Climate Marechal Cunha Machado International Airport 2020-2024

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

Calculated from historical METAR data of Marechal Cunha Machado International Airport (SBSL) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	51.0	67	55	71	56	31
February	47.5	64	60	62	50	36
March	46.6	63	59	58	42	42
April	52.4		67	69	63	47
May	60.8		71	77	66	58
June	69.7		79	90	58	66
July	72.6		90	87	57	70
August	74.8		83	88	65	75
September	73.6		87	79	56	73
October	71.3		82	81	63	73
November	66.6		86	74	67	58
December	60.9		72	86	67	56
Average	62.1	64.5	74.0	76.5	59.3	57.1

73rd best VFR conditions of Brazil

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	97.1	97	96	96	98	96
February	95.9	94	95	99	94	99
March	96.5	96	97	95	98	97
April	97.2		96	98	99	96
May	97.9		97	98	98	98
June	99.1		99	99	99	99
July	99.4		100	98	99	100
August	99.7		100	99	99	100
September	99.9		100	100	100	100
October	99.8		100	100	100	100
November	99.7		100	100	99	100
December	98.6		100	100	97	100
Average	98.1	95.3	98.1	98.4	98.3	98.6

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	30.7	31	32	31	31	30
February	30.2	31	31	31	30	30
March	30.2	31	31	31	30	30
April	30.7		32	32	31	30
May	31.4		32	32	32	32
June	31.5		32	32	31	32
July	31.5		32	33	32	31
August	31.7		31	33	32	32
September	32.1		32	33	32	32
October	32.3		33	33	33	32
November	32.2		33	32	33	32
December	31.8		33	33	33	32
Average	31.3	30.8	32.0	32.0	31.5	31.1

14th highest temperature of Brazil

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	24.6	26	25	25	24	25
February	24.0	25	25	26	25	23
March	23.7	23	25	25	24	24
April	24.3		25	25	25	24
May	24.5		26	25	25	25
June	24.9		26	26	25	25
July	24.7		26	26	25	25
August	25.1		25	26	26	25
September	25.8		26	27	26	26
October	26.1		26	27	27	26
November	25.9		27	26	26	26
December	25.9		26	27	27	26
Average	24.9	24.6	25.7	25.7	25.3	24.8

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	4.0	3	4	8	2	6
February	7.4	10	4	3	6	3
March	6.8	6	5	7	5	8
April	5.1		3	4	3	7
May	3.3		5	1	3	2
June	1.5		2	2	2	1
July	1.1		1	2	1	1
August	0.2		0	0	1	0
September	0.2		0	0	1	0
October	0.1		0	0	0	0
November	0.4		0	0	1	1
December	1.1		1	0	3	0
Average	3.0	6.2	2.0	2.4	2.2	2.4

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	9.0	10	8	8	10	8
February	8.0	8	8	9	9	7
March	7.0	7	7	6	8	6
April	6.3		6	7	7	5
May	6.6		7	6	6	6
June	6.9		7	7	7	7
July	7.7		9	7	8	7
August	9.5		10	8	9	9
September	11.6		12	11	12	12
October	12.7		13	13	12	13
November	11.8		13	10	11	11
December	11.2		12	12	11	11
Average	8.9	8.2	9.2	8.5	9.0	8.5

14th highest wind speed of Brazil

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	044°	046°	058°	057°	029°
February	047°	048°	056°	057°	043°
March	037°	033°	055°	044°	019°
April		048°	052°	072°	049°
May		072°	085°	087°	078°
June		080°	085°	063°	098°
July		062°	082°	071°	077°
August		050°	062°	069°	064°
September		051°	053°	057°	054°
October		048°	051°	050°	050°
November		047°	042°	050°	059°
December		046°	050°	057°	057°

Prevailing wind direction

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