Tawang experiences three weathers throughout the year. Summer stats in March and lasts till June and temperature between 5°C and 21°C. The monsoon season arrives in July and stays till September. Tawang experiences moderate rainfall during this season and these months. The winter season arrives in Tawang in November and remains up to February. The climate is extremely cool and the temperature reaches less than 0°C. The best season for Tawang vacation is the summer season in months of March to June. The weather is ideal for sightseeing.