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BrazilThe weather in December in São Luís
It's hot in December in São Luís with an average temperature of 34°C. Temperatures this month range from a low of 33°C to a high of 34°C. At night, you can expect temperatures between 24°C and 25°C.
December is an awesome month to be in São Luís for sunny weather. You’ll have high temperatures and not much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for São Luís, Brazil. 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 40°C in 2015, São Luís reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 29°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 20°C to a highest value of 28°C.
Rainfall amount
In December, there is an average of 14 mm of precipitation, spread over 6 days. The wind speed is around 5 Bft, mostly coming from the East.
Daily weather in December for São Luís
Click on any day in December to get detailed info about the usual weather on that day in São Luís. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| São Luís | New York | |
|---|---|---|
| Average temperature | 34°C | 9°C |
| Max. temperature | 34°C | 12°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 14 mm | 133 mm |
| Rainy days | 6 days | 17 days |
Start of December
The month of December starts in São Luís with hot temps, averaging around 34°C during the day and nights around 25°C.
Mid December
By mid-December, daytime temps stay steady at around 34°C, with nights around 25°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of December
By the end of December, the average daytime temperature in São Luís is around 34°C, while nighttime temps are about 25°C. A shower might pop up, but overall, the weather will be dry and sunny.
Find affordable trips to São Luís
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of São Luís for all months and discover the best travel time
Curious about the weather in other parts of Brazil? Check out the climate and weather for spots like Rio de Janeiro, Salvador, Pipa, or explore other destinations in Brazil.
Temperature charts
These charts show the average temperatures in December in São Luís, Brazil. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in São Luís
Temperature in December in São Luís over the years
Precipitation charts
These charts show the average amount of precipitation in December in São Luís, Brazil. 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 São Luís
Total precipitation in December in São Luís over the years
Daily UV index in December in São Luís
This chart shows the average daily UV index in December in São Luís, 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 São Luís
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Average weather in São Luís by month
Click on a month below to see detailed weather info for São Luís. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.