About truthclimate
Exploring historical weather and climate trends in your area and around the world.
Why I Built This
I keep hearing statements like "Earth's temperature has risen 0.06°C per decade since 1850" or "temperature increases must be limited to 1.5°C above pre-industrial levels," and every year seems to be the hottest ever recorded. That made me wonder what that actually means for me personally. Has my hometown really gotten warmer? How much warmer do summers actually get? How is my situation, where I live, compared to other cities, regions, countries?
Global or national averages don't tell much about your specific location. Some places change faster, others slower. I wanted to see actual numbers for real places, not just read about global trends in the news.
So I built this tool to explore historical weather data and see what has actually been going on in different cities over the past few decades. Only facts, just the raw data presented in a way that's easy to explore and understand.
What You Can Explore
The site pulls together decades of historical weather records from cities worldwide. I'm presenting it in a straightforward way so you can quickly see patterns and trends that matter to you.
Temperature Changes
- How much warmer (or cooler) it's gotten over different time periods
- Seasonal patterns - winter, spring, summer, and fall temperature trends
- Hot days - how many days above 30°C, 35°C, or even 40°C
- Frost days - how often it drops below freezing
- Temperature extremes and what's normal for your area
Rain and Snow Patterns
- Whether your area is getting more or less precipitation
- Seasonal precipitation - winter, spring, summer, and fall rainfall trends
- Heavy rainfall events - days with significant downpours
- How wet and dry periods have changed over time
You can click anywhere on the map to see data for that location. Each place has interactive charts and cards that let you explore different time periods - from recent 3-year trends to longer 20-year climate patterns.
It's pretty interesting, and sometimes surprising, to browse around and see which places have had the most dramatic changes, and which have stayed relatively stable. The data is sourced from reliable historical weather information covering locations around the world.
What's Next & How to Get Involved
This is just the starting point. There's tons more climate data waiting to be explored and many more features planned. I'm continuously adding new locations and expanding the analysis to cover topics like outdoor activities (hiking and sports conditions), agriculture (growing seasons and crop impacts), health (heat stress and air quality), and other areas where climate directly affects daily life.
Every location has its own climate story. The more places people explore, the better picture everyone gets of how our climate is changing at the local level. Thanks for taking a look around!