The temperature in Everest Base Camp is cold reaching below freezing point during the night and early mornings. The temperature ranges from a maximum of 4°C / 39.2°F during the day to a minimum -17°C / 1.4°F at night. Remember that you will not be sleeping at Everest base camp instead you will just be visiting during the day unless you book a Sleeping at Everest Base Camp Trek with only 4 dates open each year.