Climate Montsinery Seaplane Base 2020-2024

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

Calculated from historical METAR data of Cayenne – Félix Eboué Airport (SOCA) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	57.7	59	56	56	50	66
February	54.5	71	40	35	38	72
March	63.3	72	71	43	59	73
April	53.2		56	52	44	51
May	50.0		51	57	49	46
June	65.6		69	69	66	64
July	75.2		75	68	77	83
August	87.4		85	88	86	86
September	86.8		86	89	88	88
October	86.4		88	86	80	92
November	73.8		81	70	71	68
December	59.8		67	65	52	74
Average	67.6	67.0	68.8	64.7	63.5	71.9

1st best VFR conditions of French Guiana

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	91.3	94	87	82	90	94
February	89.6	96	79	73	92	97
March	92.6	94	97	83	90	95
April	87.2		82	87	83	85
May	83.9		87	88	77	79
June	86.6		88	83	88	87
July	88.9		91	82	90	93
August	96.6		95	96	96	97
September	97.1		97	99	94	98
October	96.5		99	96	94	98
November	93.9		99	87	93	90
December	92.0		94	93	87	96
Average	91.7	94.8	91.3	87.3	89.4	92.5

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	29.1	30	28	29	29	30
February	29.0	31	28	28	29	30
March	29.7	31	30	28	30	30
April	29.4		29	29	29	30
May	29.5		30	29	30	29
June	30.4		31	30	30	31
July	30.8		31	31	31	31
August	31.9		33	32	32	32
September	32.6		33	33	32	33
October	32.5		34	32	32	33
November	31.3		32	31	31	31
December	29.9		31	30	29	31
Average	30.5	30.7	30.7	30.1	30.3	30.6

1st highest temperature of French Guiana

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	23.4	24	23	23	24	24
February	23.4	23	23	23	24	24
March	23.6	25	23	23	23	24
April	23.9		23	24	24	24
May	23.6		24	23	23	24
June	23.1		22	23	23	24
July	22.9		22	23	23	23
August	22.8		23	22	23	23
September	23.1		23	23	23	23
October	22.9		23	23	23	23
November	23.5		24	23	24	24
December	23.6		24	23	24	23
Average	23.4	23.8	23.0	23.0	23.4	23.5

1st lowest temperature of French Guiana

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	56.8	49	67	74	52	47
February	56.6	46	88	70	63	38
March	47.2	42	46	76	46	31
April	61.8		62	75	56	62
May	67.7		69	70	66	71
June	56.2		52	57	58	58
July	51.0		58	53	48	50
August	36.9		22	39	46	38
September	25.7		16	28	46	31
October	27.6		10	36	51	35
November	45.4		32	60	53	51
December	58.4		45	62	65	55
Average	49.0	45.5	47.0	58.1	54.2	47.2

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	7.9	10	6	6	7	9
February	8.5	10	7	7	10	10
March	8.6	9	9	8	8	8
April	7.5		7	7	7	7
May	6.4		6	7	6	6
June	4.7		5	5	5	5
July	4.5		5	5	4	4
August	5.6		6	5	5	5
September	6.5		7	7	6	7
October	7.0		8	7	7	7
November	6.7		8	5	6	5
December	7.1		7	6	6	6
Average	7.0	9.4	6.6	6.2	6.4	6.5

1st highest wind speed of French Guiana

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	054°	052°	048°	050°	055°
February	053°	056°	060°	048°	046°
March	058°	048°	053°	061°	042°
April		062°	065°	060°	049°
May		080°	065°	070°	062°
June		089°	071°	074°	067°
July		092°	077°	081°	083°
August		095°	084°	083°	087°
September		094°	078°	064°	081°
October		091°	073°	074°	069°
November		080°	070°	063°	073°
December		074°	067°	068°	064°

Prevailing wind direction

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