Climate Ben Slimane Airport 2020-2024

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

Calculated from historical METAR data of Ben Slimane Airport (GMMB) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	56.4	67	70	60	45
February	45.4	47	37	43	51
March	47.9	34	71	45	52
April	51.4		58	70	52
May	50.0		58	68	60
June	52.1		55	62	61
July	57.7		73	73	72	56
August	58.1		70	71	71	62
September	57.1		56	68	74	49
October	52.7		40	52	62	69
November	60.6		61	66	55	64
December	55.7		62	35	57	54
Average	53.5	48.2	59.5	61.1	60.0	59.1

16th best VFR conditions of Morocco

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	87.4	94	95	89	81
February	85.2	85	93	87	84
March	81.8	75	91	88	81
April	84.3		91	95	85
May	81.1		93	91	85
June	81.8		93	85	93
July	85.2		95	97	93	79
August	82.5		93	93	96	80
September	86.1		92	96	94	81
October	85.3		86	87	85	91
November	90.3		92	93	93	94
December	84.6		91	73	83	90
Average	84.2	83.7	92.0	90.4	88.1	85.6

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	18.2	23	18	20	16
February	19.4	21	19	21	19
March	20.4	20	22	19	20
April	22.6		26	22	22
May	25.3		25	27	25
June	27.0		29	27	26
July	29.2		29	31	30	30
August	30.4		32	29	29	30
September	28.7		27	27	29	30
October	27.7		28	29	26	26
November	22.6		23	24	20	24
December	19.3		20	20	20	18
Average	24.1	21.3	24.7	24.6	23.4	26.0

14th highest temperature of Morocco

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	7.3	10	8	7	7
February	8.5	10	8	9	9
March	9.7	11	9	9	9
April	11.4		13	10	12
May	13.0		11	14	14
June	16.2		18	16	15
July	18.7		19	19	19	21
August	19.0		19	19	18	20
September	16.7		17	17	17	18
October	15.8		17	18	14	14
November	10.3		11	11	9	10
December	9.2		9	14	10	10
Average	12.8	10.0	13.1	13.6	12.6	14.6

9th lowest temperature of Morocco

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	6.3	4	3	2	15
February	6.6	6	2	3	9
March	7.5	17	0	8	6
April	3.9		0	5	6
May	0.8		3	1	0
June	0.4		1	1	1
July	0.0		0	0	0	0
August	0.1		0	1	0	0
September	0.9		2	0	1	0
October	4.0		4	2	0	3
November	4.2		2	1	8	2
December	5.9		3	20	8	6
Average	3.6	9.1	1.5	2.9	3.9	1.8

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	6.5	7	6	6	7
February	7.1	8	7	7	7
March	8.2	10	8	7	7
April	8.0		8	9	7
May	8.1		8	8	9
June	7.8		7	8	8
July	7.6		7	8	8	7
August	7.5		8	7	7	8
September	7.3		7	8	7	8
October	7.1		7	7	7	7
November	7.0		7	7	7	7
December	6.9		6	10	7	7
Average	7.6	8.5	7.3	7.7	7.3	7.5

14th highest wind speed of Morocco

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	270°	009°	025°	218°
February	299°	298°	029°	263°
March	251°	360°	281°	353°
April		352°	343°	328°
May		326°	338°	355°
June		327°	341°	326°
July		336°	348°	351°	337°
August		350°	350°	337°	359°
September		331°	343°	339°	354°
October		273°	343°	335°	350°
November		357°	003°	332°	274°
December		009°	207°	048°	254°

Prevailing wind direction

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