With the diversity in landscape and the highest mountains in the world, Nepal has terrific variation in climates. The lowland plains are tropical, the midland hills are temperate, and the high mountains have sub-arctic and arctic conditions.
Nepal has four seasons, and each season offers distinct attractions, which makes it the best place to trek throughout the year. However, the best season for trekking is from mid-September to mid-December. During this time of months, the weather is neither cold nor hot, and you can also get a crystal clear view of mountains.
Likewise, spring offers a great view as many flowers bloom, and the greenery of Nepal reaches its peak making it one of the most beautiful countries in the world. We have listed what can be the best option for you to trek Everest Base Camp as per the season.
Source: Trekking in Nepal
Autumn is said to be the best season to go for trekking in Nepal. During this season, the weather is excellent, and you get to see majestic mountain views.
The moderate temperature makes it the best time for any kind of trekking. While the weather will be warm and generally snow-free below 4000m during September, it gets quite cold by the end of November.
It is the time when the monsoon gets cleared, and the atmosphere and the weather start getting stable, and the number of days with apparent blue sky increases. Sometimes, short storms may bring extensive snow at high altitudes, but mostly, the sky is clear with enchanting views to observe.
Even though it will still be cold in high mountains and warm in lower altitudes, but, overall, the temperature for daytime walking is the most pleasant. Moreover, the possibilities of natural disasters also decrease a lot.
As it is the most famous season among trekkers, the famous trails like Everest Base Camp and the Annapurna Circuit will be lively with trekkers. Tourists will be full at Thamel during this time of the season.
Also, you will get to witness the major festival of Nepal, Dashain, and Tihar during this time. The city gets full of fairy lights; temples are decorated more than before, people go to various places to celebrate, the streets will be filled with music.
Source: Inside Himalayas
Generally, the sky is clear during the winter season in Nepal. However, it is quite cold, mainly on higher altitudes. Most of the top high places can be challenging as the trail will be covered with snow.
The temperature of the Himalayan region might go down to -18 degrees Celsius, hilly areas 0 to 5 degrees Celsius while in plain areas 10 to 15 degrees Celsius.
Trekking is, without a doubt, possible during the winter season. However, trekking passes might get blocked by snow in higher altitudes. Similarly, the risky winds and colder temperatures in higher altitudes make it ideal for trekking on a lower elevation.
Even though winter trek is possible, one needs to be selective in choosing the winter trekking as climbing and crossing high passes trip won’t be an ideal option.
Some treks like Everest base camp, Annapurna Panorama, Annapurna Dhaulagiri, Annapurna Sanctuary, Instant Everest treks, etc. can be done even in winter.
Rather than a higher elevation trek, it is recommended to trek at a lower altitude during the winter season. Besides, lower altitudes of Nepal offer distinct beauty that higher altitude places cannot match up to. You will also get to witness how Christmas and New Year is celebrated in Nepal.
Source: Mountain Kingdoms
Spring is said to be the king of all seasons, and Nepal is such a country that can prove it with its beauty blooming at peak during spring. The trekking weather will also be warmer and much more pleasant at higher altitudes. Singing birds, beautiful views, and lavish wildflowers make spring feel a delight.
Also, you will get to witness forest filled with Rhododendron, Nepal’s national flower in full blossom. Spring is also famous for trekkers to challenge one or more of Nepal’s eight highest mountains in the world.
Most of the places will be filled with the new vegetation, flora and fauna will be on full blossom, hunting areas will look much beautiful. During this season, you might think Nepal is the top heavenly place there is. For those wanting to view wildlife in Terai, it is the best time.
The trails during the spring season are less crowded, but there will be slightly more mist and rain, which might block the view of mountains, so you might need to go to a higher altitude for an unobstructed mountain view (usually, around 10,000 feet and above).
Short treks to Hill are also ideal during this time as you will be able to see the real greenery of the hills, smell fresh woods, get fresh air, and listen to birds singing.
As the country’s main occupation is Agriculture, summer/monsoon is much awaited season for farmers Nepal. However, it is the worst time to go for trekking as the trail gets muddy, wet, leech-infested, and there will also be higher chances of natural disasters, mainly landslides.
Even if you trek, insect repellents are the most during this time and be prepared for rainfall at all times. The temperature of Himalayan regions rises to 20 degrees Celsius, hilly areas 20 to 30 degrees Celsius, whereas the plain regions 34 to 39 degrees Celsius.
During this season (Nepali Calendar, Asar 15), around, you will get to observe Nepali people celebrating National Paddy Day. It is a magnificent sight to see where farmers sing, play, and work together as they plant paddy seedlings.
However, places like Manang, Mustang, and Dolpo, which are located in a rain shadow area, will be ideal for visiting during this season. Similarly, you can get cultural tours during this time. Witness the beautiful age-old architectures, majestic palace, magnificent temples, pagodas, learn the traditions of Nepal.
Even though this season is not suitable for trekkers, it is ideal for botanists and researchers in the forest, and high altitudes as the higher valleys and meadows flourish with flowers and lush vegetation.