Kollam Temperature and Weather History

Kerala, India • Historical Climate Data for the Past 45 Years

Location: 8.8884°N, 76.6090°E

°C/°F
Wind

Kollam Climate Overview

Kollam, Kerala has an average annual temperature of 25.8°C, approximately 2018mm of rainfall per year, and average humidity of 81%. 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

🔥

March

Avg:28.5°C
Min:20.8°C
Max: 37.3°C

Coldest Month

❄️

December

Avg:24.3°C
Min:17.9°C
Max: 29.9°C

Wettest Month

💧

June

344 mm

Driest Month

🏜️

January

25 mm

Most Humid

💨

July

90%

Least Humid

🌬️

March

64%

Highest Ever

🌡️

39.0°C

April 2019

Lowest Ever

🧊

15.4°C

January 1999

🌡️Temperature Patterns

Monthly averages · 1981–2025 climate normals · °C

🌧️Rainfall Distribution

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

📖Kollam Monthly Temperature Guide

The temperature chart above displays the average monthly temperatures for Kollam based on 45 years of climate data. March is typically the hottest month with average temperatures reaching 28.5°C, while December is the coolest month with an average of 24.3°C. These temperature patterns are crucial for agricultural planning, tourism activities, and understanding seasonal variations in Kerala. 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 Kollam

In Kollam, June is the wettest month with an average of 344mm of rainfall, while January is the driest with just 24mm. This seasonal pattern is driven by the Indian monsoon and directly affects agriculture and water availability in Kerala. Humidity peaks in July at 90%, typically coinciding with the monsoon season.

Monthly Climate Data

View:
Month🌤️HighLowAvgHumid %Rain (mm)Wind (m/s)
Jan☀️32.5°C17.4°C24.7°C72%241.2
Feb🌞35.5°C18.6°C26.7°C64%271.1
Mar🌞37.3°C20.8°C28.5°C64%461.2
Apr☔36.7°C23.4°C28.2°C74%1261.3
May🌧️33.5°C23.5°C27.0°C82%2191.9
Jun🌧️29.6°C22.5°C25.5°C88%3442.3
Jul🌧️28.6°C21.9°C24.8°C90%2342.3
Aug🌧️28.8°C21.9°C24.7°C90%1972.2
Sep🌧️29.3°C22.0°C24.9°C89%2091.9
Oct🌧️30.0°C21.6°C25.0°C88%2871.4
Nov🌧️29.7°C19.8°C24.8°C86%2081.1
Dec☔29.9°C17.9°C24.3°C81%631.2

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 Kollam.

🌍 Climate Zone

Avg Annual Temperature:25.8°C
Avg Annual Rainfall:2018 mm
Data Period:1981 - 2025

🎈Explore Weather in Other Kerala Districts

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

Alappuzha
Kerala
Weather History →
Ernakulam
Kerala
Weather History →
Idukki
Kerala
Weather History →
Kannur
Kerala
Weather History →
Kasaragod
Kerala
Weather History →
Kottayam
Kerala
Weather History →
Kozhikode
Kerala
Weather History →
Malappuram
Kerala
Weather History →
Palakkad
Kerala
Weather History →
Pathanamthitta
Kerala
Weather History →

❓Frequently Asked Questions

The average annual temperature in Kollam, Kerala is 25.8°C based on 45 years of historical climate data from 1981 to 2025. The hottest month is typically March with an average of 28.5°C, while the coolest month is December with an average of 24.3°C.
June is typically the wettest month in Kollam with an average rainfall of 344mm. This is part of the monsoon season pattern in Kerala. The driest month is January with only 24mm of rainfall on average.
January is the driest month in Kollam, receiving only 24mm of rainfall on average. This is significantly lower than the wettest month (June), which receives 344mm. These dry periods are important for planning irrigation and water resource management in Kerala.
The highest recorded temperature in Kollam was 39.0°C in April 2019. 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 Kerala.
The lowest recorded temperature in Kollam was 15.4°C in January 1999. This cold temperature extreme, combined with the highest recorded temperature, shows the full temperature range experienced in the district over the past 45 years.
July has the highest humidity in Kollam, with an average relative humidity of 90%. 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 Kerala.
March has the lowest humidity in Kollam, with an average relative humidity of 64%. 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 Kollam 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 Kollam make informed decisions about crop selection, planting schedules, and irrigation planning. The monthly rainfall patterns show when water availability is highest (during June), 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 Kollam are typically those with moderate temperatures and lower rainfall. December through March offer varying experiences. For comfortable weather, consider visiting during months with temperatures around 25.8°C and lower humidity levels (March). Avoid the peak monsoon months if you prefer dry weather, particularly June 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 Kollam, Kerala • Data: NASA POWER • 1981-2025