Everest Base Camp (EBC) experiences various weather conditions throughout the year due to its high altitude and complex topography.
Here’s a general monthly breakdown:
January – February (Winter)
- Temperature: Day: -17°C to -7°C (1.4°F to 19.4°F), Night: -25°C to -20°C (-13°F to -4°F)
- Weather: Very cold, with occasional snowstorms. Few trekkers venture to EBC during these months.
March (Early Spring)
- Temperature: Day: -10°C to -5°C (14°F to 23°F), Night: -15°C to -10°C (5°F to 14°F)
- Weather: Warming up slightly, with clearer skies. It marks the beginning of the pre-monsoon climbing season.
April – May (Late Spring)
- Temperature: Day: -5°C to 10°C (23°F to 50°F), Night: -10°C to -5°C (14°F to 23°F)
- Weather: This is one of the most popular trekking seasons. The weather is relatively stable, and climbers attempt to summit Everest during this window.
June – August (Monsoon)
- Temperature: Day: 5°C to 15°C (41°F to 59°F), Night: -5°C to 0°C (23°F to 32°F)
- Weather: Monsoon season means heavy rainfall in lower elevations, but at EBC, it translates to snow and clouds. Landslides and flight cancellations are common in the region during this season.
September (Early Autumn)
- Temperature: Day: 5°C to 15°C (41°F to 59°F), Night: -5°C to -10°C (23°F to 14°F)
- Weather: The rain and snow decrease, and the skies become clearer. It’s the beginning of the post-monsoon trekking season.
October – November (Late Autumn)
- Temperature: Day: 5°C to 10°C (41°F to 50°F), Night: -10°C to -15°C (14°F to 5°F)
- Weather: Another popular trekking season. Skies are clear, offering great views, but temperatures drop, especially in November.
December (Early Winter)
- Temperature: Day: -10°C to -5°C (14°F to 23°F), Night: -20°C to -15°C (-4°F to 5°F)
- Weather: The cold starts setting in, fewer trekkers are on the trail, and snowfall becomes more frequent.
Always remember that these are general guidelines. Altitude, topography, and global weather patterns can create variations and sudden changes in the weather. Proper preparation, monitoring of current conditions, and acclimatization are essential for anyone trekking or climbing in the Everest region.