Weathermondo.com
United StatesThe weather in December in Castle Park
It's pleasantly warm in December in Castle Park with an average temperature of 20°C. Temperatures this month range from a low of 16°C to a high of 22°C. At night, you can expect temperatures between 7°C and 11°C.
Looking for sun? December isn’t a good month to be in Castle Park. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Castle 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 29°C in 2022, Castle Park reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 9°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 18°C.
Rainfall amount
In December, there is an average of 102 mm of precipitation, spread over 13 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in December for Castle Park
Click on any day in December to get detailed info about the usual weather on that day in Castle Park. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Castle Park | New York | |
|---|---|---|
| Average temperature | 20°C | 9°C |
| Max. temperature | 22°C | 12°C |
| Min. temperature | 7°C | -5°C |
| Total precipitation | 102 mm | 133 mm |
| Rainy days | 13 days | 17 days |
Start of December
The month of December starts in Castle Park with mild temps, averaging around 21°C during the day and nights around 11°C.
Mid December
By mid-December, daytime temps drop to around 20°C, with nights around 9°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of December
By the end of December, the average daytime temperature in Castle Park is around 19°C, while nighttime temps are about 9°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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 Castle Park for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in December in Castle 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 Castle Park
Temperature in December in Castle Park over the years
Precipitation charts
These charts show the average amount of precipitation in December in Castle 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 Castle Park
Total precipitation in December in Castle Park over the years
Daily UV index in December in Castle Park
This chart shows the average daily UV index in December in Castle 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 Castle Park
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Average weather in Castle Park by month
Click on a month below to see detailed weather info for Castle Park. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.