Sure but you should be able to safely drive the speed limit under normal (Ie not pouring rain, snow, etc) conditions. Night is a normal condition.
You would be an irresponsible nutter with a death wish to try through! And if you crashed, "I was driving at / under the speed limit" wouldn't wash - you would be charged with Driving without Due Care and Attention, or Dangerous Driving depending on the consequences of the crash.