Sam Ratulangi Airport

WAMM · North Sulawesi, Indonesia

Climate Sam Ratulangi Airport 2020-2024

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

Calculated from historical METAR data of Sam Ratulangi Airport (WAMM) between 2020 and 2024.

VFR conditions (%)

Month Average 2024 2023 2022 2021 2020
January 80.8 73 88 77 81 87
February 81.3 90 80 70 84 89
March 86.7 87 86 80 85 87
April 89.1 82 95 91 95 87
May 91.9 93 95 90 89 93
June 90.4 89 93 93 86
July 90.8 88 91 88 89
August 93.1 97 87 90 92
September 92.7 95 89 91 92
October 92.2 96 91 94 89
November 89.5 91 87 88 95
December 87.5 90 93 76 89
Average 88.4 85.0 90.9 86.4 87.6 89.3

7th 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 94.4 94 95 95 93 96
February 94.5 98 94 89 99 97
March 95.8 94 97 96 96 95
April 96.4 95 97 98 99 95
May 98.4 99 99 99 97 99
June 97.0 95 98 98 95
July 98.0 97 97 98 98
August 98.1 99 99 96 96
September 97.9 98 96 98 98
October 97.5 99 97 99 96
November 97.1 98 96 95 98
December 96.3 95 98 94 96
Average 96.7 95.7 96.9 96.4 96.7 96.6

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 30.6 31 31 30 30 32
February 30.6 31 30 30 31 31
March 31.1 31 31 31 31 31
April 32.0 32 32 32 32 32
May 32.8 32 33 32 32 33
June 32.4 32 32 33 32
July 32.4 32 32 33 32
August 33.2 34 32 33 33
September 33.0 33 32 33 32
October 32.9 34 32 33 32
November 32.2 33 32 32 32
December 31.3 32 31 30 31
Average 31.9 31.2 32.2 31.4 31.9 32.0

11th 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 23.2 24 23 23 24 23
February 22.7 23 23 23 24 23
March 23.0 24 23 24 24 23
April 23.3 24 24 24 24 23
May 23.3 24 24 22 24 24
June 22.8 23 23 23 24
July 23.0 24 22 24 24
August 22.5 23 23 23 23
September 22.7 23 23 23 23
October 22.9 22 24 24 23
November 23.3 24 23 24 23
December 23.1 24 22 24 23
Average 23.1 23.7 23.1 22.9 23.5 23.2

2nd 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 20.9 22 13 16 18 14
February 20.7 8 22 32 15 13
March 15.2 16 13 12 13 13
April 10.6 10 5 9 4 10
May 8.4 7 2 10 8 3
June 11.6 8 5 7 9
July 11.0 9 12 9 12
August 7.0 3 11 8 9
September 8.4 3 8 13 11
October 8.7 5 7 7 12
November 10.8 9 9 9 4
December 13.3 6 10 16 10
Average 12.4 12.6 7.9 11.7 10.3 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 4.6 4 4 4 5 5
February 5.2 6 4 4 6 6
March 5.0 5 4 5 4 5
April 4.8 5 4 5 5 5
May 4.0 4 5 3 4 4
June 4.0 4 4 4 4
July 5.0 6 4 5 5
August 6.1 8 5 4 5
September 5.0 6 4 4 4
October 4.3 5 4 4 4
November 4.2 4 3 4 4
December 4.7 4 4 5 5
Average 4.7 4.7 4.8 4.1 4.5 4.7

11th 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 358° 270° 309° 287° 344°
February 021° 304° 308° 289° 015°
March 034° 321° 306° 319° 350°
April 018° 295° 295° 298° 348°
May 030° 163° 344° 289° 316°
June 053° 049° 242° 280°
July 170° 082° 225° 192°
August 168° 130° 290° 210°
September 168° 014° 290° 299°
October 142° 041° 306° 297°
November 349° 321° 294° 292°
December 343° 274° 278° 284°

Prevailing wind direction

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