Climate Parnaíba - Prefeito Doutor João Silva Filho International Airport 2020-2024

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

Calculated from historical METAR data of Parnaíba - Prefeito Doutor João Silva Filho International Airport (SBPB) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	88.7	90	92	84	97	77
February	80.8	83	83	87	87	83
March	79.2	84	78	76	73	81
April	83.9		89	83	94	78
May	90.7		94	87	85	89
June	92.8		88	92	91	84
July	95.1		96	95	95	89
August	98.5		98	98	100	99
September	98.7		98	98	99	100
October	98.5		99	98	98	100
November	97.9		98	97	97	95
December	94.7		92	99	91	100
Average	90.2	85.4	92.0	90.5	92.0	88.3

15th 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	99.6	100	99	99	100	100
February	99.5	99	100	100	98	100
March	99.7	100	100	99	100	99
April	99.6		100	100	100	99
May	99.9		100	100	100	100
June	100.0		100	100	100	100
July	100.0		100	100	100	100
August	100.0		100	100	100	100
September	100.0		100	100	100	100
October	100.0		100	100	100	100
November	99.9		100	100	100	100
December	100.0		100	100	100	100
Average	99.8	99.7	99.9	99.8	99.8	99.8

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	30.3	33	17	32	32	32
February	28.2	31	4	32	32	31
March	28.0	32	1	31	31	31
April	26.8		0	32	32	29
May	27.2		0	32	32	29
June	25.8		1	33	31	14
July	29.7		33	30	32	9
August	32.1		32	30	32	33
September	32.5		33	33	32	32
October	33.0		32	33	33	32
November	32.9		33	33	33	32
December	33.1		33	33	33	32
Average	30.1	32.0	18.3	31.7	32.1	28.1

17th 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	25.4	29	12	26	29	28
February	23.6	27	2	26	28	27
March	23.8	27	0	26	29	29
April	21.1		0	27	31	18
May	22.1		0	26	31	14
June	21.0		0	27	30	4
July	24.1		28	20	30	7
August	27.4		28	24	30	28
September	28.2		28	28	30	27
October	28.8		28	29	31	29
November	28.4		28	28	31	29
December	28.3		29	27	29	29
Average	25.3	27.7	15.3	26.1	29.7	22.6

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	1.6	1	1	5	0	4
February	4.8	5	3	2	4	3
March	3.3	2	3	5	1	7
April	3.5		2	2	0	4
May	1.3		0	1	0	1
June	0.4		1	1	1	0
July	0.2		0	1	0	0
August	0.0		0	0	0	0
September	0.0		0	0	0	0
October	0.0		0	0	0	0
November	0.1		0	0	0	2
December	0.4		0	0	0	0
Average	1.6	2.5	0.9	1.3	0.5	1.9

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	12.1	13	12	10	14	10
February	9.8	10	10	11	12	9
March	8.7	8	8	9	11	8
April	8.0		8	8	11	7
May	8.2		9	7	8	6
June	8.2		8	8	9	2
July	6.7		1	7	10	2
August	12.2		14	10	12	11
September	15.2		15	14	15	15
October	16.5		17	16	16	16
November	15.6		17	14	15	8
December	14.2		15	16	15	12
Average	11.1	10.5	11.2	10.7	12.6	8.6

17th 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	064°	122°	068°	066°	065°
February	063°	089°	068°	064°	065°
March	060°	089°	064°	057°	032°
April		103°	065°	070°	061°
May		099°	077°	075°	077°
June		103°	075°	062°	079°
July		103°	075°	055°	065°
August		115°	115°	049°	061°
September		114°	107°	051°	064°
October		084°	120°	050°	066°
November		067°	128°	049°	053°
December		067°	123°	059°	066°

Prevailing wind direction

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