During summer, the temperature of Vrindavan rises to around 40-degree Celsius. So avoid visiting the place from May to July.
Vrindavan is crowded by travelers throughout the year, but the best time to visit the place is from October to March. During this period Vrindavan experiences the most pleasant weather. Winter is the ideal time to visit the temples of Vrindavan, especially from October to November and February to March. If you want to enjoy Holi at Vrindavan, visit the place in March.
In August when the monsoon is at its peak, the temperature lowers and Vrindavan celebrates Janmasthami, the birthday of Lord Krishna. This time the forests and holy ponds of Vrindavan get the purest form of beauty.