August weather forecast
Oakley, CA

Share

Weather in August

August, the last month of the summer in Oakley, is also a hot month, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 57.4°F (14.1°C).

Temperature

August's climate shows a minor adjustment in average high-temperatures to a still tropical 87.4°F (30.8°C) from July's 88.5°F (31.4°C). August presents a pronounced divergence from daily peak temperatures in Oakley, with the average low-temperature of 57.4°F (14.1°C).

Heat index

August's average heat index is estimated at a tropical 93.2°F (34°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In Oakley, California, the average relative humidity in August is 56%.

Rainfall

July and August are months with the least rain when the rain falls for 0.8 days and typically aggregates up to 0.04" (1mm) of rain.

Snowfall

January through November are months without snowfall in Oakley.

Daylight

In August, the average length of the day is 13h and 35min.
On the first day of August in Oakley, sunrise is at 6:10 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:37 pm PDT.

Sunshine

In Oakley, the average sunshine in August is 11.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
[Resources]

Frequently asked questions

How hot does it get in Oakley in August?

In August, the average high-temperature and low-temperature are 87.4°F (30.8°C) and 57.4°F (14.1°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 93.2°F (34°C).

What is the average humidity in August in Oakley?

In August, the average relative humidity in Oakley, California, is 56%.

What is the driest month in Oakley?

The months with the least rainfall in Oakley are July and August Rain falls for 0.8 days and accumulates 0.04" (1mm) of rain.

How much does it rain in Oakley in August?

In Oakley, in August, during 0.8 rainfall days, 0.04" (1mm) of precipitation is typically accumulated.

When it does not snow in Oakley?

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

How many hours of daylight does Oakley have in August?

The average day length in August in Oakley, California, is 13h and 35min.

When is the sunrise / sunset in August in Oakley?

In August, on the first day of the month, sunrise is at 6:10 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:37 pm PDT.

How many hours of sunshine does Oakley have in August?

In August, the average sunshine duration in Oakley is 11.9h.

What is the month 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.

What is the UV index intensity in August in Oakley?

The average daily maximum UV index in August in Oakley, California, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
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 August
Oakley, CA

Average temperature in August - Oakley, CA
  • Average high temperature in August: 87.4°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 August: 57.4°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).

[Resources]

Average pressure in August
Oakley, CA

Average pressure in August - Oakley, CA
  • Average pressure in August: 29.92"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).

[Resources]

Average wind speed in August
Oakley, CA

Average wind speed in August - Oakley, CA
  • Average wind speed in August: 7mph

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).

[Resources]

Average humidity in August
Oakley, CA

Average humidity in August - Oakley, CA
  • Average humidity in August: 56%

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

[Resources]

Average rainfall in August
Oakley, CA

Average rainfall in August - Oakley, CA
  • Average rainfall in August: 0.04"

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

[Resources]

Average rainfall days in August
Oakley, CA

Average rainfall days in August - Oakley, CA
  • Average rainfall days in August: 0.8 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).

[Resources]

Average snowfall days in August
Oakley, CA

Average snowfall days in August - Oakley, CA
  • Average snowfall days in August: 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).

[Resources]

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

Average daylight in August / Average sunshine in August - Oakley, CA
  • Average daylight in August: 13h and 4min

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 August: 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).

[Resources]

Average sunshine days in August
Oakley, CA

Average sunshine days in August - Oakley, CA
  • Average sunshine days in August: 29.8 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).

[Resources]

Average UV index in August
Oakley, CA

Average UV index in August - Oakley, CA
  • Average UV index in August: 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).

[Resources]

Average cloud cover in August
Oakley, CA

Average cloud cover in August - Oakley, CA
  • Average cloud cover in August: 7

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).

[Resources]

Average visibility in August
Oakley, CA

Average visibility in August - Oakley, CA
  • Average visibility in August: 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).

[Resources]

Oakley, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location