Climate Marechal Rondon Airport 2020-2024

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

Calculated from historical METAR data of Marechal Rondon Airport (SBCY) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	79.9	75	74	75	77	88
February	74.3	78	74	64	68	82
March	74.4	69	71	67	80	79
April	78.1		68	80	82	84
May	81.6		74	89	77	85
June	82.0		85	70	87	84
July	93.9		94	100	97	90
August	88.7		98	95	94	75
September	72.0		91	74	86	42
October	88.0		93	91	92	69
November	81.4		93	81	66	90
December	79.0		84	73	64	86
Average	80.2	73.9	82.9	79.8	80.3	79.5

62nd 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	96.7	97	93	97	97	98
February	96.2	99	95	96	98	96
March	95.7	97	98	92	99	96
April	94.5		95	96	97	97
May	93.3		89	98	94	94
June	92.6		92	88	98	94
July	98.9		100	100	100	99
August	96.3		100	98	98	83
September	90.9		98	95	99	66
October	96.4		98	97	98	90
November	96.3		99	95	92	98
December	97.6		99	96	98	98
Average	95.7	97.6	96.2	95.7	97.1	92.4

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	32.7	34	32	32	33	34
February	32.5	34	32	31	33	33
March	32.8	34	32	31	32	34
April	32.6		31	33	32	33
May	31.6		32	31	32	31
June	31.2		30	30	32	33
July	32.8		34	34	32	34
August	34.6		36	34	35	36
September	36.9		38	35	38	39
October	35.3		38	33	36	38
November	33.9		37	34	32	36
December	33.1		36	32	32	34
Average	33.3	33.8	33.8	32.3	33.1	34.4

10th 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	23.3	24	23	23	24	25
February	23.5	24	23	23	24	24
March	23.9	25	23	23	23	24
April	22.8		23	22	22	23
May	20.6		21	18	20	19
June	18.8		17	18	19	20
July	17.5		18	19	16	19
August	20.1		22	18	20	21
September	23.5		24	23	25	24
October	24.4		26	24	25	26
November	23.4		25	21	24	25
December	23.7		25	24	24	25
Average	22.4	24.5	22.5	21.2	22.2	22.9

63rd 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	4.5	3	8	6	3	2
February	4.3	3	4	5	2	6
March	3.6	3	6	4	3	3
April	1.8		3	0	2	1
May	1.0		0	2	2	1
June	1.1		2	5	0	0
July	0.1		0	0	0	0
August	0.4		0	2	0	0
September	0.7		1	0	1	0
October	1.2		2	2	2	1
November	2.7		1	1	6	1
December	3.3		2	3	4	3
Average	2.3	2.9	2.4	2.6	2.0	1.5

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	6.3	7	7	6	6	7
February	5.9	6	6	6	6	6
March	5.5	6	5	6	6	5
April	4.9		5	5	5	5
May	5.2		5	6	6	5
June	5.3		5	5	6	6
July	5.5		5	6	6	6
August	6.1		6	6	6	6
September	6.2		7	7	6	6
October	6.7		7	6	7	7
November	6.5		7	7	7	6
December	6.3		6	7	6	7
Average	5.9	6.0	6.0	6.0	6.0	5.9

10th 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	304°	301°	303°	309°	310°
February	310°	306°	310°	282°	309°
March	303°	319°	291°	311°	325°
April		254°	296°	204°	178°
May		176°	183°	284°	261°
June		060°	199°	241°	318°
July		305°	323°	238°	316°
August		306°	252°	225°	285°
September		301°	214°	291°	283°
October		295°	281°	286°	287°
November		309°	203°	296°	310°
December		309°	306°	312°	312°

Prevailing wind direction

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