October to February — the easy months
Cool, clear and comfortable, with long views across the valley and cold mornings that want a shawl. This is the season most people picture when they think of Panchgani, and it is the busiest: weekends around Diwali, Christmas and the New Year fill early, and prices across the hill station rise accordingly.
If you want the plateau at its best and do not mind sharing it, come now — but book well ahead.
March to May — warm days, cool evenings
Warmer, but nothing like the plains: the altitude keeps the evenings pleasant even when the afternoons are bright. The strawberry season runs into the early part of this stretch, and the farms around Bhilar and Mapro are worth an hour.
A good compromise season — quieter than winter, and the garden is at its most usable.
June to September — the monsoon
The plateau turns green, waterfalls appear where there were none, and cloud comes through the valley and sometimes through the garden. It is beautiful and it is wet, and the two are not separable.
Come for the monsoon if you want the drama of it and are content to spend part of the day indoors watching the rain rather than driving to viewpoints. Bring proper shoes, expect the ghat road to be slow, and do not plan a trip around a particular view — you may not get it, and you may get something better.
Weekends and weekdays
Whatever the season, Panchgani is a different place midweek. Weekends bring day-trippers from Pune and Mumbai, and the viewpoints and the market get busy. If your dates are flexible, arriving on a Sunday or Monday buys you a noticeably quieter hill station — and a lower rate almost everywhere, ourselves included.