July is the middle of summer in the Northern Hemisphere, but summer does not mean warm conditions on Mount Everest. There is always a cool temperature at extreme altitude even during the warmest month of the year. The mean temperature in July at the summit of Mount Everest is approximately −19°C (−2°F), though extremes can be significant depending on conditions such as wind, cloud cover, time of day and altitude.
Mount Everest reaches 8,848.86 m (29,031.7 ft) above sea level. The air is very thin and temperatures very low year round at this altitude. The month of July is typically the hottest month at the summit; however, there can be extremely cold, blustery, snowy and rapidly changing weather conditions at the summit.
Knowing temperatures at various other locations around the mountain is significant as the temperature around EBC is quite different to that of near the summit. For a trekker visiting Base Camp in July, the daytime temperatures may be relatively mild, but for a climber at the summit, the temperatures could be well below freezing.
What Is the Average Temperature in July on Mount Everest?
The average July temperature on the summit of Mount Everest is about −19°C (−2°F). This is a long-term average, not the temperature that will be recorded daily. Depending on the atmospheric conditions, some days can be warmer or colder.
Even on a fairly warm summer day, it is cold at the top. In windy situations, the wind chill can make the weather seem much colder than the temperature. It is especially important since below-freezing temperatures and high winds can cause exposed skin to cool quickly.
The environment of high altitude also reaches towards the top. The air pressure is far less at 8,848.86 m (29,031.7 ft) than at sea level and the thin air does not hold heat as well as the lower air. This is because, even though the mountain is physically closer to the sun, the temperature is approximately -19°C (-2°F) on average during July. ABC Science reports that the average temperature on the peaks during July is around -19°C.
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July Temperature at Different Elevations
There is a marked variation in the weather conditions along the way from the lower regions of the Everest to the peak. The table below provides a general indication of the variation that may occur in July.
| localización | Elevación | Typical July Temperature | Condicións xerais |
| Lukla | 2,840 m (9,318 ft) | Around 10°C to 18°C (50°F to 64°F) | Mild, wet and humid |
| Bazar de Namche | 3,440 m (11,286 ft) | Around 7°C to 18°C (45°F to 64°F) | Cool with rain and cloud |
| Dingboche | 4,460 m (14,632 ft) | Around 4°C to 13°C (39°F to 55°F) | Cool, cloudy and variable |
| Lobuche | 4,900 m (16,076 ft) | Around 1°C to 11°C (34°F to 52°F) | Cold, with possible cloud and precipitation |
| Gorak Shep | 5,180 m (16,995 ft) | Around 0°C to 10°C (32°F to 50°F) | Cold, especially morning and evening |
| Everest Base Camp area | About 5,300 m (17,388 ft) | Generally around 5°C to 10°C (41°F to 50°F) | Cold with possible cloud, snow and precipitation |
| Everest summit | 8,848.86 m (29,031.7 ft) | Around −19°C (−2°F) average | Extremely cold and windy |
The figures for lower locations are approximate July ranges and can vary from year to year. There is also a marked downward trend in temperature with increased elevation in the published Everest region data.
The reason why is that the difference is the temperature of Everest would be different if you were to ask about it in July, depending on the part of the mountain that you are asking about. Even though they’re on the same mountain, they’re in vastly different environments at Base Camp and near the summit.
Why Is Everest Still So Cold in July?
The main reason is elevation. The higher the altitude, the lower the pressure and the thinner the air. The nearer a place is to the sun, the more energy it receives, but most of the heat in the atmosphere is from energy absorbed and re-radiated by the Earth’s surface and temperatures tend to decrease with increasing elevation.
The top of Everest (8,848.86 m / 29,031.7 ft) is near the top of the troposphere. Strong high-level winds and the Jet Stream can also affect the mountain. High atop Everest, weather stations have been constructed to withstand extreme winds, cold, pressure and other atmospheric conditions.
Sunshine can produce hot air for a few moments, especially if it is not windy. However, this does not mean that the actual air temperature becomes comfortable. When the sun is covered by clouds or the wind speeds up, the temperature can fall rapidly.
How Cold Is Everest Summit in July During the Day?
Summit temperatures are normally below freezing during the day in July. The month’s long-term average is around −19°C (−2°F).
This is a typical average temperature and an actual temperature at a summit attempt may vary from this. Weather conditions might seem less severe, with relatively light winds and clear skies and direct sunlight. In the case of strong winds, the effect may be the opposite and it can form dangerous wind chill.
It’s why mountaineers do not plan for July on the basis of the forecast air temperature. The potential of extreme cold conditions must be considered in clothing, gloves, boots, face protection, shelter, oxygen strategy and timing.
What Is Mount Everest Temperature in July at Everest Base Camp?
The July temperature on Mt. Everest at the Base Camp is significantly higher than the temperature at the summit. Campamento Base do Everest is located on the Nepal side, at an altitude of about 5,300 m (17,388 ft), which is over 3,500 m (11,483 ft) below the height of the mountain itself.
Typical July temperature ranges for the Nepal side Base Camp are 5°C to 10°C (41°F to 50°F) during the day and perhaps below freezing at night.
July is the monsoon season in Nepal. This indicates that temperature will not be the only factor in the weather situation. A trekker’s experience can be very different because of the cloud, the rain at lower levels, the decreased visibility and wet trails.
In some areas of the trek, above a certain elevation, the precipitation is different due to lower temperatures. The situation can thus vary drastically within a single day’s march.
How Does Everest Weather in July Affect Trekkers?
In July, the South Asian monsoon has a significant impact on the weather at Everest. There is significantly more moisture at this time from the south, bringing clouds and rain to many areas in the Everest region, including low visibility.
The lower section of the trek may be damp and soggy for trekkers. Regular rain is likely on Lukla and in the lower valleys, occasional in higher areas, which may experience cloud and mist.
The weather may also impact transportation. July is a cloudy and visibility-restricted time of year for flights to Lukla; you should be flexible with your itinerary if you are planning a trek in the Everest region.
As the route climbs to higher elevations, weather gets cooler and more precipitation will be expected to be less than it would be at lower elevations. However, it is still possible to overlook mountain views during much of the day if they are hidden by cloud.
Does It Snow on Everest in July?
Everest has snow and ice cover at very high altitudes all year round. July does not get rid of the permanent winter environment that is near the top of the mountain.
Average temperatures are well below freezing at 8,848.86 m (29,031.7 ft) and snow and ice may still be present even when the lower valleys are in summer.
New snowfall is also possible from weather systems at high elevations. The amount and location of precipitation and snow depend on the storm pattern, wind and temperature. This is another reason why climbers are guided by detailed forecasts and not taking on the assumption that July conditions are going to be reliable.
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Why Does July Feel Warmer at Lower Elevations?
The average amount of solar heating in the lower Everest region is much more than at the summit. The lower the elevation, the higher the air density and the higher the temperature.
For instance, Lukla (2,840m /9,318ft) can be relatively pleasant during the day in July. The weather is considerably colder when trekkers arrive at Gorak Shep (5,180 m /16,995 ft).
It gets even bigger at the top. Someone might start in relatively mild weather in lower elevations and find themselves in freezing weather several thousand metres above.
This difference in temperature is one of the main reasons why it is so important to acclimatise when on an Everest expedition. With altitude increases the body has to adapt not only to the cold but also to the reduced amount of oxygen available.
Is July a Good Time to Visit Everest?
July is not the best time of year for trekking in the Everest region due to its monsoon season. The traditional trekking seasons are typically spring and autumn, when the weather is more conducive to stunning mountain vistas and much more stable trail conditions.
This isn’t to say that July is too early for the Everest region entirely. It is still possible to trek and some people opt to do so due to travel date availability or to trek during less busy times of the trail.
The primary drawback isn’t necessarily extremely cold at Base Camp. Rather, practical problems can arise from the rain, cloudiness and transport delays that can happen. When traveling, therefore, it is best to plan a time buffer and flexibility.
If you want to get to the Everest Base Camp but not actually climb the summit, then the conditions are far less harsh than for an Everest mountaineer. The difference between the two experiences is substantial.
How Does Wind Change the Temperature on Everest?
High mountain air temperature is not the complete story. Exposed areas may be much colder than the temperature on the thermometer.
In the upper elevation of Everest, strong winds are a serious concern. The extreme wind conditions at the high altitudes where the instruments were set up are described in the National Geographic reporting on the weather stations on Everest.
For instance, an exposed area on the body may feel much colder at −19°C (−2° F) with strong wind than it does with no wind. Another reason climbers must wear very protective clothing even in the warmest month of the year is that wind enhances body cooling.
This is especially true around exposed ridges and on the summits. Weather windows, when winds and other factors are more favorable, are typically used by climbers for their summit push.
What Should You Wear for Everest in July?
What clothes to take along will largely depend on your destination. If you are trekking in the lower part of the Everest region in July, you should be ready for the rain, humidity and cool temperatures, but if you are going to Base Camp, you will need much warmer clothes to deal with the cold mornings and nights.
The warmer the insulation, the more important they are at higher elevations. A waterproof outer layer also comes in handy as July can be wet down low.
For a real Everest summit expedition, you need high altitude gear and clothes. Summit conditions are vastly different than at Base Camp and standard trekking gear is not adequate for the rigors above the high camps.
How Should You Interpret Everest Temperature Forecasts?
In addition to the wind, precipitation, cloud cover and elevation, temperature forecasts on Everest should always be considered in combination. The forecast temperature of −15°C (5°F) at one location is not the temperature at other locations on the mountain!
The reliability of the forecast also varies over time. When making decisions to ascend to higher elevations or to try a summit, expedition teams rely on updated forecasts and observations.
The weather station network set up around Everest has enhanced the knowledge of the conditions at high altitudes through observations of temperature, wind speed, humidity, solar radiation and air pressure, etc.
Consideracións Finais
The average temperature on Monte Everest in July is a good indication of how the mountain climate differs from that in the summer at lower altitudes. The average temperature at the summit is approximately −19°C (−2°F) in July and the average temperature around Everest Base Camp is a few degrees above freezing during the day.
The most critical factor is that there is no one set temperature throughout the mountain. Weather conditions vary greatly with altitude. Weather can be quite different in the same day at different locations, such as at Base Camp, on the trek, or near the summit of Lukla.
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The South Asian monsoon is also with us during July, on the Nepal side of the Himalayas’ peaks. This results in steep sections of the Everest route being wetter and cloudier than they would be at sea level, but the summit is still a very cold and high-altitude environment.
Anyone thinking of going to Everest in July should hence not just take the temperature figure. Elevation, wind, precipitation, visibility and weather changes are factors to consider. Knowledge of these differences will help you prepare more appropriately and help the travellers have a better idea of what life is like during summer on the world’s highest mountain.