Climate and monthly weather forecastSão Mateus do Maranhão, Brazil
Climate and monthly weather forecast
Weather in January
January, like December, is another hot summer month in São Mateus do Maranhão, Brazil, with an average temperature varying between 31.1°C (88°F) and 22.3°C (72.1°F). With the onset of January, the average high-temperature stands at a still hot 31.1°C (88°F), closely aligned with December's 33.1°C (91.6°F). Weather in January »Weather in February
February, the last month of the summer in São Mateus do Maranhão, is another hot month, with an average temperature ranging between min 22.3°C (72.1°F) and max 30.5°C (86.9°F). As January transitions into February, the average high-temperature rests at a still tropical 30.5°C (86.9°F), maintaining a close resemblance to the previous month. Weather in February »Weather in March
The first month of the autumn, March, is still a hot month in São Mateus do Maranhão, Brazil, with an average temperature fluctuating between 30.3°C (86.5°F) and 22.4°C (72.3°F). The advent of March observes an average high-temperature of a still hot 30.3°C (86.5°F), nearly identical to February's 30.5°C (86.9°F). Weather in March »Weather in April
April, like March, in São Mateus do Maranhão, Brazil, is a moderately hot autumn month, with an average temperature varying between 29.9°C (85.8°F) and 22.3°C (72.1°F). April, with its average high-temperature of 29.9°C (85.8°F) and an average low-temperature of 22.3°C (72.1°F), holds the record as the coldest month. The heat index in April is appraised at an extremely hot 41°C (105.8°F). Weather in April »Weather in May
May, the last month of the autumn in São Mateus do Maranhão, is a hot month, with an average temperature ranging between min 22.3°C (72.1°F) and max 30.2°C (86.4°F). As April transitions into May, São Mateus do Maranhão records an average high-temperature of a tropical 30.2°C (86.4°F), showing a gentle shift from the preceding month. Weather in May »Weather in June
June, the first month of the winter in São Mateus do Maranhão, is also a hot month, with an average temperature varying between 30.3°C (86.5°F) and 21.2°C (70.2°F). With June's advent, São Mateus do Maranhão, Brazil, sees an average high-temperature of a still tropical 30.3°C (86.5°F), subtly shifted from May's 30.2°C (86.4°F). Weather in June »Weather in July
July, the same as June, in São Mateus do Maranhão, Brazil, is another hot winter month, with an average temperature varying between 31.3°C (88.3°F) and 20.7°C (69.3°F). São Mateus do Maranhão records a slight change with July's average high-temperatures adjusting to a still tropical 31.3°C (88.3°F) from June's 30.3°C (86.5°F). Weather in July »Weather in August
August, the last month of the winter in São Mateus do Maranhão, is also a hot month, with temperature in the range of an average low of 21.1°C (70°F) and an average high of 33.9°C (93°F). São Mateus do Maranhão's shift from July to August is accompanied by an average high-temperature of a still hot 33.9°C (93°F), a slight deviation from 31.3°C (88.3°F). Weather in August »Weather in September
September, the first month of the spring in São Mateus do Maranhão, is a very hot month, with temperature in the range of an average high of 35.5°C (95.9°F) and an average low of 22°C (71.6°F). The beginning of September reveals an average high-temperature of a very hot 35.5°C (95.9°F), showing minimal deviation from the previous month. Weather in September »Weather in October
October, the same as September, is another torrid spring month in São Mateus do Maranhão, Brazil, with an average temperature fluctuating between 23.3°C (73.9°F) and 36°C (96.8°F). The warmest period is October, when temperatures fluctuate between an average high of 36°C (96.8°F) and a low of 23.3°C (73.9°F). The heat index value during October is appraised at a burning hot 50°C (122°F). Weather in October »Weather in November
The last month of the spring, November, is also a fiery hot month in São Mateus do Maranhão, Brazil, with temperature in the range of an average high of 35°C (95°F) and an average low of 23.3°C (73.9°F). São Mateus do Maranhão's shift into November sets the average high-temperature at a still very hot 35°C (95°F), a figure that deviates only slightly from October's 36°C (96.8°F). Weather in November »Weather in December
The first month of the summer, December, is also a hot month in São Mateus do Maranhão, Brazil, with an average temperature fluctuating between 33.1°C (91.6°F) and 23°C (73.4°F). The average high-temperature is a hot 33.1°C (91.6°F) in December, hardly different from the 35°C (95°F) recorded in November. 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
In São Mateus do Maranhão, during the entire year, the rain falls for 247.2 days and collects up to 1281mm (50.43") of precipitation.
The months with the highest UV index in São Mateus do Maranhão are January, July through November, with an average maximum UV index of 7.
February through June and December, with an average maximum UV index of 6, are months with the lowest UV index.
March is the month with the most rainfall in São Mateus do Maranhão. Rain falls for 30.3 days and accumulates 235mm (9.25") of precipitation.
In São Mateus do Maranhão, Brazil, the average lowest temperatures are observed in April, with a high of 29.9°C (85.8°F) and a low of 22.3°C (72.1°F).
With an average relative humidity of 91%, April is the most humid month.
With an average of 5.6h of sunshine, April has the least sunshine of the year.
June has the shortest days of the year, with an average of 11h and 54min of daylight.
With an average relative humidity of 62%, September is the least humid month in São Mateus do Maranhão.
September is the month with the least rainfall in São Mateus do Maranhão. Rain falls for 10.4 days and accumulates 12mm (0.47") of precipitation.
With an average of 8.7h of sunshine, September has the most sunshine of the year.
October, on average, is the warmest month in São Mateus do Maranhão, Brazil, registering a high temperature of 36°C (96.8°F) and a low of 23.3°C (73.9°F).
The month with the longest days is December, with an average of 12h and 24min of daylight.
São Mateus do Maranhão does not utilize Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average temperature
São Mateus do Maranhão, Brazil
The warmest month (with the highest average high temperature) is October (36°C).
The month with the lowest average high temperature is April (29.9°C).
The months with the highest average low temperature are October and November (23.3°C).
The coldest month (with the lowest average low temperature) is July (20.7°C).
Average pressure
São Mateus do Maranhão, Brazil
- Average pressure in January:
1010.6mbar - Average pressure in February:
1010.3mbar - Average pressure in March:
1010.6mbar - Average pressure in April:
1010.9mbar - Average pressure in May:
1011.6mbar - Average pressure in June:
1012.8mbar
- Average pressure in July:
1013mbar - Average pressure in August:
1012.5mbar - Average pressure in September:
1011.4mbar - Average pressure in October:
1009.8mbar - Average pressure in November:
1009mbar - Average pressure in December:
1009.6mbar
The month with the highest atmospheric pressure is July (1013mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed
São Mateus do Maranhão, Brazil
- Average wind speed in January:
6.1km/h - Average wind speed in February:
5.7km/h - Average wind speed in March:
5.4km/h - Average wind speed in April:
4.9km/h - Average wind speed in May:
5.1km/h - Average wind speed in June:
6km/h
- Average wind speed in July:
6.5km/h - Average wind speed in August:
7.1km/h - Average wind speed in September:
8.1km/h - Average wind speed in October:
8.4km/h - Average wind speed in November:
7.8km/h - Average wind speed in December:
7.3km/h
The windiest month (with the highest average wind speed) is October (8.4km/h).
The calmest month (with the lowest average wind speed) is April (4.9km/h).
Average humidity
São Mateus do Maranhão, Brazil
The month with the highest relative humidity is April (91%).
The month with the lowest relative humidity is September (62%).
Average rainfall
São Mateus do Maranhão, Brazil
- Average rainfall in January:
186mm - Average rainfall in February:
201mm - Average rainfall in March:
235mm - Average rainfall in April:
225mm - Average rainfall in May:
122mm - Average rainfall in June:
44mm
The wettest month (with the highest rainfall) is March (235mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days
São Mateus do Maranhão, Brazil
- Average rainfall days in January:
28.7 days - Average rainfall days in February:
26.4 days - Average rainfall days in March:
30.3 days - Average rainfall days in April:
28.7 days - Average rainfall days in May:
26.2 days - Average rainfall days in June:
19.2 days
- Average rainfall days in July:
14.2 days - Average rainfall days in August:
8.8 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
17.7 days - Average rainfall days in December:
23.1 days
The month with the highest number of rainy days is March (30.3 days).
The month with the least rainy days is August (8.8 days).
Average daylight / Average sunshine
São Mateus do Maranhão, Brazil
- Average daylight in January:
12h and 18min - Average daylight in February:
12h and 12min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 0min - Average daylight in May:
11h and 54min - Average daylight in June:
11h and 54min
- Average daylight in July:
11h and 54min - Average daylight in August:
12h and 0min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 12min - Average daylight in November:
12h and 18min - Average daylight in December:
12h and 24min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in January:
7h and 18min - Average sunshine in February:
7h and 0min - Average sunshine in March:
6h and 18min - Average sunshine in April:
5h and 36min - Average sunshine in May:
6h and 12min - Average sunshine in June:
7h and 0min
- Average sunshine in July:
7h and 36min - Average sunshine in August:
8h and 30min - Average sunshine in September:
8h and 42min - Average sunshine in October:
8h and 24min - Average sunshine in November:
7h and 42min - Average sunshine in December:
8h and 0min
The month with the most sunshine is September (Average sunshine: 8h and 42min).
The month with the least sunshine is April (Average sunshine: 5h and 36min).
Average sunshine days
São Mateus do Maranhão, Brazil
- Average sunshine days in January:
1.8 days - Average sunshine days in February:
1.2 days - Average sunshine days in March:
0.4 days - Average sunshine days in April:
0.6 days - Average sunshine days in May:
3.3 days - Average sunshine days in June:
8.4 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
20.6 days - Average sunshine days in September:
17.8 days - Average sunshine days in October:
15.6 days - Average sunshine days in November:
11.2 days - Average sunshine days in December:
5.6 days
The month with the most sunshine days is August (20.6 days).
The month with the least sunshine days is March (0.4 days).
Average UV index
São Mateus do Maranhão, Brazil
The months with the highest UV index are January, July, August, September, October and November (UV index 7).
The months with the lowest UV index are February, March, April, May, June and December (UV index 6).
Average cloud cover
São Mateus do Maranhão, Brazil
The month with the most cloud cover is March (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
São Mateus do Maranhão, Brazil
The month with the highest visibility is October (10km).
The months with the lowest visibility are February, March and April (6km).
