Rinchending Heliport

BT-0004 · Chukha, Bhutan

Climate Rinchending Heliport 2021-2024

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

Calculated from historical METAR data of Cooch Behar Airport (VECO) between 2021 and 2024.

VFR conditions (%)

Month Average 2024 2023 2022 2021
January 0.0 0 0 0
February 0.0 0 0 0
March 0.0 0 0 0
April 0.0 0 0
May 0.0 0 0
June 0.0 0 0
July 0.0 0 0
August 0.0 0 0
September 0.0 0 0
October 0.0 0 0 0
November 1.8 0 0 6
December 0.0 0 0 0
Average 0.6 2.4

47th best VFR conditions of India

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
January 0.6 1 0 1
February 4.3 0 10 3
March 16.0 21 26 0
April 27.7 45 8
May 48.1 68 26
June 40.3 59 19
July 60.7 75 44
August 44.8 49 40
September 53.7 71 36
October 65.5 61 76 45
November 68.3 77 69 59
December 30.8 48 25 19
Average 31.5 7.9 49.5 29.2 39.3

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
January 23.4 22 24 25
February 25.6 26 27 25
March 30.2 29 30 32
April 30.4 32 29
May 31.8 33 31
June 30.6 31 30
July 33.3 33 34
August 33.1 32 35
September 33.0 33 33
October 31.1 31 31 31
November 29.9 30 30 30
December 27.0 27 28 27
Average 28.6 25.5 30.1 30.3 28.5

57th highest temperature of India

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month Average 2024 2023 2022 2021
January 13.6 13 14 14
February 17.0 17 18 16
March 23.0 22 23 24
April 25.0 26 24
May 26.9 27 27
June 26.8 27 26
July 28.7 28 29
August 28.7 28 29
September 28.3 29 28
October 25.3 26 25 25
November 21.6 23 23 20
December 18.0 19 20 16
Average 21.1 17.5 23.9 23.9 19.0

55th lowest temperature of India

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2024 2023 2022 2021
January 0.7 1 0 1
February 1.4 1 0 3
March 3.1 6 1 2
April 3.0 0 7
May 2.5 2 4
June 15.8 12 20
July 11.2 15 7
August 13.8 17 10
September 9.4 10 9
October 5.3 8 4 1
November 0.0 0 0 0
December 0.8 2 0 1
Average 3.7 2.9 5.8 5.6 0.4

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
January 1.3 2 1 1
February 2.8 3 3 2
March 3.1 4 3 2
April 3.2 4 3
May 2.3 3 1
June 1.7 3 1
July 1.2 2 1
August 1.6 3 1
September 1.5 2 1
October 1.7 3 1 1
November 1.6 2 2 1
December 1.2 2 1 0
Average 1.9 3.1 2.6 1.3 0.5

57th highest wind speed of India

Average wind speed

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

Prevailing wind direction

Month 2024 2023 2022 2021
January 214° 245° 044°
February 183° 098° 102°
March 176° 112° 116°
April 108° 078°
May 097° 082°
June 093° 078°
July 109° 107°
August 102° 104°
September 078° 146°
October 062° 067° 071°
November 060° 069° 053°
December 064° 082° 017°

Prevailing wind direction

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