Choose a Country
Select a country to explore its regions, states, and cities
What is Weather & Temperature History?
Weather history is the systematic recording of past atmospheric conditions — temperature, rainfall, humidity, wind speed, and more — over months and years. Unlike a weather forecast (which predicts what will happen), historical climate data tells you what didhappen, building a reliable picture of a location's true climate.
WeatherBlaze's database provides over 40 years of scientifically validated climate data, sourced from NASA POWER since 1981. Every record is derived from satellite-based reanalysis — globally consistent, free from station gaps, and updated through 2024.
What You'll Find on This Website
Everything you need to understand a city's climate — past and present
Temperature Records
Monthly average highs and lows for every city, going back to 1981. Identify the hottest summers and coldest winters.
Rainfall Patterns
Annual precipitation totals and monthly breakdowns. Understand monsoon seasons, dry spells, and year-to-year variation.
Humidity & Wind Data
Relative humidity averages and wind speed measurements by month, giving a complete picture of what the weather actually feels like.
Interactive Charts
Visualise temperature trends, rainfall comparisons, and year-by-year changes with easy-to-read charts.
City-Level Detail
Drill down from country → region → city to get precise historical data for the exact location you care about.
Climate Extremes
Quickly find the hottest, coldest, wettest, and driest cities in any country with ranked extreme climate summaries.
Understanding Climate Change Through Historical Data
A 40-year dataset is long enough to reveal meaningful climate evolution. By comparing temperature averages from the 1980s with those from the 2010s and 2020s, patterns emerge: warming trends in average highs, shifting monsoon windows, and more frequent extreme temperature events.
WeatherBlaze doesn't just show snapshots — the year-by-year charts let you trace these changes yourself, city by city, month by month. Whether you're a researcher, a farmer planning crop cycles, or simply curious about your hometown's climate history, the data is here and free to explore.
How to Navigate This Website
Three simple steps to find the climate data you need
Choose a Country
Start by selecting a country from the cards below. You'll see a climate overview and the most extreme cities.
Pick a Region
Browse the states, provinces, or regions within that country to narrow your search.
Explore a City
Select any city to see its full climate history — monthly averages, yearly charts, and seasonal breakdowns.
🛰️ About the data — All climate records come from NASA POWER(Prediction Of Worldwide Energy Resources), a MERRA-2 satellite reanalysis dataset covering the Earth's surface with consistent, high-quality measurements from 1981 to present.
Frequently Asked Questions
What is the difference between weather and climate?
Where does this weather data come from?
How far back does the data go?
Which countries are available?
Is the data free to use?
Ready to explore the climate?
Pick any country below and start exploring historical temperature, rainfall, and climate data going back 40+ years.
Free · No account required · Data from NASA POWER