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The weather in December in Joshua Tree National Park

It's pleasantly warm in December in Joshua Tree National Park with an average temperature of 20°C. Temperatures this month range from a low of 17°C to a high of 22°C. At night, you can expect temperatures between 4°C and 10°C.

Looking for great weather? December is a good time to be in Joshua Tree National Park. The temperatures are nice, and there’s little chance of rain this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Joshua Tree National Park, California. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 30°C in 2021, Joshua Tree National Park reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 8°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -4°C to a highest value of 14°C.

Rainfall amount

In December, there is an average of 13 mm of precipitation, spread over 3 days. The wind speed is around 3 Bft, mostly coming from the Northwest.

Daily weather in December for Joshua Tree National Park

Click on any day in December to get detailed info about the usual weather on that day in Joshua Tree National Park. Check out the historical temperatures and precipitation over the past 10 years on this day.

December weather comparison

  Joshua Tree National Park New York
Average temperature 20°C 9°C
Max. temperature 22°C 12°C
Min. temperature 4°C -5°C
Total precipitation 13 mm 133 mm
Rainy days 3 days 17 days

Start of December

The month of December starts in Joshua Tree National Park with warm temps, averaging around 22°C during the day and nights around 8°C.

Mid December

By mid-December, daytime temps drop to around 20°C, with nights around 6°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of December

By the end of December, the average daytime temperature in Joshua Tree National Park is around 19°C, while nighttime temps are about 6°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

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UV index

The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Check out the climate of Joshua Tree National Park for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in December in Joshua Tree National Park, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in Joshua Tree National Park

Temperature in December in Joshua Tree National Park over the years

Precipitation charts

These charts show the average amount of precipitation in December in Joshua Tree National Park, California. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in December in Joshua Tree National Park

Total precipitation in December in Joshua Tree National Park over the years

Daily UV index in December in Joshua Tree National Park

This chart shows the average daily UV index in December in Joshua Tree National Park, 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.

Weather experiences in December in Joshua Tree National Park

The weather in December in Joshua Tree National Park is rated 4 out of 5 stars by 1 visitor. Have you been to Joshua Tree National Park? Share your weather experience to help other visitors.

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Weather experience:Good StarStarStarStar

Daytime temperatures can reach 20°C, which is ideal for hiking. However, since night temperatures drop significantly, warm clothing is required. I also saw a beautiful starry sky!— This text is automatically translated to English

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Average weather in Joshua Tree National Park by month

Click on a month below to see detailed weather info for Joshua Tree National Park. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.