Annual mean 21°C · wettest around January · prevailing wind E
Warmest
25.4 °C
Coldest
19.2 °C
Wettest
96%
Windiest
4.4 m/s
Prevailing
E
2.1 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in São Sebastião do Maranhão over the whole year is 21°C. January is the hottest month, with highs of about 26°C; July is the coldest, with lows of about 14°C. The rainy (wet) season in São Sebastião do Maranhão runs from August to April, peaking in January with a 71% chance of rain on a given day. The dry season is May to July; July is the driest month, at 23%. Winds in São Sebastião do Maranhão are highest in October, averaging 2.3 m/s (8 km/h), and lightest in May, at 1.2 m/s (4 km/h). The prevailing wind is from the E. The clearest skies in São Sebastião do Maranhão come in September, when the sky is typically 41% covered; November is the cloudiest month, at 77%.
Month by month São Sebastião do Maranhão climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
26°C
20°C
26°C
71%
58%
1.7 m/s
55
54
20
February
25°C
19°C
26°C
63%
66%
1.4 m/s
56
54
21
March
26°C
19°C
26°C
56%
48%
1.4 m/s
58
55
23
April
24°C
19°C
25°C
59%
53%
1.3 m/s
67
44
35
May
22°C
16°C
23°C
44%
45%
1.2 m/s
79
29
53
June
22°C
15°C
20°C
31%
45%
1.3 m/s
82
20
63
July
21°C
14°C
19°C
23%
44%
1.4 m/s
77
13
71
August
22°C
15°C
20°C
49%
41%
1.8 m/s
78
19
64
September
25°C
17°C
23°C
49%
41%
2.0 m/s
77
35
48
October
25°C
19°C
25°C
52%
60%
2.3 m/s
67
47
33
November
24°C
19°C
25°C
68%
77%
1.7 m/s
66
45
32
December
25°C
20°C
26°C
61%
69%
1.6 m/s
59
51
23
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short São Sebastião do Maranhão weather by season
Year round, São Sebastião do Maranhão has days of about 21°C at their warmest in July, its coolest month, and 26°C in January, its warmest; the coolest hours of the day run from 14°C to 20°C through the year, and the average temperature over the year is 21°C around the clock. Rain is most likely around January and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
São Sebastião do Maranhão weather in winterJune to August
High 22°CLow 14°CRain 34%
Winter in São Sebastião do Maranhão has typical daily highs of about 22°C and lows of about 14°C, with a 34% chance of rain on a given day.
São Sebastião do Maranhão weather in springSeptember to November
High 24°CLow 18°CRain 56%
Spring in São Sebastião do Maranhão has typical daily highs of about 24°C and lows of about 18°C, with a 56% chance of rain on a given day.
São Sebastião do Maranhão weather in summerDecember to February
High 25°CLow 20°CRain 65%
Summer in São Sebastião do Maranhão has typical daily highs of about 25°C and lows of about 20°C, with a 65% chance of rain on a given day.
São Sebastião do Maranhão weather in autumnMarch to May
High 24°CLow 18°CRain 53%
Autumn in São Sebastião do Maranhão has typical daily highs of about 24°C and lows of about 18°C, with a 53% chance of rain on a given day.
When is the rainy season in São Sebastião do Maranhão?
The rainy (wet) season in São Sebastião do Maranhão runs from August to April, peaking in January with a 71% chance of rain on a given day. The dry season is May to July; July is the driest month, at 23%.
What time of year is São Sebastião do Maranhão windiest?
Winds in São Sebastião do Maranhão are highest in October, averaging 2.3 m/s (8 km/h), and lightest in May, at 1.2 m/s (4 km/h). The prevailing wind is from the E.
What is the average temperature in São Sebastião do Maranhão year round?
The average temperature in São Sebastião do Maranhão over the whole year is 21°C. January is the hottest month, with highs of about 26°C; July is the coldest, with lows of about 14°C.