Back to Tropical Cyclones
Records Page | Back
to Main FAQ Page
Subject: E17) How many hurricanes have there been in each month?
Contributed by Chris Landsea
This table shows the total and average
number of tropical storms, and those which became hurricanes, by
month, for the period 1851-2011. It also shows the monthly total
and average number of hurricanes to strike the U. S. since 1851.
Total and Average Number of Tropical Storms by Month
(1851-2011)
| Month |
Tropical Storms |
Hurricanes |
U.S. Landfalling
Hurricanes |
| Total | Average | Total | Average | Total | Average |
| JANUARY | 2 | * | 1 | * | 0 | * |
| FEBRUARY | 1 | * | 1 | * | 0 | * |
| MARCH | 1 | * | 1 | * | 0 | * |
| APRIL | 1 | * | 0 | * | 0 | * |
| MAY | 18 | 0.1 | 4 | * | 0 | * |
| JUNE | 82 | 0.5 | 32 | 0.2 | 19 | 0.12 |
| JULY | 114 | 0.7 | 54 | 0.3 | 25 | 0.15 |
| AUGUST | 362 | 2.3 | 229 | 1.4 | 76 | 0.48 |
| SEPTEMBER | 555 | 3.5 | 385 | 2.4 | 104 | 0.67 |
| OCTOBER | 323 | 2.0 | 195 | 1.2 | 51 | 0.33 |
| NOVEMBER | 87 | 0.5 | 57 | 0.3 | 5 | 0.03 |
| DECEMBER | 16 | 0.1 | 6 | * | 0 | * |
|
| YEAR | 1561 | 9.7 | 965 | 6.0 | 280 | 1.78 |
|
* Less than 0.05.
Excludes subtropical storms
Last Revised: May 31, 2012
Back to Tropical Cyclones
Records Page | Back
to Main FAQ Page
|
