Annual mean 28°C · wettest around February · prevailing wind E
Warmest
32.5 °C
Coldest
28.8 °C
Wettest
97%
Windiest
2.6 m/s
Prevailing
E
1.8 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
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 Altamira do Maranhão over the whole year is 28°C. September is the hottest month, with highs of about 32°C; July is the coldest, with lows of about 25°C. The rainy (wet) season in Altamira do Maranhão runs from December to May, peaking in February with a 85% chance of rain on a given day. The dry season is August; August is the driest month, at 50%. Winds in Altamira do Maranhão are highest in September, averaging 1.7 m/s (6 km/h), and lightest in May, at 0.7 m/s (3 km/h). The prevailing wind is from the E. The clearest skies in Altamira do Maranhão come in August, when the sky is typically 40% covered; March is the cloudiest month, at 81%.
Month by month Altamira 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
30°C
25°C
33°C
81%
74%
1.0 m/s
2
47
0
February
29°C
25°C
33°C
85%
79%
0.8 m/s
1
43
0
March
29°C
25°C
33°C
80%
81%
0.8 m/s
1
44
0
April
30°C
25°C
34°C
85%
73%
0.8 m/s
1
34
0
May
31°C
26°C
34°C
73%
63%
0.7 m/s
0
35
0
June
30°C
25°C
33°C
55%
53%
1.0 m/s
1
54
0
July
30°C
25°C
33°C
78%
47%
1.1 m/s
2
61
0
August
32°C
25°C
33°C
50%
40%
1.3 m/s
1
55
0
September
32°C
27°C
34°C
72%
45%
1.7 m/s
2
40
0
October
32°C
27°C
34°C
74%
53%
1.4 m/s
3
32
1
November
32°C
27°C
34°C
63%
61%
1.3 m/s
1
34
0
December
31°C
26°C
34°C
76%
70%
1.1 m/s
1
38
0
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 Altamira do Maranhão weather by season
Year round, Altamira do Maranhão has days of about 29°C at their warmest in March, its coolest month, and 32°C in September, its warmest; the coolest hours of the day run from 25°C to 27°C through the year, and the average temperature over the year is 28°C around the clock. Rain is most likely around February and least likely around August. 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.
Altamira do Maranhão weather in winterJune to August
High 31°CLow 25°CRain 61%
Winter in Altamira do Maranhão has typical daily highs of about 31°C and lows of about 25°C, with a 61% chance of rain on a given day.
Altamira do Maranhão weather in springSeptember to November
High 32°CLow 27°CRain 69%
Spring in Altamira do Maranhão has typical daily highs of about 32°C and lows of about 27°C, with a 69% chance of rain on a given day.
Altamira do Maranhão weather in summerDecember to February
High 30°CLow 25°CRain 81%
Summer in Altamira do Maranhão has typical daily highs of about 30°C and lows of about 25°C, with a 81% chance of rain on a given day.
Altamira do Maranhão weather in autumnMarch to May
High 30°CLow 25°CRain 79%
Autumn in Altamira do Maranhão has typical daily highs of about 30°C and lows of about 25°C, with a 79% chance of rain on a given day.
When is the rainy season in Altamira do Maranhão?
The rainy (wet) season in Altamira do Maranhão runs from December to May, peaking in February with a 85% chance of rain on a given day. The dry season is August; August is the driest month, at 50%.
What time of year is Altamira do Maranhão windiest?
Winds in Altamira do Maranhão are highest in September, averaging 1.7 m/s (6 km/h), and lightest in May, at 0.7 m/s (3 km/h). The prevailing wind is from the E.
What is the average temperature in Altamira do Maranhão year round?
The average temperature in Altamira do Maranhão over the whole year is 28°C. September is the hottest month, with highs of about 32°C; July is the coldest, with lows of about 25°C.