Tilcara weather in May
May in Tilcara: nice, rainy, with clean air — an excellent time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#5 of 12 months in Tilcara · #239 of 1413 destinations to visit in May · comfort 89/100 (tier A)
- Days
- 20°C
- Nights
- 9°C
- Wet days
- 17
- Sun
- 9.8 h
- Humidity
- 50%
- Daylight
- 11 h

Traveller notes on Tilcara in May
Tilcara-forum trip reports describe the Quebrada de Humahuaca region as reliably pleasant even heading into the cooler months, posters calling the weather here genuinely good by comparison to the harsher conditions found elsewhere in the Andes at similar elevation. The narrow valley, lined by colorful high mountains with Route 9 running alongside the Rio Grande, is called striking regardless of exact travel dates within the favorable season. Tilcara itself is described as an attractive if somewhat dusty town on the valley's east side, a solid base for exploring both the town's own archaeological site and nearby Purmamarca. Posters call the temperature swing between day and night significant at this elevation, warm sun through the day giving way to a real chill once it sets, layers standing advice regardless of how the afternoon felt. The record: 19.8C days feeling like 18C, 8.8C nights, 50 percent humidity and 9.8 hours of sun.
Other months in Tilcara
Tilcara-forum threads on the wider Salta and Jujuy region in February describe this as genuinely within the peak wet season, posters calling real afternoon storms a standing feature this time of year across the northern provinces. Regulars call daytime warmth considerable regardless of the wetter pattern, the intense sun still demanding real sun protection between showers. Posters describe a typical system as dramatic but short-lived, clearing skies often returning within the hour. Regulars call unpaved roads into the hills genuinely more affected than main routes, checking conditions before any side trip standing advice. Posters recommend real layers for the swing between strong midday sun and cooler evenings. Regulars call the region's colorful rock formations especially vivid under February's clearer post-storm skies. The record: 21.3C days feeling like 23C, 13C nights, an extraordinarily high 305.6mm across 25 days and 83 percent humidity.
Tilcara-forum threads on the wider Jujuy region in March describe this as the tail end of the rainy season, posters calling wet days considerably fewer than the reputation suggests, roughly ten days with measurable rain across the month. Regulars call daytime temperatures mild and pleasant, the intense Andean sun still strong enough to warrant real sun protection despite the altitude keeping the air comfortable. Posters describe some visitors going stretches without a drop, others catching an afternoon downpour that clears within an hour. Regulars recommend layering for the swing between midday sun and evening chill. Posters call the colorful Quebrada de Humahuaca formations genuinely striking under March's clearer post-rain skies. Regulars recommend checking road conditions first, unpaved routes occasionally affected after a heavier system. The record: 21.2C days feeling like 22C, 12.4C nights, an extraordinarily high 324.7mm across nearly 27 days and 82 percent humidity.
Tilcara-forum threads recommending a late-June trip to the northwest call this genuinely one of the strongest windows for the region, days reliably sunny and pleasant even though posters are consistent nights turn properly cold at this elevation. Regulars call a real warm jacket essential for evenings, especially for anyone continuing on to the nearby salt flats where the cold runs even sharper after dark. Posters recommend real layering, a t-shirt-friendly midday giving way fast to a genuinely cold evening once the sun drops. Regulars call June among the best months for the wider Jujuy region, clear skies typical even as high-altitude cold sets in overnight. Posters recommend Tilcara alongside nearby Purmamarca and Humahuaca for a fuller itinerary. Regulars call the painted hillsides worth visiting regardless of the cold nights. The record: 18.8C days feeling like 16C, 6.6C nights, a low 33 percent humidity and 9.7 hours of sun.
Tilcara-forum threads comparing towns across the Quebrada de Humahuaca describe this as the more developed base of the three, better infrastructure and more dining options than smaller Purmamarca while still working well as a hub for exploring the wider valley. Posters call September through the following few months a genuinely favorable stretch, daytime temperatures comfortable though the roughly 2,400 meter elevation means a dramatic drop once the sun starts going down. Regulars describe evenings as turning noticeably cool fast, layering standing advice, a fleece and windproof shell recommended over the daytime t-shirt. Posters call the air here genuinely thin and clear this time of year, a real factor for anyone unused to altitude. Regulars recommend the colorful Cerro de los Siete Colores and the market as worthwhile stops regardless of exact dates. The record: 21.8C days feeling like 20C, 9C nights, a low 52 percent humidity and 10.8 hours of sun.
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Tilcara climate normals — May
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Tilcara in May
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.
Shoulder seasonan ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Tilcara'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).
Fair weatherTilcara's weather peaks June–August.
Best weatherFair weatherToughest weather
Nearby, and something's on
Within 300 km of Tilcara — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Tilcara?
Tilcara in May — FAQ
- Is May a good time to visit Tilcara?
- May in Tilcara: nice, rainy, with clean air — an excellent time to visit. It ranks #5 of 12 months for Tilcara on SeasonMap's comfort score (89/100).
- What is the weather like in Tilcara in May?
- In May, Tilcara averages a daily high of 19.8°C and a low of 8.8°C, with about 85.5 mm of rain over roughly 17.2 rainy days.
- What is the air quality in Tilcara in May?
- Tilcara has a mean US Air Quality Index of about 18 in May.
Within 300 km: San Pedro de Atacama's Stargazing and the moon on 1 Jan – 31 Dec.