Chiang Mai International Airport

VTCC / CNX

Chiang Mai, TH

Last Updated
Mar 4, 10:00Z

Current Weather

Display Units
Recent 34 min ago
10:00Z

☀️ Day
MVFR
Flight Rules
34°C
Temperature
Dewpoint: 12°C
3 kt
280°
8 km
Visibility
Ceiling
Unlimited
1006 hPa
QNH
Altimeter Setting

Raw METAR

METAR VTCC 041000Z 28003KT 230V320 8000 FEW035 34/12 Q1006 NOSIG

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 1,036 ft
FEW 3,500 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
3,500 ft
AGL (Above Ground)
4,536 ft AMSL
QNH
1006 hPa
Sea Level Pressure
For altitude above MSL
QFE
971 hPa
Field Pressure
Height above aerodrome (1,036 ft)
Pressure Alt
1,254 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 3,783 ft (High - Reduced Performance)
ISA Deviation: +21.1°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF VTCC 040500Z 0406/0512 17005KT 8000 SCT035 BECMG 0409/0411 27005KT BECMG 0412/0414 35005KT BECMG 0501/0503 18005KT BECMG 0510/0512 25005KT
Upcoming Changes (Next 12 Hours)
10:34Z BASE
+0h
MVFR 170° 5 kt
Visibility: 8 km
12:00Z BECMG
+2h
VFR 350° 5 kt

24-Hour Weather Evolution

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Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
TCC
18
36 ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 18/36
Active: 36
11,155 ft 148 ft ASP 180°
0.5 kt 3.0 kt
80° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - VTCC

7,749 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
91.6%
MVFR
7.5%
IFR
0.7%
LIFR
0.1%

Chiang Mai International Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 91.6% of the time. Prevailing winds are from the W averaging 4.4 knots. Calm conditions occur 13.4% of the time. Temperatures typically range between 11°C and 35°C with an average of 24.2°C. The best months for VFR flying are October, January, February.

Wind Analysis

Prevailing Direction: W (270°)
Average Speed: 4.4 kt
Maximum Recorded: 21 kt
Calm Winds: 13.4%
Direction Distribution:
N
16.5%
NE
5.5%
E
4.8%
SE
6.5%
S
16.5%
SW
11.4%
W
16.7%
NW
8.8%

Temperature Range

Average: 24.2°C
Range: 11°C to 35°C
11°C 35°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 0%

Best Months for VFR

October January February

Runway Wind Analysis

Runway 18/36
Favorable wind: 100%
Avg crosswind: 2.2 kt

Statistics computed from 7,749 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Chiang Mai International Airport - Airport Information

Airport Details

ICAO Code: VTCC
IATA Code: CNX
Type: large airport
Status: active
Elevation: 1,036 ft MSL

Location

City: Chiang Mai
Country: TH
Latitude: 18.766800°
Longitude: 98.962601°
Time Zone: Etc/GMT-7

Runway Information

Runway 18/36
Length: 11,155 ft
Width: 148 ft
Surface: ASP
ILS: No

About Chiang Mai International Airport

Overview

Chiang Mai International Airport (VTCC) serves as a critical aviation hub in northern Thailand, located at coordinates 18.766800, 98.962601. Situated at an elevation of 1036 feet above mean sea level, this large airport provides essential air transportation services for the Chiang Mai region. The airport's single runway (18/36) extends 11,155 feet and is constructed with asphalt surface.

Flying Conditions

Northern Thailand's climate presents variable conditions for aviators, with significant seasonal wind shifts and potential atmospheric variations. Pilots should anticipate temperature and density altitude changes that correlate with the airport's 1036-foot elevation. The asphalt runway provides stable surface conditions, but seasonal humidity and temperature fluctuations may impact aircraft performance.

Notable Features

Chiang Mai's geographic position in northern Thailand introduces complex terrain considerations for pilots, with mountainous surroundings that can generate localized wind patterns and potential turbulence. The airport's substantial runway length of 11,155 feet provides considerable operational flexibility for various aircraft types. Pilots must remain cognizant of potential orographic influences on local meteorological conditions.

Approach Considerations

The runway's 18/36 orientation suggests potential crosswind scenarios depending on prevailing wind directions. With an extensive runway length, pilots have significant margin for approach and landing variations. Standard instrument approach procedures should account for the surrounding mountainous terrain and potential localized wind gradient effects.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.