Things to Do in Tonga in July

July marks the true beginning of whale season in Tonga, the first mothers arrive with newborn calves in the protected waters around Vava'u and Ha'apai. The water temperature sits at 24°C (75°F), cool enough to refresh after a swim but warm enough to stay in for hours. Morning conditions tend to be calmer before the trade winds pick up around 11 AM, and the visibility after a rain squall can exceed 30 m (98 ft). The calves are curious, sometimes approaching swimmers within the regulated 5 m (16 ft) distance, and the sound of adult males singing, a low, resonant vibration you feel in your chest, is something you won't forget.

The 70 km (43.5 mile) coastal road around Tongatapu is flat, paved, and best ridden in July's cooler mornings before the asphalt heats up. The southeast trade winds mean you'll want to ride clockwise, tailwinds pushing you along the southern coast past the blowholes at Houma, then a gentler headwind home through the villages of the north. The smell of burning coconut husks from outdoor ovens drifts across the road in Kolovai, and the heavy, sweet scent of ripe mango hangs in the air near 'Alaki. Afternoon thunderstorms build quickly over the interior, carry a lightweight jacket and plan to be off the road by 2 PM.

The blowholes at Houma, Mapu a Vaea, or 'Chief's Whistles', perform best in July when the southeast trade winds drive swells directly into the reef. The compressed air explodes through volcanic fissures in 30 m (98 ft) plumes that catch the morning light. The coastal track from Houma to 'Ohonua on 'Eua's southern coast, or the shorter cliff walks near Liku on Tongatapu, are manageable in July's temperatures. The rock is sharp coral limestone, your boots will scrape and catch, and the low vegetation offers no shade. Start at 7 AM, carry 2 liters of water, and the heat won't become dangerous.

The Talamahu Market in Nuku'alofa operates daily. But Saturday mornings in July are when the outer island boats have arrived with their catch, reef fish still twitching on ice, octopus the color of wet concrete, and baskets of 'ota ika (raw fish in coconut cream) prepared before dawn. The market smells of ripe papaya, diesel from the fishing boats, and the particular sweetness of pandanus leaves used for weaving. July is citrus season, mandarins from 'Eua and rough-skinned lemons that Tongans squeeze over everything. The underground ovens (umu) are lit Friday nights for Saturday sales, you can smell the smoky pork and taro from 100 m (328 ft) away.

July's trade winds are the reason sailors cross 2,300 km (1,430 miles) from New Zealand, consistent 15-20 knot breezes, protected anchorages between the 50+ islands of the Vava'u group, and water so clear you can read the bottom at 15 m (49 ft). The limestone islands rise straight from deep water, their cliffs white and gray against the darker green of banyan trees. Swallows Cave on Kapa Island traps the afternoon light, swim through the narrow entrance at slack tide and the water glows electric blue. The water temperature is cooler than the wet season, refreshing after a day on deck.

July heat is bearable when you chase Tonga's stone monuments, Ha'amonga 'a Maui trilithon on Tongatapu, the langi royal tombs at Lapaha, and the terraced fortifications of 'Eua. Morning light turns the coral limestone of the langi white-gold, and without sweat dripping into your eyes you can admire the precision of shell-cut, mortar-free joints. Shade is scarce at all three sites. The cloudier July afternoons give short respites. Guides from nearby villages explain the taboo rules that once decided who could approach which stones, stories the information boards never tell.