Monthly weather forecast and climate
Barstow, CA

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 moderate winter month, with average temperature varying between 55.9°F (13.3°C) and 39.7°F (4.3°C). In Barstow, the average high-temperature is relatively the same as in December - a mild 55.9°F (13.3°C). Weather in January »

Weather in February

The last month of the winter, February, is also a moderate month in Barstow, California, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 59.2°F (15.1°C). In Barstow, the average high-temperature in February is practically the same as in January - a still mild 59.2°F (15.1°C). Weather in February »

Weather in March

March, the first month of the spring, in Barstow, is a comfortable month, with average temperature fluctuating between 65.3°F (18.5°C) and 46.8°F (8.2°C). In Barstow, the average high-temperature in March marginally rises, from a moderate 59.2°F (15.1°C) in February, to an enjoyable 65.3°F (18.5°C). Weather in March »

Weather in April

April in Barstow, California, is a pleasant spring month, with temperature in the range of an average high of 72.3°F (22.4°C) and an average low of 50.9°F (10.5°C). In April, the average high-temperature slightly increases, from an enjoyable 65.3°F (18.5°C) in March, to an agreeable 72.3°F (22.4°C). Weather in April »

Weather in May

May, the last month of the spring, in Barstow, is a warm month, with average temperature fluctuating between 56.8°F (13.8°C) and 80.1°F (26.7°C). In Barstow, the average high-temperature in May marginally rises, from an agreeable 72.3°F (22.4°C) in April, to a warm 80.1°F (26.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Barstow, California, with average temperature fluctuating between 65.5°F (18.6°C) and 91.2°F (32.9°C). In June, the average high-temperature increases, from a warm 80.1°F (26.7°C) in May, to a tropical 91.2°F (32.9°C). Weather in June »

Weather in July

July in Barstow, California, is a sweltering summer month, with average temperature fluctuating between 96.4°F (35.8°C) and 72.7°F (22.6°C). With an average high-temperature of 96.4°F (35.8°C) and an average low-temperature of 72.7°F (22.6°C), July is the warmest month. In Barstow, the average relative humidity is 24%. Weather in July »

Weather in August

August, the last month of the summer, in Barstow, is also a sweltering month, with average temperature ranging between max 95.4°F (35.2°C) and min 72.9°F (22.7°C). In Barstow, the average high-temperature in August is essentially the same as in July - a still torrid 95.4°F (35.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in Barstow, California, with average temperature fluctuating between 67.3°F (19.6°C) and 88.3°F (31.3°C). In September, the average high-temperature slightly decreases, from a sweltering 95.4°F (35.2°C) in August, to a hot 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 average temperature varying between 75.7°F (24.3°C) and 55.9°F (13.3°C). In October, the average high-temperature drops, from a hot 88.3°F (31.3°C) in September, to a moderately hot 75.7°F (24.3°C). Weather in October »

Weather in November

November, the last month of the autumn, in Barstow, is also an enjoyable month, with average temperature fluctuating between 64.8°F (18.2°C) and 45.7°F (7.6°C). In November, the average high-temperature decreases, from a warm 75.7°F (24.3°C) in October, to a comfortable 64.8°F (18.2°C). Weather in November »

Weather in December

December, the first month of the winter, in Barstow, is still a cool month, with average temperature fluctuating between 54.3°F (12.4°C) and 38.7°F (3.7°C). With an average high-temperature of 54.3°F (12.4°C) and an average low-temperature of 38.7°F (3.7°C), December is the coldest month. Weather in December »
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FAQ

What is the most humid month in Barstow?

Months with the highest humidity in Barstow are January and December, with an average relative humidity of 48%.

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?

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

How many days does it snow in Barstow?

In Barstow, California, 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 in Barstow, California, is January, with an average of 7.1h of sunshine.

When it does not snow in Barstow?

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

What is the driest month in Barstow?

The only month without rainfall in Barstow is June.

When are the longest days in Barstow?

June has the longest days of the year in Barstow, with an average of 14.5h of daylight.

What are the months with the most sunshine in Barstow?

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

What is the warmest month in Barstow?

July is the warmest month in Barstow, with an average high-temperature of 96.4°F (35.8°C) and an average low-temperature of 72.7°F (22.6°C).

When does it rain in Barstow?

January through May, July through December are months with rainfall in Barstow, California.

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 least humid month in Barstow?

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

What is the snowiest month 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 are the months 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 is the coldest month in Barstow?

The coldest month in Barstow is December, with an average high-temperature of 54.3°F (12.4°C) and an average low-temperature of 38.7°F (3.7°C).

What is the wettest month in Barstow?

December is the month with the most rainfall. Rain falls for 5.6 days and accumulates 0.55" (14mm) of precipitation.

What is the month with the shortest days in Barstow?

The month with the shortest days in Barstow, California, is December, with an average of 9.8h of daylight.

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").
The month with the lowest atmospheric pressure is June (29.81").

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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

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").
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).
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: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

Months with the most sunshine are June, July and August (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 7.1h).

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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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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