August weather forecast
Barstow, CA

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The vast desert region of Mojave, with the modern section of the Barstow residential community in California
The vast desert region of Mojave, with the modern section of the Barstow residential community in California

Weather in August

August, the last month of the summer in Barstow, is another torrid month, with temperature in the range of an average high of 95.4°F (35.2°C) and an average low of 72.9°F (22.7°C).

Temperature

Barstow commences August with an average high-temperature of a still sweltering 95.4°F (35.2°C), maintaining a close resemblance to the previous month. Despite drastic daily temperature oscillations, Barstow cools down to an average low-temperature of 72.9°F (22.7°C) in August.

Humidity

The least humid month is August, with an average relative humidity of 23%.

Rainfall

In Barstow, in August, it is raining for 2 days, with typically 0.08" (2mm) of accumulated precipitation. In Barstow, during the entire year, the rain falls for 36.5 days and collects up to 3.11" (79mm) of precipitation.

Snowfall

In Barstow, snow does not fall in February through October and December.

Daylight

In August, the average length of the day is 13h and 25min.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:50 pm. On the last day of August, in Barstow, sunrise is at 6:20 am and sunset at 7:15 pm PDT.

Sunshine

June through August, with an average of 12.1h of sunshine, are months with the most sunshine in Barstow.

UV index

In August, the average daily maximum UV index in Barstow is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 7 during August leads to these instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

How hot does it get in Barstow in August?

The high-temperature, in August, in Barstow, records 95.4°F (35.2°C), while the low-temperature is 72.9°F (22.7°C).

What is the least humid month in Barstow?

With an average relative humidity of 23%, August is the least humid month.

What is the average humidity in August in Barstow?

In August, the average relative humidity in Barstow is 23%.

How much does it rain in Barstow in August?

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

When it does not snow in Barstow?

February through October and December are months without snowfall in Barstow.

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

In August, the average day length is 13h and 25min.

What time are sunrise and sunset in August in Barstow?

In August, on the first day of the month, sunrise is at 5:58 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:15 pm PDT.

What is the month with the most sunshine in Barstow?

June through August, with an average of 12.1h of sunshine, are months with the most sunshine in Barstow.

How long on average sun shines in August in Barstow?

The average sunshine duration in August is 12.1h.

What is the UV index reading in August in Barstow?

The average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Barstow, CA

Average temperature in August - Barstow, CA
  • Average high temperature in August: 95.4°F

The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (54.3°F).

  • Average low temperature in August: 72.9°F

The month with the highest average low temperature is August (72.9°F).
The coldest month (with the lowest average low temperature) is December (38.7°F).

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Average pressure in August
Barstow, CA

Average pressure in August - Barstow, CA
  • Average pressure in August: 29.84"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).

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Average wind speed in August
Barstow, CA

Average wind speed in August - Barstow, CA
  • Average wind speed in August: 9.4mph

The windiest month (with the highest average wind speed) is May (12.6mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).

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Average humidity in August
Barstow, CA

Average humidity in August - Barstow, CA
  • Average humidity in August: 23%

The months with the highest relative humidity are January and December (48%).
The month with the lowest relative humidity is August (23%).

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Average rainfall in August
Barstow, CA

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

The wettest month (with the highest rainfall) is December (0.55").
The driest month (with the least rainfall) is June (0").

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Average rainfall days in August
Barstow, CA

Average rainfall days in August - Barstow, CA
  • Average rainfall days in August: 2 days

The month with the highest number of rainy days is December (5.6 days).
The month with the least rainy days is June (0.2 days).

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Average snowfall in August
Barstow, CA

Average snowfall in August - Barstow, CA
  • Average snowfall in August: 0"

The month with the highest snowfall is November (0.39").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and December (0").

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Average snowfall days in August
Barstow, CA

Average snowfall days in August - Barstow, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in August: 12h and 1min

The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).

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Average sunshine days in August
Barstow, CA

Average sunshine days in August - Barstow, CA
  • Average sunshine days in August: 28.7 days

The month with the most sunshine days is June (29.8 days).
The month with the least sunshine days is February (22.8 days).

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Average UV index in August
Barstow, CA

Average UV index in August - Barstow, CA
  • Average UV index in August: 7

The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are November and December (UV index 3).

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Average cloud cover in August
Barstow, CA

Average cloud cover in August - Barstow, CA
  • Average cloud cover in August: 5

The month with the most cloud cover is December (Cloud cover 19).
The months with the least cloud cover are June, August and September (Cloud cover 5).

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Average visibility in August
Barstow, CA

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

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