The summit of Mount Emei has an alpine subarctic climate (Köppen Dwc), with long, cold (but not severely so) winters, and short, cool summers. The monthly 24-hour average temperature ranges from in January to in July, and the annual mean is . Precipitation is common year-round (occurring on more than 250 days), but due to the influence of the monsoon, rainfall is especially heavy in summer, and more than 70% of the annual total occurs from June to September.