Discover the best time of year, based on historical climate, temperature, and precipitation.
The best time to visit Coyhaique is January, February, December, when the weather, flight prices, and crowds align. — consistent weather climate
🌨Cold
| Score | 78 | 81 | 53 | 31 | 9 | 7 | 7 | 8 | 12 | 37 | 51 | 72 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Mild | Mild | Cold | Cold | Cold | Cold | Cold | Cold | Cold | Cold | Cold | Mild |
| Temperature | 8–19°C | 8–20°C | 7–16°C | 4–12°C | 2–9°C | -1–6°C | -1–5°C | 0–7°C | 2–9°C | 3–13°C | 5–15°C | 7–18°C |
| Feels like | 7–18°C | 7–19°C | 5–14°C | 2–10°C | -1–6°C | -4–3°C | -4–3°C | -2–5°C | -1–6°C | 0–10°C | 3–13°C | 6–17°C |
| Precipitation | 73mm 13 days | 69mm 11 days | 135mm 17 days | 119mm 19 days | 143mm 18 days | 188mm 20 days | 150mm 21 days | 128mm 22 days | 142mm 22 days | 104mm 16 days | 111mm 19 days | 88mm 13 days |
| Sunshine | 10.8h ☀︎ 71% | 10.6h ☀︎ 76% | 6.8h ☀︎ 55% | 4.7h ☀︎ 43% | 4.0h ☀︎ 42% | 3.1h ☀︎ 36% | 2.6h ☀︎ 29% | 3.6h ☀︎ 35% | 5.2h ☀︎ 44% | 7.9h ☀︎ 59% | 8.0h ☀︎ 54% | 10.3h ☀︎ 66% |
| Wind | NW · 15 km/h | NW · 13 km/h | NW · 12 km/h | NW · 10 km/h | NW · 8 km/h | N · 7 km/h | N · 8 km/h | NW · 10 km/h | NW · 12 km/h | NW · 14 km/h | NW · 14 km/h | W · 15 km/h |
| Humidity (%) | 71% | 71% | 78% | 82% | 83% | 84% | 85% | 82% | 80% | 73% | 74% | 71% |
| Day length | 15.2h | 13.9h | 12.4h | 10.8h | 9.4h | 8.8h | 9.1h | 10.3h | 11.8h | 13.4h | 14.9h | 15.6h |
| Tourist Crowds | High season | High season | Shoulder season | Shoulder season | Low season | Low season | Low season | Low season | Low season | Shoulder season | Shoulder season | Shoulder season |
Conventional travel wisdom insists on February for Coyhaique, but December is the real masterstroke: you capture virtually all of Patagonia's fleeting summer daylight before high-season friction and swelling summer traffic lock down the valley.
Standard Patagonian route guides will tell you to wait for February, pointing at peak thermometer readings and dry afternoons as if a degree or two of warmth were the only currency that mattered. They are wrong. While February delivers nominally warmer air, it also delivers Coyhaique at its most constrained, when vehicles clog the single paved arteries out of town and every trailhead parking lot feels like an outpost under siege. The real opening arrives weeks earlier in December. The southern daylight is already stretching toward eleven hours of sun, lupines are erupting across the river banks, and the town still moves at the unhurried cadence of an isolated mountain settlement rather than an overwhelmed regional crossroads.
December catches Coyhaique in a state of suspended anticipation. The winds that tear across the eastern steppes have begun to lose their vicious spring edge, softening into brisk mountain breezes that keep the valley crisp and clear. The sun hangs above the horizon until deep into the evening, bathing the sheer rock face of Cerro Mackay in pale amber light well past nine o'clock. You can spend an entire afternoon walking the forest paths of Reserva Nacional Coyhaique and encounter little more than grazing cattle and the occasional ranger.
The weather is only marginally cooler than what February promises, but the physical sensation of being here is incomparably better. Rainfall sits low, falling as quick, light showers that wash the dust from the gravel roads rather than torrential storms that ground regional flights. Around the five-sided Plaza de Armas, locals linger on wooden benches without the frantic jostle of peak-season tour convoys. The city functions as a working frontier capital, not a staging ground.
Choosing December over the midsummer months is an intentional trade. You swap a single degree of apparent warmth for wide-open tracks, quiet riverbanks, and a sense of having arrived just as the wild Patagonian summer draws its first easy breath.
By January, the valley flips into high gear. This is the driest and brightest stretch of the year, with afternoons regularly pushing into the low twenties and the ground baking hard under relentless southern sunshine. The waters of Río Simpson drop to their clearest levels, running turquoise and clear beneath the suspension bridges, and outdoor living takes over every corner of the settlement.
February brings the statistical summit of the year: apparent temperatures peak around nineteen degrees, rainfall is at its absolute annual low, and the days feel endless. If you evaluate a trip strictly by meteorological charts, this is where you would pin your marker. But the weather comes at a price. The trails circling Piedra del Indio and the valley view points fill with steady streams of travelers. Vehicle rentals vanish months in advance, and the dusty access tracks leading out into the surrounding backcountry become corrugated washboards under heavy traffic.
It is undeniably beautiful weather—crisp, fragrant with dry scrub and wild mint, and remarkably benign for a territory notorious for squalls. Yet the wilderness feels closer to a managed park than a frontier. If you travel now, accept that you will share every scenic bend and river pool with convoys of fellow pilgrims chasing the exact same postcard.
March arrives like a shutter clicking shut. The long, honeyed light of summer thins out almost overnight, and with that transition comes the moisture. Rainfall totals more than double compared to the summer months, arriving as dense, rolling cloud banks pushed up against the Andes from the Pacific fjords. The town empties rapidly as seasonal travelers head north, leaving Coyhaique to brace for autumn.
Yet April possesses a striking, moody beauty that summer never manages. The native lenga and ñire forests carpeting the slopes of Cerro Mackay turn intense shades of copper, rust, and gold. On clear mornings between frontal systems, the air has an electric, diamond clarity, with fresh snow dusting the jagged basalt crests above town while the valley floor remains clear.
You cannot build a passive itinerary during these months. You need heavy oilskins, waterproof boots, and the flexibility to spend half a day watching rain lash the tin roofs around the Plaza de Armas while waiting for a break in the clouds. When the sun does break through, the autumn color against the dark river water makes the damp worthwhile.
Winter in Coyhaique is long, sodden, and intensely introverted. From May through September, the city turns inward beneath a low ceiling of grey cloud. Temperatures hover just above freezing, but the persistent dampness cuts straight through fleece and down, driving the apparent temperature down to near freezing for weeks on end. Woodsmoke hangs thick in the basin, perfuming the chilly streets with the sharp, sweet smell of burning native birch.
June and July are the wettest and darkest months on record. Daylight shrinks down to a meager three hours of indirect sun per day, and precipitation is relentless, falling as cold sleet, freezing rain, or heavy wet snow that turns unpaved side streets into slick slurry. The high country around Reserva Nacional Coyhaique becomes an inaccessible expanse of white drifts and mud, shutting down all but the most determined snowshoe treks.
This is not a season for general travel. It is a time when the community lives around wood-fired iron stoves, sipping mate and watching the wind rattle the corrugated siding of the houses. Unless you have specific business in town or wish to witness the raw isolation of an inland Patagonian winter without the veneer of tourism, avoid these months entirely.
Spring does not arrive gently in the Aysén region; it fights its way in through sheer atmospheric force. October and November see the return of sunlight, with daylight hours leaping back toward eight hours a day, but the warming air masses collide violently with lingering Antarctic currents, producing notorious westerly gales that sweep unhindered across the plains.
Temperatures rise into the low teens, yet the wind chill keeps the body feeling significantly colder. While rainfall begins to drop from its winter deluge, storms are unpredictable, rolling in over the western ranges with little warning. The trails around Río Simpson begin to dry out, though the river itself swells into a deafening, milk-grey torrent fueled by snowmelt tearing down from the melting peaks.
November starts to hint at the gentleness of summer, with the valley floor greening dramatically and the first lupines showing color. But the erratic gales can turn a simple day hike into an exhausting battle against the gusts. It is an exhilarating, rugged time to visit if you relish elemental weather, but it lacks the settled comfort and calm skies that December delivers just a few weeks later.