Chachapoyas weather in August

August in Chachapoyas: nice, rainy, with clean air — fine if you can take 18 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Chachapoyas🇵🇪 Peru · Peruvian Andes · Trekking92
  1. 70Jan
  2. 69Feb
  3. 67Mar
  4. 76Apr
  5. 83May
  6. 89Jun
  7. 93Jul
  8. 92Aug
  9. 86Sep
  10. 77Oct
  11. 74Nov
  12. 72Dec

#2 of 12 months in Chachapoyas · #118 of 1413 destinations to visit in August · comfort 92/100 (tier S)

Days
20°C
Nights
11°C
Wet days
18
Sun
10.5 h
Humidity
74%
Daylight
12 h
Chachapoyas, Peru
Photo: Bill Salazar · Pexels

Traveller notes on Chachapoyas in August

Forum posters describe August as squarely inside the dry season across Peru's northern Andes, including the Chachapoyas region - good, reliable hiking weather by day, but genuinely cold once the sun goes down given the elevation. Posters consistently recommend proper layering: warm clothing for the cold mornings and evenings, with a much lighter layer needed at midday once the sun is directly overhead. This day-to-night swing is described as a defining feature of highland Peru travel generally in the June-August dry season, applying just as much to the Kuelap fortress and surrounding Chachapoyas sites as to better-known stops like Cusco.
Tripadvisor community · August · 1 month ago · Read more on Tripadvisor ↗

Other months in Chachapoyas

Chachapoyas-forum threads on visiting during the wetter months describe the region as genuinely affected by real precipitation well into the year, posters calling road conditions specifically worse than the drier stretch later on. Regulars call persistent fog a real factor for flight reliability into the regional airport, delays and cancellations more common during the wetter months. Posters recommend building real flexibility into any itinerary depending on flying rather than the overland route. Regulars describe the road from Cajamarca or Chiclayo as considerably rougher this time of year, a real factor for anyone choosing bus over flight. Posters call Kuelap and the surrounding waterfalls worth visiting regardless of the wetter pattern, the cable car running regardless of ground conditions below. Regulars recommend real waterproof layers and patience. The record: 19.6C days feeling like 20C, 11.7C nights, an extraordinarily high 170.8mm across over 26 days and 83 percent humidity.
ChachapoyasMayRegular · May · 1 month ago · Read more on Tripadvisor ↗
Chachapoyas-forum threads on flight access describe the town as reachable via LC Peru's regional service, a real time-saver over the long overland route from Chiclayo or Cajamarca given how mountainous the terrain is. Regulars call April still within the region's wetter stretch, the rainy period generally running December through April before conditions ease into a drier May. Posters describe daytime warmth as genuine even in April, evenings turning noticeably colder given the elevation, real layers standing advice regardless of the afternoon. Regulars call Kuelap, the walled fortress above town, worth the trip in any month, a cable car now covering a considerably longer approach. Posters recommend booking the flight well ahead given how limited seat capacity is. Regulars call a poncho and waterproof boots standing advice given the tail-end rains. The record: 19.6C days feeling like 21C, 11.9C nights, an extraordinarily high 247.4mm across nearly 29 days and 84 percent humidity.
ChachapoyasAprilRegular · April · 1 month ago · Read more on Tripadvisor ↗
Chachapoyas-forum threads on visiting Kuelap in March describe this as sitting solidly within the region's wetter stretch, real accumulation of precipitation typical from December through April with March landing right in the middle of it. Posters call the area genuinely warm by day and noticeably cool at night, a real temperature swing worth packing for regardless of the day's forecast. Regulars describe flight cancellations into the local airport as a real possibility this time of year, cloud cover a standing issue that can delay or reroute a trip. Posters recommend building a buffer day into any itinerary that depends on flying rather than driving in. Regulars call the Kuelap fortress and surrounding cloud forest worth the logistics regardless of the season. Posters recommend real waterproof gear as standing advice for any March visit here. The record: 19.5C days feeling like 21C, 12.1C nights, an extraordinarily high 345.1mm across 30 days and 86 percent humidity.
ChachapoyasMarchRegular · March · 1 month ago · Read more on Tripadvisor ↗
Chachapoyas-forum threads describe this northern Peru region as sitting outside the harsher rainy stretch by September, the classic wet season running roughly October through April with heavier downpours capable of turning trails to real mud. Posters call the shoulder period around September a genuine sweet spot, comparatively calmer conditions without the harshest rain risk of summer. Regulars describe temperatures as mild and comfortable year round given elevation, layering standing advice for cooler mornings and evenings. A real shower is possible on any given day even in the calmer stretch, posters recommending flexible plans around the Kuelap fortress and waterfalls. Regulars call the remoteness and thin crowds a genuine draw for travelers willing to accept some uncertainty. Posters call the road in still rough regardless of season, part of the adventure. The record: 20.1C days feeling like 20C, 10.7C nights, an extraordinarily high 140mm across 24 days and 76 percent humidity.
ChachapoyasSeptemberRegular · September · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Chachapoyas's card on the map.

Chachapoyas climate normals — August

Daytime high20°C / 68°F😎 nice
Nighttime low11°C / 51°F
Feels like (high)20°C / 68°F
Rainfall82 mm / 3.2 in🌧 rainy
Rainy days18 days
Humidity74%💧 humid
Dew point10°C / 49°F
Sunshine10.5 h/day
Daylight11.9 h
Wind9 km/h / 6 mph
Air quality (US AQI)36🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Chachapoyas in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsFiesta of the Virgen Asunta, Mid-year break (Fiestas Patrias) in Peru(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Chachapoyas's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherChachapoyas's weather peaks June–August, best around July.

August includes Fiesta of the Virgen Asunta.

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Best weatherFair weatherToughest weather

What's on in Chachapoyas in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Walking season for Kuélap and Gocta

    1 May – 30 Sep · usuallyTrail season

    The tracks to the ruined citadel and out to the Gocta falls turn to clay in the rains; between May and September they are walkable and the cloud lifts off the ridges for part of the day.

  • Festival

    Fiesta of the Virgen Asunta

    1–15 AugReligious feastCrowded

    The town's patron feast fills the first half of August with processions, dance contests and food fairs around the Plaza de Armas, closing with a procession to her sanctuary on the 15th. It lands in the dry season, so rooms are tighter than usual. Source ↗

What's on around the world in August →

Where is Chachapoyas?

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Chachapoyas in August — FAQ

Is August a good time to visit Chachapoyas?
August in Chachapoyas: nice, rainy, with clean air — fine if you can take 18 rainy days. It ranks #2 of 12 months for Chachapoyas on SeasonMap's comfort score (92/100).
What is the weather like in Chachapoyas in August?
In August, Chachapoyas averages a daily high of 20°C and a low of 10.5°C, with about 81.7 mm of rain over roughly 18 rainy days.
What is the air quality in Chachapoyas in August?
Chachapoyas has a mean US Air Quality Index of about 36 in August.