Climate Altamira Interstate Airport 2020-2024

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

Calculated from historical METAR data of Altamira Interstate Airport (SBHT) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	51.9	42	56	61	64	46
February	45.9	45	41	59	56	45
March	47.5	41	52	46	62	52
April	51.9		47	59	66	57
May	60.3		60	62	74	62
June	71.2		70	73	70	80
July	73.0		61	73	76	88
August	70.9		63	76	79	80
September	63.5		54	71	76	65
October	63.7		58	70	69	76
November	58.3		53	58	61	68
December	53.3		47	55	51	67
Average	57.6	42.6	55.2	63.6	67.0	65.3

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	97.8	98	98	95	96	97
February	96.3	97	98	98	96	95
March	98.1	98	99	97	99	99
April	97.0		96	98	96	96
May	98.5		99	98	99	98
June	99.0		99	98	99	100
July	99.5		99	100	99	100
August	99.8		100	100	100	99
September	99.7		100	100	99	99
October	99.7		100	100	99	100
November	98.6		98	99	99	97
December	99.0		100	100	99	98
Average	98.5	97.7	98.7	98.4	98.4	98.0

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	31.1	33	31	30	30	31
February	27.8	16	31	31	30	24
March	30.8	31	32	31	31	30
April	30.3		31	31	31	31
May	30.6		32	28	32	31
June	28.0		32	4	32	32
July	28.1		33	0	32	33
August	33.4		35	31	34	32
September	32.5		36	34	33	33
October	29.7		36	33	33	33
November	30.2		36	33	32	32
December	32.1		35	32	32	31
Average	30.0	26.7	33.4	26.2	31.8	30.9

91st 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	23	23
February	21.0	11	23	23	24	18
March	23.5	25	24	23	23	24
April	22.2		24	24	21	23
May	22.4		24	19	21	26
June	19.9		23	2	23	24
July	19.3		22	0	22	25
August	21.6		23	17	23	20
September	22.5		24	23	23	22
October	20.1		25	24	22	21
November	21.9		25	24	24	24
December	23.5		25	24	24	24
Average	21.6	20.0	23.6	18.6	22.6	22.7

47th 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	7.9	5	6	14	10	10
February	11.1	8	7	10	11	10
March	7.7	11	5	12	3	12
April	5.9		6	4	7	9
May	2.9		5	4	2	5
June	1.5		2	2	2	2
July	0.7		1	1	1	0
August	0.2		0	0	0	1
September	0.5		0	1	1	0
October	0.5		0	1	2	0
November	2.8		0	0	5	6
December	3.9		3	2	4	3
Average	4.3	7.8	2.8	4.3	3.7	4.7

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	3.6	4	3	3	3	4
February	3.3	2	3	3	4	4
March	3.7	4	4	3	4	4
April	3.3		3	4	3	3
May	3.1		3	4	3	3
June	3.2		3	4	3	3
July	3.6		4	5	3	4
August	4.3		5	5	4	4
September	4.4		5	5	4	4
October	4.6		6	5	4	4
November	4.0		6	4	4	4
December	4.0		5	4	4	4
Average	3.7	3.6	4.2	4.1	3.6	3.9

91st 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	081°	075°	078°	075°	070°
February	061°	039°	074°	070°	072°
March	057°	078°	068°	070°	063°
April		081°	075°	075°	078°
May		073°	088°	081°	098°
June		091°	035°	078°	111°
July		098°	014°	077°	107°
August		070°	055°	076°	089°
September		085°	063°	069°	081°
October		092°	056°	068°	069°
November		091°	083°	071°	075°
December		086°	068°	070°	071°

Prevailing wind direction

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