The best time to go to La Unión, Valle del Cauca, Colombia, is during the dry season, which typically runs from December to March and again from July to August.During these months, you'll experience less rainfall and more sunshine, making it ideal for exploring the coffee plantations and enjoying outdoor activities comfortably. The weather is generally warm and pleasant, around 24-28°C (75-82°F), which is superb for those who appreciate clear skies and comfortable conditions for sightseeing. This period is particularly good for couples looking for a relaxed trip without the disruption of heavy rains.For travellers interested in the coffee harvest, the main picking season in Valle del Cauca usually occurs between March and May, and again from September to November. While these months see more rain, visiting during harvest time offers a unique opportunity to see the coffee production process firsthand. Some coffee estates offer guided tours where you can learn about cultivation, processing, and even participate in a tasting session.