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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, the same as December, is a moderately hot summer month in São Sebastião do Maranhão, Brazil, with an average temperature varying between 26.5°C (79.7°F) and 17.5°C (63.5°F). Upon the beginning of January, São Sebastião do Maranhão's high-temperatures register at a still moderately hot 26.5°C (79.7°F), closely mirroring the preceding month. Weather in January »
Weather in February
February, the last month of the summer in São Sebastião do Maranhão, is also a moderately hot month, with an average temperature varying between 17.2°C (63°F) and 26.5°C (79.7°F). February displays an average high-temperature of a still warm 26.5°C (79.7°F), holding the same as the previous month. Weather in February »
Weather in March
The first month of the autumn, March, is still a warm month in São Sebastião do Maranhão, Brazil, with an average temperature ranging between max 26°C (78.8°F) and min 17.4°C (63.3°F). The average high-temperature during March registers at a still moderately hot 26°C (78.8°F), maintaining a close resemblance to the previous month. Weather in March »
Weather in April
April, the same as March, is another warm autumn month in São Sebastião do Maranhão, Brazil, with an average temperature fluctuating between 24.7°C (76.5°F) and 16.8°C (62.2°F). The arrival of April records an average high-temperature of a still warm 24.7°C (76.5°F), closely related to the 26°C (78.8°F) observed in March. Weather in April »
Weather in May
The last month of the autumn, May, is also a moderately hot month in São Sebastião do Maranhão, Brazil, with an average temperature ranging between max 23.4°C (74.1°F) and min 14.7°C (58.5°F). As April turns into May, the average high-temperatures rest at a still warm 23.4°C (74.1°F), showing a minor variation from the prior month. Weather in May »
Weather in June
June, the first month of the winter in São Sebastião do Maranhão, is also an agreeable month, with an average temperature fluctuating between 13.6°C (56.5°F) and 22.7°C (72.9°F). In São Sebastião do Maranhão, Brazil, the lowest average temperatures are observed in June, with a high of 22.7°C (72.9°F) and a low of 13.6°C (56.5°F). Weather in June »
Weather in July
July, like June, is another pleasant winter month in São Sebastião do Maranhão, Brazil, with temperature in the range of an average low of 12.6°C (54.7°F) and an average high of 22.8°C (73°F). As São Sebastião do Maranhão, Brazil, welcomes July, the average high-temperature records at a still agreeable 22.8°C (73°F), marking an insignificant deviation from the prior month. Weather in July »
Weather in August
August, the last month of the winter in São Sebastião do Maranhão, is a moderately hot month, with an average temperature ranging between max 24.7°C (76.5°F) and min 12.9°C (55.2°F). The average high-temperature in August, at a warm 24.7°C (76.5°F), reveals a modest deviation from July's 22.8°C (73°F). Weather in August »
Weather in September
September, the first month of the spring in São Sebastião do Maranhão, is also a moderately hot month, with an average temperature varying between 15°C (59°F) and 27.1°C (80.8°F). With the onset of September, São Sebastião do Maranhão's average high-temperature clocks in at a still warm 27.1°C (80.8°F), showing a minor fluctuation from the previous month. Weather in September »
Weather in October
October, the same as September, is another warm spring month in São Sebastião do Maranhão, Brazil, with temperature in the range of an average low of 16.9°C (62.4°F) and an average high of 27.3°C (81.1°F). With average high temperatures of 27.3°C (81.1°F) and lows of 16.9°C (62.4°F), October is the warmest month. The average heat index in October is evaluated at a hot 30°C (86°F). Weather in October »
Weather in November
The last month of the spring, November, is also a moderately hot month in São Sebastião do Maranhão, Brazil, with an average temperature ranging between min 17.7°C (63.9°F) and max 25.7°C (78.3°F). São Sebastião do Maranhão in November witnesses an average high-temperature of a still warm 25.7°C (78.3°F), indicating a slight variation from October's 27.3°C (81.1°F). Weather in November »
Weather in December
The first month of the summer, December, is still a warm month in São Sebastião do Maranhão, Brazil, with an average temperature ranging between min 18°C (64.4°F) and max 26°C (78.8°F). São Sebastião do Maranhão's average high-temperature marks a still warm 26°C (78.8°F) with the advent of December, closely mirroring that of the preceding month. Weather in December »
Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain in São Sebastião do Maranhão?
In São Sebastião do Maranhão, Brazil, during the entire year, the rain falls for 201.3 days and collects up to 1102mm (43.39") of precipitation.
What are the months with the highest UV index in São Sebastião do Maranhão?
The months with the highest UV index in São Sebastião do Maranhão, Brazil, are January and September, with an average maximum UV index of 6.
What is the month with the lowest UV index in São Sebastião do Maranhão?
The months with the lowest UV index are February through August, October through December, with an average maximum UV index of 5.
What are the most humid months in São Sebastião do Maranhão?
The months with the highest humidity in São Sebastião do Maranhão, Brazil, are March and April, with an average relative humidity of 89%.
What time of the year is the coldest in São Sebastião do Maranhão?
June, with average temperatures reaching a high of 22.7°C (72.9°F) and a low of 13.6°C (56.5°F), is the coldest month in São Sebastião do Maranhão.
What is the month with the shortest days in São Sebastião do Maranhão?
The month with the shortest days in São Sebastião do Maranhão, Brazil, is June, with an average of 11h and 6min of daylight.
What is the driest month in São Sebastião do Maranhão?
July is the month with the least rainfall in São Sebastião do Maranhão. Rain falls for 5.7 days and accumulates 4mm (0.16") of precipitation.
What is the least humid month in São Sebastião do Maranhão?
The least humid month is September, with an average relative humidity of 70%.
What month has the most sunshine in São Sebastião do Maranhão?
The month with the most sunshine is September, with an average of 8.6h of sunshine.
What month is the hottest in São Sebastião do Maranhão?
São Sebastião do Maranhão reaches its average highest temperatures in October, measuring 27.3°C (81.1°F) at the peak and 16.9°C (62.4°F) at the lowest.
What is the month with the least sunshine in São Sebastião do Maranhão?
With an average of 6.1h of sunshine, November has the least sunshine of the year.
What is the rainiest month in São Sebastião do Maranhão?
December is the month with the most rainfall. Rain falls for 26.8 days and accumulates 211mm (8.31") of precipitation.
When are the longest days in São Sebastião do Maranhão?
The month with the longest days is December, with an average of 13h and 12min of daylight.
Is there Daylight Saving Time (DST) in São Sebastião do Maranhão?
São Sebastião do Maranhão, Brazil, does not utilize Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average temperature
São Sebastião do Maranhão, Brazil
The warmest month (with the highest average high temperature) is October (27.3°C).
The month with the lowest average high temperature is June (22.7°C).
The month with the highest average low temperature is December (18°C).
The coldest month (with the lowest average low temperature) is July (12.6°C).
Average pressure
São Sebastião do Maranhão, Brazil
- Average pressure in January:
1014mbar - Average pressure in February:
1014.1mbar - Average pressure in March:
1014mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1017.6mbar - Average pressure in June:
1019.8mbar
- Average pressure in July:
1020.6mbar - Average pressure in August:
1019.8mbar - Average pressure in September:
1017.7mbar - Average pressure in October:
1014.8mbar - Average pressure in November:
1013.2mbar - Average pressure in December:
1013mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is December (1013mbar).
Average wind speed
São Sebastião do Maranhão, Brazil
- Average wind speed in January:
6.7km/h - Average wind speed in February:
6.2km/h - Average wind speed in March:
5.9km/h - Average wind speed in April:
6.1km/h - Average wind speed in May:
5.9km/h - Average wind speed in June:
6.3km/h
- Average wind speed in July:
6.9km/h - Average wind speed in August:
7.5km/h - Average wind speed in September:
8km/h - Average wind speed in October:
8km/h - Average wind speed in November:
7.4km/h - Average wind speed in December:
6.6km/h
The windiest months (with the highest average wind speed) are September and October (8km/h).
The calmest months (with the lowest average wind speed) are March and May (5.9km/h).
Average humidity
São Sebastião do Maranhão, Brazil
The months with the highest relative humidity are March and April (89%).
The month with the lowest relative humidity is September (70%).
Average rainfall
São Sebastião do Maranhão, Brazil
- Average rainfall in January:
152mm - Average rainfall in February:
140mm - Average rainfall in March:
166mm - Average rainfall in April:
65mm - Average rainfall in May:
31mm - Average rainfall in June:
9mm
The wettest month (with the highest rainfall) is December (211mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days
São Sebastião do Maranhão, Brazil
- Average rainfall days in January:
23.7 days - Average rainfall days in February:
22.2 days - Average rainfall days in March:
25.2 days - Average rainfall days in April:
19.3 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
7.8 days
- Average rainfall days in July:
5.7 days - Average rainfall days in August:
7.5 days - Average rainfall days in September:
8.4 days - Average rainfall days in October:
18 days - Average rainfall days in November:
23.9 days - Average rainfall days in December:
26.8 days
The month with the highest number of rainy days is December (26.8 days).
The month with the least rainy days is July (5.7 days).
Average daylight / Average sunshine
São Sebastião do Maranhão, Brazil
- Average daylight in January:
13h and 1min - Average daylight in February:
12h and 4min - Average daylight in March:
12h and 1min - Average daylight in April:
11h and 4min - Average daylight in May:
11h and 2min - Average daylight in June:
11h and 1min
- Average daylight in July:
11h and 1min - Average daylight in August:
11h and 3min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 3min - Average daylight in November:
13h and 0min - Average daylight in December:
13h and 1min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in January:
7h and 1min - Average sunshine in February:
7h and 3min - Average sunshine in March:
6h and 5min - Average sunshine in April:
6h and 2min - Average sunshine in May:
6h and 5min - Average sunshine in June:
7h and 2min
- Average sunshine in July:
7h and 4min - Average sunshine in August:
7h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 1min - Average sunshine in December:
6h and 5min
The month with the most sunshine is September (Average sunshine: 8h and 36min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days
São Sebastião do Maranhão, Brazil
- Average sunshine days in January:
5.6 days - Average sunshine days in February:
4.5 days - Average sunshine days in March:
4.1 days - Average sunshine days in April:
8 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
20.7 days
- Average sunshine days in July:
23 days - Average sunshine days in August:
21.2 days - Average sunshine days in September:
20 days - Average sunshine days in October:
10.4 days - Average sunshine days in November:
4.9 days - Average sunshine days in December:
2.8 days
The month with the most sunshine days is July (23 days).
The month with the least sunshine days is December (2.8 days).
Average UV index
São Sebastião do Maranhão, Brazil
The months with the highest UV index are January and September (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, October, November and December (UV index 5).
Average cloud cover
São Sebastião do Maranhão, Brazil
The month with the most cloud cover is April (Cloud cover 68).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility
São Sebastião do Maranhão, Brazil
The month with the highest visibility is September (9km).
The months with the lowest visibility are January, February, March, April, May and June (6km).
