Mae Fah Luang - Chiang Rai International Airport

VTCT · Chiang Rai, Thailand

Climate Mae Fah Luang - Chiang Rai International Airport 2020-2024

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

Calculated from historical METAR data of Mae Fah Luang - Chiang Rai International Airport (VTCT) between 2020 and 2024.

VFR conditions (%)

Month Average 2024 2023 2022 2021 2020
January 79.8 79 83 79 79 83
February 76.9 83 45 86 81 82
March 46.0 55 17 82 36 26
April 56.0 48 27 70 77 49
May 83.3 73 88 87 95 96
June 80.1 72 84 89 88 88
July 76.9 75 76 81 89
August 70.1 68 75 79 69
September 75.3 71 75 86 76
October 79.5 73 85 86 95
November 86.0 89 87 82 93
December 81.7 82 84 82 86
Average 73.5 68.0 66.6 81.1 79.1 77.6

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 93.4 97 95 94 88 96
February 94.6 98 82 99 96 99
March 74.1 80 39 97 75 60
April 81.0 79 43 98 90 71
May 97.8 95 99 99 100 100
June 99.1 99 100 100 100 100
July 98.6 100 97 98 100
August 98.2 99 99 98 97
September 97.9 99 97 99 97
October 97.3 96 97 99 100
November 96.5 97 98 97 98
December 92.6 93 95 92 93
Average 93.1 91.3 86.7 97.5 94.4 92.4

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 27.5 29 28 28 27 29
February 30.2 32 30 29 29 31
March 33.1 35 32 32 34 35
April 33.7 37 36 32 32 34
May 33.6 34 35 32 34 35
June 32.1 32 33 32 32 33
July 31.1 32 31 31 32
August 30.3 30 31 30 30
September 31.0 31 31 31 31
October 30.2 31 30 30 30
November 29.5 30 30 29 30
December 27.2 29 28 27 28
Average 31.0 32.9 31.3 30.5 30.4 31.5

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 14.9 16 13 15 14 14
February 14.9 15 15 15 16 15
March 18.1 18 19 21 18 17
April 20.9 22 21 21 21 21
May 23.0 24 24 23 23 23
June 24.3 25 25 24 24 25
July 24.1 24 24 24 24
August 23.8 24 24 24 24
September 23.3 24 23 23 24
October 22.0 23 21 23 21
November 18.8 19 19 21 17
December 15.2 18 18 14 14
Average 20.2 20.1 20.8 20.9 20.2 19.8

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month Average 2024 2023 2022 2021 2020
January 2.2 1 0 4 1 0
February 0.5 0 0 2 2 0
March 0.2 0 1 1 0 0
April 1.9 0 0 2 5 2
May 5.0 7 4 8 2 3
June 7.4 10 7 3 7 5
July 12.0 5 9 16 7
August 13.8 16 11 16 18
September 8.5 11 11 9 6
October 5.1 5 6 6 2
November 0.8 0 1 1 0
December 1.5 0 0 0 0
Average 4.8 3.0 4.1 4.9 5.5 3.6

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 3.1 3 4 3 4 3
February 3.2 4 3 4 3 3
March 3.5 4 3 4 3 4
April 3.8 4 4 4 4 5
May 4.4 4 4 5 5 5
June 4.9 5 5 5 5 5
July 4.6 5 4 5 4
August 4.5 5 5 4 5
September 4.0 4 4 5 5
October 4.2 4 5 5 6
November 3.6 4 3 3 4
December 3.4 4 3 4 4
Average 3.9 3.9 4.0 4.0 4.1 4.3

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 143° 058° 083° 086° 110°
February 106° 092° 123° 067° 149°
March 122° 096° 115° 086° 132°
April 118° 124° 079° 078° 086°
May 153° 195° 139° 151° 192°
June 176° 188° 177° 187° 184°
July 169° 146° 168° 169°
August 163° 169° 156° 166°
September 076° 053° 055° 127°
October 064° 041° 040° 027°
November 037° 032° 041° 036°
December 059° 053° 040° 048°

Prevailing wind direction

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