, with a cool, dry season from mid-May to mid-August and a hot, rainy season from November to March.
The city is located in southern Brazil, in the state of São Paulo, at 660 meters (2,165 feet) above sea level.
From mid-May to mid-August, the dry period, is the winter of the southern hemisphere. During this period, there can sometimes be outbursts of cold air from the south, and the night temperature can drop to about 5 °C (41 °F) or even below. In July 1975 the temperature dropped to 0 °C (32 °F), while in June 1994 it dropped to 1.5 °C (34.5 °F).
From mid-August to October, in spring, the temperature rises and there can be very hot periods, however, sometimes cool, winter-like weather can return. The rains become more frequent, although they are not yet as frequent as in the summer.
The best time to visit Campinas is from mid-May to mid-August, being the coolest and driest of the year. It must be said that at night it can be a bit cold, so you can choose the month of April, when temperatures are higher, although the rains are more abundant. In September, temperatures are similar to those of April, but it is more likely to be very hot.
. Here are the average temperatures.
January is generally a warm to hot, muggy month. The average temperature is of
24.6 °C, with a minimum of
19.9 °C and a maximum of
29.4 °C.

On the coldest nights of the month, the temperature usually drops to around
16.5 °C.

On the warmest days of the month, the temperature usually reaches around
33.5 °C.

Precipitation amounts to
265 mm, distributed over 20 days.
The day lasts on average 13 hours and 25 minutes.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is of
14.2 kph.
February, the warmest month of the year, is generally a warm to hot, muggy month. The average temperature is of
24.8 °C, with a minimum of
19.9 °C and a maximum of
29.8 °C.

On the coldest nights of the month, the temperature usually drops to around
16.5 °C.

On the warmest days of the month, the temperature usually reaches around
33.5 °C.

Precipitation amounts to
190 mm, distributed over 16 days.
The day lasts on average 12 hours and 50 minutes.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
13.6 kph.
March is generally a warm to hot, muggy month. The average temperature is of
24.3 °C, with a minimum of
19.3 °C and a maximum of
29.2 °C.

On the coldest nights of the month, the temperature usually drops to around
16.5 °C.

On the warmest days of the month, the temperature usually reaches around
33 °C.

Precipitation amounts to
160 mm, distributed over 14 days.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
14.4 kph.
April is generally a warm to hot, muggy month. The average temperature is of
22.8 °C, with a minimum of
17.6 °C and a maximum of
28 °C.

On the coldest nights of the month, the temperature usually drops to around
13 °C.

On the warmest days of the month, the temperature usually reaches around
31.5 °C.

Precipitation amounts to
65 mm, distributed over 8 days.
The day lasts on average 11 hours and 30 minutes.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
14.7 kph.
May is generally a warm month. The average temperature is of
19.8 °C, with a minimum of
14.7 °C and a maximum of
25 °C.

On the coldest nights of the month, the temperature usually drops to around
10 °C.

On the warmest days of the month, the temperature usually reaches around
29.5 °C.

Precipitation amounts to
60 mm, distributed over 6 days.
The day lasts on average 11 hours and 0 minutes.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
14.5 kph.
June is generally a warm month. The average temperature is of
19 °C, with a minimum of
13.6 °C and a maximum of
24.5 °C.

On the coldest nights of the month, the temperature usually drops to around
8.5 °C.

On the warmest days of the month, the temperature usually reaches around
28.5 °C.

Precipitation amounts to
50 mm, distributed over 6 days.
The day lasts on average 10 hours and 40 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is of
14 kph.
July, the coldest month of the year, is generally a warm month. The average temperature is of
18.9 °C, with a minimum of
13 °C and a maximum of
24.7 °C.

On the coldest nights of the month, the temperature usually drops to around
7.5 °C.

On the warmest days of the month, the temperature usually reaches around
29 °C.

Precipitation amounts to
35 mm, distributed over 4 days.
The day lasts on average 10 hours and 55 minutes.
The average humidity is 67%.
The average wind speed is of
15.2 kph.
August is generally a warm month. The average temperature is of
20.2 °C, with a minimum of
13.9 °C and a maximum of
26.5 °C.

On the coldest nights of the month, the temperature usually drops to around
9 °C.

On the warmest days of the month, the temperature usually reaches around
32 °C.

Precipitation amounts to
25 mm, distributed over 4 days.
The day lasts on average 11 hours and 25 minutes.
The average humidity is 62%.
The average wind speed is of
16.6 kph.
September is generally a warm month. The average temperature is of
21.8 °C, with a minimum of
15.8 °C and a maximum of
27.8 °C.

On the coldest nights of the month, the temperature usually drops to around
11 °C.

On the warmest days of the month, the temperature usually reaches around
34 °C.

Precipitation amounts to
60 mm, distributed over 8 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 64%.
The average wind speed is of
18.1 kph.
October is generally a warm to hot month. The average temperature is of
23.2 °C, with a minimum of
17.5 °C and a maximum of
28.9 °C.

On the coldest nights of the month, the temperature usually drops to around
13 °C.

On the warmest days of the month, the temperature usually reaches around
34.5 °C.

Precipitation amounts to
110 mm, distributed over 12 days.
The day lasts on average 12 hours and 40 minutes.
The average humidity is 68%.
The average wind speed is of
17.8 kph.
November is generally a warm to hot, muggy month. The average temperature is of
23.5 °C, with a minimum of
18 °C and a maximum of
28.9 °C.

On the coldest nights of the month, the temperature usually drops to around
14 °C.

On the warmest days of the month, the temperature usually reaches around
34 °C.

Precipitation amounts to
155 mm, distributed over 13 days.
The day lasts on average 13 hours and 10 minutes.
The average humidity is 70%. Hence, the air is normally humid.
The average wind speed is of
17.5 kph.
December is generally a warm to hot, muggy month. The average temperature is of
24.5 °C, with a minimum of
19.3 °C and a maximum of
29.6 °C.

On the coldest nights of the month, the temperature usually drops to around
16 °C.

On the warmest days of the month, the temperature usually reaches around
33.5 °C.

Precipitation amounts to
205 mm, distributed over 16 days.
The day lasts on average 13 hours and 30 minutes. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
15.4 kph.