Meteo Espiritu Santo (Luganville) in agosto

Vanuatu's forum describes January bluntly: hot, humid, sticky, and genuinely uncomfortable without air conditioning at night, squarely in the wetter half of the year. Rain shows up most days, sometimes for just five minutes and sometimes for hours, but posters were clear it doesn't typically derail plans - activities carry on around it. January also falls in the cyclone risk window, though multiple posters who'd visited several Decembers and Januaries in a row hadn't personally experienced one; it's a real possibility to plan around rather than something to expect on every trip.

Forum posters generally rate July as one of the better months to visit Santo, with lower humidity than the wet season, consistently warm ocean water, and water clarity often at its best during this cooler, drier stretch of the year. Posters are candid, though, that actual conditions can vary - one visitor reported ten straight days of torrential rain during a July/August trip and cut their stay short, a real reminder that a single bad-luck stretch is possible even in a generally favorable month. Posters consistently contrast July with December through April, described as the genuinely wet, humid and uncomfortable season here, positioning July squarely within the more reliable dry-season window even if it isn't a guarantee against the occasional rough patch.