Yes, this is normal. The Macbook is geared for maximum quiet operation and includes the cooler only when the temperature is very high, up to 90 degrees. In General, it has no effect.
There are people who are afraid for the life of the El. components laptop and put mac fan control for manual speed control of the cooler. But it's hard to call that useful procedure. Just use the laptop as is and every 1-2 years to change the thermal paste.