Climate João Correa da Rocha Airport 2020-2024

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

Calculated from historical METAR data of João Correa da Rocha Airport (SBMA) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	74.2	73	70	72	78	63
February	70.0	66	69	68	71	64
March	72.5	70	67	69	73	74
April	78.2		79	75	78	76
May	83.9		82	79	81	89
June	92.7		92	88	91	93
July	94.8		94	97	91	97
August	87.8		83	91	87	88
September	79.7		79	83	72	84
October	72.1		62	70	72	75
November	71.9		67	75	69	73
December	73.0		72	69	69	67
Average	78.1	69.7	76.0	78.1	77.6	78.5

68th 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	96.9	97	94	94	98	98
February	95.5	95	98	97	94	95
March	96.3	96	92	96	96	98
April	97.8		98	98	96	98
May	98.7		97	100	99	99
June	99.5		100	99	100	99
July	99.8		100	100	100	100
August	99.8		100	100	100	100
September	99.2		99	100	99	99
October	98.8		98	100	98	100
November	96.6		97	98	97	94
December	97.1		100	97	94	98
Average	97.8	95.9	97.7	98.1	97.6	98.1

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	32.1	31	31	31	33	31
February	31.9	32	32	32	32	31
March	32.2	32	31	31	31	32
April	33.0		32	33	32	32
May	33.4		33	33	34	33
June	34.6		35	33	34	34
July	36.0		36	36	36	36
August	36.9		36	37	37	37
September	36.7		36	37	34	37
October	35.7		35	36	34	35
November	33.8		34	33	32	32
December	32.6		33	32	31	32
Average	33.8	31.5	33.6	33.6	33.3	33.5

2nd 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	22.7	22	23	22	23	24
February	22.9	24	21	23	23	24
March	22.6	25	22	24	22	24
April	21.8		23	23	17	23
May	23.1		23	23	23	24
June	21.0		22	22	17	22
July	20.6		21	21	21	21
August	21.7		22	21	22	22
September	23.9		24	24	24	24
October	24.2		24	24	24	25
November	23.0		23	24	23	24
December	23.5		25	24	24	24
Average	22.7	23.5	22.7	22.8	21.9	23.3

88th lowest temperature of Brazil

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	6.8	9	6	10	4	15
February	11.0	16	4	4	17	14
March	8.1	8	14	8	6	11
April	3.7		4	0	5	10
May	2.3		5	1	3	3
June	0.3		1	1	0	0
July	0.0		0	0	0	0
August	0.2		1	0	1	1
September	0.4		1	0	1	0
October	1.1		1	1	2	2
November	4.3		2	6	4	9
December	6.4		3	7	13	7
Average	4.5	10.9	3.3	3.1	4.5	5.8

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	3.4	3	3	3	3	3
February	3.2	2	3	3	3	3
March	3.2	3	3	3	3	4
April	3.3		3	3	3	3
May	3.3		3	3	3	3
June	3.7		3	3	3	4
July	4.0		4	4	3	4
August	4.7		5	5	4	5
September	5.1		5	5	5	5
October	4.5		4	5	4	4
November	3.7		4	4	3	4
December	3.5		4	3	3	3
Average	3.7	2.6	3.7	3.7	3.5	3.8

2nd 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	012°	345°	356°	009°	345°
February	341°	003°	351°	011°	342°
March	306°	347°	348°	349°	330°
April		001°	013°	020°	028°
May		076°	073°	090°	090°
June		073°	073°	023°	106°
July		054°	084°	064°	101°
August		033°	043°	041°	060°
September		025°	027°	012°	033°
October		013°	014°	013°	007°
November		020°	015°	358°	013°
December		015°	002°	006°	006°

Prevailing wind direction

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