Annual mean 23°C · wettest around May · prevailing wind SE
Warmest
27.3 °C
Coldest
21.1 °C
Wettest
92%
Windiest
3.5 m/s
Prevailing
SE
2.5 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 João over the whole year is 23°C. February is the hottest month, with highs of about 28°C; August is the coldest, with lows of about 18°C. The rainy (wet) season in São João runs from March to September, peaking in May with a 63% chance of rain on a given day. The dry season is October to November; October is the driest month, at 26%. Winds in São João are highest in October, averaging 2.6 m/s (9 km/h), and lightest in May, at 1.7 m/s (6 km/h). The prevailing wind is from the SE. The clearest skies in São João come in November, when the sky is typically 54% covered; July is the cloudiest month, at 73%.
Month by month São João 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
27°C
21°C
28°C
56%
60%
2.1 m/s
47
63
13
February
28°C
21°C
28°C
39%
56%
2.0 m/s
40
65
11
March
27°C
21°C
29°C
61%
61%
1.8 m/s
37
66
9
April
26°C
21°C
28°C
57%
61%
1.8 m/s
46
59
14
May
24°C
20°C
26°C
63%
70%
1.7 m/s
58
54
21
June
23°C
19°C
24°C
59%
72%
1.8 m/s
71
37
37
July
22°C
18°C
23°C
62%
73%
1.7 m/s
75
28
46
August
22°C
18°C
23°C
61%
70%
1.9 m/s
76
30
45
September
24°C
18°C
24°C
45%
62%
2.2 m/s
73
40
39
October
25°C
19°C
26°C
26%
55%
2.6 m/s
63
55
27
November
27°C
20°C
27°C
40%
54%
2.6 m/s
54
60
19
December
27°C
21°C
27°C
50%
55%
2.6 m/s
49
62
16
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 João weather by season
Year round, São João has days of about 22°C at their warmest in July, its coolest month, and 28°C in February, its warmest; the coolest hours of the day run from 18°C to 21°C through the year, and the average temperature over the year is 23°C around the clock. Rain is most likely around May and least likely around October. 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 João weather in winterJune to August
High 22°CLow 18°CRain 61%
Winter in São João has typical daily highs of about 22°C and lows of about 18°C, with a 61% chance of rain on a given day.
São João weather in springSeptember to November
High 25°CLow 19°CRain 37%
Spring in São João has typical daily highs of about 25°C and lows of about 19°C, with a 37% chance of rain on a given day.
São João weather in summerDecember to February
High 27°CLow 21°CRain 48%
Summer in São João has typical daily highs of about 27°C and lows of about 21°C, with a 48% chance of rain on a given day.
São João weather in autumnMarch to May
High 26°CLow 21°CRain 60%
Autumn in São João has typical daily highs of about 26°C and lows of about 21°C, with a 60% chance of rain on a given day.
When is the rainy season in São João?
The rainy (wet) season in São João runs from March to September, peaking in May with a 63% chance of rain on a given day. The dry season is October to November; October is the driest month, at 26%.
What time of year is São João windiest?
Winds in São João are highest in October, averaging 2.6 m/s (9 km/h), and lightest in May, at 1.7 m/s (6 km/h). The prevailing wind is from the SE.
What is the average temperature in São João year round?
The average temperature in São João over the whole year is 23°C. February is the hottest month, with highs of about 28°C; August is the coldest, with lows of about 18°C.