Jantar Mantar, New Delhi
Delhi, India UNESCO World Heritage Site

Jantar Mantar is a historic site located in the New Delhi district. It is a UNESCO World Heritage Site, an NDMC Heritage Building Grade I, and a Monument of National Importance. It is ranked as the 38th most looked-up sight in India on English Wikipedia.
Planning a visit
The climate in the area varies by season. The hottest months are April, May, and June, with May reaching a high of 39 °C and June reaching 38 °C. July and August are the wettest months, with July seeing about 175 mm of rain and August seeing about 171 mm. The coolest months are December and January, with daily highs between 20 °C and 22 °C and daily lows between 8 °C and 10 °C. In November, the high is 27 °C and the low is 14 °C.
The site is located 2 km from New Delhi and 14 km from Indira Gandhi International Airport. Visits can be combined with several nearby locations, such as India Gate (2 km), Rashtrapati Bhavan (2.2 km), the Supreme Court of India (2.3 km), Gandhi Smriti (2.8 km), and Jama Masjid, Delhi (3.1 km). Jantar Mantar is open from sunrise to sunset. There is an entry fee, and wheelchair access is available.
Weather by month
The warmest month is May, with an average high of 39 °C. The wettest is July, with about 175 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 20 | 23 | 29 | 36 | 39 | 39 | 34 | 33 | 33 | 32 | 27 | 22 |
| Average low, °C | 8 | 10 | 15 | 20 | 25 | 28 | 27 | 26 | 24 | 19 | 14 | 9 |
| Rainfall, mm | 16 | 21 | 12 | 15 | 32 | 65 | 175 | 171 | 118 | 11 | 6 | 7 |
| Rainy days | 4 | 2 | 4 | 3 | 5 | 9 | 22 | 19 | 12 | 2 | 1 | 1 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.