If you're looking for summer vibes, the best time to travel to Shillong is in April, March and May, when the average temperature reaches 30.35 °C, while March, April and February are the 3 sunniest months of the year, with an average of 62.76 hours.
However, if you prefer colder temperatures, make sure you visit Shillong during January, February or December to experience an average of 11.42 °C.
For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during January, February and March, when the average precipitation in Shillong is 5.25 mm, while the months of January, February and March are drier, with an average of 0 mm.