Climate RAAF Base Pearce 2020-2024

Climate and trends: average temperature, flight conditions, precipitation, wind speed and direction.

Calculated from historical METAR data of RAAF Base Pearce (YPEA) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	97.2	99	98	99	98	98
February	94.5	96	98	98	93	95
March	96.2	95	98	95	95	98
April	94.0		88	97	91	97
May	95.0		95	95	95	92
June	89.7		88	86	91	93
July	89.5		84	84	88	93
August	91.9		90	87	96	92
September	92.2		86	92	95	94
October	94.5		96	97	95	97
November	96.3		94	95	97	94
December	97.7		99	99	99	100
Average	94.5	96.7	92.8	93.5	94.5	95.3

31st best VFR conditions of Australia

VFR conditions during daylight period

Percentage of observations where the VFR minimums for ceiling and visibility are met: visibility of 8 km or more and a ceiling of 3,000 ft or more. Only observations between sunrise and sunset are taken into account.

Marginal VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	99.2	100	99	100	100	100
February	98.1	100	99	100	99	100
March	99.5	99	99	100	100	100
April	98.6		97	100	97	100
May	97.7		97	97	99	97
June	95.7		95	96	96	97
July	96.2		97	94	96	96
August	98.2		98	98	99	99
September	98.1		97	99	99	99
October	98.8		100	99	99	100
November	99.2		99	99	100	98
December	99.0		100	100	100	100
Average	98.4	99.6	98.2	98.4	98.6	98.8

Marginal VFR conditions or better during daylight period

Percentage of observations where the MVFR minimums for ceiling and visibility are met: visibility of 5 km or more and a ceiling of 1,000 ft or more. Only observations between sunrise and sunset are taken into account.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	33.0	34	34	35	33	32
February	32.8	36	33	35	31	33
March	30.3	31	31	30	31	30
April	26.3		24	26	27	27
May	22.5		22	22	22	22
June	19.1		17	19	18	21
July	18.2		18	18	17	19
August	18.5		20	18	19	18
September	20.9		22	20	21	21
October	23.7		27	22	21	25
November	27.8		32	26	26	25
December	32.0		33	30	33	33
Average	26.4	33.8	25.9	24.8	24.9	25.5

62nd highest temperature of Australia

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	17.6	19	19	19	19	16
February	18.3	19	18	19	18	20
March	17.0	17	17	18	18	17
April	12.9		12	15	14	14
May	10.3		11	10	12	10
June	9.0		7	9	8	12
July	9.4		9	9	10	9
August	8.8		8	8	10	9
September	9.9		12	10	10	11
October	11.3		13	9	10	12
November	13.9		17	13	13	13
December	16.9		18	17	17	18
Average	13.6	18.2	13.2	12.9	13.1	13.3

22nd lowest temperature of Australia

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	1.7	0	0	0	1	2
February	2.9	3	0	1	6	7
March	3.5	1	4	3	2	6
April	5.4		9	5	2	5
May	9.1		8	10	8	19
June	16.1		20	17	10	18
July	20.8		17	20	21	17
August	15.3		7	21	8	22
September	10.3		12	9	7	14
October	6.8		3	2	11	2
November	3.1		2	4	1	11
December	0.6		0	0	0	0
Average	6.9	1.2	6.5	7.6	6.1	9.8

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (knots)

Month	Average	2024	2023	2022	2021	2020
January	11.8	12	12	11	13	12
February	11.1	11	11	11	12	12
March	10.7	12	11	11	10	11
April	9.2		10	9	9	9
May	8.8		9	9	8	10
June	8.3		8	9	8	9
July	9.0		10	9	10	9
August	9.2		8	10	9	9
September	9.5		11	10	10	10
October	10.7		11	11	11	10
November	11.1		12	11	11	11
December	11.4		12	12	11	11
Average	10.3	11.6	10.4	10.2	10.1	10.2

62nd highest wind speed of Australia

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	168°	158°	167°	128°	196°
February	163°	157°	155°	159°	109°
March	109°	126°	116°	114°	161°
April		214°	107°	126°	196°
May		081°	055°	060°	321°
June		261°	008°	357°	339°
July		307°	352°	297°	351°
August		022°	305°	314°	279°
September		271°	248°	252°	251°
October		198°	199°	247°	195°
November		124°	199°	197°	226°
December		154°	138°	190°	171°

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.