Climate and monthly 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 January

January in Barstow, California, is a mild winter month, with an average temperature varying between 55.9°F (13.3°C) and 39.7°F (4.3°C). Barstow's transition from December to January introduces an average high-temperature of a refreshing 55.9°F (13.3°C), marking an insignificant variation from the 54.3°F (12.4°C). Weather in January »

Weather in February

February, the last month of the winter in Barstow, is also a moderate month, with an average temperature fluctuating between 41.9°F (5.5°C) and 59.2°F (15.1°C). February brings an average high-temperature of a still refreshing 59.2°F (15.1°C), showing a slight difference from January's 55.9°F (13.3°C). Weather in February »

Weather in March

March, the first month of the spring in Barstow, is a refreshing month, with an average temperature fluctuating between 46.8°F (8.2°C) and 65.3°F (18.5°C). The arrival of March witnesses a small shift in the average high-temperature, moving from 59.2°F (15.1°C) in February to a still refreshing 65.3°F (18.5°C). Weather in March »

Weather in April

April is a pleasant spring month in Barstow, California, with an average temperature ranging between max 72.3°F (22.4°C) and min 50.9°F (10.5°C). The onset of April marks a slight increase in the average high-temperature, moving from a refreshing 65.3°F (18.5°C) in March to an agreeable 72.3°F (22.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Barstow, California, with an average temperature ranging between min 56.8°F (13.8°C) and max 80.1°F (26.7°C). May marks a minor ascent in the average high-temperature, adjusting from April's agreeable 72.3°F (22.4°C) to a moderately hot 80.1°F (26.7°C). Weather in May »

Weather in June

June, the first month of the summer in Barstow, is a hot month, with an average temperature ranging between min 65.5°F (18.6°C) and max 91.2°F (32.9°C). June brings an increase in the average high-temperature, progressing from a moderately hot 80.1°F (26.7°C) in May to a hot 91.2°F (32.9°C). Weather in June »

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

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). 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. Weather in August »

Weather in September

The first month of the autumn, September, is also a hot month in Barstow, California, with temperature in the range of an average low of 67.3°F (19.6°C) and an average high of 88.3°F (31.3°C). With the arrival of September, Barstow notices a mild change in the average high-temperature, sliding from August's sweltering 95.4°F (35.2°C) to a tropical 88.3°F (31.3°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Barstow, California, with an average temperature fluctuating between 55.9°F (13.3°C) and 75.7°F (24.3°C). Barstow's October weather features a mild decline in high-temperatures, reducing from a tropical 88.3°F (31.3°C) in September to a warm 75.7°F (24.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Barstow, is another refreshing month, with temperature in the range of an average high of 64.8°F (18.2°C) and an average low of 45.7°F (7.6°C). As Barstow enters November, the average high-temperature decreases from the a warm 75.7°F (24.3°C) of October to a comfortable 64.8°F (18.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Barstow, California, with an average temperature varying between 54.3°F (12.4°C) and 38.7°F (3.7°C). In Barstow, December is the month with the lowest recorded average temperatures, measuring a high of 54.3°F (12.4°C) and a low of 38.7°F (3.7°C). Weather in December »
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Frequently asked questions

What are the most humid months in Barstow?

January and December, with an average relative humidity of 48%, are most humid months.

How much does it rain in Barstow?

In Barstow, California, during the entire year, the rain falls for 36.5 days and collects up to 3.11" (79mm) of precipitation.

When does it snow in Barstow?

Months with snowfall in Barstow, California, are January and November.

How much does it snow in Barstow?

In Barstow, during the entire year, snow falls for 1.3 days and aggregates up to 0.47" (12mm) of snow.

What is the month with the least sunshine in Barstow?

The month with the least sunshine is January, with an average of 7.1h of sunshine.

When it does not snow in Barstow?

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

When is Daylight Saving Time (DST) in Barstow?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

What is the driest month in Barstow?

June is the only month when rain does not fall.

When are the longest days in Barstow?

The month with the longest days is June, with an average of 14h and 30min of daylight.

What are the months with the most sunshine in Barstow?

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

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.

When does it rain in Barstow?

January through May, July through December are months with rainfall.

When is the highest UV index in Barstow?

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

What is the least humid month in Barstow?

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

When does it snow the most in Barstow?

November is the month with the most snowfall in Barstow, California. Snow falls for 0.2 days and accumulates 0.39" (10mm) of snow.

What is the month with the lowest UV index in Barstow?

November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What month is the coldest in Barstow?

In Barstow, December is known for its average lowest temperatures, reaching a high of 54.3°F (12.4°C) and a low of 38.7°F (3.7°C).

What is the rainiest month in Barstow?

The month with the most rainfall in Barstow is December, when the rain falls for 5.6 days and typically aggregates up to 0.55" (14mm) of precipitation.

What is the month with the shortest days in Barstow?

With an average of 9h and 54min of daylight, December has the shortest days of the year in Barstow.

Average temperature
Barstow, CA

Average temperature - Barstow, CA

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).

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
Barstow, CA

Average pressure - Barstow, CA

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
Barstow, CA

Average wind speed - Barstow, CA

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
Barstow, CA

Average humidity - Barstow, CA

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
Barstow, CA

Average rainfall - Barstow, CA

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
Barstow, CA

Average rainfall days - Barstow, CA

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
Barstow, CA

Average snowfall - Barstow, CA

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
Barstow, CA

Average snowfall days - Barstow, CA

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 / Average sunshine
Barstow, CA

Average daylight / Average sunshine - Barstow, CA

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).

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
Barstow, CA

Average sunshine days - Barstow, CA

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 visibility
Barstow, CA

Average visibility - Barstow, CA

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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