Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Iquitos is from July, August. — some variation climate
⛈Hot & rainy
| Score | 44 | 40 | 33 | 37 | 43 | 58 | 62 | 61 | 57 | 46 | 39 | 38 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy |
| Temperature | 24–30°C | 24–30°C | 24–30°C | 24–30°C | 23–29°C | 23–29°C | 23–29°C | 23–30°C | 24–31°C | 24–31°C | 24–30°C | 24–30°C |
| Feels like | 29–36°C | 29–37°C | 29–36°C | 29–36°C | 28–35°C | 27–34°C | 27–35°C | 28–36°C | 29–38°C | 29–38°C | 29–37°C | 29–36°C |
| Precipitation | 237mm 25 days | 235mm 22 days | 311mm 28 days | 318mm 28 days | 282mm 27 days | 191mm 23 days | 165mm 19 days | 152mm 13 days | 128mm 14 days | 185mm 19 days | 245mm 22 days | 268mm 26 days |
| Sunshine | 5.9h ☀︎ 48% | 5.3h ☀︎ 44% | 4.9h ☀︎ 40% | 5.4h ☀︎ 45% | 6.5h ☀︎ 54% | 8.0h ☀︎ 67% | 9.3h ☀︎ 78% | 9.9h ☀︎ 82% | 8.9h ☀︎ 73% | 6.8h ☀︎ 55% | 6.1h ☀︎ 50% | 5.8h ☀︎ 47% |
| Wind | NE · 9 km/h | NE · 9 km/h | NE · 8 km/h | NE · 8 km/h | E · 8 km/h | E · 8 km/h | N · 8 km/h | N · 8 km/h | N · 8 km/h | N · 8 km/h | N · 9 km/h | N · 9 km/h |
| Humidity (%) | 87% | 87% | 89% | 89% | 89% | 89% | 88% | 86% | 85% | 86% | 87% | 88% |
| Day length | 12.3h | 12.2h | 12.1h | 12.0h | 11.9h | 11.9h | 11.9h | 12.0h | 12.1h | 12.2h | 12.3h | 12.3h |
Celebrated around June 24th, this is the most important festivity in the Peruvian Amazon, filling Iquitos with music, da…
Travelers pour into Iquitos at year's end just as torrential downpours submerge the jungle, completely ignoring July and August—the two sunniest, driest, and most navigable months on the Amazon.
Cut off from the rest of South America by hundreds of miles of roadless canopy and silt-heavy water, Iquitos announces itself with a blast of wet river air the moment your plane touches down. This is the capital of the Peruvian Amazon, an isolated metropolis anchored where the Amazon, Nanay River, and Itaya River converge. It is chaotic, roaring with motorized rickshaws, rich with the faded European tilework of the 19th-century rubber boom, and entirely dictated by the rising and falling pulse of the river system. Most guidebooks fail to mention that the city's calendar is turned upside down: international visitors routinely arrive in November and December to peak crowd density and torrential deluges, while the genuine sweet spot—when the river drops, beaches emerge, and the sun cuts through the clouds for nine hours a day—slips by mid-year with barely a crowd.
July and August represent the finest conditions the Peruvian Amazon ever offers. While travel agencies in the Northern Hemisphere push late-year holiday packages, July and August quietly deliver the dry season's absolute peak. The heavy atmospheric ceiling lifts, granting nine to ten hours of bright sunshine each day. Rainfall drops to its yearly low, meaning boat expeditions into the tributaries leave on schedule rather than waiting out blinding morning squalls.
Because the surrounding river levels drop significantly during these months, white sand beaches appear along the Nanay River, drawing locals out of the city center to swim in tea-colored waters. In town, walking along the Malecón Tarapacá is actually pleasant in the evening breeze, rather than a race to escape a sudden cloudburst. You can wander past the historic rubber-era mansions and the curious metal bolted facade of Casa de Fierro without stepping into knee-deep street puddles. Forest trails in the surrounding reserves become navigable on foot rather than requiring pure mud-slogging, and wildlife concentrates around the remaining pools and river channels, making canopy spotting far more rewarding.
Remarkably, visitor numbers drop noticeably during these mid-year months. You get the rare privilege of exploring a remote jungle capital when its skies are at their clearest and its boat launches are free of gridlock.
June and September bookend the dry mid-year window, each bringing its own distinct rhythm. June is the cultural high point of the entire year across the Loreto region. Around June 24th, the city throws itself into the Fiesta de San Juan. This is the signature festival of the Peruvian Amazon, honoring Saint John the Baptist with a reverence that blends Catholic ritual and deep river folklore. The scent of bijao leaves fills every corner as families steam juane—seasoned rice, chicken, and eggs wrapped into neat parcels—to eat beside the water. Bands play throughout the districts of Punchana and San Juan Bautista, and riverside promenades turn into vibrant, open-air parties.
Weather in June is transitioning neatly into the clearer days, with rainfall dropping off sharply and sunshine steadily expanding. September takes the opposite edge of the dry bracket: it is the warmest stretch of the year, with apparent temperatures frequently climbing toward 38 °C. Yet rainfall remains remarkably modest, and the river beaches along the Nanay River remain wide and exposed. If you can handle sticky, humid afternoons that demand a hammock and a cold camu camu juice, September offers fantastic wildlife access and empty jungle lodges just before the rainy season reasserts itself.
If you follow standard vacation habits, you will land in Iquitos during its most challenging weather. Crowd numbers climb rapidly through October and reach an absolute fever pitch in November and December. Tour boats book out weeks in advance, and the Plaza de Armas buzzes with arrivals. Yet meteorologically, this is the worst possible time to be here.
Starting in October, the skies shut down. By November, the rain returns in violent, drenching bursts that dump massive amounts of water over short, chaotic afternoons. The air feels overwhelmingly thick, matching the peak heat of late summer with saturated humidity that leaves your clothing permanently damp. Walking across open plazas feels oppressive by midday, and jungle walks frequently turn into logistical battles against rising sludge.
December only accelerates the flooding. Rivers that sat low two months earlier begin to swallow their banks, submerging sandbars and churning silt into the clear tributary mouths. Coming here at the end of the year means paying premium prices for crowded boats only to spend hours huddled under tin roofs waiting for tropical deluges to pass.
From January through May, the Amazon Basin swells to its annual peak. March and April bring relentless, heavy deluges that wash across the city almost daily, averaging less than five hours of sunshine. For standard hiking, the jungle becomes virtually impenetrable as forest floors transform into sprawling temporary lakes.
Yet this high-water period possesses an eerie, aquatic beauty that appeals to a very specific kind of traveler. The floating neighborhood of Belén becomes fully amphibious; families paddle wooden canoes directly to their front doorways, and the lower market stalls rise and float on balsa logs above the churning Itaya River. Navigating deep into the primary forest requires skiffs instead of boots, gliding silently through the canopy of flooded igapó forests where pink river dolphins swim between tree trunks.
By May, the rain begins to slacken, though the rivers remain high. If your dream of the Amazon involves trekking along dirt pathways and spotting dry-land creatures, stay far away during this five-month window. But if you want to experience Iquitos as an island of humanity floating entirely at the mercy of vast, swelling waters, come prepared with serious rain gear and expect to travel exclusively by boat.