Hillston Weather Records

Hillston, New South Wales weather averages and records from 1750–2023 based on data made available by the NOAA.

All-Time Recorded High

The highest temperature ever recorded in Hillston, New South Wales was 47.2 °C which occurred on February 11, 2017.

Highest Temperatures: All-Time By Year

All-Time Recorded Low

The lowest temperature ever recorded in Hillston, New South Wales was -6.0 °C which occurred on July 15, 2022.

Lowest Temperatures: All-Time By Year

Hillston Weather by Month

Averages based on the years 1991–2020

Month	Average (°C)		Record (°C)		Average (cm)
Month	High ☀️	Low 🌙	High ☀️	Low 🌙	Precipitation 💧
January	34.6	19.0	47.0	6.0	3.1
February	33.3	18.3	47.2	5.4	3.3
March	29.8	15.0	42.2	4.5	3.4
April	25.1	10.6	38.2	0.5	2.5
May	20.0	6.9	34.8	-3.2	2.8
June	16.5	4.7	26.0	-4.0	3.6
July	15.8	3.7	26.2	-6.0	3.2
August	17.7	4.3	30.7	-4.6	2.7
September	21.6	7.0	37.6	-2.2	3.4
October	25.8	10.5	39.8	1.0	3.7
November	29.1	14.0	43.8	2.0	3.4
December	32.1	16.6	45.5	4.4	3.9
Entire year	25.1	10.8	47.2	-6.0	38.9

More Hillston Weather Records 1750–2023
Highest daily low	32.5 °C	December 21, 1994
Lowest daily high	7.0 °C	July 9, 1995
Greatest daily range (Difference of high and low)	29.5 °C	January 13, 1957
Greatest difference in daily high over two conscutive days	25.5 °C	Feb 1–2, 2005
Most daily precipitation	12.3 cm	March 4, 2012
Most monthly precipitation	24.2 cm	March 2012
Most yearly precipitation	81.6 cm	2010
Most yearly days with precipitation	106	2016
Most days in a year < 0 °C	23	1966
Most days in a year ≥ 20 °C	272	2007
Most days in a year ≥ 25 °C	204	2002
Most days in a year ≥ 30 °C	137	2019
Most days in a year ≥ 35 °C	68	2019
Most days in a year ≥ 40 °C	32	2019

Hillston Weather Streaks Most consecutive days...
With precipitation	9 days	Sep 23 – Oct 1, 1916
Without precipitation	126 days	Dec 26, 1922 – Apr 30, 1923
High temperature ≥ 20 °C	217 days	Sep 29, 2017 – May 3, 2018
High temperature ≥ 25 °C	118 days	Nov 19, 2000 – Mar 16, 2001
High temperature ≥ 30 °C	52 days	Jan 9 – Mar 1, 1997
High temperature ≥ 35 °C	17 days	Jan 10–26, 2019
High temperature ≥ 40 °C	14 days	Jan 26 – Feb 8, 2009

Plant Hardiness Zone

Hillston is in plant hardiness zone 9B

based on average yearly minimum temperature from 1991–2020

Hillston Weather by Year

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Weather Station Details

Years	Station	Coordinates
1750–2023	Hillston Airport	location