Perth Weather in 2021

Historical record of Perth, Western Australia weather for the year 2021 based on NOAA data.

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2021 Perth Weather Extremes
Highest temperature	43.3 °C	December 26
Lowest temperature	0.5 °C	June 23
Highest daily low	26.7 °C	December 9
Lowest daily high	14.5 °C	September 2
Most daily precipitation	5.6 cm	May 5
Total annual precipitation	78.8 cm	-

What was the hottest temperature in Perth in 2021?

The highest temperature recorded in Perth, Western Australia in 2021 was 43.3 °C which happened on December 26.

Highest Temperatures: All-Time By Year

Highest Temperatures in Perth in 2021

Rank	Temperature	Date
1	43.3 °C	Dec 26
2	43.1 °C	Dec 25
3	41.5 °C	Dec 28
3	41.5 °C	Jan 8
5	40.7 °C	Mar 29
6	40.6 °C	Dec 27
7	39.9 °C	Dec 8
7	39.9 °C	Feb 23
9	39.7 °C	Dec 24
10	39.5 °C	Dec 29

What was the coldest temperature in Perth in 2021?

The lowest temperature recorded in Perth, Western Australia in 2021 was 0.5 °C which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Perth in 2021

Rank	Temperature	Date
1	0.5 °C	June 23
1	0.5 °C	June 22
3	2.6 °C	June 24
4	2.9 °C	August 2
5	3.0 °C	June 7
6	3.3 °C	October 6
6	3.3 °C	August 14
8	3.4 °C	September 4
9	4.0 °C	October 7
9	4.0 °C	September 13

January 2021 Perth Weather

Day	High (°C)	Low (°C)
January 1	35.6	20.0
January 2	32.4	19.3
January 3	31.9	17.3
January 4	32.4	16.7
January 5	33.9	17.5
January 6	36.4	19.0
January 7	38.6	22.0
January 8	41.5	20.1
January 9	38.1	23.8
January 10	28.0	21.6
January 11	32.5	15.7
January 12	32.4	17.3
January 13	33.9	16.8
January 14	33.6	16.3
January 15	32.8	16.7
January 16	34.1	17.4
January 17	36.1	18.7
January 18	35.2	23.4
January 19	37.8	24.2
January 20	31.2	22.7
January 21	36.4	22.8
January 22	36.8	20.0
January 23	28.2	16.7
January 24	28.1	14.1
January 25	27.9	17.8
January 26	26.4	15.2
January 27	27.0	11.7
January 28	33.3	15.3
January 29	34.5	18.5
January 30	35.6	18.6
January 31	38.4	20.1

February 2021 Perth Weather

Day	High (°C)	Low (°C)	Precip. (cm)
February 1	36.9	19.8	0.00
February 2	34.6	21.5	0.00
February 3	34.0	19.8	0.00
February 4	28.4	14.6	0.00
February 5	27.7	14.6	0.00
February 6	22.9	17.4	0.00
February 7	22.3	16.0	1.28
February 8	23.7	18.1	1.26
February 9	25.3	15.3	0.20
February 10	24.2	16.4	0.00
February 11	26.1	14.0	0.00
February 12	31.1	13.8	0.00
February 13	36.1	15.3	0.00
February 14	36.0	22.2	0.00
February 15	38.7	19.8	0.00
February 16	31.7	20.2	0.00
February 17	26.4	17.6	0.00
February 18	24.0	17.8	0.12
February 19	26.9	13.1	0.00
February 20	31.8	10.5	0.00
February 21	36.0	17.1	0.00
February 22	39.3	18.6	0.00
February 23	39.9	21.2	0.00
February 24	33.5	16.8	0.00
February 25	31.6	16.3	0.00
February 26	31.2	18.7	0.00
February 27	31.5	17.1	0.00
February 28	31.8	19.0	0.00

March 2021 Perth Weather

Day	High (°C)	Low (°C)	Precip. (cm)
March 1	22.7	16.5	0.86
March 2	30.5	16.9	0.96
March 3	28.7	18.8	0.50
March 4	27.2	19.9	0.52
March 5	26.3	19.7	0.12
March 6	28.5	20.5	0.06
March 7	29.8	18.8	0.00
March 8	31.7	20.3	0.00
March 9	36.1	21.3	0.00
March 10	31.5	25.8	0.00
March 11	27.6	21.0	0.00
March 12	26.2	20.7	0.06
March 13	26.1	14.3	0.00
March 14	28.4	14.3	0.00
March 15	30.7	16.7	0.00
March 16	34.5	21.0	0.00
March 17	30.8	14.5	0.00
March 18	34.4	14.6	0.00
March 19	38.1	16.9	0.00
March 20	38.2	16.1	0.00
March 21	37.7	18.1	0.00
March 22	29.2	17.6	0.00
March 23	25.5	13.9	0.00
March 24	26.1	14.0	0.00
March 25	26.3	7.5	0.00
March 26	28.2	8.9	0.00
March 27	29.1	10.2	0.00
March 28	34.2	11.1	0.00
March 29	40.7	15.7	0.00
March 30	29.9	20.0	0.12
March 31	27.4	19.0	0.06

April 2021 Perth Weather

Day	High (°C)	Low (°C)	Precip. (cm)
April 1	34.2	20.0	0.08
April 2	31.8	14.9	0.00
April 3	30.0	18.3	0.00
April 4	31.3	17.1	0.14
April 5	27.6	13.6	0.00
April 6	27.3	11.7	0.00
April 7	26.1	18.3	0.00
April 8	26.3	17.5	0.00
April 9	27.3	16.8	0.00
April 10	29.1	16.8	0.00
April 11	22.1	15.5	0.40
April 12	23.6	16.2	1.10
April 13	22.1	10.3	0.04
April 14	23.5	9.5	0.00
April 15	25.3	9.9	0.00
April 16	26.4	9.5	0.00
April 17	27.7	15.1	0.00
April 18	28.8	12.4	0.00
April 19	24.0	8.4	0.00
April 20	26.0	9.8	0.00
April 21	26.3	11.8	0.00
April 22	25.2	11.2	0.00
April 23	29.1	16.9	0.00
April 24	31.2	13.7	0.00
April 25	28.2	9.6	0.00
April 26	31.5	8.9	0.00
April 27	29.7	12.3	0.00
April 28	30.7	10.3	0.00
April 29	26.2	13.9	0.00
April 30	20.8	10.4	1.66

May 2021 Perth Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	22.6	7.2	0.00
May 2	23.8	6.1	0.00
May 3	26.1	13.3	0.00
May 4	21.2	17.0	0.00
May 5	24.1	14.7	5.60
May 6	24.3	14.8	0.04
May 7	22.3	10.4	0.14
May 8	22.8	8.7	0.00
May 9	22.7	8.1	0.00
May 10	24.0	7.3	0.00
May 11	29.1	12.2	0.00
May 12	22.5	12.9	0.66
May 13	20.9	12.8	0.00
May 14	19.4	14.4	0.00
May 15	19.7	15.6	0.00
May 16	24.3	16.8	0.00
May 17	27.7	16.8	0.00
May 18	24.9	13.4	0.00
May 19	24.3	10.8	0.00
May 20	24.8	8.6	0.00
May 21	23.1	8.3	0.00
May 22	19.8	12.2	0.00
May 23	18.2	8.8	0.64
May 24	15.4	7.8	1.50
May 25	18.9	5.8	0.14
May 26	19.6	8.6	0.00
May 27	24.5	11.7	0.00
May 28	25.4	16.2	0.00
May 29	20.1	15.1	1.40
May 30	18.3	11.4	1.42
May 31	18.3	9.4	0.06

June 2021 Perth Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	19.6	5.6	0.00
June 2	20.2	5.0	0.00
June 3	21.5	5.1	0.00
June 4	21.3	5.8	0.00
June 5	22.4	6.5	0.00
June 6	20.8	6.3	0.00
June 7	18.8	3.0	0.06
June 8	16.5	5.8	0.00
June 9	19.1	12.3	0.00
June 10	20.6	11.6	1.42
June 11	20.1	12.4	0.68
June 12	21.1	10.0	0.00
June 13	20.4	7.6	0.00
June 14	18.3	10.4	0.72
June 15	16.8	6.3	0.30
June 16	18.7	6.7	0.26
June 17	17.6	7.3	0.00
June 18	19.1	7.1	0.00
June 19	19.9	5.9	0.00
June 20	15.5	9.5	1.98
June 21	14.7	7.9	1.58
June 22	16.2	0.5	0.00
June 23	17.8	0.5	0.00
June 24	17.4	2.6	0.00
June 25	18.8	5.4	0.00
June 26	20.3	5.8	0.00
June 27	15.6	8.7	0.00
June 28	19.7	10.5	0.90
June 29	18.0	12.5	1.88
June 30	16.8	7.7	0.02

July 2021 Perth Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	18.2	10.6	0.06
July 2	19.0	9.1	0.02
July 3	20.3	7.2	0.00
July 4	15.4	11.9	0.36
July 5	17.1	8.9	3.54
July 6	19.7	7.8	1.12
July 7	17.9	11.5	2.22
July 8	18.9	7.9	0.40
July 9	19.2	11.2	0.46
July 10	17.3	6.1	1.88
July 11	18.7	10.6	0.00
July 12	21.4	13.1	0.86
July 13	19.1	13.6	2.34
July 14	17.9	9.5	1.30
July 15	n/a	11.7	0.70
July 16	17.4	11.3	0.56
July 17	18.2	11.7	0.10
July 18	17.6	10.0	0.08
July 19	17.1	7.9	0.44
July 20	16.9	11.8	0.12
July 21	18.3	12.5	2.52
July 22	17.5	5.0	0.00
July 23	18.8	10.3	0.16
July 24	18.2	8.7	0.02
July 25	20.0	11.1	0.02
July 26	19.1	11.0	0.00
July 27	16.7	13.0	2.88
July 28	19.2	9.5	0.46
July 29	20.5	11.9	0.86
July 30	16.6	12.7	1.44
July 31	16.0	7.0	0.80

August 2021 Perth Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	15.0	9.5	0.86
August 2	15.4	2.9	0.10
August 3	18.0	8.6	0.00
August 4	19.3	4.9	0.00
August 5	19.6	5.6	0.00
August 6	22.3	8.2	0.00
August 7	18.3	10.5	0.00
August 8	19.8	11.4	0.40
August 9	19.2	13.1	0.44
August 10	14.5	9.8	0.90
August 11	17.4	6.4	0.34
August 12	18.1	8.4	0.08
August 13	20.9	7.9	0.00
August 14	21.1	3.3	0.00
August 15	22.4	8.5	0.00
August 16	25.1	10.8	0.00
August 17	26.1	15.9	0.00
August 18	20.7	13.2	0.06
August 19	18.3	8.0	0.16
August 20	18.9	10.0	0.88
August 21	18.8	9.2	0.04
August 22	18.8	9.8	0.04
August 23	18.2	6.1	0.00
August 24	21.1	8.4	0.00
August 25	24.7	11.7	0.00
August 26	19.3	12.2	0.16
August 27	18.0	8.7	0.16
August 28	17.9	6.7	0.02
August 29	19.0	11.4	0.20
August 30	19.3	12.7	0.20
August 31	20.5	11.9	0.08

September 2021 Perth Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	18.6	14.0	0.26
September 2	14.5	8.7	1.02
September 3	17.1	4.4	0.28
September 4	20.0	3.4	0.00
September 5	21.8	4.3	0.00
September 6	24.7	8.6	0.00
September 7	30.3	9.5	0.00
September 8	26.5	10.5	0.00
September 9	14.8	11.9	0.30
September 10	18.7	7.1	0.34
September 11	19.3	9.0	0.34
September 12	18.4	5.3	0.00
September 13	20.7	4.0	0.00
September 14	23.6	6.3	0.00
September 15	21.4	5.5	0.00
September 16	17.0	11.5	1.34
September 17	18.0	4.7	0.26
September 18	20.2	5.4	0.00
September 19	21.0	10.4	0.08
September 20	22.1	10.1	0.00
September 21	26.5	12.1	0.00
September 22	29.8	8.7	0.00
September 23	25.1	5.0	0.00
September 24	21.1	11.8	0.00
September 25	23.1	10.9	0.00
September 26	20.8	10.6	1.52
September 27	21.3	9.8	0.38
September 28	22.3	11.6	0.00
September 29	25.1	14.4	0.00
September 30	23.4	13.3	0.30

October 2021 Perth Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	19.6	14.8	0.30
October 2	19.9	9.3	1.30
October 3	19.6	11.1	0.54
October 4	20.0	6.2	0.00
October 5	19.3	9.7	0.36
October 6	18.8	3.3	0.00
October 7	20.4	4.0	0.00
October 8	20.4	12.6	0.12
October 9	20.4	5.2	0.00
October 10	22.6	6.6	0.00
October 11	20.9	11.1	0.00
October 12	18.4	7.2	0.58
October 13	21.5	4.4	0.00
October 14	24.3	11.0	0.00
October 15	33.6	13.8	0.00
October 16	22.3	15.5	0.00
October 17	21.9	12.8	0.00
October 18	25.5	8.8	0.00
October 19	21.0	14.7	0.80
October 20	19.5	13.4	2.46
October 21	20.3	11.5	0.42
October 22	22.6	10.5	0.06
October 23	25.9	8.5	0.00
October 24	30.7	10.3	0.00
October 25	17.3	13.7	0.24
October 26	17.5	8.0	0.38
October 27	18.6	10.1	1.96
October 28	20.0	5.2	0.24
October 29	22.1	8.0	0.00
October 30	25.2	11.0	0.00
October 31	24.4	7.4	0.00

November 2021 Perth Weather

Day	High (°C)	Low (°C)	Precip. (cm)
November 1	19.5	12.6	0.08
November 2	19.4	13.7	0.00
November 3	23.1	9.3	0.00
November 4	24.6	8.3	0.00
November 5	22.6	13.8	0.00
November 6	23.7	11.8	0.00
November 7	26.4	12.0	0.00
November 8	28.3	13.7	0.00
November 9	20.3	14.1	0.12
November 10	22.3	11.2	0.00
November 11	25.5	7.1	0.00
November 12	27.9	13.4	0.00
November 13	30.4	12.1	0.00
November 14	32.2	13.3	0.00
November 15	26.6	13.6	0.00
November 16	24.4	14.7	0.00
November 17	26.1	11.2	0.00
November 18	21.2	15.1	0.00
November 19	24.3	14.5	0.00
November 20	30.6	13.2	0.00
November 21	33.6	14.3	0.00
November 22	23.0	16.5	0.40
November 23	25.7	9.2	0.00
November 24	30.1	11.4	0.00
November 25	33.3	14.1	0.00
November 26	35.6	17.1	0.00
November 27	37.3	16.7	0.00
November 28	35.1	13.8	0.00
November 29	26.5	16.0	0.00
November 30	25.0	15.6	0.00

December 2021 Perth Weather

Day	High (°C)	Low (°C)	Precip. (cm)
December 1	26.0	11.9	0.00
December 2	28.9	14.1	0.00
December 3	31.5	14.9	0.00
December 4	33.5	16.0	0.00
December 5	33.8	18.5	0.00
December 6	33.4	16.3	0.00
December 7	35.1	15.5	0.00
December 8	39.9	21.6	0.00
December 9	36.8	26.7	0.00
December 10	25.0	19.6	0.00
December 11	25.1	16.6	0.00
December 12	26.1	14.6	0.00
December 13	28.0	12.5	0.00
December 14	25.4	11.3	0.00
December 15	29.7	12.6	0.00
December 16	24.4	11.3	0.00
December 17	23.4	12.9	0.22
December 18	24.3	14.0	0.02
December 19	27.1	9.1	0.02
December 20	32.9	9.0	0.00
December 21	31.7	16.1	0.00
December 22	32.5	13.8	0.00
December 23	36.0	18.9	0.00
December 24	39.7	20.5	0.00
December 25	43.1	20.5	0.00
December 26	43.3	24.5	0.00
December 27	40.6	26.3	0.00
December 28	41.5	23.9	0.00
December 29	39.5	18.4	0.00
December 30	34.2	17.7	0.00
December 31	33.7	18.6	0.00

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Weather Station Details

Years	Station	Coordinates
1945–2024	Perth Airport	location
1877–1944	Perth Regional Office	location