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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- 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
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 refreshing winter month, with temperature in the range of an average high of 55.9°F (13.3°C) and an average low of 39.7°F (4.3°C). January's onset sees an average high-temperature of a moderate 55.9°F (13.3°C), exhibiting a slight fluctuation from the previous month. Weather in January »
Weather in February
February, the last month of the winter in Barstow, is another refreshing month, with an average temperature ranging between max 59.2°F (15.1°C) and min 41.9°F (5.5°C). The advent of February denotes an average high-temperature of a still moderate 59.2°F (15.1°C), subtly different 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 varying between 65.3°F (18.5°C) and 46.8°F (8.2°C). Barstow's weather shows a minor temperature rise with the arrival of March, moving from a mild 59.2°F (15.1°C) in February to a comfortable 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 fluctuating between 72.3°F (22.4°C) and 50.9°F (10.5°C). The arrival of April introduces a minor uplift in high-temperatures, adjusting from an enjoyable 65.3°F (18.5°C) in March to a pleasant 72.3°F (22.4°C). Weather in April »
Weather in May
May, the last month of the spring in Barstow, is a moderately hot month, with an average temperature fluctuating between 80.1°F (26.7°C) and 56.8°F (13.8°C). May's arrival coincides with a marginal rise in the average high-temperature, moving 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
The first month of the summer, June, is a hot month in Barstow, California, with an average temperature varying between 65.5°F (18.6°C) and 91.2°F (32.9°C). June's arrival coincides with a temperature rise, moving from May's moderately hot 80.1°F (26.7°C) 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 high of 96.4°F (35.8°C) and an average low of 72.7°F (22.6°C). July, with an average high of 96.4°F (35.8°C) and a low of 72.7°F (22.6°C), signifies the warmest month of the year. 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 an average temperature fluctuating between 72.9°F (22.7°C) and 95.4°F (35.2°C). August's weather displays an average high-temperature of a still torrid 95.4°F (35.2°C), slightly varied from July's 96.4°F (35.8°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a tropical month in Barstow, California, with an average temperature fluctuating between 88.3°F (31.3°C) and 67.3°F (19.6°C). The start of September involves a subtle temperature drop, shifting from a very hot 95.4°F (35.2°C) in August 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 varying between 55.9°F (13.3°C) and 75.7°F (24.3°C). In October, the meteorological conditions alter, with the average high-temperature shifting from a hot 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 comfortable month, with an average temperature ranging between min 45.7°F (7.6°C) and max 64.8°F (18.2°C). November brings a decrease in the average high-temperature, falling from October's warm 75.7°F (24.3°C) 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 temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 38.7°F (3.7°C). December is the coldest month, exhibiting average temperatures of 54.3°F (12.4°C) at the peak and 38.7°F (3.7°C) at the base. Weather in December »
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the most humid months?
January and December, with an average relative humidity of 48%, are most humid months.
How many days does it rain?
Throughout the year, there are 36.5 rainfall days, and 3.11" (79mm) of precipitation is accumulated.
When does it snow?
Months with snowfall in Barstow are January and November.
How many days does it snow?
Throughout the year, there are 1.3 snowfall days, and 0.47" (12mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 7.1h of sunshine, January has the least sunshine of the year.
When it does not snow?
February through October and December are months without snowfall.
When is Daylight Saving Time (DST)?
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?
June is the only month when rain does not fall.
When are the longest days?
With an average of 14h and 30min of daylight, June has the longest days of the year.
What are the months with the most sunshine?
June through August, with an average of 12.1h of sunshine, are months with the most sunshine.
What is the warmest month in Barstow?
With its average high temperature of 96.4°F (35.8°C) and a low of 72.7°F (22.6°C), July is regarded as the warmest month.
When does it rain in Barstow?
January through May, July through December are months with rainfall.
What is the month with the highest UV index?
The month with the highest UV index is July, with an average maximum UV index of 8.
What is the least humid month?
The least humid month is August, with an average relative humidity of 23%.
What is the snowiest month?
November is the month with the most snowfall. Snow falls for 0.2 days and accumulates 0.39" (10mm) of snow.
What are the months with the lowest UV index?
November and December, with an average maximum UV index of 3, are months with the lowest UV index.
What is the coldest month?
December is the coldest month of the year, registering average temperatures as high as 54.3°F (12.4°C) and as low as 38.7°F (3.7°C).
What is the rainiest month?
The month with the most rainfall 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?
With an average of 9h and 54min of daylight, December has the shortest days of the year.
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).
Average pressure
Barstow, CA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
29.99"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.85"Hg - Average pressure in June:
29.81"Hg
- Average pressure in July:
29.85"Hg - Average pressure in August:
29.84"Hg - Average pressure in September:
29.85"Hg - Average pressure in October:
29.93"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.08"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).
Average wind speed
Barstow, CA
- Average wind speed in January:
6.3mph - Average wind speed in February:
8.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
11.9mph - Average wind speed in May:
12.6mph - Average wind speed in June:
11.8mph
- Average wind speed in July:
9.9mph - Average wind speed in August:
9.4mph - Average wind speed in September:
8.6mph - Average wind speed in October:
7.9mph - Average wind speed in November:
7.2mph - Average wind speed in December:
6.8mph
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).
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%).
Average rainfall
Barstow, CA
- Average rainfall in January:
0.43" - Average rainfall in February:
0.47" - Average rainfall in March:
0.43" - Average rainfall in April:
0.43" - Average rainfall in May:
0.08" - Average rainfall in June:
0"
- Average rainfall in July:
0.12" - Average rainfall in August:
0.08" - Average rainfall in September:
0.08" - Average rainfall in October:
0.12" - Average rainfall in November:
0.31" - Average rainfall in December:
0.55"
The wettest month (with the highest rainfall) is December (0.55").
The driest month (with the least rainfall) is June (0").
Average rainfall days
Barstow, CA
- Average rainfall days in January:
4.6 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
5 days - Average rainfall days in April:
4.3 days - Average rainfall days in May:
1.6 days - Average rainfall days in June:
0.2 days
- Average rainfall days in July:
2.8 days - Average rainfall days in August:
2 days - Average rainfall days in September:
1.9 days - Average rainfall days in October:
1.5 days - Average rainfall days in November:
2.5 days - Average rainfall days in December:
5.6 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).
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").
Average snowfall days
Barstow, CA
- Average snowfall days in January:
0.4 days - Average snowfall days in February:
0.2 days - Average snowfall days in March:
0.2 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.2 days - Average snowfall days in December:
0.3 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).
Average daylight / Average sunshine
Barstow, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 3min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
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 January:
7h and 1min - Average sunshine in February:
7h and 1min - Average sunshine in March:
9h and 1min - Average sunshine in April:
11h and 4min - Average sunshine in May:
12h and 0min - Average sunshine in June:
12h and 1min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 1min - Average sunshine in September:
10h and 4min - Average sunshine in October:
9h and 1min - Average sunshine in November:
7h and 2min - Average sunshine in December:
7h 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).
Average sunshine days
Barstow, CA
- Average sunshine days in January:
25.2 days - Average sunshine days in February:
22.8 days - Average sunshine days in March:
25.3 days - Average sunshine days in April:
26.1 days - Average sunshine days in May:
28.8 days - Average sunshine days in June:
29.8 days
- Average sunshine days in July:
26.8 days - Average sunshine days in August:
28.7 days - Average sunshine days in September:
27.5 days - Average sunshine days in October:
28.7 days - Average sunshine days in November:
26.5 days - Average sunshine days in December:
24.8 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).
Average UV index
Barstow, CA
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).
Average cloud cover
Barstow, CA
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).
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).
Barstow, California, USA
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