Imagine trekking along Annapurna Circuit, one of the most amazing trails in the world. The trail passes through vibrant landscapes with stunning views of the Annapurna range ahead of you. A lively group of friends surrounds you, and everything feels perfect.Just as you’re enjoying the time of your life, the weather takes an unexpected turn. In a matter of moments, the weather spoils all the thrills of the trek. Weather in Annapurna Circuit can make or break the thrill of the trek.
Weather in the Annapurna circuit affects the trek’s routes, duration, safety, and overall thrill. The beauty of trekking grows in ideal weather. Further, the trek to Annapurna Circuit becomes more exciting in suitable conditions. The weather-induced disturbances can spoil the excitement behind the journey. Further, trekkers must understand the weather forecasts for the Annapurna region. The journey feels more meaningful in favorable weather conditions.
January and February are the coldest months in Nepal. Except in Thorung La Pass and Manang, the daytimetemperature does not drop below negative degrees in the circuit. Furthermore, most areas around the Annapurna circuit experience heavy snowfall. High-altitude passes like Thorung La Pass close due to snowfall. Navigating the trails is a difficult task in these months. Temperature can drop to as far as –30°C – -10°C at night in Thorung La Pass, Manang, and Pisang.
To avoid shaky trips in winter, it is advisable to check the conditions of the trails beforehand. Blocked routes and avalanches might hamper the schedule. During the off-season, you are unlikely to encounter crowds of trekkers. Likewise, finding suitable accommodation should not be a problem. The occasional sunny days make for a great scenic view of the Annapurna range.
The window of March-April is regarded as one of the best periods for trekking in Nepal. Following the harsh winter, Nepal experiences the Spring season in these months. The native flora and fauna come back to life. With the Rhododendron and other wildflowers blooming, the trekking experience becomes captivating. All the trek routes open up following the end of the winter.
The average daytime temperature does not fall beyond negative degrees in the circuit. Temperature falls beyond negative degrees at night in Chame, Pisang, Manang, and Thorung La Pass. The higher altitude areas like Manang, Thorung La Pass, and Muktinath enjoy sunnier days, making for the scenic sunrise and sunset view over the Annapurna range. The mild temperature and clear skies make March-April suited for trekking expeditions.
May and June mark the pre-monsoon period in Nepal. Starting in mid-June, the monsoon wind causes torrential rainfall throughout the country. Hence, the pre-monsoon period is suitable to avoid the hardships of the rainy season. Trekking in the pre-monsoon period provides a unique experience. Temperature hovers around 15°C and above once you pass Besi Sahar. It gradually drops to 3-5°C until you reach Thorung La Pass.
The weather during May and June is relatively cozy. The average daytime temperature is around 15°C – 20°C in Chame, Pisang, Tatopani, and Pokhara. Further, the days start to get warmer as the months progress. The daytime is sunnier with clear pre-monsoon skies. It is easier to navigate the trails during this period. Yet, you might experience sporadic rain showers on your journey. The climate remains favorable in this season.
Nepal experiences heavy rainfall in July and August due to monsoon wind. The monsoon season peaks in July. Torrential downpours are common during this period. However, the monsoon rain majorly affects the Eastern part of the country. The Annapurna Base Camp Circuit can be trekked during the monsoon season thanks to its geography and location in the western half.
A significant chunk of the trek routes falls in the rain-shadow Mustang-Manang region. Hence, minimal rainfall is expected in the Northern half of the trek. Places like Chame, Manang, and Thorung La Pass receive minimal rainfall. Trekkers can choose to explore solely the Northern circuit. In contrast, heavy rainfall affects the lower/southern region of the trek like Pokhara. Landslides, mudslides, avalanches, etc., are common during the monsoon season. Due to the weather-inflicted issues, the trail becomes difficult to navigate. You need to plan the expedition carefully during this period.
September marks the beginning of Autumn in Nepal following the monsoon season. September and October are the best months for trekking expeditions. The daily life, including the flora and fauna, thrives after the monsoon. The clear visibility and stable weather make it the best time to trek the Annapurna Circuit. With the gloomy monsoon long gone, the days are sunnier throughout.
During these months, the temperature is mild, at 15-20°C during the day. The temperature might drop down below 5°C in places like Thorung La Phedi and Thorung La Pass. Manang, Thorung La Phedi, and Thorung La Pass mightexperience negative temperatures at night. It gets colder as the nights grow longer. The biggest Nepali festival, Dashain, falls during this period. So, expect celebrations and joyfulness throughout. Tourists from around the globe arrive in numbers. Thus, the circuit remains hectic during the season.
Following the busy period, winter starts to make its presence felt after October. Although the weather remains favorable until early November, the temperature begins to fall beyond that. You might experience snowfall in the northern region of the trail. The days start to get shorter and cloudy. Shorter daylight hours may need itinerary adjustments. Also, trekkers need to obtain information about blocked routes beforehand.
The average temperature ranges from 5-8°C during the day. It can get cold at night with the temperature dropping below the negative degree. Places like Thorung La and Manang experience freezing nights with temperatures reaching -20°C. As you ascend the altitude, the temperature drops further. Trekkers must pack multi-layer clothes to combat the cold. Likewise, concluding the trek before the snowfall is ideal. Trekkers must take extra care to manage altitude sickness during winter.
A trek’s success depends upon climate conditions to some extent. The seasonal weather can affect your journey throughout. The aspirations of the trek also change depending on the season. Places like Pokhara, Besi Sahar, and Tatopani enjoy mild temperatures throughout the year. The temperature drops as you ascend the elevation. Weather remains challenging in Manang-Thorung La Pass for most of the time. July-August is the hottest time of the year; with average temperature hovering around 15-25°C. January-February brings the snowfall and temperature drops down below 0°C in most places.
| Place | January – February | March – April | May – June | July – August | September – October | November – December |
|---|---|---|---|---|---|---|
| Besi Shahar | Day: 15°C, Night: 5°C | Day: 22°C, Night: 10°C | Day: 28°C, Night: 14°C | Day: 30°C, Night: 18°C | Day: 27°C, Night: 14°C | Day: 18°C, Night: 7°C |
| Chyamje | Day: 10°C, Night: 0°C | Day: 15°C, Night: 4°C | Day: 20°C, Night: 8°C | Day: 22°C, Night: 12°C | Day: 19°C, Night: 8°C | Day: 14°C, Night: 4°C |
| Dharapani | Day: 5°C, Night: -5°C | Day: 10°C, Night: -2°C | Day: 15°C, Night: 2°C | Day: 17°C, Night: 7°C | Day: 14°C, Night: 5°C | Day: 8°C, Night: -2°C |
| Chame | Day: 3°C, Night: -7°C | Day: 8°C, Night: -4°C | Day: 13°C, Night: 1°C | Day: 15°C, Night: 6°C | Day: 12°C, Night: 3°C | Day: 7°C, Night: -5°C |
| Pisang | Day: 5°C, Night: -5°C | Day: 10°C, Night: -2°C | Day: 15°C, Night: 3°C | Day: 18°C, Night: 8°C | Day: 15°C, Night: 4°C | Day: 10°C, Night: -2°C |
| Manang | Day: -1°C, Night: -15°C | Day: 5°C, Night: -10°C | Day: 10°C, Night: -5°C | Day: 12°C, Night: 0°C | Day: 9°C, Night: -3°C | Day: 4°C, Night: -10°C |
| Thorung Phedi | Day: -2°C, Night: -18°C | Day: 3°C, Night: -12°C | Day: 8°C, Night: -8°C | Day: 10°C, Night: -2°C | Day: 7°C, Night: -6°C | Day: 2°C, Night: -12°C |
| Thorung La | Day: -8°C, Night: -25°C | Day: -4°C, Night: -18°C | Day: 2°C, Night: -12°C | Day: 5°C, Night: -6°C | Day: 2°C, Night: -10°C | Day: -2°C, Night: -20°C |
| Muktinath | Day: 2°C, Night: -10°C | Day: 6°C, Night: -4°C | Day: 12°C, Night: 0°C | Day: 14°C, Night: 5°C | Day: 11°C, Night: 2°C | Day: 6°C, Night: -4°C |
| Tatopani | Day: 17°C, Night: 8°C | Day: 23°C, Night: 12°C | Day: 28°C, Night: 18°C | Day: 30°C, Night: 20°C | Day: 27°C, Night: 18°C | Day: 20°C, Night: 10°C |
| Ghorepani | Day: 8°C, Night: -2°C | Day: 12°C, Night: 2°C | Day: 16°C, Night: 7°C | Day: 18°C, Night: 10°C | Day: 15°C, Night: 6°C | Day: 10°C, Night: 0°C |
| Pokhara | Day: 20°C, Night: 10°C | Day: 25°C, Night: 15°C | Day: 30°C, Night: 20°C | Day: 33°C, Night: 23°C | Day: 28°C, Night: 17°C | Day: 22°C, Night: 12°C |
There is always a risk of altitude sickness in the Himalayas. Combating altitude sickness is a concern for the trekkers in the Annapurna Circuit. The symptoms start to appear en route to Chame (2500 meters). Ignoring the mild symptoms can cause severe damage to your health. Weather conditions influence the severity of the sickness to an extent. Trekking in cold temperatures (less than 5°C) leads to an increased risk of altitude sickness. Further, proper climate acclimatization reduces the risk of altitude sickness.
Harsh makes trekking very challenging. The severity of altitude sickness increases with the elevation in Manang and Thorung La Pass. As the body maintains its warmth, it can lead to fatigue and dehydration. Hence, it is necessary to spend time acclimatizing to the climate. Navigating through the hilly and rocky terrain of Annapurna Circuit is an exhausting task. An extra rest day and other necessary itinerary adjustments can help in acclimatization. Likewise, it is necessary to pack insulated jackets and other multi-layer clothes.
Planning the trek to suit your aspirations can be tricky. Weather around the Annapurna region is hard to predict. Every season has its pros and cons. As such, each window brings a unique opportunity. One common occurrence in the region is afternoon weather swings. Mornings often start clear and sunny. But, afternoons can quickly shift to cloudy skies. Climate remains favorable in Pokhara, Besi Sahar, and Chyamje. However, as you ascend, the weatherstarts to pose challenges depending on the season. Navigating through Manang-Thorung La Pass can become difficult throughout the year.
Trekkers should be ready for weather-induced delays. The conditions can disrupt schedules during the monsoon or winter season. Every season brings its pros and cons. Depending upon the season, trekkers must prepare enough gear in their backpacks. Regardless of the season, the Annapurna Circuit Trek is a once-in-a-lifetime experience.
Weather can become a game-changer when trekking in the Annapurna Circuit. The journey feels much more rewarding in the favorable climate conditions. The scenic natural beauty around the trails, snow-capped mountains, and the locals’ hospitality make it a unique expedition. On the other hand, the weather forecast for the Annapurna circuit changes throughout the season. It poses various mental and physical challenges. Beyond weather uncertainties, the Annapurna Circuit trek is an adventure unlike any other.
The Annapurna Circuit Trek is one of the most beautiful trails in Nepal. The thrill of trekking in the Annapurna region increases bounds when the weather complements the journey. The 16-day long expedition feels seamless and fulfilling in ideal weather. Hence, it is important to plan the expedition to get the most out of the Annapurna Circuit trek.
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