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Normal weather for Santa Clara in December

It's pleasantly warm in December in Santa Clara with an average temperature of 19°C. Temperatures this month range from a low of 15°C to a high of 23°C. At night, you can expect temperatures between 4°C and 12°C.

In December, there is an average of 102 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the South.

Santa Clara in December

New York
Temperature Average Temperature
19°C 9°C
Sun High Temp
23°C 12°C
Sun Low Temp
15°C 4°C
Rain Total Precipitation
102 mm 133 mm
Rain Rainy Days
11 days 17 days

Start of December

The month of December starts in Santa Clara with mild temps, averaging around 20°C during the day and nights around 8°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.

With the temperature difference between day and night, it’s smart to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.

Mid December

By mid-December, daytime temps stay steady at around 20°C, with nights around 7°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

Since it cools down at night, it’s a good idea to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.

End of December

By the end of December, the average daytime temperature in Santa Clara is around 20°C, while nighttime temps are about 8°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

Because temperatures drop in the evening, wearing layers is recommended. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.

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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.

Is December a good time to visit Santa Clara?

Looking for sun? December isn’t a good month to be in Santa Clara. The temperature is nice, but there’s too much chance of rain.

The hurricane season in Santa Clara runs from June to November.

Check out the climate of Santa Clara for all months and discover the best travel time

Plan your next vacation

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Daily Temperature in December in Santa Clara

This chart shows the average daily high and low temperatures in December for Santa Clara, 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 Temperature in December in Santa Clara

Daily Precipitation in December in Santa Clara

The chart below shows the average daily precipitation in December for Santa Clara, 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 11 days of precipitation in Santa Clara.

Daily Precipitation in December in Santa Clara

Daily UV Index in December in Santa Clara

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

Daily UV Index in December in Santa Clara

Temperature in December in Santa Clara Over the Years

This chart shows the average temperature in December in Santa Clara, measured in degrees Celsius, over the past few years.

Temperature in December in Santa Clara Over the Years

Total Precipitation in December in Santa Clara Over the Years

This chart shows the average precipitation in December in Santa Clara, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in December in Santa Clara Over the Years

Daily Climate in December for Santa Clara

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

Weather experiences in December in Santa Clara

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Average Weather in Santa Clara by Month

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


Or check out the climate of Santa Clara for all months at once

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