Climate Kelvin Station Airport 2020-2024

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

Calculated from historical METAR data of Tamworth Airport (YSTW) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	97.2	98	96	98	99	91
February	96.5	97	100	98	94	96
March	96.2	98	96	93	94	97
April	98.3		97	99	98	96
May	94.9		99	94	93	88
June	91.5		90	96	89	87
July	93.3		92	90	94	87
August	96.3		100	93	96	92
September	97.5		99	91	97	99
October	96.2		100	89	98	92
November	96.1		95	96	94	100
December	95.6		97	97	100	86
Average	96.0	97.5	96.6	94.3	95.7	92.4

24th 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	98.6	99	99	99	100	93
February	98.0	98	100	99	98	98
March	98.6	99	99	98	97	98
April	99.5		99	100	100	99
May	98.6		99	99	99	98
June	98.5		98	100	100	98
July	98.6		98	99	100	96
August	99.2		100	98	100	100
September	99.7		100	98	100	100
October	98.9		100	97	100	98
November	98.5		99	97	98	100
December	97.4		99	98	100	88
Average	98.6	98.6	99.2	98.4	99.1	96.9

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	33.6	33	33	32	30	36
February	31.7	33	32	29	29	29
March	29.0	30	31	27	27	27
April	24.7		23	25	23	23
May	20.0		19	21	20	19
June	16.9		17	16	16	17
July	17.0		18	16	16	16
August	18.7		21	18	19	17
September	22.8		25	20	22	23
October	26.0		28	22	25	26
November	28.0		29	25	25	31
December	31.5		33	27	29	30
Average	25.8	32.3	25.7	22.9	23.4	24.4

79th 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	18.9	20	16	18	16	22
February	17.5	19	16	16	16	19
March	15.5	16	15	15	15	15
April	10.4		10	12	8	10
May	5.6		3	9	4	6
June	3.6		3	2	5	4
July	2.7		3	3	4	4
August	3.3		4	5	4	4
September	6.4		7	7	5	7
October	10.8		9	11	9	11
November	13.6		15	11	15	14
December	16.4		17	11	15	17
Average	11.3	18.1	9.6	9.7	9.4	11.0

5th 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	0.7	2	4	0	0	0
February	0.8	6	1	0	0	0
March	1.3	5	6	0	0	0
April	0.2		2	0	0	0
May	0.0		0	0	0	0
June	1.5		10	0	0	0
July	0.8		6	0	0	0
August	0.1		1	0	0	0
September	0.1		1	0	0	0
October	1.6		0	12	0	0
November	2.4		11	5	0	0
December	0.5		4	0	0	0
Average	1.1	3.9	3.8	1.4

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	8.7	9	9	9	8	10
February	9.0	8	8	10	9	8
March	8.4	8	8	8	8	9
April	7.4		8	7	6	7
May	6.6		7	7	6	7
June	6.8		6	7	7	6
July	7.2		6	8	8	6
August	8.2		7	8	8	9
September	9.1		8	9	9	9
October	8.9		11	8	9	8
November	9.2		8	10	9	9
December	9.0		8	10	8	10
Average	8.3	8.4	7.8	8.3	7.9	8.1

79th 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	126°	173°	133°	088°	316°
February	180°	216°	130°	130°	149°
March	134°	286°	163°	096°	132°
April		156°	129°	259°	307°
May		270°	091°	261°	303°
June		307°	284°	315°	287°
July		276°	254°	302°	273°
August		288°	300°	303°	294°
September		292°	282°	297°	320°
October		282°	315°	306°	295°
November		288°	285°	313°	244°
December		292°	227°	157°	171°

Prevailing wind direction

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