Mount Everest Weather

What is the Mount Everest Weather Like?

It is difficult to predict the weather on Mount Everest. However one thing can be safely predicted the weather can change in an instant and can get worse as you reach closer to the top of the world. At times it is often excruciating for climbers to find themselves almost at the summit and find the weather going crazy and all hell breaks loose. The weather starts going from bad to worse. The wind reaches speeds which make it a herculean effort to take a step forward and you wonder if Mount Everest is testing your resolve till your confidence reaches breaking point. Often climbers are left with a choice, to carry on hoping it will get better or to call the climb off and beat a hasty retreat.

The weather is one of the most crucial aspects for an assault to the top of Mount Everest.

The weather can make the difference between success and failure to any expedition attempting to reach the roof of the world. Most expeditions subscribe to weather reports from different meteorologist agencies.  The daily and hourly weather updates are however very costly but well worth the extra expense.

These weather reports are said to be fairly accurate but like most things cannot be deemed as 100 cent percent as there is always a possibility of local weather patterns changing within a very short time span. The best recourse for climbers is to study the weather for the coming 4 to 5 days and seek out the high and low features which can have a bearing on the future weather patterns.

Before elaborating on when to climb the Mount Everest, it is better to seek out the time when it is not advisable to climb. One of the most treacherous winds on the summit is known as the jet stream. These winds can reach a speed of more than 100 mph and then suddenly drop to unprecedented levels and then again start gusting. Climbers have often been deceived by these calm interludes and attempted to scale to the summit only to get caught in winds and there has been more casualties because of the treacherous jet streams than any other factor. In these hurricane force winds the temperature can feel like -73 Celsius with the wind chill. On a good day you can expect the temperature on the summit to be anything between -10 to -25 Celsius.

In between the episodes of jet stream winds there is usually a window of good weather which can sometimes extend up to 4 or 5 days. This is the best time to climb to the summit of Mount Everest. From late June an incredible weather phenomenon happens, this is known as the Monsoon. This can bring rain and heavy snow making any attempt to scale the summit impossible.

The coldest month on Mount Everest is January and the average temperature on the summit can be anything between -30 Celsius and -60 Celsius. The warmest month is July and the average temperature for the summit is -19 Celsius. There is no point during the year that the temperature on the summit rises above freezing. During the dead of winter which is November to February, the summit winds are at hurricane force and can reach more than 175 mph.

As you can see, the weather on Mount Everest can be very unpredictable, just like the weather at home!

Keep up to date with the daily weather forecast for Mount Everest. The weather on Mount Everest can change in an instance from good to poor making it very unpredictable when climbing to the top of the world.

 Weather by meteoexploration