July 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 July

July in Barstow, California, is a torrid summer month, with temperature in the range of an average low of 72.7°F (22.6°C) and an average high of 96.4°F (35.8°C).

Temperature

July brings the highest temperatures, with an average high of 96.4°F (35.8°C) and an average low of 72.7°F (22.6°C).

Humidity

In Barstow, the average relative humidity in July is 24%.

Rainfall

January through May, July through December are months with rainfall. July is the first month it rains. Throughout July, in the average 2.8 rainfall days, it receives 0.12" (3mm) of precipitation. Throughout the year, there are 36.5 rainfall days, and 3.11" (79mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Barstow, the average length of the day in July is 14h and 14min.
On the first day of the month, sunrise is at 5:38 am and sunset at 8:05 pm. On the last day of July, sunrise is at 5:57 am and sunset at 7:51 pm PDT.

Sunshine

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

UV index

The month with the highest UV index in Barstow is July, with an average maximum UV index of 8. A UV Index reading of 8 to 10 represents a very high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In July, the UV index of 8 transforms into the following advice:
Always prioritize safety measures. Rapid harm can befall unprotected skin and eyes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What month is the hottest in Barstow?

In Barstow, July registers the highest temperatures, averaging 96.4°F (35.8°C) at the peak and 72.7°F (22.6°C) at the lowest.

How hot is it in Barstow in July?

The average high-temperature, in July, in Barstow, is 96.4°F (35.8°C), while the average low-temperature is 72.7°F (22.6°C).

What is the average humidity in July in Barstow?

In Barstow, California, the average relative humidity in July is 24%.

When does it start to rain in Barstow?

July is the first month it rains in Barstow, California. Throughout July, in the average 2.8 rainfall days, it receives 0.12" (3mm) of precipitation.

When it does not snow in Barstow?

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

How many hours of daylight does Barstow have in July?

In July, the average day length in Barstow, California, is 14h and 14min.

What time are sunrise and sunset in July in Barstow?

On the first day of July in Barstow, California, sunrise is at 5:38 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:51 pm PDT.

What is the month with the most sunshine in Barstow?

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

How many hours of sunshine does Barstow have in July?

The average sunshine duration in July in Barstow, California, is 12.1h.

When is the highest UV index in Barstow?

The month with the highest UV index in Barstow, California, is July, with an average maximum UV index of 8.

What is the UV index reading in July in Barstow?

The average daily maximum UV index in July in Barstow, California, is 8. A UV Index estimate of 8 to 10 represents a very high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall
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 July
Barstow, CA

Average temperature in July - Barstow, CA
  • Average high temperature in July: 96.4°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 July: 72.7°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 July
Barstow, CA

Average pressure in July - Barstow, CA
  • Average pressure in July: 29.85"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 July
Barstow, CA

Average wind speed in July - Barstow, CA
  • Average wind speed in July: 9.9mph

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 July
Barstow, CA

Average humidity in July - Barstow, CA
  • Average humidity in July: 24%

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 July
Barstow, CA

Average rainfall in July - Barstow, CA
  • Average rainfall in July: 0.12"

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 July
Barstow, CA

Average rainfall days in July - Barstow, CA
  • Average rainfall days in July: 2.8 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 July
Barstow, CA

Average snowfall in July - Barstow, CA
  • Average snowfall in July: 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 July
Barstow, CA

Average snowfall days in July - Barstow, CA
  • Average snowfall days in July: 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 July /
Average sunshine in July
Barstow, CA

Average daylight in July / Average sunshine in July - Barstow, CA
  • Average daylight in July: 14h and 1min

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 July: 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 July
Barstow, CA

Average sunshine days in July - Barstow, CA
  • Average sunshine days in July: 26.8 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 July
Barstow, CA

Average UV index in July - Barstow, CA
  • Average UV index in July: 8

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 July
Barstow, CA

Average cloud cover in July - Barstow, CA
  • Average cloud cover in July: 7

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 July
Barstow, CA

Average visibility in July - Barstow, CA
  • Average visibility in July: 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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