When is the best time to go to São Luís
The chart above shows the best time of year to visit São Luís, Brazil. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in São Luís
São Luís weather by month
Please note our recommendations for when to visit São Luís are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 224mm | 6.5hrs | 13hrs | 28°C |
The weather in January in São Luís is characteristically hot, humid and very wet.
Based on weather alone, this is probably a time of year to avoid going to São Luís for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
January is in the summer in São Luís and is typically the coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 23°C (73°F) is normal.
On average January is the driest month of the year in São Luís with around 224mm 8.8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 26 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.5 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 27°C | 325mm | 4.4hrs | 12.9hrs | 28°C |
February in São Luís is generally very wet with the temperature being hot.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit São Luís.
February is in the summer in São Luís and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (74°F) is normal.
On average February is the 2nd driest month of the year in São Luís with around 325mm 12.8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 28 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.4 hours of sunshine per day.
São Luís weather in February »
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 27°C | 390mm | 3.8hrs | 12.8hrs | 29°C |
The weather in March in São Luís is characteristically hot, humid and very wet.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit São Luís.
March is in the fall / autumn in São Luís and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (74°F) is normal.
On average March is the 3rd driest month of the year in São Luís with around 390mm 15.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 31 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.8 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 27°C | 431mm | 4.2hrs | 12.8hrs | 29°C |
São Luís's weather in April is typically hot, humid and very wet in nature.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit São Luís.
April is in the fall / autumn in São Luís and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (74°F) is normal.
On average April is the 4th driest month of the year in São Luís with around 431mm 16.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 30 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.2 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 27°C | 294mm | 5.7hrs | 12.7hrs | 29°C |
May is a very wet, humid month in São Luís and the temperature is generally hot.
Based on weather alone, this is probably a time of year to avoid going to São Luís for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
May is in the fall / autumn in São Luís and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 23°C (74°F) is normal.
On average May is the 5th driest month of the year in São Luís with around 294mm 11.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 31 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.7 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 155mm | 7.7hrs | 13hrs | 28°C |
Hot, humid and wet weather often prevails in São Luís during the month of June
Based on weather alone, this is probably a time of year to avoid going to São Luís for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
June is in the winter in São Luís and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 23°C (73°F) is normal.
On average June is the 6th driest month of the year in São Luís with around 155mm 6.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 121mm | 8.3hrs | 12.9hrs | 28°C |
July in São Luís is generally wet with the temperature being hot.
Based on weather alone, this is probably a time of year to avoid going to São Luís for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
July is in the winter in São Luís and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 23°C (73°F) is normal.
On average July is the 6th wettest month of the year in São Luís with around 121mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 35mm | 9hrs | 12.8hrs | 27°C |
The weather in August in São Luís is characteristically hot, humid and reasonably dry.
It is perhaps a good month to visit São Luís, with some surprisingly good weather at this time of year.
August is in the winter in São Luís and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 23°C (74°F) is normal.
On average August is the 5th wettest month of the year in São Luís with around 35mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 18mm | 8.9hrs | 12.8hrs | 27°C |
São Luís's weather in September is typically hot, humid and dry in nature.
It is perhaps the perfect month to visit São Luís, with some particularly good weather at this time of year.
September is in the spring in São Luís and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 24°C (74°F) is normal.
On average September is the 4th wettest month of the year in São Luís with around 18mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.9 hours of sunshine per day.
São Luís weather in September »
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 10mm | 8.6hrs | 12.7hrs | 27°C |
October is a very dry, humid month in São Luís and the temperature is generally hot.
It is perhaps the perfect month to visit São Luís, with some very good weather at this time of year.
October is in the spring in São Luís and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 24°C (75°F) is normal.
On average October is the 3rd wettest month of the year in São Luís with around 10mm 0.4 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 8.6 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 13mm | 8.6hrs | 13hrs | 27°C |
Hot, humid and dry weather often prevails in São Luís during the month of November
It is perhaps the perfect month to visit São Luís, with some extremely good weather at this time of year.
November is in the spring in São Luís and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 24°C (75°F) is normal.
On average November is the 2nd wettest month of the year in São Luís with around 13mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.6 hours of sunshine per day.
São Luís weather in November »
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 85mm | 7.1hrs | 12.9hrs | 28°C |
December in São Luís is generally a little damp with the temperature being hot.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit São Luís.
December is in the summer in São Luís and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 23°C (74°F) is normal.
On average December is the wettest month of the year in São Luís with around 85mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
Other monthly averages
São Luís weather stats
| Hottest month: | November | 31.8°C 89.2°F |
|---|---|---|
| Driest month: | October | 10mm 0.4ins |
| Sunniest month: | August | 9hrs |
| Coldest month: | March | 29.7°C 85.5°F |
| Wettest month: | April | 431mm 17ins |
| Warmest sea: | April | 28.7°C 83.7°F |
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