Ahmad Yani

WAHS · Central Java, Indonesia

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 40.8 43 49 44 49 41
May 42.0 28 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 32.7 30.6 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 96.2 98 95 96 95 98
May 95.9 93 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 95.1 93.0 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 32.1 33 32 32 32 32
May 32.8 34 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 32.2 32.6 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 25.4 26 26 24 25 26
May 24.7 25 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 25.6 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 2.1 1 2 3 3 3
May 1.3 0 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 3.0 3.6 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 7 6 6 7 6
May 6.7 7 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 6.8 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 046° 354° 345° 331° 018°
May 081° 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.