, with a rainy season from December to April and a dry season from June to October, with May and November as transitional months.
During the day it can get very hot all year round, but especially from July to October. In September 2017, the temperature reached 40 °C (104 °F), and the average high was 38.1 °C (100.6 °F).
The city is located in northeastern Brazil, at 5 degrees south latitude, in the state of Maranhão, on the banks of the Tocantins River.
It is difficult to find the best time in Imperatriz, since the dry season, from June to October, which in any case will be preferred, is also very hot. In June and July the temperature is a bit lower, but the humidity is a bit higher.
. Here are the average temperatures.
January, the least warm month of the year, is generally a very hot, muggy month. The average temperature is of
27.7 °C, with a minimum of
23.4 °C and a maximum of
32.1 °C.
On the coldest nights of the month, the temperature usually drops to around
21.5 °C.
On the warmest days of the month, the temperature usually reaches around
35 °C.
Precipitation amounts to
255 mm, distributed over 15 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
6.4 kph.
February is generally a very hot, muggy month. The average temperature is of
27.9 °C, with a minimum of
23.4 °C and a maximum of
32.4 °C.
On the coldest nights of the month, the temperature usually drops to around
21.5 °C.
On the warmest days of the month, the temperature usually reaches around
35 °C.
Precipitation amounts to
220 mm, distributed over 15 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 38% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
6.8 kph.
March is generally a very hot, muggy month. The average temperature is of
28 °C, with a minimum of
23.6 °C and a maximum of
32.4 °C.
On the coldest nights of the month, the temperature usually drops to around
22 °C.
On the warmest days of the month, the temperature usually reaches around
35 °C.
Precipitation amounts to
295 mm, distributed over 17 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
6.7 kph.
April is generally a very hot, muggy month. The average temperature is of
28.2 °C, with a minimum of
23.7 °C and a maximum of
32.6 °C.
On the coldest nights of the month, the temperature usually drops to around
22 °C.
On the warmest days of the month, the temperature usually reaches around
34.5 °C.
Precipitation amounts to
205 mm, distributed over 14 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 48% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
6.2 kph.
May is generally a very hot, muggy month. The average temperature is of
28.4 °C, with a minimum of
23.4 °C and a maximum of
33.3 °C.
On the coldest nights of the month, the temperature usually drops to around
21.5 °C.
On the warmest days of the month, the temperature usually reaches around
35.5 °C.
Precipitation amounts to
90 mm, distributed over 7 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
6.3 kph.
June is generally a very hot month. The average temperature is of
27.9 °C, with a minimum of
22.1 °C and a maximum of
33.8 °C.
On the coldest nights of the month, the temperature usually drops to around
19.5 °C.
On the warmest days of the month, the temperature usually reaches around
35.5 °C.
Precipitation amounts to
14.7 mm, distributed over 2 days.
The day lasts on average 11 hours and 50 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 74% of the time.
The average humidity is 67%.
The average wind speed is of
7.2 kph.
July is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of
27.8 °C, with a minimum of
21 °C and a maximum of
34.6 °C.
On the coldest nights of the month, the temperature usually drops to around
18 °C.
On the warmest days of the month, the temperature usually reaches around
36.5 °C.
Precipitation amounts to only
6.5 mm, and all occurs in one day.
The day lasts on average 11 hours and 50 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 77% of the time.
The average humidity is 60%.
The average wind speed is of
8 kph.
August is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of
28.5 °C, with a minimum of
21 °C and a maximum of
35.9 °C.
On the coldest nights of the month, the temperature usually drops to around
18 °C.
On the warmest days of the month, the temperature usually reaches around
38 °C.
Precipitation amounts to only
9.1 mm, and all occurs in one day.
The day lasts on average 11 hours and 55 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 56%.
The average wind speed is of
8.7 kph.
September is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of
29.5 °C, with a minimum of
22.8 °C and a maximum of
36.2 °C.
On the coldest nights of the month, the temperature usually drops to around
20 °C.
On the warmest days of the month, the temperature usually reaches around
38 °C.
Precipitation amounts to
40 mm, distributed over 3 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 57%.
The average wind speed is of
9.1 kph.
October, the hottest month of the year, is generally a very hot month. The average temperature is of
29.6 °C, with a minimum of
23.9 °C and a maximum of
35.2 °C.
On the coldest nights of the month, the temperature usually drops to around
21.5 °C.
On the warmest days of the month, the temperature usually reaches around
38 °C.
Precipitation amounts to
70 mm, distributed over 6 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 63%.
The average wind speed is of
8.5 kph.
November is generally a very hot month. The average temperature is of
29.1 °C, with a minimum of
24.2 °C and a maximum of
33.9 °C.
On the coldest nights of the month, the temperature usually drops to around
22 °C.
On the warmest days of the month, the temperature usually reaches around
36.5 °C.
Precipitation amounts to
120 mm, distributed over 9 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 38% of the time.
The average humidity is 70%.
The average wind speed is of
7.8 kph.
December is generally a very hot, muggy month. The average temperature is of
28.4 °C, with a minimum of
23.8 °C and a maximum of
33.1 °C.
On the coldest nights of the month, the temperature usually drops to around
21.5 °C.
On the warmest days of the month, the temperature usually reaches around
36 °C.
Precipitation amounts to
190 mm, distributed over 13 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 37% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
6.8 kph.