| Thiruvarambu | |
| Settlement Type: | town |
| Pushpin Map: | India Tamil Nadu#India3 |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Tamil Nadu, India |
| Coordinates: | 8.3639°N 77.2653°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type2: | District |
| Subdivision Name2: | Kanyakumari |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Tamil, Malayalam |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 629161 |
| Registration Plate: | TN 75 |
| Blank1 Name Sec1: | Nearest city |
| Blank1 Info Sec1: | Marthandam |
| Blank2 Name Sec1: | Lok Sabha constituency |
| Blank2 Info Sec1: | Kanniyakumari |
| Blank3 Name Sec1: | Vidhan Sabha constituency |
| Blank3 Info Sec1: | Padmanabhapuram |
Thiruvarambu is one among the town of Thiruvattar town panchyat. The Thirparappu Falls is 3 km from Thiruvarambu. This having a canal like stream originated from some of the dams (Pechiparai, Perunchani, Kodaiyyar and so on) which provides more enough water to this village. Hence they plant banyan, coconut, banana, rubber, tapioca and other pulses such as pepper.
Thiruvarambu is located 40 km south of the Trivandrum Metropolitan Region and 35 km from Nagercoil the nearest city. Thiruvarambu is only 12 km away from the commercial towns of Marthandam, 17 km from Thuckalay, 14 km from Kaliyikkavilai-Kerala State border. Two major motorways connect Thiruvarambu to Trivandrum; the National Highway 66 and the Vizhinjam Harbour - Beach Road. The Hill Road which runs through Nedumangadu is also used by some commuters due to heavy traffic congestion in the 2 main roads particularly during peak hours.
Thiruvarambu has a same climate changes like Kerala. It has a climate that borders between a tropical savanna climate and a tropical monsoon climate. As a result, it does not experience distinct seasons. The mean maximum temperature 34 °C and the mean minimum temperature is 21 °C. The humidity is high and rises to about 90% during the monsoon season. The dry season sets in by December. December, January and February are the coolest months while March, April and May are the hottest. The lowest temperature in the city core recorded during winter was 16.4 °C on, and the highest temperature recorded in summer is 38.0 °C.[62]. It rains more often in Kanyakumari district than in any other part of Tamil Nadu, with the exception of Chennai.
Like Trivandrum/Kerala, Thiruvarambu has high standards of living, top quality medical/educational facilities, low corruption rates and a very stable economy without industrialization activities. Remittances from the Middle East / North Africa / Europe / Singapore and Malaysia add to the steady economy of the region. Rubber plantations and trade constitute the majority of the business in Thiruvarambu. Almost everyone deals with rubber in their day-to-day life, as either planters or workers.
The nearest railway station from Thiruvarambu is Kuzhithurai(KZT) which is just 12 km away. Several trains to Trivandrum, Nagercoil, Chennai, Madurai, and Mumbai are operated. One must reach Nagercoil(NCJ) or Trivandrum(TVC)for getting long-distance train and the trains which don't have halt in Kuzhithurai.
Thiruvarambu is served by Trivandrum International Airport which is approximately 45 km away. Thiruvarambu Town is only 12 km away from the southern border of Trivandrum Metropolitan Region and hence considered one of its suburbs even though it lies across the state border. Both Kerala and Tamil Nadu government operates several bus services between the two cities apart from numerous private bus and taxi operators.
The city has many Temples and Churches.
Churches:
Temples:
The Hindu religious people celebrate Pongal, Deepavali, Saraswati Pooja, Ayutha Pooja, Sivarathri, and other deity festivals.
The Christians celebrate Christmas with United Christians Organization, Church Festivals, Easter and other related festivals. Dalits who live in this area celebrate Ambedkar Jeyanthi, Budh poornima, Ayyankali day and Rettaimalai seenivasan gurupooja.