Summer and the harvest
In the southern hemisphere the grape harvest is concentrated toward the end of summer and the start of autumn, depending on the grape and the area. It is a period of intense activity: grapes are picked in the vineyards, wineries receive the fruit and the whole region takes on a festive mood. For anyone who enjoys seeing wine begin its life, it is a very special moment.
Summer also brings strong heat during the middle of the day, so it is wise to keep longer visits for the morning or late afternoon and look for shade, galleries and cool rooms. Since this is high season, tours, lunches and accommodation fill up earlier: ask for space well in advance, especially if you want one particular experience.
Autumn: vineyards in color
Once the harvest ends, the vine leaves change color and the landscape turns ochre, reddish and golden. It is a favorite season for travelers who want to take photographs, walk between the rows and chat calmly at the wineries, because the pace has relaxed and the daytime weather is usually pleasant.
In this season you can still see part of the cellar work, such as winemaking and early racking, depending on what each place offers. Lunches in gardens and on terraces remain very comfortable, and demand is somewhat lower than in summer, so it is often easier to secure the time slot you prefer.
Winter and the snow-capped Andes
In winter the vines are bare, but the scenery gains another appeal: the Andes with snow in the background, visible from many wineries when the sky is clear. It is a time for more contemplative visits, with tastings in warm rooms, by fireplaces and at indoor tables, ideal for full-bodied reds.
Mornings and nights are cold, so bring warm clothing, although there is often sun at midday. Winter also pairs well with the mountains: many travelers combine winery days with excursions to the high Andes. Always check road conditions and the status of services before heading out.
Spring: buds and clear skies
In spring the vine wakes up: green buds appear, winery gardens bloom and the light is very clear. It is a balanced season, with mild conditions for walking among the vineyards and without the pressure of high season, which suits anyone wanting a quiet and photogenic visit.
Keep in mind that the weather can change quickly, and wind or an isolated storm is possible. Pack a light layer and check the forecast the day before. If your dates match a long weekend or a public holiday, activity rises and it is worth booking earlier.
Long weekends and how to book
Holidays and long weekends bring many visitors, both Argentine and international. On those dates the most sought-after wineries, vineyard restaurants and transport options fill up quickly. If your trip falls on one of them, decide on your priority wineries early and confirm each reservation through official channels.
A good approach is to build the plan with some slack: book what matters most first, leave one flexible day and keep alternatives in case something is full. During the week there are usually fewer people, so visits feel more personal. Always check opening days and hours, since they can vary.
Frequently asked questions
What is the best time to visit wineries in Mendoza?
It depends on what you want: late summer and early autumn bring the harvest, autumn offers color and calm, and winter adds the snowy Andes. There is no bad season, only different styles of visit.
Should I book if I travel in the low season?
Yes. At any time of year it is advisable to reserve tours and lunches, because many wineries work with limited places. In the low season you simply have more room to choose days and times.
Can I visit wineries during the harvest?
Many wineries welcome visitors during the harvest, although some adjust their tours because of the picking work. Check what each one offers and book ahead, since it is one of the busiest periods.
What should I pack for each season?
In summer, light clothing, a hat and sunscreen; in autumn and spring, an extra layer; in winter, warm clothes for mornings and nights. Comfortable shoes help all year for walking between vines.