Munnar experiences significant rains and foggy conditions throughout the monsoon season (June–September). Indeed, the monsoon season isn't exactly peak tourist season in Munnar, but it might be a wonderful choice for those who wish to beat the crowds without missing out on the region's distinctive ambiance. Munnar's hills and trees become a carpet of green during the monsoon season, creating a beautiful scene. The region's waterfalls are at their most impressive after a monsoon rainstorm.

Near Munnar, you'll find the Cheeyappara and Valara waterfalls, where you can see the water crashing down the slopes in a mighty torrent. The misty, colder weather is perfect for reading a book by the fire or taking a long walk in the hills. For the most part, the severe rain during the monsoon season in Munnar is not ideal for those who prefer to spend their time outside. If you don't mind a little drizzle and want to take things easy, though, you might enjoy a trip then. Just remember to pack your rain gear and be ready for wet conditions.

The months of March through May, known as Munnar's "summer," are ideal for visiting the area. Temperatures during this period are generally mild, between 20 and 30 degrees Celsius. Weather in Munnar is ideal right now, with largely sunny skies and no chance of rain. Munnar's summers are especially popular due to the once-every-12-year blooming of the Neelakurinji flowers. In the highlands of Munnar, in the Eravikulam National Park, you can view these intensely blue flowers in full bloom.

In addition to its natural beauty, the park is also home to a wide variety of fauna, including the Nilgiri Tahr, a species of mountain goat that can only be found in the Western Ghats. The tea plantations are another popular activity for tourists in Munnar. The vista of rolling hills covered in tea plantations is very magnificent. Outdoor activities like rock climbing and trekking are particularly enjoyable during Munnar's warm summers. If you want to see Munnar at its best and appreciate its natural beauty and culture, the summer months are your best bet.

The temperature in Munnar is cool and pleasant throughout the winter, making it one of the ideal times to visit. Weather during this period is variable but typically falls between 10 and 20 degrees Celsius, with occasional bursts of frigid gusts. The days are sunny and the sky is typically clear, making it an ideal time to go sightseeing. Seeing the Munnar region's famed tea plantations in full bloom during the winter months is a highlight of any trip there. This is when the tea leaves are harvested, so the plantations are bustling with activity.

One can take a tour of the tea estates and marvel at the verdant rolling hills where the tea is grown. If you visit Munnar in the winter, you can also go hiking. It is the perfect time of year to take advantage of the region's lovely trails and woodlands, thanks to the cooler temperatures and clear skies. The Nilgiri Tahr, a kind of mountain goat, is critically endangered and can be seen in Eravikulam National Park. More than 260 different kinds of birds and mammals, including elephants and leopards, call the park home.