When do tornadoes happen in the United States?
The United States averaged 1,254 tornadoes a year over these 30 years; May alone brought 281 of them, February only 38.
What does this axis measure?
Tornadoes per month (count)
What does this axis measure?
Month
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- y ↑
- Tornadoes per month (count)
- x →
- Month
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What's going on here
Each bar is one month, averaged over the years 1995 to 2024. The United States averaged 1,254 tornadoes a year over these 30 years, and the chart is a visual way to see which parts of the year they are most concentrated.
Where the data comes from
NOAA/NWS Storm Prediction Center, Severe Weather Database, at spc.noaa.gov. The monthly averages are calculated by Unlabeled. Licence: public domain (U.S. government work).
The data: 12 points
| Month | Tornadoes per month (count) |
|---|---|
| 1 | 44.5 |
| 2 | 37.6 |
| 3 | 90.7 |
| 4 | 190.5 |
| 5 | 280.8 |
| 6 | 194.7 |
| 7 | 113.5 |
| 8 | 81.9 |
| 9 | 63.8 |
| 10 | 62.3 |
| 11 | 51.6 |
| 12 | 42 |
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