. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

How hot does it get in Oakley in June?

In Oakley, 84.4°F (29.1°C) is the average high-temperature and 55°F (12.8°C) is the average low-temperature during June. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in June is estimated at 86°F (30°C).

What is the average humidity in June in Oakley?

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

How much does it rain in Oakley in June?

In Oakley, in June, it is raining for 1.3 days, with typically 0.08" (2mm) of accumulated precipitation.

When it does not snow in Oakley?

In Oakley, snow does not fall in January through November.

When are the longest days in Oakley?

With an average of 14h and 48min of daylight, June has the longest days of the year in Oakley.

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

The average day length in June in Oakley is 14h and 46min.

When are sunrise and sunset in June in Oakley?

In June, on the first day of the month, sunrise is at 5:45 am and sunset at 8:24 pm. On the last day of the month, in Oakley, California, sunrise is at 5:47 am and sunset at 8:33 pm PDT.

How long on average sun shines in June in Oakley?

In June, the average sunshine duration in Oakley, California, is 11.8h.

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

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

What is the UV index reading in June in Oakley?

In June, the average daily maximum UV index in Oakley is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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).
The 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: 14h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in June: 11h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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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

The months with the highest UV index are June, July and August (UV index 6).
The 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

The 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

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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Oakley, California, USA

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