Annual mean 24°C · wettest around November · prevailing wind E
Warmest
29.7 °C
Coldest
24.1 °C
Wettest
74%
Windiest
3.1 m/s
Prevailing
E
2.2 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 Mateus over the whole year is 24°C. February is the hottest month, with highs of about 29°C; July is the coldest, with lows of about 18°C. The rainy (wet) season in São Mateus runs from October to May, peaking in November with a 62% chance of rain on a given day. The dry season is September; September is the driest month, at 36%. Winds in São Mateus are highest in October, averaging 2.6 m/s (9 km/h), and lightest in May, at 1.8 m/s (6 km/h). The prevailing wind is from the E. The clearest skies in São Mateus come in March, when the sky is typically 51% covered; November is the cloudiest month, at 75%.
Month by month São Mateus 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
29°C
24°C
32°C
61%
66%
2.2 m/s
4
59
1
February
29°C
23°C
33°C
56%
64%
2.0 m/s
4
51
1
March
29°C
23°C
32°C
51%
51%
2.0 m/s
6
56
1
April
28°C
22°C
31°C
50%
59%
2.0 m/s
16
67
2
May
26°C
20°C
28°C
52%
54%
1.8 m/s
39
74
7
June
25°C
19°C
27°C
48%
57%
1.8 m/s
52
72
11
July
24°C
18°C
26°C
42%
53%
2.0 m/s
67
62
20
August
25°C
19°C
26°C
49%
60%
2.2 m/s
64
59
21
September
26°C
20°C
28°C
36%
62%
2.4 m/s
45
72
10
October
27°C
22°C
29°C
55%
69%
2.6 m/s
27
69
5
November
27°C
22°C
29°C
62%
75%
2.5 m/s
25
65
6
December
28°C
23°C
31°C
57%
69%
2.4 m/s
12
61
2
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 Mateus weather by season
Year round, São Mateus has days of about 24°C at their warmest in July, its coolest month, and 29°C in February, its warmest; the coolest hours of the day run from 18°C to 24°C through the year, and the average temperature over the year is 24°C around the clock. Rain is most likely around November and least likely around September. 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 Mateus weather in winterJune to August
High 25°CLow 19°CRain 46%
Winter in São Mateus has typical daily highs of about 25°C and lows of about 19°C, with a 46% chance of rain on a given day.
São Mateus weather in springSeptember to November
High 27°CLow 21°CRain 51%
Spring in São Mateus has typical daily highs of about 27°C and lows of about 21°C, with a 51% chance of rain on a given day.
São Mateus weather in summerDecember to February
High 29°CLow 23°CRain 58%
Summer in São Mateus has typical daily highs of about 29°C and lows of about 23°C, with a 58% chance of rain on a given day.
São Mateus weather in autumnMarch to May
High 28°CLow 22°CRain 51%
Autumn in São Mateus has typical daily highs of about 28°C and lows of about 22°C, with a 51% chance of rain on a given day.
When is the rainy season in São Mateus?
The rainy (wet) season in São Mateus runs from October to May, peaking in November with a 62% chance of rain on a given day. The dry season is September; September is the driest month, at 36%.
What time of year is São Mateus windiest?
Winds in São Mateus are highest in October, averaging 2.6 m/s (9 km/h), and lightest in May, at 1.8 m/s (6 km/h). The prevailing wind is from the E.
What is the average temperature in São Mateus year round?
The average temperature in São Mateus over the whole year is 24°C. February is the hottest month, with highs of about 29°C; July is the coldest, with lows of about 18°C.