August weather forecast
Concord, CA

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Weather in August

August extends the high-temperature trend from July but brings a slight increase in humidity. More daylight hours in combination with a decrease in cloud coverage increases urban heat. Meanwhile, average pressure maintains a steady level during the period. However, it is still a dry period with rainfall stagnant at 0.04" (1mm). With a slow retreat from the peak summer heat, August affirms a lasting presence of summer charisma.

Temperature

Concord's average high-temperature in August is a still moderately hot 82.8°F (28.2°C), marking an insignificant difference from the 83.7°F (28.7°C) of July. Despite a significant deviation from daily highs, August sees an average nighttime temperature of 57.2°F (14°C).

Heat index

The heat index value for August is estimated at a hot 86°F (30°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In Concord, the average relative humidity in August is 61%.

Rainfall

The months with the least rainfall in Concord are June through September Rain falls for 0.5 days and accumulates 0.04" (1mm) of rain.

Daylight

In August, the average length of the day is 13h and 35min.
On the first day of the month, sunrise is at 6:11 am and sunset at 8:16 pm. On the last day of August, in Concord, sunrise is at 6:37 am and sunset at 7:38 pm PDT.

Sunshine

The average sunshine in August in Concord, California, is 11.8h.

UV index

June and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 6 in August translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

How hot is it in Concord in August?

During August, Concord experiences an average high-temperature of 82.8°F (28.2°C) and a low-temperature of 57.2°F (14°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in August in Concord?

In Concord, California, the average relative humidity in August is 61%.

What is the driest month in Concord?

June through September are months with the least rain when the rain falls for 0.5 days and typically aggregates up to 0.04" (1mm) of rain.

How much does it rain in Concord in August?

In Concord, in August, it is raining for 0.5 days, with typically 0.04" (1mm) of accumulated precipitation.

What is the average length of the day in August in Concord?

In Concord, California, the average day length in August is 13h and 35min.

What time are sunrise and sunset in August in Concord?

On the first day of August in Concord, California, sunrise is at 6:11 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:38 pm PDT.

How many hours of sunshine does Concord have in August?

The average sunshine duration in August in Concord is 11.8h.

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

The months with the highest UV index in Concord, California, are June and August, with an average maximum UV index of 6.

What is the UV index intensity in August in Concord?

In August, the average daily maximum UV index in Concord is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Concord, CA

Average temperature in August - Concord, CA
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in August: 57.2°F

The month with the highest average low temperature is September (57.4°F).
The coldest month (with the lowest average low temperature) is January (42.3°F).

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Average pressure in August
Concord, CA

Average pressure in August - Concord, 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).

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Average wind speed in August
Concord, CA

Average wind speed in August - Concord, CA
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is May (7.6mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).

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Average humidity in August
Concord, CA

Average humidity in August - Concord, CA
  • Average humidity in August: 61%

The months with the highest relative humidity are January and March (73%).
The month with the lowest relative humidity is September (56%).

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Average rainfall in August
Concord, CA

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

The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").

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Average rainfall days in August
Concord, CA

Average rainfall days in August - Concord, CA
  • Average rainfall days in August: 0.5 days

The month with the highest number of rainy days is March (9.8 days).
The month with the least rainy days is August (0.5 days).

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

Average daylight in August / Average sunshine in August - Concord, 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 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in August
Concord, CA

Average sunshine days in August - Concord, CA
  • Average sunshine days in August: 29.4 days

The month with the most sunshine days is July (29.5 days).
The month with the least sunshine days is March (20 days).

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Average UV index in August
Concord, CA

Average UV index in August - Concord, CA
  • Average UV index in August: 6

The months with the highest UV index are June 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 August
Concord, CA

Average cloud cover in August - Concord, CA
  • Average cloud cover in August: 11

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in August
Concord, CA

Average visibility in August - Concord, 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).

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Concord, California, USA

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