Climate Bokpyinn Airport 2020-2024

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

Calculated from historical METAR data of Chumphon Airport (VTSE) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	72.1	80	95	93	87	74
February	72.4	82	86	85	86	82
March	84.5	91	85	92	91	95
April	83.4		89	89	90	87
May	85.1		96	82	91	92
June	84.4		89	90	92	88
July	80.5		85	88	87	94
August	80.8		82	89	91	88
September	80.8		77	86	94	85
October	79.9		88	75	87	86
November	73.8		82	83	75	87
December	75.3		91	87	90	87
Average	79.9	84.4	87.0	86.6	88.5	86.9

16th 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	96.7	99	100	100	100	100
February	97.3	99	99	97	99	99
March	98.4	99	100	99	100	100
April	98.2		99	99	98	99
May	98.6		100	98	98	100
June	98.8		99	100	100	99
July	98.1		98	98	99	100
August	98.6		99	100	100	98
September	98.8		99	99	99	99
October	98.1		99	95	97	99
November	96.6		97	98	94	99
December	97.7		99	97	98	97
Average	98.1	98.8	99.0	98.2	98.3	99.1

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	30.2	31	30	32	30	32
February	30.8	31	31	31	31	31
March	32.1	33	32	32	32	33
April	32.8		34	33	33	33
May	33.1		35	31	33	34
June	32.5		33	33	33	33
July	31.9		32	31	32	34
August	31.8		32	32	32	33
September	31.5		31	32	31	32
October	31.1		32	30	31	31
November	30.6		30	30	30	32
December	30.1		31	30	31	30
Average	31.5	31.5	31.9	31.4	31.6	32.2

24th 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	22.3	23	21	22	21	23
February	23.0	24	22	24	22	24
March	23.7	25	23	24	23	23
April	24.7		25	25	24	25
May	25.0		26	25	25	25
June	24.5		25	24	25	25
July	24.4		25	24	24	24
August	24.4		25	24	24	24
September	24.0		24	24	24	24
October	24.2		25	24	25	24
November	23.8		24	23	24	24
December	22.8		24	23	22	22
Average	23.9	23.8	24.0	23.8	23.6	23.9

24th 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	6.4	10	1	2	4	3
February	7.0	7	7	23	3	7
March	2.6	3	0	8	3	1
April	6.7		0	8	11	14
May	9.4		5	29	12	8
June	15.3		23	9	13	18
July	21.8		29	32	25	11
August	21.0		21	17	18	21
September	21.5		34	27	24	21
October	19.5		14	33	33	21
November	14.6		14	22	32	7
December	8.1		6	15	5	9
Average	12.0	6.4	12.8	18.7	15.2	11.6

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	5.7	6	6	5	6	5
February	5.5	5	5	4	6	6
March	5.2	5	6	4	5	6
April	5.3		6	4	5	5
May	5.5		7	4	5	5
June	6.0		7	4	6	5
July	6.1		8	4	5	5
August	6.3		8	4	6	6
September	5.4		6	4	5	5
October	4.5		5	3	4	4
November	5.5		6	4	4	6
December	6.1		7	5	5	6
Average	5.5	5.1	6.5	4.0	5.2	5.3

24th 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	081°	051°	100°	065°	107°
February	117°	088°	107°	109°	104°
March	124°	115°	125°	118°	127°
April		154°	116°	140°	110°
May		248°	250°	189°	151°
June		255°	253°	251°	243°
July		255°	258°	255°	249°
August		255°	250°	255°	253°
September		250°	267°	257°	238°
October		311°	063°	255°	254°
November		044°	066°	074°	059°
December		049°	049°	055°	062°

Prevailing wind direction

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