Island Peak climbing can be done all year around except for the monsoon seasons. The best time to climb the Island Peak is during spring and autumn seasons.  The spring months from March to early June are the best and one of the busiest climbing seasons of the year.  Whereas the months of September to November is considered to be the autumn season. During these months the temperatures are moderate and weather tends get clearer.  Climbing during winters is possible but only for experienced climbers who enjoy challenges and are able to bear risks.  During winter there is occurrence of heavy snowfall the views are unclear and the paths get blocked.  Similarly in summer the monsoon rains obstruct the views and the paths become wet and slippery making it difficult for climbing.