United States Virgin Islands Power Outage Season
When outages happen most in United States Virgin Islands, and what to expect.
September is historically United States Virgin Islands's busiest month for recorded power outages, part of a summer season (June–August) that accounts for about 32% of all recorded outages statewide, averaging 2.4 hours per event. 2 of United States Virgin Islands's 3 tracked counties currently carry a Reliability Grade of F.
Your support helps keep this site running at zero extra cost to you! As an Amazon Associate, we earn from qualifying purchases.
United States Virgin Islands outages by month
Total recorded events and average duration per event, summed across every tracked county in United States Virgin Islands.
Peak season insight
United States Virgin Islands's outage season runs June–August, accounting for 32% of all recorded outages. September has the highest frequency.
Month-by-month data table
| Month | Events | Avg duration |
|---|---|---|
| January | 157 | 1.9 hrs |
| February | 153 | 1.6 hrs |
| March | 159 | 1.7 hrs |
| April | 190 | 2.0 hrs |
| May | 280 | 2.7 hrs |
| June | 337 | 3.0 hrs |
| July | 322 | 1.9 hrs |
| August | 298 | 4.9 hrs |
| September | 383 | 3.5 hrs |
| October | 292 | 3.9 hrs |
| November | 278 | 2.7 hrs |
| December | 174 | 1.9 hrs |
This month in United States Virgin Islands
October has historically recorded 292 outage events across United States Virgin Islands, above the state's typical monthly average. Outages that start in October have averaged 3.9 hours.
Main causes by season
Named storms behind United States Virgin Islands's worst recorded outages, from the NOAA Storm Events Database.
Summer (June–August)
- Drought
United States Virgin Islands's worst outage events on record
The five largest outages in United States Virgin Islands by duration and customers affected.
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 4, 2020 | 16 hrs | 22,631 (100%) | Unnamed event |
| Jun 18, 2021 | 12 hrs | 22,620 (100%) | Unnamed event |
| Jan 11, 2021 | 9 hrs | 22,564 (99%) | Unnamed event |
| Jul 26, 2022 | 7 hrs | 27,236 (88%) | Drought |
| Dec 15, 2020 | 6 hrs | 22,647 (100%) | Unnamed event |
Highest-risk counties in United States Virgin Islands
Lowest reliability percentile among United States Virgin Islands's tracked counties.
| County | Grade | National percentile |
|---|---|---|
| St. Thomas County | F | 2nd |
| St. Croix County | F | 3rd |
Live weather alerts for United States Virgin Islands
There are no active National Weather Service alerts for United States Virgin Islands right now.
These live alerts come from the National Weather Service. They are public-safety information, not an outage prediction.
United States Virgin Islands power outage FAQ
When do power outages happen most in United States Virgin Islands?
September is historically the busiest single month for recorded outages in United States Virgin Islands, and Summer (June–August) accounts for about 32% of all recorded outages across the state.
How long do power outages in United States Virgin Islands typically last?
Across United States Virgin Islands's tracked counties, the average recorded outage lasts about 2.4 hours, though individual events -- especially named storms -- can run much longer.
Which counties in United States Virgin Islands have the highest outage risk?
St. Thomas County, St. Croix County currently rank lowest for reliability in United States Virgin Islands. See each county's page for its full history.
Does this page predict a power outage in United States Virgin Islands?
No. It describes patterns in recorded county-level outage history, not a guaranteed future event. Check the live National Weather Service alerts below for current conditions.
Prepare for United States Virgin Islands's outage season
Sized for United States Virgin Islands's recorded outage frequency and duration.
