A winter trip to Bomdila requires proper cold-weather clothing, particularly for early mornings, evenings and windy viewpoints. Pack thermal base layers, a fleece or sweater, an insulated jacket, gloves, a warm cap, thick socks and comfortable closed shoes.
Layering is more practical than relying on one heavy jacket because sunny daytime conditions can feel considerably warmer than nights. A wind- and water-resistant outer layer is also useful for changing mountain weather, while footwear with good grip can help on frosty or slippery surfaces.
Carry moisturiser, lip balm, sunscreen and sunglasses for outdoor sightseeing. Regular medicines, a small first-aid kit, water and a few snacks are useful during longer road journeys, especially if Bomdila is a stop on the way to Dirang or Tawang.
Keep identification, Arunachal Pradesh permit documents, some cash and a power bank easily accessible. Mobile connectivity and digital payments may not always be dependable during mountain journeys, so having essential documents and basic supplies available offline is practical.
For road travel, check current weather and road conditions before departure and travel during daylight where possible. Fog and frost can affect roads around Bomdila, while snow and ice become a greater concern as the route climbs towards Sela and Tawang.
If your trip continues to higher-altitude areas, pack for significantly colder conditions than Bomdila alone requires. Do not assume that clear weather in Bomdila means the road or sightseeing areas around Sela, Tawang or Bum La will have the same conditions.