Weather and climate in Guaratinguetá (São Paulo)

The climate of Guaratinguetá is subtropical, 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, in the Paraíba valley, at almost 23 degrees south latitude and 550 meters (1,800 feet) above sea level.
From mid-May to mid-August 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.
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.

Best Time

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The best time to visit Guaratinguetá 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.

Guaratinguetá - Climate data

The average temperature of the coldest month (July) is of 19.0 °C (66.2 °F), that of the warmest month (February) is of 25.9 °C (78.6 °F). Here are the average temperatures.
Precipitation amounts to 1710 millimeters (67.3 inches) per year: it is therefore abundant. It ranges from 35 mm (1.4 in) in the driest month (June) to 305 mm (12 in) in the wettest one (January). Here is the average precipitation.

Guaratinguetá - Weather by month

Based on the period 1991-2020

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January is generally a warm to hot month. The average temperature is of 25.7 °C (78 °F), with a minimum of 20.7 °C (69.3 °F) and a maximum of 30.6 °C (87.1 °F).
On the coldest nights of the month, the temperature usually drops to around 18 °C (64 °F).
On the warmest days of the month, the temperature usually reaches around 35.5 °C (95.5 °F).
Precipitation amounts to 305 mm (12 in), distributed over 13 days.
The day lasts on average 13 hours and 20 minutes.
The average humidity is 67%.
The average wind speed is 6 kph (4 mph).

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February, the hottest month of the year, is generally a warm to hot month. The average temperature is of 25.9 °C (79 °F), with a minimum of 20.8 °C (69.4 °F) and a maximum of 31 °C (87.8 °F).
On the coldest nights of the month, the temperature usually drops to around 18.5 °C (65 °F).
On the warmest days of the month, the temperature usually reaches around 35 °C (95 °F).
Precipitation amounts to 215 mm (8.5 in), distributed over 11 days.
The day lasts on average 12 hours and 50 minutes.
The average humidity is 67%.
The average wind speed is 6 kph (4 mph).

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March is generally a warm to hot month. The average temperature is of 25.0 °C (77 °F), with a minimum of 20.4 °C (68.6 °F) and a maximum of 29.7 °C (85.4 °F).
On the coldest nights, the temperature usually drops to around 16.5 °C (61.5 °F).
On the warmest days, the temperature usually reaches around 34 °C (93.5 °F).
Precipitation amounts to 205 mm (8.1 in), distributed over 13 days.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 69%.
The average wind speed is 6 kph (4 mph).

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April is generally a warm to hot month. The average temperature is of 23.3 °C (74 °F), with a minimum of 18.6 °C (65.4 °F) and a maximum of 28 °C (82.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 14 °C (57 °F).
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 32.5 °C (90 °F).
Precipitation amounts to 90 mm (3.5 in), distributed over 6 days.
The day lasts on average 11 hours and 30 minutes.
The average humidity is 68%.
The average wind speed is 6 kph (3 mph).

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May is generally a warm month. The average temperature is of 20.6 °C (69 °F), with a minimum of 15.6 °C (60 °F) and a maximum of 25.7 °C (78.3 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 9.5 °C (49 °F).
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 30.5 °C (87 °F).
Precipitation amounts to 60 mm (2.4 in), distributed over 4 days.
The day lasts on average 11 hours and 0 minutes.
The average humidity is 67%.
The average wind speed is 5 kph (3 mph).

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June is generally a warm month. The average temperature is of 19.1 °C (66 °F), with a minimum of 13.4 °C (56.2 °F) and a maximum of 24.8 °C (76.7 °F).
On the coldest nights, the temperature usually drops to around 7 °C (44.5 °F).
On the warmest days, the temperature usually reaches around 30 °C (86.5 °F).
Precipitation amounts to 35 mm (1.4 in), distributed over 4 days.
The day lasts on average 10 hours and 50 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
The average humidity is 67%.
The average wind speed is 5 kph (3 mph).

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July, the coldest month of the year, is generally a warm month. The average temperature is of 19.0 °C (66 °F), with a minimum of 13 °C (55.3 °F) and a maximum of 25.1 °C (77.1 °F).
On the coldest nights of the month, the temperature usually drops to around 6.5 °C (44 °F).
On the warmest days of the month, the temperature usually reaches around 31 °C (87.5 °F).
Precipitation amounts to 40 mm (1.6 in), distributed over 3 days.
The day lasts on average 10 hours and 55 minutes.
The average humidity is 63%.
The average wind speed is 6 kph (4 mph).

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August is generally a warm month. The average temperature is of 20.2 °C (68 °F), with a minimum of 13.9 °C (57 °F) and a maximum of 26.4 °C (79.5 °F).
On the coldest nights of the month, the temperature usually drops to around 8 °C (46.5 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (91 °F).
Precipitation amounts to 40 mm (1.6 in), distributed over 3 days.
The day lasts on average 11 hours and 25 minutes.
The average humidity is 58%.
The average wind speed is 7 kph (5 mph).

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September is generally a warm month. The average temperature is of 22.1 °C (72 °F), with a minimum of 16.4 °C (61.6 °F) and a maximum of 27.8 °C (82.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 11.5 °C (52.5 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 35 °C (95 °F).
Precipitation amounts to 100 mm (3.9 in), distributed over 6 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 59%.
The average wind speed is 8 kph (5 mph).

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October is generally a warm to hot month. The average temperature is of 23.5 °C (74 °F), with a minimum of 18.4 °C (65.1 °F) and a maximum of 28.6 °C (83.4 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 13.5 °C (56 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 35.5 °C (96 °F).
Precipitation amounts to 155 mm (6.1 in), distributed over 10 days.
The day lasts on average 12 hours and 40 minutes.
The average humidity is 63%.
The average wind speed is 8 kph (5 mph).

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November is generally a warm to hot month. The average temperature is of 24.0 °C (75 °F), with a minimum of 19.3 °C (66.7 °F) and a maximum of 28.7 °C (83.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 15 °C (59.5 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 34.5 °C (94 °F).
Precipitation amounts to 215 mm (8.5 in), distributed over 12 days.
The day lasts on average 13 hours and 10 minutes.
The average humidity is 65%.
The average wind speed is 8 kph (5 mph).

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December is generally a warm to hot month. The average temperature is of 25.2 °C (77 °F), with a minimum of 20.3 °C (68.5 °F) and a maximum of 30.1 °C (86.2 °F).
On the coldest nights of the month, the temperature usually drops to around 16.5 °C (62 °F).
On the warmest days of the month, the temperature usually reaches around 35 °C (94.5 °F).
Precipitation amounts to 250 mm (9.8 in), distributed over 13 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 66%.
The average wind speed is 7 kph (4 mph).