Monthly weather forecast and climate
São Luís, Brazil

How much does it rain in São Luís?

Throughout the year, in São Luís, there are 130 rainfall days, and 2290.2mm (90.2") of precipitation is accumulated.

What are the coldest months in São Luís?

February and March, with an average high-temperature of 29.4°C (84.9°F), are the coldest months in São Luís.

What is the wettest month in São Luís?

April is the month with the most rainfall in São Luís. Rain falls for 22 days and accumulates 475.9mm (18.7") of precipitation.

What is the driest month in São Luís?

The month with the least rainfall in São Luís is October when the rain falls for 1 days and typically collects 7.6mm (0.3") of precipitation.

What is the warmest month in São Luís?

The warmest month in São Luís is November, with an average high-temperature of 31.4°C (88.5°F) and an average low-temperature of 24°C (75.2°F).
Average temperature - São Luís, Brazil
Average humidity - São Luís, Brazil
Average rainfall - São Luís, Brazil

The wettest month (with the highest rainfall) is April (475.9mm).
The driest month (with the lowest rainfall) is October (7.6mm).

Average rainfall days - São Luís, Brazil

The month with the highest number of rainy days is March (23 days).
Months with the lowest number of rainy days are October and November (1 days).

Average sea temperature - São Luís, Brazil

The best month for swimming (with the highest average sea temperature) is March (28.9°C).
The coldest month (with the lowest average sea temperature) is September (27.3°C).

Average daylight / Average sunshine - São Luís, Brazil

Months with the longest days are January and December (Average daylight: 12.3h).
Months with shortest days are May, June, July and August (Average daylight: 12h).

The month with most sunshine is August (Average sunshine: 8.4h).
The month with least sunshine is March (Average sunshine: 3.5h).

Average UV index - São Luís, Brazil

Months with the highest UV index are January, February, March, April, September, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 10).

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