Climate Romeu Zema Airport 2020-2024

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

Calculated from historical METAR data of Romeu Zema Airport (SBAX) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	73.4	76	56	64	88	73
February	70.7	69	85	65	75	64
March	82.9	77	81	91	92	76
April	87.0		72	96	97	87
May	93.0		95	93	99	94
June	97.8		97	99	99	96
July	97.8		94	100	100	99
August	97.0		97	98	99	92
September	95.1		95	91	99	97
October	88.0		92	92	85	81
November	79.1		93	84	78	90
December	75.0		87	56	59	86
Average	84.1	74.2	85.9	86.7	89.7	85.3

33rd 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	91.4	92	81	86	98	90
February	90.5	93	98	86	88	86
March	96.4	93	99	99	98	96
April	98.2		98	100	100	99
May	98.2		97	99	99	96
June	99.5		98	100	99	100
July	100.0		100	100	100	100
August	99.4		99	99	100	100
September	98.5		100	98	99	97
October	96.5		97	97	96	92
November	94.9		99	98	92	99
December	91.6		96	83	87	96
Average	95.7	92.5	96.0	95.6	96.5	95.4

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	25.1	29	26	27	28	28
February	25.1	28	29	27	28	27
March	25.3	28	28	29	28	27
April	24.0		27	28	27	27
May	22.1		26	24	26	24
June	22.0		25	25	25	25
July	22.4		26	26	25	26
August	23.4		29	26	27	26
September	26.9		31	29	32	30
October	29.0		30	29	28	29
November	28.1		31	27	28	28
December	27.9		30	26	27	27
Average	25.0	28.3	28.1	26.9	27.3	27.0

83rd 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	15.1	2	19	20	19	20
February	15.1	4	20	19	19	19
March	14.2	0	20	19	19	19
April	15.5		19	18	16	18
May	13.2		16	14	15	14
June	12.7		14	14	14	15
July	12.1		15	14	11	14
August	13.6		17	15	15	14
September	16.8		20	17	20	18
October	19.4		21	19	19	20
November	18.7		18	17	20	18
December	18.1		12	19	20	19
Average	14.0	2.1	17.4	16.7	17.0	17.1

27th 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	8.8	7	22	12	2	8
February	10.5	6	4	19	10	16
March	5.2	10	6	3	5	3
April	2.8		5	2	2	3
May	2.5		2	3	1	5
June	0.3		0	1	1	0
July	0.0		0	0	0	0
August	0.6		1	1	0	1
September	2.1		0	3	1	3
October	6.8		6	6	9	11
November	6.2		2	5	6	6
December	9.2		6	18	14	8
Average	5.1	7.7	5.2	5.8	4.0	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	5.4	5	6	6	6	5
February	5.3	6	5	5	5	5
March	5.3	5	6	6	5	5
April	5.5		6	5	6	6
May	5.2		5	6	5	5
June	5.6		5	5	5	6
July	6.4		7	6	6	6
August	6.7		6	7	7	7
September	6.5		6	6	6	6
October	6.1		6	6	6	7
November	5.7		6	7	5	6
December	5.6		6	6	5	5
Average	5.7	5.3	5.7	5.9	5.6	5.8

83rd 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	357°	009°	036°	052°	349°
February	042°	043°	022°	028°	004°
March	045°	090°	060°	038°	078°
April		071°	065°	082°	063°
May		091°	045°	026°	053°
June		090°	073°	067°	066°
July		101°	069°	078°	061°
August		070°	083°	081°	078°
September		073°	058°	061°	078°
October		013°	061°	059°	068°
November		036°	080°	038°	065°
December		053°	042°	060°	051°

Prevailing wind direction

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