Frost Dates for ASCENSION ISLAND, Saint Helena
Elevation: 82 m
Frost Dates
This location never reaches freezing temperatures, so you can plant year-round!
In tropical and subtropical climates, the main challenge isn’t frost — it’s heat and humidity. Learn more about gardening in tropical climates.
USDA Hardiness Zone
Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.Avg. annual minimum: 16 to 18°C
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.Very hot and extremely dry with minimal rainfall. Irrigation is essential for any gardening. Heat-tolerant crops and desert-adapted plants thrive; shade structures help in peak summer.
Temperature
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 25° | 24° | 24° |
| February | 26° | 25° | 25° |
| March | 26° | 26° | 26° |
| April | 27° | 26° | 26° |
| May | 26° | 26° | 25° |
| June | 25° | 25° | 24° |
| July | 24° | 24° | 23° |
| August | 23° | 23° | 23° |
| September | 23° | 23° | 22° |
| October | 23° | 23° | 22° |
| November | 23° | 23° | 23° |
| December | 24° | 24° | 23° |
Precipitation
Precipitation table
| Month | Precipitation |
|---|---|
| January | 0 |
| February | 0 |
| March | 0 |
| April | 5 |
| May | 0 |
| June | 0 |
| July | 0 |
| August | 0 |
| September | 0 |
| October | 0 |
| November | 0 |
| December | 0 |
Sunrise / Sunset
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 5:48 AM | 6:12 PM | 12h 25m |
| February | 5:52 AM | 6:08 PM | 12h 15m |
| March | 5:58 AM | 6:02 PM | 12h 03m |
| April | 6:05 AM | 5:55 PM | 11h 49m |
| May | 6:11 AM | 5:49 PM | 11h 38m |
| June | 6:14 AM | 5:46 PM | 11h 32m |
| July | 6:13 AM | 5:47 PM | 11h 35m |
| August | 6:08 AM | 5:52 PM | 11h 44m |
| September | 6:01 AM | 5:59 PM | 11h 58m |
| October | 5:55 AM | 6:05 PM | 12h 11m |
| November | 5:49 AM | 6:11 PM | 12h 22m |
| December | 5:46 AM | 6:14 PM | 12h 28m |
Plan Your Garden with Planter
Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.
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