Mid-summer · Weather & things to do
Valle de Uco in January
Valle de Uco's warmest month brings highs averaging 90°F (32°C), lows of 64°F (18°C) and about 1.3 in (32 mm) of rain.
Its comfort score of 72/100 is still Good, though it ranks 12th of 12 here.

- Avg high
- 90°F (32°C)
- Avg low
- 64°F (18°C)
- Rain
- 1.3 in (32 mm)
- Humidity
- 45%
- Cloud cover
- 53%
- Daylight
- ~14 h
- Comfort score
- 72/100 · Good
What January feels like
Expect proper heat: afternoons average 90°F (32°C), so plan walking and hiking for the morning and save midday for shade, lunch or a swim.
Mornings start much cooler: lows average 64°F (18°C), about 15°C (26°F) below the afternoon high.
About 1.3 in (32 mm) of rain falls in a typical year's January.
Plan around January
January is one of the lower-scoring months here; the best are March – May and August – October.
- Start of the wettest three-month stretch (January – March), which brings about 3.6 in (92 mm) in total.
- Comfort slips from 76/100 in December to 72/100.
- Our Buenos Aires, Mendoza & Iguazú route recommends Mar – May, Sep – Nov, so January falls outside its suggested window.
What to pack for January
- Light, breathable clotheshighs average 90°F
- Sunscreen, sunglasses and a hathigh UV on clear days
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningslows near 64°F
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Valle de Uco in January
Start early and take shelter at midday: the picks below pair morning outings with places to cool off.
Manzano Histórico
Historic reserve in the Andes foothills marking San Martín's 1823 return, with streams and trails.
Why now January scores 72/100 for comfort, good conditions for being outside.
Ruta del Vino del Valle de Uco
Scenic drive along Ruta 89 and Ruta 94 between vineyards, poplar rows and Andean peaks.
Why now Highs near 90°F and 1.3 in of monthly rain make this an easy outdoor pick.
Zuccardi Valle de Uco
Stone winery in Paraje Altamira built from local rock, with tastings and the Piedra Infinita restaurant.
Why now A break from 90°F afternoons.
Bodegas Salentein
Cross-shaped winery with the Killka cultural center and art gallery, set against the Andes.
Why now Somewhere to sit out the hottest hours.
Nearby in January
- Mendoza in January~54 mi · highs 93°F, 1.9 in rain · 2°C (3°F) warmer by day, wetter
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~2,486 m to Valle de Uco's ~983 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Valle de Uco in January: quick answers
Is January a good time to visit Valle de Uco?
It's one of the tougher months here, scoring 72/100, held back mainly by heat. The best months are March – May and August – October. Expect highs of 90°F (32°C) and 1.3 in (32 mm) of rain. Our Buenos Aires, Mendoza & Iguazú route recommends Mar – May, Sep – Nov, so January is outside its suggested window.
How hot is Valle de Uco in January?
Average highs are 90°F (32°C) and average lows 64°F (18°C), making it the warmest month by daytime highs.
Does it rain a lot in Valle de Uco in January?
Not much: about 1.3 in (32 mm) of rain falls across January on average, the 2nd-wettest month of the year. The annual total is about 11.3 in (287 mm).
What should I pack for Valle de Uco in January?
Bring light, breathable clothes (highs average 90°F), sunscreen, sunglasses and a hat (high UV on clear days), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (lows near 64°F) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Valle de Uco
Planning Valle de Uco in January?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.




