Princess Juliana International Airport

TNCM · Sint Maarten

Climate Princess Juliana International Airport 2023-2024

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

Calculated from historical METAR data of Saint Barthélemy - Rémy de Haenen Airport (TFFJ) between 2023 and 2024.

VFR conditions (%)

Month Average 2024 2023
January 63.3 63
February
March 64.6 65
April
May
June 0.0 0
July 0.0 0
August 0.0 0
September 0.0 0
October
November 75.3 75
December 65.3 65
Average 41.7 63.9 19.5

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
January 98.7 99
February
March 96.6 97
April
May
June 0.0 0
July 0.0 0
August 0.0 0
September 0.0 0
October
November 100.0 100
December 99.1 99
Average 63.2 97.7 28.8

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
January 28.5 29
February
March 29.0 29
April
May
June 31.0 31
July 31.0 31
August 31.6 32
September 32.2 32
October
November 29.4 29
December 29.0 29
Average 29.7 28.7 30.7

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month Average 2024 2023
January 25.0 25
February
March 25.3 25
April
May
June 26.6 27
July 28.0 28
August 27.6 28
September 28.0 28
October
November 26.8 27
December 24.0 24
Average 25.9 25.1 26.8

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2024 2023
January 2.4 2
February
March 1.2 1
April
May
June 0.0 0
July 0.0 0
August 0.0 0
September 0.0 0
October
November 0.0 0
December 1.1 1
Average 1.0 1.8 0.2

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
January 14.0 14
February
March 10.2 10
April
May
June 9.6 10
July 14.4 14
August 11.6 12
September 9.1 9
October
November 11.8 12
December 13.1 13
Average 12.2 12.1 12.3

Average wind speed

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

Prevailing wind direction

Month 2024 2023
January 065°
February
March 065°
April
May
June 093°
July 058°
August 064°
September 087°
October
November 055°
December 053°

Prevailing wind direction

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