Climate Semonkong Airport 2020-2024

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

Calculated from historical METAR data of Bram Fischer International Airport (FABL) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	90.4	97	89	90	72	92
February	88.9	95	75	96	86	90
March	90.6	95	85	88	89	89
April	89.6		94	84	97	84
May	93.9		80	96	97	98
June	94.5		87	91	96	97
July	94.8		88	94	94	95
August	94.0		85	94	92	96
September	93.2		73	95	99	92
October	94.2		87	94	91	97
November	94.1		93	86	94	93
December	89.9		84	89	85	93
Average	92.6	95.9	85.0	91.5	90.3	92.9

4th best VFR conditions of South Africa

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	97.0	100	94	97	95	97
February	96.4	99	92	99	93	98
March	96.4	98	95	94	94	98
April	96.0		96	93	99	94
May	97.7		93	99	98	99
June	97.3		93	97	98	98
July	97.6		95	97	97	98
August	96.0		86	98	95	98
September	95.5		79	96	99	98
October	97.3		93	97	97	99
November	98.1		94	99	99	98
December	97.3		98	97	95	97
Average	97.1	99.0	92.2	96.8	96.4	97.6

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	29.7	30	31	28	27	30
February	28.5	31	28	29	28	28
March	27.6	31	28	25	27	26
April	23.7		25	22	26	22
May	21.2		21	21	21	21
June	18.7		18	19	19	18
July	18.5		18	19	17	19
August	20.7		22	21	20	20
September	25.5		25	26	26	24
October	27.4		28	29	25	29
November	29.0		31	26	28	28
December	29.2		30	28	26	29
Average	25.6	30.8	25.3	24.2	24.1	24.4

11th highest temperature of South Africa

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	15.4	16	14	14	16	16
February	14.8	14	15	14	14	16
March	12.3	13	12	12	11	13
April	8.2		6	7	8	9
May	3.0		4	3	1	2
June	-2.9		-1	-1	-1	-3
July	-2.1		-1	0	-4	-3
August	0.5		0	1	1	-2
September	5.5		4	7	7	5
October	9.6		9	12	8	10
November	11.9		13	11	10	13
December	14.1		15	13	13	15
Average	8.4	14.3	7.4	7.4	6.8	7.4

1st lowest temperature of South Africa

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	3.4	1	0	5	9	4
February	4.4	1	6	0	7	6
March	2.9	1	2	6	4	3
April	3.1		0	7	1	5
May	1.5		4	3	0	0
June	0.1		0	1	0	0
July	0.1		0	0	0	0
August	0.7		0	0	4	0
September	0.2		1	1	1	0
October	1.7		2	1	3	3
November	1.5		0	3	3	4
December	3.7		4	3	8	4
Average	2.0	0.7	1.5	2.4	3.4	2.5

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	7.3	7	6	6	7	8
February	6.7	7	6	6	6	6
March	6.7	8	7	6	7	7
April	5.7		5	6	6	6
May	5.0		5	5	6	4
June	5.5		5	5	7	5
July	5.9		6	5	7	6
August	6.7		4	7	8	7
September	7.5		5	7	10	8
October	7.7		6	8	9	8
November	8.7		6	9	9	9
December	8.8		9	8	9	8
Average	7.0	7.2	5.8	6.4	7.5	7.0

11th highest wind speed of South Africa

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	342°	005°	009°	023°	357°
February	325°	009°	340°	351°	006°
March	330°	002°	359°	319°	348°
April		325°	351°	286°	345°
May		355°	309°	297°	277°
June		330°	352°	318°	314°
July		318°	348°	316°	316°
August		348°	310°	321°	299°
September		307°	324°	332°	330°
October		325°	334°	321°	327°
November		350°	345°	307°	328°
December		345°	340°	353°	335°

Prevailing wind direction

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