Climate Brits Airport 2020-2024

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

Calculated from historical METAR data of Wonderboom Airport (FAWB) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	18.4	9	12	30	11	80
February	16.2	8	9	18	5	79
March	14.9	2	14	28	5	11
April	13.8		17	9	9	3
May	14.6		6	14	14	5
June	14.0		10	16	7	13
July	14.3		5	19	4	17
August	20.2		6	15	12	30
September	17.5		7	12	18	14
October	17.1		12	15	10	8
November	18.4		9	9	89	10
December	20.9		7	7	66	25
Average	19.3	6.6	9.2	14.9	12.0	15.1

15th 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	22.9	14	13	39	17	97
February	21.0	12	13	20	10	99
March	17.7	3	17	36	7	12
April	16.8		19	13	10	4
May	15.6		7	15	14	5
June	14.7		10	16	7	14
July	14.9		5	20	5	17
August	21.2		6	17	12	33
September	18.3		9	12	18	14
October	18.9		13	17	12	9
November	21.2		11	12	100	14
December	26.2		10	9	86	34
Average	22.1	9.5	11.0	17.2	14.7	17.5

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	29.2	29	30	27	28	32
February	29.1	31	27	29	28	28
March	28.5	30	28	26	28	27
April	25.0		24	23	26	25
May	23.7		22	22	24	24
June	21.5		22	20	21	20
July	19.0		20	22	18	21
August	23.3		23	24	24	23
September	26.9		29	29	27	27
October	28.6		28	30	28	29
November	28.4		29	26	27	28
December	27.7		29	28	25	28
Average	26.3	29.9	26.0	25.2	25.0	25.7

7th 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	18.5	18	17	20	20	26
February	18.1	19	17	18	17	22
March	16.7	17	16	16	14	15
April	13.3		14	11	11	13
May	8.5		10	7	7	6
June	5.5		5	4	4	3
July	4.1		4	4	4	3
August	7.7		6	6	8	12
September	11.7		12	10	14	12
October	13.7		15	15	15	15
November	15.4		17	15	23	15
December	16.8		18	17	21	19
Average	13.1	17.9	12.3	11.7	12.8	12.8

12th 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	0.5	1	0	0	0	2
February	0.7	0	1	1	0	2
March	0.0	0	0	0	0	0
April	0.7		1	2	0	0
May	0.0		0	0	0	0
June	0.0		0	0	0	0
July	0.0		0	0	0	0
August	0.0		0	0	0	0
September	0.2		0	0	0	0
October	0.2		1	0	0	0
November	0.4		1	1	2	0
December	1.0		0	0	5	2
Average	0.3	0.1	0.1	0.3	0.2	0.2

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	5.1	5	5	6	5	6
February	4.9	5	5	5	6	6
March	4.8	5	5	4	5	5
April	4.3		4	5	4	5
May	4.0		5	5	5	4
June	4.3		4	5	5	4
July	4.4		6	4	5	5
August	5.6		5	6	6	6
September	5.6		6	5	6	6
October	5.5		6	6	7	6
November	5.3		6	6	6	5
December	5.6		6	6	6	5
Average	4.9	5.0	5.2	5.2	5.2	5.1

7th 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	034°	061°	071°	080°	026°
February	349°	070°	060°	086°	081°
March	022°	034°	069°	338°	243°
April		330°	029°	338°	020°
May		350°	304°	290°	288°
June		303°	088°	289°	226°
July		306°	328°	273°	321°
August		011°	323°	001°	326°
September		338°	358°	023°	006°
October		036°	012°	018°	026°
November		008°	015°	356°	356°
December		031°	345°	013°	023°

Prevailing wind direction

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