Climate Guyane Ultralight Seaplane Base 2020-2024

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

Calculated from historical METAR data of Zorg en Hoop Airport (SMZO) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	90.0	88	84	91	83	92
February	87.5	89	87	81	81	89
March	87.8	88	92	77	85	92
April	82.7		87	74	76	87
May	79.7		85	79	82	76
June	85.8		85	90	80	86
July	90.8		93	89	91	93
August	93.3		90	91	92	96
September	96.2		95	96	96	98
October	92.1		93	91	91	95
November	88.8		85	89	90	86
December	87.4		88	88	87	89
Average	88.5	88.3	88.3	86.3	85.9	89.5

1st best VFR conditions of Suriname

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	99.2	100	97	99	99	100
February	98.5	99	98	98	99	99
March	98.4	99	98	97	99	98
April	97.2		96	96	97	98
May	96.2		97	94	96	96
June	97.1		96	98	98	97
July	98.3		99	98	99	99
August	98.8		98	98	100	99
September	99.1		99	99	100	99
October	97.8		100	98	98	99
November	97.9		96	98	99	98
December	98.2		99	99	98	99
Average	98.2	99.1	97.7	97.6	98.4	98.4

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	30.3	32	29	30	30	31
February	30.2	32	29	30	30	30
March	30.9	33	30	30	31	31
April	30.5		31	30	30	31
May	30.4		31	30	30	31
June	31.1		32	31	32	31
July	32.0		32	32	32	32
August	32.8		33	33	33	33
September	33.6		35	34	33	33
October	33.4		35	33	33	33
November	32.1		33	32	32	32
December	30.5		32	30	30	31
Average	31.5	32.1	31.6	31.1	31.2	31.5

2nd highest temperature of Suriname

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	23.8	24	24	24	24	24
February	23.8	24	22	24	24	25
March	23.8	24	23	24	24	23
April	24.0		23	24	24	24
May	23.5		24	24	24	22
June	24.1		25	23	24	24
July	23.8		25	23	24	24
August	23.9		25	24	24	23
September	23.6		24	22	24	23
October	24.4		25	24	25	24
November	23.8		23	22	24	23
December	23.8		25	22	24	24
Average	23.9	24.0	23.9	23.2	24.1	23.3

2nd lowest temperature of Suriname

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	8.7	7	11	8	12	6
February	10.7	3	15	19	9	4
March	8.9	8	9	13	11	9
April	15.8		12	17	20	11
May	19.6		19	16	18	17
June	12.4		10	10	11	14
July	7.3		6	7	6	6
August	3.3		2	4	4	3
September	1.8		1	1	3	1
October	3.0		1	4	4	5
November	7.4		5	7	7	11
December	12.7		8	10	12	12
Average	9.0	6.2	8.9	9.5	9.5	8.3

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	6.2	6	6	7	6	7
February	6.8	6	6	6	8	8
March	6.8	6	6	8	7	6
April	6.2		5	7	6	7
May	5.6		5	6	5	7
June	4.5		4	5	4	5
July	4.5		4	5	5	5
August	5.0		5	5	5	5
September	5.1		5	6	4	5
October	5.2		5	5	5	5
November	5.3		5	5	6	5
December	5.6		5	5	6	5
Average	5.7	6.1	5.1	5.7	5.6	5.7

2nd highest wind speed of Suriname

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	075°	047°	048°	056°	059°
February	075°	046°	047°	050°	052°
March	070°	053°	054°	056°	054°
April		061°	059°	051°	049°
May		065°	059°	064°	062°
June		083°	066°	071°	067°
July		085°	074°	076°	086°
August		080°	076°	094°	093°
September		085°	080°	064°	089°
October		083°	076°	078°	071°
November		078°	076°	064°	081°
December		056°	060°	061°	064°

Prevailing wind direction

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