Temperatures in December
It's hot in December in Santiago with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 30°C. At night, you can expect temperatures between 19°C and 22°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Santiago 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 Santiago with hot temperatures, averaging around 30°C during the day and nights close to 21°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 30°C, with nights close to 21°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 Santiago will be around 29°C, with nights close to 20°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers.
Precipitation in December
In December, there is an average of 105 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The average precipitation chance is 40% per day this month.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Santiago. 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.
Santiago in December |
London | ||
|---|---|---|---|
 Average Temperature |
30°C | 9°C | |
 High Temp |
30°C | 11°C | |
| Low Temp |
29°C | 8°C | |
 Total Precipitation |
105 mm | 67 mm | |
| Rainy Days |
12 days | 10 days | |
November
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is December a good time to visit Santiago?
After some sun? Then December isn’t the best time to be in Santiago. The temperature is pleasant, but there’s too much chance of rain this month.
The hurricane season in Santiago runs from June to November.
Temperature records for Santiago in December
With 33°C, Santiago hit the highest temperature in the last 10 years in December 2018. The lowest daytime temperature in this month was 23°C in 2023. The extreme night temperatures ranged from a low of 14°C to a high of 23°C.
Check out the climate of Santiago for all months and discover the best travel time
Curious about the climate in other parts of Dominican Republic? Check out the weather and climate in places like Puerto Plata, Bávaro, or have a look at other destinations in Dominican Republic.
Daily Temperature in December in Santiago
This chart shows the average daily temperatures, both day and night, for each day in December in Santiago, 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 Santiago
The chart below shows the average daily precipitation in December for Santiago, 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 12 days of rain in Santiago.
Daily UV Index in December in Santiago
This chart shows the average daily UV index in December in Santiago, 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 Santiago Over the Years
This chart shows the average temperature in December in Santiago, measured in degrees Celsius, over the past years.
Total Precipitation in December in Santiago Over the Years
This chart shows the average precipitation in December in Santiago, 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 Santiago
Click on a specific day in December for detailed info on the typical weather on that day in Santiago. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Santiago
Have you been to Santiago in December?
Share your weather experience in December in Santiago.
Average Weather in Santiago by Month
Click on a month below to see detailed weather info for Santiago. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
