Climate Diori Hamani International Airport 2020-2024

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

Calculated from historical METAR data of Diori Hamani International Airport (DRRN) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	49.2	56	71	52	69	17
February	32.2	38	36	30	41	35
March	41.3	38	77	18	18	48
April	57.4		65	81	80	48
May	82.4		91	88	81	75
June	91.1		92	91	92	88
July	88.6		96	90	91	86
August	81.3		87	81	87	73
September	94.0		97	95	97	95
October	76.1		59	70	89	81
November	66.8		58	78	81	69
December	56.0		54	65	63	76
Average	65.9	44.0	74.7	70.5	74.5	66.7

5th best VFR conditions of Niger

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	71.4	78	88	72	86	31
February	57.9	67	58	50	60	56
March	66.5	74	93	31	56	75
April	82.8		83	95	96	79
May	93.6		95	98	90	90
June	97.2		98	98	95	99
July	97.9		99	99	98	97
August	97.7		98	99	99	97
September	99.1		99	100	100	100
October	91.3		85	88	97	94
November	85.0		86	91	91	87
December	76.0		76	90	79	90
Average	83.7	73.2	88.9	84.3	87.6	83.6

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	32.6	34	33	31	35	32
February	35.1	36	36	35	35	34
March	39.9	42	40	40	39	40
April	41.8		41	42	42	43
May	40.9		41	41	42	41
June	37.9		38	37	38	38
July	34.5		35	35	34	34
August	32.6		33	33	33	32
September	34.9		36	34	36	33
October	37.7		39	37	39	37
November	37.4		39	36	38	36
December	33.5		34	35	33	36
Average	36.6	37.3	37.0	36.1	37.0	36.2

1st highest temperature of Niger

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	18.0	19	19	18	19	17
February	20.9	21	23	21	20	20
March	26.0	28	27	27	26	26
April	28.9		29	29	28	30
May	29.3		30	29	30	29
June	26.9		28	27	27	27
July	25.3		26	26	25	26
August	23.8		25	24	22	24
September	25.0		26	25	26	23
October	25.2		27	25	25	25
November	22.6		25	22	24	22
December	19.3		19	21	20	21
Average	24.1	22.6	25.0	24.4	24.3	24.2

5th lowest temperature of Niger

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	0.0	0	0	0	0	0
February	0.0	0	0	0	0	0
March	0.0	0	0	0	0	0
April	0.1		0	0	0	0
May	0.6		0	0	0	1
June	0.7		0	2	0	0
July	2.9		1	6	1	4
August	4.4		4	2	1	8
September	1.4		1	2	0	3
October	0.3		0	0	0	0
November	0.0		0	0	0	0
December	0.0		0	0	0	0
Average	0.8		0.5	1.0	0.2	1.4

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	10.2	11	11	11	10	11
February	10.3	11	12	10	10	11
March	8.5	9	9	8	9	8
April	7.4		8	7	8	8
May	8.3		9	8	8	9
June	8.3		9	8	8	9
July	7.8		8	8	8	8
August	7.0		7	8	6	7
September	6.2		7	6	7	6
October	6.3		6	7	6	6
November	7.2		7	9	7	8
December	9.6		11	11	11	8
Average	8.3	10.3	8.5	8.3	8.0	8.2

1st highest wind speed of Niger

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	088°	081°	064°	041°	083°
February	083°	091°	079°	046°	084°
March	080°	083°	066°	031°	080°
April		349°	260°	053°	252°
May		237°	228°	200°	249°
June		234°	226°	244°	243°
July		231°	219°	278°	229°
August		220°	225°	251°	242°
September		231°	222°	204°	208°
October		119°	125°	184°	116°
November		094°	086°	053°	039°
December		079°	091°	068°	034°

Prevailing wind direction

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