Frost Dates for Grenfell, NSW

Based on data from Grenfell (Quondong Rd) weather station, 1 miles away

Elevation: 389 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 3
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. May 26

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 19
First Fall Frost May 17

Hard Freeze (−2°C)

Last Spring Hard Freeze August 21
First Fall Hard Freeze June 11
33.90°S, 148.16°E © OpenStreetMap

Growing Season

265 Days September 3 to May 26

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

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Cfa Humid Subtropical

Hot, humid summers and mild winters with rain year-round. Long growing seasons support a wide variety of vegetables, fruits, and ornamentals. The most common climate in the eastern US.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January33°25°18°
February31°24°17°
March28°21°14°
April23°17°10°
May18°12°6°
June14°9°4°
July13°8°4°
August15°10°4°
September19°13°6°
October23°16°9°
November27°20°12°
December30°23°15°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January28
February46
March43
April30
May25
June61
July51
August43
September41
October36
November46
December56

Sunrise / Sunset

Daylight Australian Eastern Time (AET) Longest: 14h 16m · Shortest: 9h 44m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Australian Eastern Time (AET))
Month Sunrise Sunset Daylight
January6:16 AM8:17 PM14h 01m
February6:45 AM7:58 PM13h 13m
March7:09 AM7:25 PM12h 15m
April6:33 AM5:42 PM11h 09m
May6:56 AM5:11 PM10h 14m
June7:15 AM5:00 PM9h 45m
July7:14 AM5:11 PM9h 57m
August6:49 AM5:34 PM10h 44m
September6:08 AM5:56 PM11h 48m
October6:26 AM7:19 PM12h 52m
November5:58 AM7:46 PM13h 48m
December5:56 AM8:11 PM14h 15m

Nearby Stations

Quandialla Post Office, NSW September 13 - May 22 Young Airport, NSW October 16 - April 29 Cowra Airport Comparison, NSW September 28 - May 17 Cowra Research Centre (Evans S, NSW August 17 - June 7 Forbes Airport Aws, NSW September 14 - May 19 Cootamundra Airport, NSW October 14 - April 27

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