Ramanathapuram Temperature and Weather History

Tamil Nadu, India • Historical Climate Data for the Past 45 Years

Location: 9.3635°N, 78.8410°E

°C/°F
Wind

Ramanathapuram Climate Overview

Ramanathapuram, Tamil Nadu has an average annual temperature of 28.0°C, approximately 1053mm of rainfall per year, and average humidity of 73%. This page covers 45 years of historical climate data (1981–2025) sourced from NASA POWER — including monthly temperatures, rainfall, humidity, and wind speed with interactive charts and year-by-year records.

☀️

Quick Climate Facts

(1981 - 2025)

Hottest Month

🔥

April

Avg:30.3°C
Min:25.7°C
Max: 37.3°C

Coldest Month

❄️

December

Avg:25.3°C
Min:20.4°C
Max: 30.3°C

Wettest Month

💧

November

209 mm

Driest Month

🏜️

February

20 mm

Most Humid

💨

November

83%

Least Humid

🌬️

March

65%

Highest Ever

🌡️

39.6°C

April 1991

Lowest Ever

🧊

17.7°C

January 1990

🌡️Temperature Patterns

Monthly averages · 1981–2025 climate normals · °C

🌧️Rainfall Distribution

Monthly rainfall · 1981–2025 seasonal trends · mm/month

📖Ramanathapuram Monthly Temperature Guide

The temperature chart above displays the average monthly temperatures for Ramanathapuram based on 45 years of climate data. April is typically the hottest month with average temperatures reaching 30.3°C, while December is the coolest month with an average of 25.3°C. These temperature patterns are crucial for agricultural planning, tourism activities, and understanding seasonal variations in Tamil Nadu. The temperature range between maximum and minimum values helps identify the best months for outdoor activities and provides insights into the region's climate classification.

🌬️Wind Speed Patterns

Monthly wind speed · 1981–2025 · m/s

💧Humidity Patterns

Avg relative humidity · 1981–2025 · %

💧Monsoon & Rainfall Patterns in Ramanathapuram

In Ramanathapuram, November is the wettest month with an average of 209mm of rainfall, while February is the driest with just 21mm. This seasonal pattern is driven by the Indian monsoon and directly affects agriculture and water availability in Tamil Nadu. Humidity peaks in November at 83%, typically coinciding with the monsoon season.

Monthly Climate Data

View:
Month🌤️HighLowAvgHumid %Rain (mm)Wind (m/s)
Jan🌞31.2°C20.0°C25.4°C76%283.9
Feb🌞33.8°C20.7°C26.9°C69%213.6
Mar🌞36.5°C22.7°C29.1°C65%223.1
Apr37.3°C25.7°C30.3°C67%652.9
May37.0°C25.7°C30.1°C70%814.1
Jun35.6°C24.7°C29.0°C73%774.8
Jul35.3°C24.4°C28.7°C71%644.3
Aug35.5°C24.3°C28.6°C72%654.1
Sep35.1°C24.2°C28.5°C74%1133.8
Oct🌧️33.5°C23.6°C27.6°C79%1892.9
Nov🌧️31.1°C21.7°C26.3°C83%2093.1
Dec30.3°C20.4°C25.3°C82%1023.9

Showing average climate conditions across 45 years (1981-2025)

📊 About Monthly Averages

This view shows climate patterns averaged across all 45 years of data (1981-2025). Each data point represents the typical weather for that month, helping you understand seasonal patterns and plan visits to Ramanathapuram.

🌍 Climate Zone

Avg Annual Temperature:28.0°C
Avg Annual Rainfall:1053 mm
Data Period:1981 - 2025

🎈Explore Weather in Other Tamil Nadu Districts

View historical climate data for other districts in Tamil Nadu. Compare temperature patterns, rainfall trends, and weather statistics across the region.

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Frequently Asked Questions

The average annual temperature in Ramanathapuram, Tamil Nadu is 28.0°C based on 45 years of historical climate data from 1981 to 2025. The hottest month is typically April with an average of 30.3°C, while the coolest month is December with an average of 25.3°C.
November is typically the wettest month in Ramanathapuram with an average rainfall of 209mm. This is part of the monsoon season pattern in Tamil Nadu. The driest month is February with only 21mm of rainfall on average.
February is the driest month in Ramanathapuram, receiving only 21mm of rainfall on average. This is significantly lower than the wettest month (November), which receives 209mm. These dry periods are important for planning irrigation and water resource management in Tamil Nadu.
The highest recorded temperature in Ramanathapuram was 39.6°C in April 1991. This extreme temperature event is part of the historical climate record spanning from 1981 to 2025 and helps us understand the range of weather conditions that can occur in Tamil Nadu.
The lowest recorded temperature in Ramanathapuram was 17.7°C in January 1990. This cold temperature extreme, combined with the highest recorded temperature, shows the full temperature range experienced in the district over the past 45 years.
November has the highest humidity in Ramanathapuram, with an average relative humidity of 83%. This often coincides with the monsoon season when moisture levels are at their peak. High humidity affects how temperature is perceived and can impact agriculture, health, and daily comfort in Tamil Nadu.
March has the lowest humidity in Ramanathapuram, with an average relative humidity of 65%. These drier months typically occur outside the monsoon season and can be more comfortable for certain outdoor activities and agricultural operations.
All weather and climate data for Ramanathapuram is sourced from NASA POWER (Prediction of Worldwide Energy Resources), which provides reliable meteorological data from NASA research. The data is based on the MERRA-2 Reanalysis with a spatial resolution of 0.5° x 0.625° and covers the period from 1981 to 2025. This ensures high-quality, scientifically validated climate information for research, planning, and decision-making purposes.
This comprehensive weather history can help farmers in Ramanathapuram make informed decisions about crop selection, planting schedules, and irrigation planning. The monthly rainfall patterns show when water availability is highest (during November), while temperature trends help determine suitable growing seasons for different crops. The 45-year dataset also helps identify long-term climate shifts that may require adaptation in farming practices. Consider factors like average humidity, wind speed, and temperature ranges when planning agricultural activities.
Based on the climate data, the most pleasant months to visit Ramanathapuram are typically those with moderate temperatures and lower rainfall. December through April offer varying experiences. For comfortable weather, consider visiting during months with temperatures around 28.0°C and lower humidity levels (March). Avoid the peak monsoon months if you prefer dry weather, particularly November which receives the most rainfall. However, the monsoon season can be beautiful for those who enjoy lush green landscapes and don't mind occasional rain.

📚 Data Source

All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a project providing solar and meteorological data sets from NASA research for support of renewable energy, building energy efficiency, and agricultural needs.

Parameters included:
  • Temperature (Min, Max, Average)
  • Precipitation (Rainfall)
  • Relative Humidity
  • Wind Speed
Data specifications:
  • Temporal Resolution: Monthly
  • Spatial Resolution: 0.5° x 0.625°
  • Source: MERRA-2 Reanalysis
  • Coverage: 1981-2025

Historical weather data for Ramanathapuram, Tamil Nadu • Data: NASA POWER • 1981-2025