Climate Base Aérea Airport 2020-2024

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

Calculated from historical METAR data of Base Aérea Airport (SBAN) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	66.0	45	53	52	86	48
February	63.2	56	77	61	53	61
March	73.9	57	79	93	82	60
April	82.9		70	96	94	71
May	95.7		99	97	99	90
June	97.2		96	96	97	96
July	99.1		98	100	100	100
August	98.3		96	100	100	99
September	90.1		98	90	73	88
October	86.1		93	90	77	69
November	74.1		88	74	50	85
December	67.1		80	49	42	80
Average	79.3	52.5	85.1	83.9	78.9	77.8

43rd 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	82.8	73	83	68	97	67
February	84.6	82	96	84	75	82
March	89.8	84	93	96	95	85
April	94.4		91	99	98	89
May	97.4		99	97	99	95
June	98.6		98	98	98	99
July	99.4		99	100	100	100
August	99.5		98	100	100	100
September	97.1		99	96	92	97
October	94.6		99	95	93	85
November	87.2		97	89	72	92
December	84.6		91	71	80	93
Average	90.9	79.5	95.0	91.4	91.4	89.5

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	26.9	27	26	26	28	27
February	26.7	27	28	26	26	27
March	27.0	28	27	28	27	27
April	26.4		27	28	27	26
May	26.1		27	26	27	25
June	25.8		26	27	26	26
July	25.8		27	26	26	26
August	28.1		29	28	28	27
September	30.3		31	30	32	30
October	29.4		31	29	29	29
November	27.0		30	27	26	28
December	26.8		29	25	26	28
Average	27.2	27.4	28.0	27.1	27.1	27.0

80th 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	18.1	18	18	18	19	19
February	17.9	18	18	17	18	19
March	18.2	20	18	18	18	19
April	17.3		18	18	17	18
May	15.5		16	14	15	15
June	14.7		15	15	15	15
July	13.4		15	13	13	14
August	15.8		17	15	16	15
September	18.2		20	18	19	18
October	18.9		20	18	19	19
November	17.9		20	17	17	18
December	18.3		20	18	19	19
Average	17.2	18.7	17.7	16.4	16.9	17.2

22nd 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	10.8	17	14	22	3	19
February	10.4	10	5	15	18	14
March	6.0	10	8	5	6	6
April	3.9		9	0	3	7
May	0.6		0	1	0	0
June	0.1		0	0	0	0
July	0.0		0	0	0	0
August	0.0		1	0	0	0
September	1.1		2	1	0	3
October	3.0		3	3	3	6
November	5.8		4	4	11	4
December	8.9		6	14	16	7
Average	5.2	12.5	4.4	5.2	5.1	5.9

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	5.3	4	5	5	6	5
February	5.0	5	5	5	4	5
March	5.4	5	6	6	5	5
April	6.1		6	7	6	6
May	6.5		6	6	6	6
June	7.3		7	7	7	8
July	7.8		7	8	7	8
August	7.6		7	8	8	8
September	7.4		7	7	7	7
October	6.3		6	7	6	6
November	5.4		5	5	5	6
December	5.1		6	4	4	5
Average	6.1	4.5	5.9	6.2	5.9	6.1

80th 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	348°	015°	037°	036°	324°
February	064°	080°	055°	328°	015°
March	069°	078°	076°	044°	056°
April		089°	093°	096°	085°
May		099°	093°	098°	096°
June		092°	094°	094°	077°
July		089°	080°	099°	081°
August		087°	091°	105°	086°
September		081°	088°	121°	077°
October		076°	087°	139°	033°
November		070°	045°	041°	069°
December		087°	347°	020°	011°

Prevailing wind direction

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