The weather in December in Terceira

It's cool to moderate in December in Terceira with an average temperature of 18°C. Temperatures this month range from a low of 17°C to a high of 19°C. At night, you can expect temperatures between 13°C and 16°C.

Looking for sun? December isn’t a good month to be in Terceira. 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 Terceira, Portugal. 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 21°C in 2019, Terceira reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 12°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 19°C.

Rainfall amount

In December, there is an average of 121 mm of precipitation, spread over 15 days. The wind speed is around 5 Bft, mostly coming from the South.

Daily weather in December for Terceira

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

December weather comparison

  Terceira New York
Average temperature 18°C 9°C
Max. temperature 19°C 12°C
Min. temperature 13°C -5°C
Total precipitation 121 mm 133 mm
Rainy days 15 days 17 days

Start of December

The month of December starts in Terceira with mild temps, averaging around 19°C during the day and nights around 15°C.

Mid December

By mid-December, daytime temps stay steady at around 19°C, with nights around 15°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 Terceira is around 18°C, while nighttime temps are about 14°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

Find affordable vacations to Terceira

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 Terceira for all months and discover the best travel time

The climate in Terceira is based on weather data from . Other places, like Algarve, Lisbon or Albufeira, might have different weather. You can check out all destinations in Terceira to get the full picture of the climate.

Temperature charts

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

Daily Temperature in December in Terceira

Temperature in December in Terceira over the years

Precipitation charts

These charts show the average amount of precipitation in December in Terceira, Portugal. 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 Terceira

Total precipitation in December in Terceira over the years

Daily UV index in December in Terceira

This chart shows the average daily UV index in December in Terceira, 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 Terceira

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Average weather in Terceira by month

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