Climate Boma Airport 2020-2024

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

Calculated from historical METAR data of Soyo Airport (FNSO) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	65.9	46	55	77	64	66
February	66.2	33	64	68	64	64
March	63.2		77	52	42	66
April	68.3			57	72	78
May	57.6			47	52	58
June	45.1		25	54	41	38
July	45.9		47	66	39	50
August	60.3		60	66	57	55
September	54.9		37	49	51	45
October	55.4		34	53	44	45
November	62.8		39	54	59	57
December	68.1		47	64	70	73
Average	57.0	43.7	51.3	57.9	53.0	56.5

14th best VFR conditions of Angola

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	96.2	100	92	97	98	93
February	96.9	100	98	98	91	96
March	97.1		100	95	90	97
April	96.7			93	98	94
May	95.2			100	99	92
June	93.1		92	98	90	95
July	91.7		92	97	94	95
August	95.1		92	94	93	95
September	95.4		95	92	94	91
October	95.9		93	97	89	92
November	96.8		100	98	94	88
December	95.6		90	97	93	96
Average	95.9	100.0	94.0	96.3	93.0	93.5

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	9.2	0	30	31	0	0
February	11.7	0	32	32	0	1
March	9.5		32	31	0	0
April	7.9			31	0	0
May	6.0			30	0	0
June	5.9		0	28	0	2
July	4.6		0	26	0	1
August	3.6		2	26	0	0
September	4.5		0	28	0	0
October	4.5		0	29	0	0
November	7.3		0	30	13	1
December	10.0		0	30	30	0
Average	5.8		10.6	29.2	4.6	0.4

2nd highest temperature of Angola

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	7.5	0	26	25	0	0
February	9.1	0	27	24	0	0
March	7.2		28	27	0	0
April	6.6			27	0	0
May	4.6			24	0	0
June	4.0		0	21	0	0
July	3.9		0	23	0	0
August	2.7		0	23	0	0
September	3.9		0	24	0	0
October	3.3		0	23	0	0
November	5.0		0	25	8	0
December	8.2		0	26	25	0
Average	4.6		8.9	24.3	3.5

14th lowest temperature of Angola

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	7.0	0	8	4	0	7
February	5.8	0	1	1	8	10
March	5.6		0	7	19	7
April	3.0			2	5	1
May	2.2			0	1	1
June	0.0		0	0	0	0
July	0.0		0	0	0	0
August	0.4		1	0	1	0
September	1.7		1	1	3	1
October	4.4		4	1	5	4
November	5.0		7	2	6	6
December	6.5		16	4	10	4
Average	2.9		3.3	1.8	3.8	3.3

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	4.5	4	4	6	8	5
February	5.4	2	6	5	7	6
March	5.0		7	6	6	5
April	5.1			6	5	5
May	5.2			6	6	5
June	5.1		4	5	6	6
July	5.4		6	6	6	5
August	5.8		6	6	7	7
September	6.4		8	7	7	7
October	7.0		9	9	8	8
November	6.7		7	8	7	8
December	5.5		4	6	7	9
Average	5.5	3.5	5.9	6.4	6.6	6.1

2nd highest wind speed of Angola

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	257°	251°	254°	246°	247°
February	090°	249°	259°	242°	237°
March		250°	257°	247°	243°
April			245°	238°	239°
May			249°	243°	243°
June		251°	255°	249°	243°
July		250°	246°	253°	245°
August		248°	243°	248°	245°
September		257°	252°	252°	251°
October		251°	248°	251°	252°
November		248°	255°	252°	242°
December		247°	252°	253°	241°

Prevailing wind direction

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