Climate Farol de São Tomé Heliport 2020-2024

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

Calculated from historical METAR data of Farol de São Tomé Heliport (SBFS) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	92.2	80	90	88	97	95
February	94.9	93	99	94	96	89
March	92.6	79	96	95	98	90
April	92.1		83	98	94	92
May	90.3		93	92	92	92
June	91.6		95	91	88	97
July	89.9		81	97	96	93
August	86.9		74	88	90	88
September	90.6		93	92	86	92
October	82.0		73	93	71	82
November	85.3		94	78	86	87
December	90.0		89	79	93	92
Average	89.4	83.7	88.2	90.7	90.6	90.6

14th 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	96.2	91	95	93	99	98
February	98.4	99	100	99	99	96
March	97.5	90	100	99	99	97
April	98.6		98	100	100	98
May	96.8		99	98	98	99
June	97.9		99	100	99	99
July	96.6		93	99	99	99
August	96.8		91	99	97	97
September	96.9		99	95	95	97
October	95.3		96	100	91	96
November	95.0		100	89	95	99
December	97.5		99	91	98	99
Average	96.6	93.5	97.3	96.9	97.2	97.7

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	18.7	30	29	30	31	30
February	22.0	31	31	30	29	30
March	22.5	29	31	31	30	29
April	20.1		28	30	25	28
May	19.2		26	27	27	27
June	18.8		27	26	25	27
July	18.3		25	26	25	26
August	16.2		26	25	25	15
September	16.5		27	24	26	13
October	18.8		27	27	25	26
November	19.3		29	26	26	27
December	18.9		31	28	20	29
Average	20.2	29.7	27.9	27.4	26.1	25.4

74th 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	15.8	26	25	26	26	25
February	17.9	26	26	25	24	25
March	18.3	24	25	25	23	24
April	16.1		23	23	20	23
May	14.9		21	21	21	20
June	14.3		20	19	20	21
July	13.1		19	20	17	18
August	12.5		21	20	20	10
September	13.1		23	20	21	10
October	16.0		23	23	21	22
November	16.6		25	23	22	23
December	15.5		24	24	16	23
Average	16.3	25.0	22.9	22.2	20.7	20.2

77th 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	4.3	10	5	7	2	4
February	4.0	6	0	5	4	9
March	2.4	6	0	2	1	3
April	2.4		6	0	0	4
May	4.1		2	3	3	2
June	1.6		1	1	4	0
July	2.2		4	0	2	1
August	3.5		7	1	3	5
September	2.9		0	6	3	4
October	6.5		7	0	15	6
November	7.6		2	12	13	2
December	4.8		2	14	6	5
Average	4.1	7.0	2.9	3.8	4.5	3.9

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	6.6	10	10	10	12	10
February	6.6	9	9	9	8	9
March	6.5	10	9	10	7	8
April	5.8		9	9	8	8
May	5.2		8	8	7	7
June	5.2		8	9	8	7
July	5.7		8	10	8	8
August	7.4		9	12	10	13
September	7.9		10	12	11	12
October	7.1		9	10	9	10
November	7.0		10	11	10	9
December	7.1		10	10	9	11
Average	6.7	9.3	9.0	10.0	8.9	9.3

74th 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	060°	040°	050°	054°	068°
February	055°	038°	077°	059°	072°
March	149°	063°	051°	063°	186°
April		178°	197°	206°	217°
May		188°	218°	174°	213°
June		042°	200°	189°	073°
July		116°	039°	210°	085°
August		088°	102°	077°	094°
September		058°	126°	077°	068°
October		126°	066°	105°	109°
November		137°	136°	140°	102°
December		097°	080°	087°	059°

Prevailing wind direction

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