Temperatures in December
It's cool to moderate in December in Castelo Branco 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.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Castelo Branco in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Castelo Branco with mild temperatures, averaging around 19°C during the day and nights close to 16°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-December
By mid-December, the average daytime temperature stays the same at 19°C, with nights close to 15°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of December
By the end of December, the average daytime temperature in Castelo Branco will be around 18°C, with nights close to 15°C. There’s a significant chance of many days with precipitation.
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Precipitation in December
In December, there is an average of 134 mm of precipitation, spread over 15 days. The wind speed is around 6 Bft, mostly coming from the South.
The average precipitation chance is 49% per day this month. Though it seems average, the weather’s variable. Some days have a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Castelo Branco. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Castelo Branco in December |
London | ||
|---|---|---|---|
 Average Temperature |
18°C | 9°C | |
 High Temp |
19°C | 11°C | |
| Low Temp |
17°C | 8°C | |
 Total Precipitation |
134 mm | 67 mm | |
| Rainy Days |
15 days | 10 days | |
November
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 Castelo Branco?
After some sun? Then December isn’t the best time to be in Castelo Branco. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Castelo Branco in December
With 22°C, Castelo Branco hit the highest temperature in the last 10 years in December 2017. The lowest daytime temperature in this month was 13°C in 2015. The extreme night temperatures ranged from a low of 8°C to a high of 20°C.
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Daily Temperature in December in Castelo Branco
This chart shows the average daily temperatures, both day and night, for each day in December in Castelo Branco, 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 Castelo Branco
The chart below shows the average daily precipitation in December for Castelo Branco, 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 15 days of rain in Castelo Branco.
Daily UV Index in December in Castelo Branco
This chart shows the average daily UV index in December in Castelo Branco, 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 Castelo Branco Over the Years
This chart shows the average temperature in December in Castelo Branco, measured in degrees Celsius, over the past years.
Total Precipitation in December in Castelo Branco Over the Years
This chart shows the average precipitation in December in Castelo Branco, 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 Castelo Branco
Click on a specific day in December for detailed info on the typical weather on that day in Castelo Branco. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Castelo Branco
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Average Weather in Castelo Branco by Month
Click on a month below to see detailed weather info for Castelo Branco. 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 Castelo Branco for all months at once
