The best time to visit Kenya is during the dry seasons, from June to October and January to February, because the weather is pleasant and wildlife is much easier to spot, especially if you’re planning a safari; I’ve seen most travelers prefer June–October since it also lines up with the Great Migration in the Maasai Mara, which is a huge highlight, while the wet seasons (March–May and November) are quieter and greener but can make travel a bit tricky.