In Peru, aiming for a visit in the dry months - May to October - works well for most destinations. This time of year enjoys the best trekking conditions with no water-logged trails and cooler temperatures so Machu Picchu, the Sacred Valley and areas surrounding Lake Titicaca are definitely on the cards. However, the rest of the world thinks so too and tourist numbers are high, so EARLY booking is crucial. As the year comes to an end, the cloud forests become a flurry of birdlife and orchids. December to March bring the rain and heat to most of Peru, so it's a good time to head to the coast, which enjoys a cooler ocean breeze and pleasant weather. Get to know Lima and explore the desert region of Paracas - and its surreal geoglyphs. Although the Amazon receives high rainfall, it is beautiful at this time of year and there are usually breaks in the showers.