Frost Dates for Tidbinbilla Nature Reserve, NSW

Elevation: 700 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. October 22
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. April 9

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 October 28
First Fall Frost March 20

Hard Freeze (−2°C)

Last Spring Hard Freeze September 6
First Fall Hard Freeze May 21
35.44°S, 148.94°E © OpenStreetMap

Growing Season

169 Days October 22 to April 9

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 9a

Avg. annual minimum: −7 to −4°C

Learn more

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.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January27°20°13°
February27°20°13°
March24°17°10°
April20°13°6°
May15°10°4°
June12°7°2°
July11°6°1°
August13°7°1°
September16°10°4°
October19°12°6°
November22°15°9°
December25°18°11°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January84
February69
March48
April23
May48
June86
July79
August89
September94
October84
November86
December64

Sunrise / Sunset

Daylight Longest: 14h 24m · Shortest: 9h 36m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January4:56 AM7:04 PM14h 09m
February5:21 AM6:39 PM13h 17m
March5:52 AM6:08 PM12h 16m
April6:27 AM5:33 PM11h 06m
May6:56 AM5:04 PM10h 08m
June7:11 AM4:49 PM9h 37m
July7:05 AM4:55 PM9h 50m
August6:40 AM5:20 PM10h 40m
September6:06 AM5:54 PM11h 47m
October5:32 AM6:28 PM12h 55m
November5:03 AM6:57 PM13h 54m
December4:48 AM7:12 PM14h 23m

Nearby Stations

Tuggeranong (Isabella Plains), NSW October 10 - April 26 Canberra Airport Comparison, NSW October 10 - April 27 Burrinjuck Dam, NSW August 18 - June 12 Yass (Linton Hostel), NSW October 2 - May 5 Cabramurra Smhea Aws, NSW November 22 - April 4 Braidwood Racecourse Aws, NSW October 26 - April 18

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