two best seasons to travel to nepal would be spring and autumn. however, now a days it is seen that even summers/monsoon and winters have their own charms and have started to see inflow of tourists.

• spring: march, april and may – spring probably is one of the most popular time to travel to nepal. this period is characterised by pleasant temperature and is marked with period when the flowers are in full bloom. the most important festival during this period is holi.
• autumn: september, october & november – autumn is again a popular time to travel especially for trekking and hiking. this period is characterised by clear views and pleasant temperature. the most important festival during this period is dashain and tihar.
• summer: june, july & august – considered as an offseason period in nepal. this period is characterised by sapphire skies, lush green valleys, beautiful landscapes and is less crowded. the most important festival during this period is gai jatra.
• winter: december, january, february – again considered as an offseason period in nepal. this is the best time to avoid the crowd as the skies are clear with great views of mountains. the most important festival during this period is maha shivaratri.