Sierra Leone
December and January are preferably the best times to visit Sierra Leone as temperatures and humidity are much lower and reasonable due to the hammattan breeze from the Sahara desert, although afternoon temperatures can still climb up to 40 °C and above, the hammattan breeze stops it from getting too humid, even though it will still be hot, humidity would be can be lowered down to 39%, meaning you'll sweat less during this time than you would when the climate goes back to its original state, so therefore the heat would be more endurable especially around coastal areas.