Wanderlust World Wanderlust World Weather conditions on Mount Everest are extreme and highly variable. The following table shows average monthly temperatures and precipitation at the summit area, though actual conditions can vary significantly from these averages.
| Month | Avg Temperature (°C) | Avg Precipitation (mm) |
|---|---|---|
| January | -18.3 | 38 |
| February | -16.7 | 46 |
| March | -13.9 | 61 |
| April | -9.4 | 76 |
| May | -4.2 | 127 |
| June | 0.6 | 203 |
| July | 3.9 | 305 |
| August | 3.1 | 328 |
| September | 0.6 | 188 |
| October | -5.0 | 112 |
| November | -11.1 | 58 |
| December | -15.6 | 43 |
Key Patterns: Temperatures are coldest in winter (January-February) and warmest in summer (July-August), though still near freezing. Precipitation peaks during the summer monsoon season (June-August), with July and August receiving the most snowfall. The pre-monsoon (April-May) and post-monsoon (September-October) periods are popular climbing windows due to relatively stable weather.
Note: These are long-term averages. Actual conditions can change rapidly and vary significantly year to year. Climbers should always consult current forecasts and expedition guides.