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The weather in December in Santa Bárbara

It's pleasantly warm in December in Santa Bárbara with an average temperature of 19°C. Temperatures this month range from a low of 18°C to a high of 20°C. At night, you can expect temperatures between 14°C and 16°C.

Looking for great weather? December is a good time to be in Santa Bárbara. The temperatures are nice, and there’s not too much 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 Santa Bárbara, Santa Maria. 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 25°C in 2018, Santa Bárbara reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 14°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 9°C to a highest value of 20°C.

Rainfall amount

In December, there is an average of 49 mm of precipitation, spread over 8 days. The wind speed is around 5 Bft, mostly coming from the South.

Daily weather in December for Santa Bárbara

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

December weather comparison

  Santa Bárbara New York
Average temperature 19°C 9°C
Max. temperature 20°C 12°C
Min. temperature 14°C -5°C
Total precipitation 49 mm 133 mm
Rainy days 8 days 17 days

Start of December

The month of December starts in Santa Bárbara with mild temps, averaging around 19°C during the day and nights around 16°C.

Mid December

By mid-December, daytime temps stay steady at around 19°C, with nights around 15°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 Santa Bárbara is around 19°C, while nighttime temps are about 15°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to Santa Bárbara

UV index

The UV index is a maximum of 4 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 Santa Bárbara for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in December in Santa Bárbara, Santa Maria. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in Santa Bárbara

Temperature in December in Santa Bárbara over the years

Precipitation charts

These charts show the average amount of precipitation in December in Santa Bárbara, Santa Maria. 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 Santa Bárbara

Total precipitation in December in Santa Bárbara over the years

Daily UV index in December in Santa Bárbara

This chart shows the average daily UV index in December in Santa Bárbara, 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 Santa Bárbara

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Average weather in Santa Bárbara by month

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