Annual mean 17°C · wettest around October · prevailing wind NW
Warmest
25.5 °C
Coldest
14.4 °C
Wettest
92%
Windiest
3.7 m/s
Prevailing
NW
3.3 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Marcos over the whole year is 17°C. January is the hottest month, with highs of about 25°C; July is the coldest, with lows of about 10°C. São Marcos has no sharply defined rainy season: the chance of rain on a given day runs from 49% in November, the driest month, to 69% in October, the wettest. Winds in São Marcos are highest in September, averaging 3.1 m/s (11 km/h), and lightest in May, at 2.7 m/s (10 km/h). The prevailing wind is from the NW. The clearest skies in São Marcos come in January, when the sky is typically 55% covered; September is the cloudiest month, at 70%.
Month by month São Marcos 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
25°C
19°C
26°C
62%
55%
3.0 m/s
63
50
28
February
25°C
19°C
25°C
55%
56%
2.8 m/s
62
49
31
March
23°C
18°C
24°C
53%
64%
2.8 m/s
71
38
42
April
21°C
15°C
20°C
50%
65%
2.8 m/s
75
16
66
May
17°C
12°C
15°C
56%
65%
2.7 m/s
55
4
76
June
15°C
11°C
13°C
57%
68%
2.9 m/s
41
2
72
July
15°C
10°C
13°C
51%
63%
3.0 m/s
41
1
70
August
17°C
11°C
14°C
55%
58%
3.0 m/s
48
4
71
September
19°C
13°C
17°C
63%
70%
3.1 m/s
62
10
71
October
20°C
14°C
18°C
69%
62%
3.1 m/s
69
11
71
November
22°C
16°C
21°C
49%
61%
3.0 m/s
77
24
57
December
24°C
18°C
24°C
57%
59%
3.0 m/s
67
42
38
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 Marcos weather by season
Year round, São Marcos has days of about 15°C at their warmest in June, its coolest month, and 25°C in January, its warmest; the coolest hours of the day run from 10°C to 19°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around October and least likely around November. 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 Marcos weather in winterJune to August
High 16°CLow 11°CRain 54%
Winter in São Marcos has typical daily highs of about 16°C and lows of about 11°C, with a 54% chance of rain on a given day.
São Marcos weather in springSeptember to November
High 20°CLow 15°CRain 60%
Spring in São Marcos has typical daily highs of about 20°C and lows of about 15°C, with a 60% chance of rain on a given day.
São Marcos weather in summerDecember to February
High 25°CLow 19°CRain 58%
Summer in São Marcos has typical daily highs of about 25°C and lows of about 19°C, with a 58% chance of rain on a given day.
São Marcos weather in autumnMarch to May
High 20°CLow 15°CRain 53%
Autumn in São Marcos has typical daily highs of about 20°C and lows of about 15°C, with a 53% chance of rain on a given day.
When is the rainy season in São Marcos?
São Marcos has no sharply defined rainy season: the chance of rain on a given day runs from 49% in November, the driest month, to 69% in October, the wettest.
What time of year is São Marcos windiest?
Winds in São Marcos are highest in September, averaging 3.1 m/s (11 km/h), and lightest in May, at 2.7 m/s (10 km/h). The prevailing wind is from the NW.
What is the average temperature in São Marcos year round?
The average temperature in São Marcos over the whole year is 17°C. January is the hottest month, with highs of about 25°C; July is the coldest, with lows of about 10°C.