Average weather for Barstow in December
It's cold in December in Barstow with an average temperature of 0°C. Temperatures this month range from a low of -3°C to a high of 2°C. At night, you can expect temperatures between -8°C and -1°C.
Start of December
The month of December starts in Barstow with really cold temps, averaging around 2°C during the day and nights dipping to about -3°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month. Wear a heavy winter coat, sweater, long pants, beanie, and gloves.
Mid December
By mid-December, daytime temps drop to around 1°C, with nights around -3°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days. Wear a heavy winter coat, sweater, long pants, beanie, and gloves.
End of December
By the end of December, the average daytime temperature in Barstow is around -0°C, while nighttime temps are about -5°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days. Wear a heavy winter coat, sweater, long pants, beanie, and gloves.
In December, there is an average of 182 mm of precipitation, spread over 14 days. Of the total precipitation, about 89 cm falls as snow in December. The wind speed is around 2 Bft, mostly coming from the Southwest.
Barstow in December |
New York | ||
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0°C | 9°C | |
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2°C | 12°C | |
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-3°C | -5°C | |
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182 mm | 133 mm | |
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14 days | 17 days | |
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89 cm | 9,7 cm | |
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23 days | 3 days |
UV index
The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is December a good time to visit Barstow?
Looking for sun? December isn’t a good month to be in Barstow. There’s too much chance of rain this month.
Temperature records
With 15°C in 2021, Barstow reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -18°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -29°C to a highest value of 6°C.
Check out the climate of Barstow for all months and discover the best travel time
Daily Temperature in December in Barstow
This chart shows the average daily high and low temperatures in December for Barstow, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Barstow
The chart below shows the average daily precipitation in December for Barstow, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 14 days of precipitation in Barstow.
Daily Snowfall in December in Barstow
This chart shows the average daily snowfall in December in Barstow, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in December.
Daily UV index in December in Barstow
This chart shows the average daily UV index in December in Barstow, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Barstow over the years
This chart shows the average temperature in December in Barstow, measured in degrees Celsius, over the past few years.
Total precipitation in December in Barstow over the years
This chart shows the average precipitation in December in Barstow, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in December in Barstow per year
This chart shows the average snowfall in December in Barstow, measured in centimeters, over the past few years.
Daily weather in December for Barstow
Click on any day in December to get detailed info about the usual weather on that day in Barstow. Check out the historical temperatures and precipitation over the past 10 years on this day.































Weather experiences in December in Barstow
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Average weather in Barstow by month
Click on a month below to see detailed weather info for Barstow. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.