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Average weather, temperature, rainfall, sunshine hours
The climate of Cuiabá is
tropical, with a rainy season from October to April and a dry season from May to September.
The city is the capital of the state of Mato Grosso and is located in the west of Brazil, at 15 degrees south latitude and at 165 meters (540 feet) above sea level.
The city is famous in Brazil for being
very hot. Indeed, it can be very hot all year round, but especially from mid-August to October, before the rainy period. In 2020, the temperature reached 43 °C (109.5 °F) between the end of September and the beginning of October.
From June to August, it would be
the austral winter, and in fact the night temperatures decrease a bit, but during the day it is hot. In addition, sometimes air masses coming from the Argentine pampas can bring cool periods that last a few days, in which the temperature can drop down to 10 °C (50 °F) or even below during the night, and down to 20 °C (68 °F) or even below during the day.
Furthermore, in the dry winter period, the city can be invaded by the smoke produced by fires in the nearby woods.
Best Time
The best time to visit Cuiabá is from May to mid-August, being the least hot within the dry season. From mid-August to the end of September it is still the dry season, but the probability that it gets very hot increases.
Cuiabá - Climate data
In Cuiabá, the
average temperature of the coldest month (July) is of
25.3 °C, that of the warmest month (October) is of
29.7 °C. Here are the average temperatures.
Cuiabá - Average temperatures (1991-2020) |
| Month | Min | Max | Mean |
|---|
| January | 23.8 | 32.9 | 28.3 |
|---|
| February | 23.7 | 32.9 | 28.3 |
|---|
| March | 23.8 | 33.2 | 28.5 |
|---|
| April | 23.1 | 33.1 | 28.1 |
|---|
| May | 20.8 | 31.8 | 26.3 |
|---|
| June | 19.4 | 31.9 | 25.6 |
|---|
| July | 18.3 | 32.4 | 25.3 |
|---|
| August | 20.1 | 34.8 | 27.4 |
|---|
| September | 22.7 | 36 | 29.3 |
|---|
| October | 23.9 | 35.4 | 29.7 |
|---|
| November | 23.9 | 34.1 | 29 |
|---|
| December | 23.9 | 33.2 | 28.6 |
|---|
| Year | 22.3 | 33.5 | 27.8 |
|---|
amounts to
1455 millimeters per year: it is therefore quite abundant. It ranges from
15 millimeters in the driest month (July) to
250 millimeters in the wettest one (January). Here is the average precipitation.
Cuiabá - Average precipitation| Month | Days |
|---|
| January | 250 | 17 |
|---|
| February | 220 | 14 |
|---|
| March | 220 | 15 |
|---|
| April | 120 | 10 |
|---|
| May | 50 | 4 |
|---|
| June | 20 | 1 |
|---|
| July | 15 | 1 |
|---|
| August | 20 | 2 |
|---|
| September | 50 | 4 |
|---|
| October | 115 | 8 |
|---|
| November | 175 | 11 |
|---|
| December | 205 | 15 |
|---|
| Year | 1455 | 102 |
|---|
There are on average around 2270
sunshine hours per year. Here are the average hours of sunshine per day.
Cuiabá - Sunshine hours| Month | Average | Total |
|---|
| January | 5 | 155 |
|---|
| February | 5.5 | 150 |
|---|
| March | 6 | 180 |
|---|
| April | 7 | 210 |
|---|
| May | 7 | 215 |
|---|
| June | 6.5 | 200 |
|---|
| July | 8 | 240 |
|---|
| August | 7.5 | 225 |
|---|
| September | 5.5 | 165 |
|---|
| October | 6 | 190 |
|---|
| November | 6 | 180 |
|---|
| December | 5 | 160 |
|---|
| Year | 6.2 | 2270 |
|---|
Cuiabá - Weather by month
Based on the period 1991-2020
January is generally a very hot, muggy month. The average temperature is of
28.3 °C, with a minimum of
23.8 °C and a maximum of
32.9 °C.
On the coldest nights of the month, the temperature usually drops to around
21.5 °C. However, it dropped to
18.4 °C in January 2012.
On the warmest days of the month, the temperature usually reaches around
36 °C. However, it reached
38.3 °C in January 2007.
Precipitation amounts to
250 mm, distributed over 17 days.
The day lasts on average 12 hours and 55 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
9.4 kph.
February is generally a very hot, muggy month. The average temperature is of 28.3 °C, with a minimum of 23.7 °C and a maximum of 32.9 °C.
On the coldest nights of the month, the temperature usually drops to around 21.5 °C. However, it dropped to 17.9 °C in February 2003.
On the warmest days of the month, the temperature usually reaches around 36 °C. However, it reached 40 °C in February 2001.
Precipitation amounts to 220 mm, distributed over 14 days.
The day lasts on average 12 hours and 35 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of 8.7 kph.
March is generally a very hot, muggy month. The average temperature is of 28.5 °C, with a minimum of 23.8 °C and a maximum of 33.2 °C.
On the coldest nights of the month, the temperature usually drops to around 21 °C. However, it dropped to 18.4 °C in March 2012.
On the warmest days of the month, the temperature usually reaches around 36 °C. However, it reached 39.4 °C in March 2007.
Precipitation amounts to 220 mm, distributed over 15 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of 7.8 kph.
April is generally a very hot, muggy month. The average temperature is of 28.1 °C, with a minimum of 23.1 °C and a maximum of 33.1 °C.
On the coldest nights of the month, the temperature usually drops to around 18.5 °C. However, it dropped to 13.6 °C in April 1999.
On the warmest days of the month, the temperature usually reaches around 36 °C. However, it reached 39.4 °C in April 2007.
Precipitation amounts to 120 mm, distributed over 10 days.
The day lasts on average 11 hours and 40 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of 6.9 kph.
May is generally a warm to hot month. The average temperature is of 26.3 °C, with a minimum of 20.8 °C and a maximum of 31.8 °C.
On the coldest nights of the month, the temperature usually drops to around 15.5 °C. However, it dropped to 10 °C in May 2010.
On the warmest days of the month, the temperature usually reaches around 35.5 °C. However, it reached 38.4 °C in May 2000.
Precipitation amounts to 50 mm, distributed over 4 days.
The day lasts on average 11 hours and 25 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 70%.
The average wind speed is of 7.4 kph.
June is generally a warm to hot month. The average temperature is of 25.6 °C, with a minimum of 19.4 °C and a maximum of 31.9 °C.
On the coldest nights of the month, the temperature usually drops to around 14 °C. However, it dropped to 7 °C in June 1994.
On the warmest days of the month, the temperature usually reaches around 35 °C. However, it reached 39 °C in June 2013.
Precipitation amounts to 20 mm, and all occurs in one day.
The day lasts on average 11 hours and 10 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 63%.
The average wind speed is of 7.6 kph.
July, the least warm month of the year, is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 25.3 °C, with a minimum of 18.3 °C and a maximum of 32.4 °C.
On the coldest nights of the month, the temperature usually drops to around 11.5 °C. However, it dropped to 5.6 °C in July 2013.
On the warmest days of the month, the temperature usually reaches around 36 °C. However, it reached 38.2 °C in July 2002.
Precipitation amounts to 15 mm, and all occurs in one day.
The day lasts on average 11 hours and 20 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 69% of the time.
The average humidity is 56%.
The average wind speed is of 7.9 kph.
August is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of 27.4 °C, with a minimum of 20.1 °C and a maximum of 34.8 °C.
On the coldest nights of the month, the temperature usually drops to around 13 °C. However, it dropped to 9 °C in August 1991.
On the warmest days of the month, the temperature usually reaches around 39 °C. However, it reached 41.2 °C in August 1999.
Precipitation amounts to 20 mm, distributed over 2 days.
The day lasts on average 11 hours and 35 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 63% of the time.
The average humidity is 46%.
The average wind speed is of 8.6 kph.
September is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of 29.3 °C, with a minimum of 22.7 °C and a maximum of 36 °C.
On the coldest nights of the month, the temperature usually drops to around 16 °C. However, it dropped to 11 °C in September 2018.
On the warmest days of the month, the temperature usually reaches around 39.5 °C. However, it reached 43 °C in September 2020.
Precipitation amounts to 50 mm, distributed over 4 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 49%.
The average wind speed is of 9.4 kph.
October, the hottest month of the year, is generally a very hot month. The average temperature is of 29.7 °C, with a minimum of 23.9 °C and a maximum of 35.4 °C.
On the coldest nights of the month, the temperature usually drops to around 19.5 °C. However, it dropped to 16 °C in October 2016.
On the warmest days of the month, the temperature usually reaches around 39 °C. However, it reached 43.1 °C in October 2020.
Precipitation amounts to 115 mm, distributed over 8 days.
The day lasts on average 12 hours and 30 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 61%.
The average wind speed is of 9.8 kph.
November is generally a very hot month. The average temperature is of 29 °C, with a minimum of 23.9 °C and a maximum of 34.1 °C.
On the coldest nights of the month, the temperature usually drops to around 20.5 °C. However, it dropped to 15 °C in November 1999.
On the warmest days of the month, the temperature usually reaches around 37.5 °C. However, it reached 40 °C in November 1997.
Precipitation amounts to 175 mm, distributed over 11 days.
The day lasts on average 12 hours and 55 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 67%.
The average wind speed is of 9.9 kph.
December is generally a very hot, muggy month. The average temperature is of 28.6 °C, with a minimum of 23.9 °C and a maximum of 33.2 °C.
On the coldest nights of the month, the temperature usually drops to around 21 °C. However, it dropped to 16.6 °C in December 2010.
On the warmest days of the month, the temperature usually reaches around 36 °C. However, it reached 39 °C in December 2003.
Precipitation amounts to 205 mm, distributed over 15 days.
The day lasts on average 13 hours and 0 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of 10.1 kph.