Normal weather for Isla Vista in December
It's pleasantly warm in December in Isla Vista with an average temperature of 19°C. Temperatures this month range from a low of 17°C to a high of 20°C. At night, you can expect temperatures between 5°C and 9°C.
In December, there is an average of 124 mm of precipitation, spread over 14 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Isla Vista in December |
London | ||
|---|---|---|---|
 Average Temperature |
19°C | 9°C | |
 High Temp |
20°C | 11°C | |
| Low Temp |
17°C | 8°C | |
 Total Precipitation |
124 mm | 67 mm | |
| Rainy Days |
14 days | 10 days | |
Start of December
The month of December starts in Isla Vista with mild temperatures, averaging around 20°C during the day and nights close to 9°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a warm coat, jumper or cardigan, and long trousers.
Mid-December
By mid-December, the average daytime temperature drops to around 19°C, with nights close to 7°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a warm coat, jumper or cardigan, and long trousers.
End of December
By the end of December, the average daytime temperature in Isla Vista will be around 18°C, with nights close to 7°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
As it gets cooler in the evening, it’s best to wear layers. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a warm coat, jumper or cardigan, and long trousers.
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.
Is December a good time to visit Isla Vista?
After some sun? Then December isn’t the best time to be in Isla Vista. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Isla Vista in December
With 27°C, Isla Vista hit the highest temperature in the last 10 years in December 2014. The lowest daytime temperature in this month was 11°C in 2021. The extreme night temperatures ranged from a low of -2°C to a high of 15°C.
Check out the climate of Isla Vista for all months and discover the best travel time
November
Daily Temperature in December in Isla Vista
This chart shows the average daily temperatures, both day and night, for each day in December in Isla Vista, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Isla Vista
The chart below shows the average daily precipitation in December for Isla Vista, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 14 days of rain in Isla Vista.
Daily UV Index in December in Isla Vista
This chart shows the average daily UV index in December in Isla Vista, 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 Isla Vista Over the Years
This chart shows the average temperature in December in Isla Vista, measured in degrees Celsius, over the past years.
Total Precipitation in December in Isla Vista Over the Years
This chart shows the average precipitation in December in Isla Vista, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for Isla Vista
Click on a specific day in December for detailed info on the typical weather on that day in Isla Vista. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Isla Vista
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Average Weather in Isla Vista by Month
Click on a month below to see detailed weather info for Isla Vista. 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 Isla Vista for all months at once
