May–Oct dry-season promises clear views and passable roads. Nov–Mar rains flood Salar de Uyuni (mirror effect) but can cancel jungle outings.
January: Peak wet; Salar reflections but tough road conditions.
February: Carnival mania in Oruro; heavy altiplano rains.
March: Rain easing, lush landscapes, fewer tourists.
April: Clearer skies, comfortable temps, good shoulder season.
May: Dry season starts; crisp nights, clear volcano views.
June: Cold but crystal days—prime for starry Uyuni shots.
July: Coldest; snow dusts Andes, popular for festivals.
August: Sunny & chilly, Independence celebrations.
September: Warmer, spring wildflowers around Titicaca.
October: Dry tail-end, ideal across regions.
November: Early rains, Salar flood mirrors emerging.
December: Christmas fiestas, jungle rain in full swing.