Climate Mersing Airport 2020-2024

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

Calculated from historical METAR data of Mersing Airport (WMAU) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	64.4	79	73	66	56	57
February	71.2	96	88	54	70	60
March	74.3	97	83	68	69	69
April	70.1		84	73	69	61
May	70.6		91	85	60	57
June	69.0		84	91	55	56
July	68.5		86	88	56	55
August	66.4		83	91	55	55
September	65.3		86	90	68	64
October	69.3		63	89	71	73
November	70.0		88	92	68	64
December	61.2		71	83	57	69
Average	69.5	90.0	81.7	80.8	62.6	61.3

23rd best VFR conditions of Malaysia

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	77.6	95	93	74	68	75
February	80.6	100	99	72	74	73
March	80.6	100	95	74	73	75
April	79.9		97	86	73	75
May	82.8		100	100	73	75
June	82.9		98	100	72	74
July	81.5		100	100	73	74
August	81.1		99	100	71	73
September	80.3		99	100	76	75
October	85.2		93	100	82	81
November	84.6		100	99	81	79
December	79.7		95	98	76	75
Average	82.6	98.0	97.2	91.7	74.1	75.1

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	29.2	29	29	30	28	30
February	29.9	31	29	30	30	30
March	31.0	32	30	31	31	32
April	32.2		32	32	32	33
May	33.0		34	33	32	33
June	32.4		33	32	33	31
July	32.3		33	32	32	31
August	32.0		32	32	31	32
September	32.1		33	32	32	32
October	32.1		33	31	33	33
November	30.9		31	31	31	30
December	29.5		29	30	30	30
Average	31.2	30.5	31.4	31.3	31.1	31.3

14th highest temperature of Malaysia

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	24.4	25	24	24	24	25
February	24.3	26	24	24	25	24
March	24.1	26	24	24	24	25
April	24.0		24	24	24	24
May	24.3		25	24	24	24
June	23.7		24	24	24	24
July	23.7		24	24	24	24
August	23.7		24	24	24	24
September	23.3		24	24	24	23
October	23.7		24	24	24	24
November	23.7		23	24	24	24
December	24.2		24	24	25	24
Average	24.0	25.2	24.0	24.0	23.9	24.1

9th lowest temperature of Malaysia

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	15.6	31	28	5	18	3
February	8.3	6	20	17	0	9
March	4.9	5	18	4	4	0
April	1.6		3	1	1	1
May	1.8		2	2	2	4
June	2.2		3	1	2	5
July	2.7		3	3	4	5
August	3.8		4	8	6	5
September	3.0		2	5	3	3
October	4.4		3	13	3	1
November	10.1		12	11	8	9
December	16.8		33	24	15	10
Average	7.1	14.2	10.8	7.1	5.4	4.4

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	8.1	8	8	9	9	9
February	8.4	9	9	7	9	9
March	6.6	8	8	6	7	7
April	4.7		5	4	5	5
May	4.8		5	5	5	5
June	5.0		6	5	5	5
July	5.4		6	5	6	5
August	5.8		6	5	5	6
September	5.7		7	5	6	5
October	4.8		6	4	5	5
November	4.8		6	4	5	5
December	6.6		7	5	8	7
Average	6.1	8.3	6.5	5.4	6.1	6.1

14th highest wind speed of Malaysia

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	349°	344°	329°	345°	349°
February	017°	338°	342°	343°	360°
March	021°	354°	356°	357°	015°
April		087°	360°	062°	024°
May		100°	106°	092°	092°
June		106°	121°	123°	130°
July		127°	121°	127°	116°
August		117°	124°	133°	117°
September		116°	143°	110°	120°
October		107°	280°	105°	155°
November		294°	323°	305°	343°
December		318°	340°	335°	331°

Prevailing wind direction

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