Weather in São Luís, Brazil
Weather Advisories
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Today's weather summary
The weather in São Luís on Monday, December 23rd, will change throughout the day from cloudy weather to clear.
Looks like cloud overcast will emerge before dawn and there is a high chance for clear skies before dawn.
Weather details for São Luís, on Monday, December 23rd:
The maximum temperature of the day will be 99°F at about 3 pm. The day will have comfortable humidity, with average humidity of 59%, ranging from 32% to a maximum value of 95% at about 5 am. The wind will be light, and will get up to 10 mph at midnight, blowing from the north. The cloud coverage will range from 0% around 2 am to as high as 100% around 11 pm with an average of 28%.
There is no probability for any precipitation throughout the day. The dew point will range from 63°F up to a maximum value of 74°F around 5 am.
The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1010 hPa. Sunrise will be at 5:37 am, and sunset at 5:58 pm, making it a total of 12 hours and 21 minutes of daylight.
Air quality forecast for São Luís, on Monday, December 23rd:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 39 and 84.
Pollen forecast for São Luís, on Monday, December 23rd:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
The weather in São Luís on Tuesday, December 24th, will be mostly clear for most of the day, together with cloud overcast in the afternoon.
There's seems to be also high probability of clear skies before dawn around 1 am.
Weather information for São Luís, on Tuesday, December 24th:
The highest temperature of the day will be 99°F at about 3 pm. The day will have comfortable humidity, with average humidity of 57%, ranging from 29% to a maximum value of 92% at about 6 am. The wind will be breezy, and will get up to 11 mph at 9 pm, blowing from the north. The cloud coverage will range from 9% around noon to as high as 93% around 7 pm with an average of 39%.
The chances of precipitation throughout the day will change between 0% and 5%. The highest chance for precipitation will be around 5 pm and the lowest probability around midnight. The dew point will range from 59°F up to a maximum value of 74°F around 6 am.
The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1009 hPa. Sunrise will be at 5:38 am, and sunset at 5:58 pm, making it a total of 12 hours and 20 minutes of daylight.
Air quality forecast for São Luís, on Tuesday, December 24th:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 47 and 84.
Pollen forecast for São Luís, on Tuesday, December 24th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.