Question

there is not much difference in the range of temperature in manaus

Answer 1

Due to its latitude, Manaus enjoys an equatorial climate, where temperatures vary little during the day and year (annual average is 26 ° C), the summer tends to be a little cooler due to the greater amount of precipitation, which also is distributed throughout the year, being often of convective origin bringing great amounts of precipitation in a short time.

Answer 2

Here is the answer 

There is not much difference in range of the temperature in the Manaus region.

The location of Manaus is near the equator.

As its effect, Manaus receives perpendicular sunrays almost throughout the year. 

The variations between the annual average maximum and minimum temperature is comparatively less.

Therefore, there is not much difference in the range of temperature in Manaus.