Climate Lektop-Thames Airport 2020-2024

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

Calculated from historical METAR data of Don Mueang International Airport (VTBD) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	84.5	92	95	88	84	74
February	86.6	94	94	84	79	81
March	93.8	98	91	97	94	97
April	91.0		91	87	86	94
May	96.5		99	96	99	97
June	97.9		99	98	98	96
July	97.7		98	98	97	97
August	97.1		97	97	96	97
September	95.1		98	95	93	98
October	93.6		93	99	93	89
November	95.8		98	98	97	96
December	91.8		97	100	95	94
Average	93.4	94.5	95.8	94.5	92.7	92.6

6th best VFR conditions of Thailand

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	95.1	97	100	99	92	92
February	95.7	98	99	97	91	93
March	98.4	99	98	100	99	99
April	98.4		100	97	97	98
May	99.2		100	99	99	100
June	99.4		100	99	100	99
July	99.1		99	99	99	99
August	99.1		100	100	99	98
September	98.7		100	99	99	99
October	98.9		100	99	100	98
November	99.5		100	100	100	99
December	97.4		98	100	99	97
Average	98.2	98.0	99.3	98.9	97.8	97.5

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	31.8	33	31	33	30	33
February	33.4	35	33	32	33	34
March	34.9	36	35	34	35	36
April	35.1		37	34	34	36
May	34.7		37	33	35	36
June	34.1		35	34	35	34
July	33.3		34	33	33	34
August	33.1		34	33	33	33
September	32.6		33	32	32	33
October	32.1		33	32	32	30
November	32.0		32	32	32	32
December	31.2		32	31	31	31
Average	33.3	34.6	33.7	32.8	32.9	33.5

6th highest temperature of Thailand

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	22	23	21	25
February	24.3	26	24	24	23	25
March	26.4	28	26	26	26	27
April	26.7		28	26	26	27
May	26.9		28	26	27	28
June	26.7		28	26	27	26
July	26.4		27	26	26	27
August	26.1		27	26	26	26
September	25.7		26	25	26	26
October	25.3		26	25	25	25
November	24.8		25	25	25	25
December	22.9		24	23	22	23
Average	25.5	26.0	25.8	25.2	25.1	25.6

31st lowest temperature of Thailand

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	1.0	0	0	1	0	0
February	0.7	0	2	3	0	0
March	1.4	2	0	3	0	1
April	3.1		2	3	4	3
May	4.8		2	7	5	5
June	4.3		3	3	4	5
July	7.4		5	7	8	7
August	8.0		5	10	8	7
September	8.3		5	11	12	11
October	7.2		8	6	6	15
November	1.3		1	1	2	1
December	0.8		0	0	0	0
Average	3.7	0.8	2.7	4.7	4.1	4.5

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	5.6	6	6	5	6	6
February	6.1	6	6	6	6	7
March	6.8	7	7	6	7	8
April	6.5		7	6	6	7
May	6.6		7	8	6	7
June	7.2		8	6	8	7
July	7.8		9	7	8	6
August	7.7		8	7	7	8
September	6.1		7	6	6	6
October	5.5		5	6	6	6
November	5.9		5	6	6	6
December	5.7		6	6	6	5
Average	6.5	6.2	6.7	6.2	6.3	6.4

6th highest wind speed of Thailand

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	082°	039°	096°	064°	120°
February	168°	112°	109°	122°	125°
March	186°	160°	171°	176°	188°
April		183°	163°	190°	179°
May		239°	228°	219°	195°
June		237°	239°	247°	215°
July		254°	241°	237°	234°
August		243°	232°	231°	239°
September		240°	263°	248°	236°
October		360°	052°	326°	348°
November		036°	038°	049°	044°
December		050°	049°	036°	036°

Prevailing wind direction

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