This valley is estimated to have 130 monuments. This valley is a very important place as most of the administrative offices have their headquarters here. It rains every day as it is the monsoon season of the country. The problem is the heavy humid heat, hazy views and the incoming monsoon season.

June falls at the beginning of monsoon season in Nepal. How Bad is the Nepal Climate in June? Summer has arrived and it's not like many other summers. During the night time, the average temperature can fall to 20°C. January and February can be very cold, especially at night, but will reward you with incredible panoramas and quieter trekking trails as there are fewer visitors. The weather remains dry until about April. Trekking in Nepal in June can difficult due to daily rainfall. A visit to Kathmandu and Pokhara in June could be quite nice, as long as you are OK with some rain (recent stats indicate ~8 days with rain in June in Pokhara).. We enjoyed both during our 2014 visit during the Monsoon. According to recent weather stats, May and June weather is similar in Pokhara: The problem is rain, heavy rainfall throughout the mountainous region due to the South-Eastern wind. While most of the rain hits towards the end of the month, I wouldn’t really recommend people to visit Nepal in June unless it’s the only time of year they can go. All treks are officially open during June in Nepal from Everest to the Annapurna Region. Each of these events is held in Nepal during June that caters mostly to exploring the adventures and hills that the country has to offer. Image Source. From 2 days trek to a 2 months trek, adventurous, moderate, easy, all levels of treks are available. If you are in Kathmandu in June, then never forget to visit the valley.It is also known by the name of Nepal valley. June is the starting month of the monsoon season in Nepal. Between October and December is the best time to visit Nepal as the skies are generally clear and the views spectacular. Around 80% of the total rainfall in Nepal occurs in June, but at the same time, as you keep moving to higher altitudes, the amount of rainfall decreases.
There are also a variety of treks to choose from in Nepal. What is the weather like in June for trekking in Nepal?

The Government of Nepal has announced that it will extend the suspension of all international flights until at least the end of June. Heavy rainfall and some thunderstorms are certain.
With rain comes landslides and mudslides which can delay travel plans and make getting around the country difficult. But, trekking in Nepal in June has its own perks. This is the season when Nepal experiences the least rush of tourism as it is an off season. Avoid distant or unmarked trails due to the increasing risk of landslides.

Moreover, this is likely the time to explore the country without facing the tourist common.

The average temperature in the hilly region during the daytime can be around 33 °C.