Climate Ahmad Yani 2020-2024

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

Calculated from historical METAR data of Ahmad Yani (WAHS) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	25.7	29	29	32	19	36
February	29.7	28	30	39	26	35
March	33.9	27	46	39	36	40
April	40.4		49	44	49	41
May	44.6		50	53	38	53
June	32.2		31	30	41	27
July	34.7		42	41	50	26
August	33.7		33	43	47	23
September	38.9		33	41	54	34
October	32.1		19	42	40	29
November	29.4		18	44	41	33
December	26.4		20	41	32	21
Average	32.3	27.8	33.3	40.7	39.0	32.8

23rd best VFR conditions of Indonesia

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	91.9	92	89	93	85	96
February	90.7	92	86	89	81	94
March	94.2	91	93	92	96	97
April	95.9		95	96	95	98
May	96.5		96	96	93	99
June	95.4		90	93	95	100
July	95.5		94	92	95	99
August	98.1		98	96	96	99
September	98.2		98	95	98	98
October	96.9		94	94	97	99
November	94.7		90	94	92	99
December	94.1		92	91	93	94
Average	94.9	91.7	92.8	93.4	92.8	97.4

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	30.8	32	31	31	30	31
February	30.7	32	31	31	30	31
March	31.2	32	31	31	31	31
April	31.9		32	32	32	32
May	32.6		33	32	33	32
June	32.3		33	32	32	33
July	32.7		33	32	33	33
August	33.3		34	33	34	34
September	34.0		35	33	34	35
October	33.4		36	31	34	33
November	32.1		34	31	31	33
December	31.3		33	31	31	31
Average	32.1	31.9	32.8	31.6	32.0	32.3

8th highest temperature of Indonesia

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	25.0	26	25	25	25	25
February	24.4	26	22	25	25	25
March	25.2	26	25	25	25	25
April	25.3		26	24	25	26
May	24.8		24	23	26	26
June	24.7		25	23	26	25
July	23.7		23	23	24	25
August	23.5		23	22	25	25
September	24.5		25	24	25	26
October	25.2		26	23	25	26
November	25.5		26	25	25	26
December	25.0		24	25	25	25
Average	24.8	25.7	24.4	23.8	25.1	25.3

9th lowest temperature of Indonesia

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	7.6	8	5	5	18	3
February	8.5	3	11	10	20	7
March	3.7	6	3	3	4	2
April	2.2		2	3	3	3
May	1.5		2	4	1	1
June	1.4		1	2	4	1
July	0.3		1	0	0	1
August	0.0		0	0	0	0
September	0.2		0	0	2	0
October	0.6		0	2	1	2
November	2.9		1	4	4	1
December	5.6		2	3	5	11
Average	3.2	5.4	2.2	2.9	5.2	2.8

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	6.9	6	7	8	7	7
February	7.5	7	8	7	9	8
March	6.7	7	7	7	7	7
April	6.3		6	6	7	6
May	6.6		7	7	7	7
June	6.6		7	6	7	7
July	7.0		7	7	7	7
August	7.7		8	7	7	8
September	7.7		8	7	7	7
October	7.0		8	5	7	7
November	6.1		7	6	6	7
December	6.2		6	6	7	7
Average	6.9	6.7	7.2	6.5	6.9	7.0

8th highest wind speed of Indonesia

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	318°	305°	304°	300°	301°
February	310°	294°	302°	293°	299°
March	316°	320°	319°	315°	324°
April		354°	345°	331°	018°
May		058°	030°	073°	068°
June		063°	043°	064°	087°
July		056°	085°	089°	088°
August		064°	073°	065°	069°
September		040°	028°	051°	019°
October		012°	342°	332°	048°
November		341°	347°	341°	014°
December		330°	328°	314°	313°

Prevailing wind direction

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