Frost Dates for Flinders Island Airport, TAS
Elevation: 9 m
Frost Dates
Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide.
September 9
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date.
June 1
30% Probability
Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost
September 23
First Fall Frost
May 20
Growing Season
265 Days
September 9 to June 1
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.Zone 9b
Avg. annual minimum: −4 to −1°C
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Cfb
Oceanic (Marine West Coast)
Mild year-round with cool summers and wet winters. Excellent for cool-season crops like brassicas, peas, and root vegetables. Extended harvest seasons but summer heat-loving crops may struggle.
Temperature
5°
10°
15°
20°
25°
Avg High
Avg Temp
Avg Low
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 23° | 18° | 14° |
| February | 23° | 19° | 14° |
| March | 21° | 17° | 13° |
| April | 19° | 15° | 11° |
| May | 16° | 13° | 9° |
| June | 14° | 11° | 7° |
| July | 14° | 10° | 7° |
| August | 14° | 10° | 7° |
| September | 15° | 12° | 8° |
| October | 17° | 13° | 9° |
| November | 19° | 15° | 11° |
| December | 21° | 17° | 12° |
Precipitation
0 mm
20 mm
40 mm
60 mm
80 mm
Precipitation table
| Month | Precipitation |
|---|---|
| January | 46 |
| February | 23 |
| March | 36 |
| April | 51 |
| May | 71 |
| June | 71 |
| July | 74 |
| August | 76 |
| September | 69 |
| October | 46 |
| November | 58 |
| December | 58 |
Sunrise / Sunset
Daylight
Longest: 14h 51m · Shortest: 9h 09m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 4:43 AM | 7:17 PM | 14h 33m |
| February | 5:14 AM | 6:46 PM | 13h 32m |
| March | 5:50 AM | 6:10 PM | 12h 19m |
| April | 6:32 AM | 5:28 PM | 10h 56m |
| May | 7:07 AM | 4:53 PM | 9h 47m |
| June | 7:25 AM | 4:35 PM | 9h 10m |
| July | 7:18 AM | 4:42 PM | 9h 25m |
| August | 6:48 AM | 5:12 PM | 10h 25m |
| September | 6:07 AM | 5:53 PM | 11h 45m |
| October | 5:27 AM | 6:33 PM | 13h 05m |
| November | 4:52 AM | 7:08 PM | 14h 16m |
| December | 4:35 AM | 7:25 PM | 14h 50m |
Nearby Stations
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.
Try Planter For FreeAvailable everywhere: iOS, Android, web, and more!
