Month by month
Tsavo in October
October is the year's best viewing wearing the year's least confident label. The thirty-year card files it as a shoulder month because the short rains can land in its final week, and everything before that moment is September continued.
If you only want the answer
The first half of October is as good as Tsavo gets, with game welded to the last water and the heat climbing. The shoulder verdict on the card is really about the closing week, when the short rains sometimes break early.
Reading the verdict correctly
The averages show 17 mm over 2 rain days at highs of 30.7°C, but that line blends two different months: a bone-dry opening stretch and the possibility of real storms near the close. Until the break comes, water is at its absolute annual low, which means concentration at the drinking points actually peaks now rather than in September.
So treat the label as a probability statement, not a description of the ground.
The last-water fortnight
Early October is Tsavo compressed: hot, dusty, the herds stacked along the Galana and the Voi system, and afternoon cloud towers building on the horizon as a daily reminder of what is coming. It is also when the lodge waterholes record their heaviest nightly traffic of the year.
Give the bush a week of proper storms, though, and the animals no longer need any of it; the dispersal that follows is fast and total, and the viewing steps down within days rather than weeks.
How to place the bet
Book the first half of the month with confidence, and if you take the second half, watch the forecasts the way a self-driver should, since a soaked cotton-soil track in the East can hold a vehicle for a long, expensive afternoon. Some properties start easing rates as the month closes, which sweetens the gamble.
Whatever happens, the park stays open; only the odds change.