Climate Suvarnabhumi Airport 2020-2024

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

Calculated from historical METAR data of Suvarnabhumi Airport (VTBS) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	82.5	90	98	87	69	69
February	84.2	92	93	90	70	81
March	92.2	96	88	99	88	96
April	91.5		91	88	81	96
May	95.5		97	98	97	98
June	98.2		99	99	99	98
July	97.6		97	97	98	99
August	97.4		98	97	98	97
September	94.1		97	95	94	94
October	93.3		96	97	92	87
November	95.5		97	96	99	96
December	91.2		96	100	96	89
Average	92.6	92.5	95.5	95.0	90.0	91.6

5th 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	95.0	98	100	97	91	92
February	96.1	98	99	98	93	96
March	98.8	100	96	100	100	99
April	98.4		99	98	95	99
May	99.1		99	100	99	100
June	99.6		100	100	99	100
July	99.5		100	100	100	99
August	99.2		100	98	100	98
September	98.8		99	99	99	99
October	98.8		99	99	99	97
November	99.2		99	99	100	100
December	97.6		99	100	100	98
Average	98.3	98.2	98.9	98.8	97.7	98.1

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	31.7	33	31	32	30	33
February	32.8	34	32	32	33	34
March	33.7	34	33	34	34	34
April	34.4		35	34	33	35
May	34.2		36	33	34	36
June	33.2		34	34	34	33
July	32.6		33	33	33	33
August	32.4		34	32	33	33
September	32.3		33	32	32	32
October	32.1		33	32	32	30
November	32.1		32	33	32	32
December	31.2		32	31	31	31
Average	32.8	33.7	33.1	32.5	32.4	32.9

10th 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	23.5	25	22	24	21	25
February	24.7	27	25	25	24	25
March	26.8	28	26	27	27	27
April	27.0		28	26	26	27
May	27.0		28	26	27	28
June	26.6		28	26	27	26
July	26.1		27	26	26	26
August	25.9		27	26	26	25
September	25.6		26	25	26	26
October	25.2		26	25	26	24
November	24.8		25	25	25	25
December	23.0		25	23	23	23
Average	25.6	26.5	26.1	25.3	25.2	25.6

32nd 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	0.7	0	0	1	0	0
February	1.1	1	1	3	1	1
March	1.4	3	0	2	1	1
April	2.6		1	0	5	3
May	4.0		1	7	4	2
June	4.3		1	6	4	5
July	8.5		7	7	12	5
August	7.0		3	7	7	8
September	8.6		4	12	11	11
October	6.0		3	5	8	15
November	1.3		1	2	1	1
December	0.7		0	1	0	0
Average	3.6	1.5	1.9	4.5	4.5	4.3

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	6.7	7	7	6	6	7
February	7.5	8	7	7	7	8
March	8.7	9	8	7	8	10
April	8.1		8	8	7	9
May	7.4		7	8	7	9
June	7.9		9	7	8	8
July	7.5		8	7	8	7
August	7.9		8	7	8	8
September	6.3		7	6	6	7
October	6.3		6	7	6	6
November	6.9		7	6	7	8
December	7.3		7	7	7	7
Average	7.4	7.9	7.4	6.7	7.1	7.7

10th 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	074°	055°	097°	061°	115°
February	185°	109°	129°	131°	126°
March	189°	170°	184°	187°	190°
April		189°	152°	183°	185°
May		206°	190°	190°	188°
June		212°	202°	214°	189°
July		230°	216°	209°	196°
August		215°	205°	203°	207°
September		211°	224°	207°	198°
October		064°	066°	137°	014°
November		052°	059°	059°	052°
December		054°	057°	054°	053°

Prevailing wind direction

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