Annual mean 21°C · wettest around March · prevailing wind N
Warmest
27.8 °C
Coldest
22.0 °C
Wettest
100%
Windiest
2.8 m/s
Prevailing
N
2.4 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 da Boa Vista over the whole year is 21°C. March is the hottest month, with highs of about 27°C; July is the coldest, with lows of about 11°C. The rainy (wet) season in São João da Boa Vista runs from October to March, peaking in March with a 78% chance of rain on a given day. The dry season is June to September; September is the driest month, at 42%. Winds in São João da Boa Vista are highest in September, averaging 1.7 m/s (6 km/h), and lightest in May, at 1.2 m/s (4 km/h). The prevailing wind is from the N. The clearest skies in São João da Boa Vista come in July, when the sky is typically 35% covered; January is the cloudiest month, at 67%.
Month by month São João da Boa Vista 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
20°C
28°C
77%
67%
1.5 m/s
38
67
11
February
27°C
19°C
28°C
66%
64%
1.4 m/s
37
71
9
March
27°C
19°C
29°C
78%
56%
1.4 m/s
35
73
7
April
26°C
17°C
27°C
58%
49%
1.3 m/s
59
64
19
May
24°C
13°C
24°C
69%
50%
1.2 m/s
77
41
42
June
23°C
12°C
22°C
50%
46%
1.3 m/s
85
25
55
July
23°C
11°C
21°C
45%
35%
1.4 m/s
84
21
61
August
24°C
13°C
23°C
58%
48%
1.5 m/s
78
34
49
September
27°C
16°C
26°C
42%
42%
1.7 m/s
61
58
24
October
27°C
19°C
27°C
60%
61%
1.7 m/s
49
64
16
November
26°C
19°C
27°C
73%
63%
1.7 m/s
54
61
19
December
27°C
20°C
28°C
72%
66%
1.5 m/s
41
68
10
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 da Boa Vista weather by season
Year round, São João da Boa Vista has days of about 23°C at their warmest in June, its coolest month, and 27°C in March, its warmest; the coolest hours of the day run from 11°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 March 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 João da Boa Vista weather in winterJune to August
High 23°CLow 12°CRain 51%
Winter in São João da Boa Vista has typical daily highs of about 23°C and lows of about 12°C, with a 51% chance of rain on a given day.
São João da Boa Vista weather in springSeptember to November
High 27°CLow 18°CRain 58%
Spring in São João da Boa Vista has typical daily highs of about 27°C and lows of about 18°C, with a 58% chance of rain on a given day.
São João da Boa Vista weather in summerDecember to February
High 27°CLow 20°CRain 71%
Summer in São João da Boa Vista has typical daily highs of about 27°C and lows of about 20°C, with a 71% chance of rain on a given day.
São João da Boa Vista weather in autumnMarch to May
High 26°CLow 16°CRain 68%
Autumn in São João da Boa Vista has typical daily highs of about 26°C and lows of about 16°C, with a 68% chance of rain on a given day.
When is the rainy season in São João da Boa Vista?
The rainy (wet) season in São João da Boa Vista runs from October to March, peaking in March with a 78% chance of rain on a given day. The dry season is June to September; September is the driest month, at 42%.
What time of year is São João da Boa Vista windiest?
Winds in São João da Boa Vista are highest in September, averaging 1.7 m/s (6 km/h), and lightest in May, at 1.2 m/s (4 km/h). The prevailing wind is from the N.
What is the average temperature in São João da Boa Vista year round?
The average temperature in São João da Boa Vista over the whole year is 21°C. March is the hottest month, with highs of about 27°C; July is the coldest, with lows of about 11°C.