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When is the best time to visit Sao Luis?
In general the best time to visit Sao Luis is probably December, when the weather is usually great. The hottest months are October, November, December, while the coldest months are January, February, March.
Depending on the activities you want to experience, you may choose different months to visit:
- The best time for a sunbathing holiday is October, November, December. Average maximum temperatures are up to +31°C in December and it has 2 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during January - December.
- If you want to avoid wet weather, then your choice is March, April, May with the lowest chance of rain.
Average weather in Sao Luis in different months
This is the average weather in Sao Luis for each month based on historic data:
August, September, October, November usually has good weather. Average maximum temperature reaches +31°C during August.
In January, February, March, April, May, June, July, December the weather is average. Expect around 218 rainy days, and the precipitation amounts to approximately 437 mm in March.
Climate in Sao Luis
Here is the detailed breakdown of the climate in Sao Luis for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +34°C | +34°C | +32°C | +33°C | +33°C | +34°C | +33°C | +34°C | +34°C | +35°C | +34°C | +34°C |
| Average Maximum Temperature | |||||||||||
| +29°C | +29°C | +29°C | +29°C | +29°C | +30°C | +30°C | +31°C | +31°C | +31°C | +31°C | +31°C |
| Minimum Temperature | |||||||||||
| +21°C | +22°C | +22°C | +23°C | +22°C | +23°C | +22°C | +22°C | +23°C | +22°C | +23°C | +20°C |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 82 | 84 | 85 | 86 | 84 | 82 | 80 | 77 | 75 | 75 | 75 | 77 |
| Rain, mm | |||||||||||
| 230 | 320 | 437 | 406 | 288 | 158 | 103 | 29 | 13 | 13 | 26 | 88 |
| Snow, mm | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Average wind speed, m/s | |||||||||||
| 3 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 4 | 5 | 5 | 4 |
| Sunny Days | |||||||||||
| 0 | 0 | 0 | 0 | 1 | 1 | 2 | 6 | 9 | 6 | 4 | 2 |
| Cloud Days | |||||||||||
| 1 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 7 | 12 | 10 | 6 |
| Rainy Days | |||||||||||
| 28 | 26 | 30 | 28 | 29 | 27 | 27 | 21 | 13 | 12 | 16 | 23 |
| Snowy Days | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Average Temperature
Here are the average maximum and minimum temperatures in Sao Luis during the whole year:
The hottest month in Sao Luis is December with average maximum temperature going up to +31°C. The coldest month is January with the lowest temperatures of +25°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Sao Luis looks throughout the year, in %:
The most humid month in Sao Luis is April with average humidity going up to 86%. The least humid month is September with an average humidity of 75%.
Rain
Amount of rainfall in mm. in Sao Luis during the whole year based on historical data:
The sunniest and driest month is September with approximately 9 sunny days and a total precipitation of around 13 mm. The rainiest and wettest month is March with approximately 30 rainy days and 437 mm of total precipitation.
FAQ
Frequently asked questions about the weather in Sao Luis:
What is the hottest month in Sao Luis?
The hottest month in Sao Luis is December with average maximum temperature of +31°C.
What is the coldest month in Sao Luis?
The coldest month in Sao Luis is January with minimum temperatures of +25°C.
Is Sao Luis worth visiting in winter?
Winter in Sao Luis could be a good time to visit, as the weather is generally ok.
When does it rain the least in Sao Luis?
if you're looking to visit Sao Luis when it rains the least, you should plan your trip for March, April, February. During this time, rainfall is rare with the driest month being September with only 13 mm of rain.
Other cities in Brazil
Check out the weather for other cities in Brazil.
Monthly weather in Sao Luis
Source of the data
For this page, we’ve looked at the typical weather in Sao Luis, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
