August weather forecast
Imperial, CA

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Weather in August

The last month of the summer, August, is another extremely hot month in Imperial, California, with an average temperature fluctuating between 85.5°F (29.7°C) and 106.2°F (41.2°C).

Temperature

August registers an average high-temperature of a still blisteringly hot 106.2°F (41.2°C), slightly varied from July's 106.7°F (41.5°C). August brings with it a nighttime average temperature of 85.5°F (29.7°C) in Imperial.

Humidity

In Imperial, the average relative humidity in August is 25%.

Rainfall

The months with the most rainfall are March, April, July through September and December, with an average 0.08" (2mm) of precipitation.

Daylight

In August, the average length of the day is 13h and 19min.
On the first day of August, sunrise is at 5:56 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:07 pm PDT.

Sunshine

In Imperial, the average sunshine in August is 12.1h.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 9. A UV Index reading of 8 to 10 represents a very high threat to health from exposure to the Sun's UV rays for average individuals.
Note: In August, the average maximum UV index of 9 translates into the following recommendations:
Always take safety measures. The skin and eyes are at risk if left exposed. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Prompt application of a broad-spectrum sunscreen, SPF 30+, is necessary after a swim or an outdoor workout and it should be re-applied every two hours.
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Frequently asked questions

How hot is it in Imperial in August?

August temperatures in Imperial vary between a high-temperature of 106.2°F (41.2°C) and a low-temperature of 85.5°F (29.7°C).

What is the average humidity in August in Imperial?

In August, the average relative humidity is 25%.

What is the wettest month in Imperial?

The months with the most rainfall in Imperial, California, are March, April, July through September and December, with an average 0.08" (2mm) of precipitation.

How many days does it rain in August in Imperial?

In Imperial, during August, the rain falls for 1.5 days and regularly aggregates up to 0.08" (2mm) of precipitation.

How many hours of daylight does Imperial have in August?

In Imperial, California, the average day length in August is 13h and 19min.

What time are sunrise and sunset in August in Imperial?

On the first day of August in Imperial, California, sunrise is at 5:56 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:07 pm PDT.

How long on average sun shines in August in Imperial?

In Imperial, California, the average sunshine duration in August is 12.1h.

What is the month with the highest UV index in Imperial?

The months with the highest UV index in Imperial are July and August, with an average maximum UV index of 9.

How high is the UV index in August in Imperial?

In August, the average daily maximum UV index in Imperial is 9. A UV Index estimate of 8 to 10 represents a very high health threat 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
Imperial, CA

Average temperature in August - Imperial, CA
  • Average high temperature in August: 106.2°F

The warmest month (with the highest average high temperature) is July (106.7°F).
The month with the lowest average high temperature is December (66.4°F).

  • Average low temperature in August: 85.5°F

The month with the highest average low temperature is August (85.5°F).
The coldest month (with the lowest average low temperature) is January (49.8°F).

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Average pressure in August
Imperial, CA

Average pressure in August - Imperial, CA
  • Average pressure in August: 29.8"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).

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Average wind speed in August
Imperial, CA

Average wind speed in August - Imperial, CA
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).

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Average humidity in August
Imperial, CA

Average humidity in August - Imperial, CA
  • Average humidity in August: 25%

The month with the highest relative humidity is December (40%).
The month with the lowest relative humidity is June (21%).

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Average rainfall in August
Imperial, CA

Average rainfall in August - Imperial, CA
  • Average rainfall in August: 0.08"

The wettest months (with the highest rainfall) are March, April, July, August, September and December (0.08").
The driest months (with the least rainfall) are May and June (0").

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Average rainfall days in August
Imperial, CA

Average rainfall days in August - Imperial, CA
  • Average rainfall days in August: 1.5 days

The month with the highest number of rainy days is July (2.8 days).
The month with the least rainy days is May (0.3 days).

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

Average daylight in August / Average sunshine in August - Imperial, CA
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in August: 12h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

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Average sunshine days in August
Imperial, CA

Average sunshine days in August - Imperial, CA
  • Average sunshine days in August: 25.8 days

The month with the most sunshine days is May (30.4 days).
The month with the least sunshine days is August (25.8 days).

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Average UV index in August
Imperial, CA

Average UV index in August - Imperial, CA
  • Average UV index in August: 9

The months with the highest UV index are July and August (UV index 9).
The month with the lowest UV index is December (UV index 4).

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Average cloud cover in August
Imperial, CA

Average cloud cover in August - Imperial, CA
  • Average cloud cover in August: 6

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).

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Average visibility in August
Imperial, CA

Average visibility in August - Imperial, 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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Imperial, California, USA

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