Climate Diffa Airport 2020-2024

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

Calculated from historical METAR data of N'Djamena International Airport (FTTJ) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	47.2	37	49	52	61	33
February	37.5	23	27	50	35	43
March	37.8	13	28	30	31	42
April	54.3		23	69	64	63
May	82.2		65	74	82	88
June	88.9		83	85	88	93
July	90.5		90	81	85	91
August	80.6		68	61	84	79
September	87.1		76	78	90	83
October	70.5		32	78	74	66
November	71.5		37	76	71	91
December	58.4		38	63	47	75
Average	62.8	23.7	52.0	65.2	68.6	71.0

5th best VFR conditions of Chad

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	74.9	79	89	75	85	55
February	70.8	78	61	81	72	68
March	74.7	75	90	62	70	70
April	86.4		77	93	97	91
May	95.9		94	95	98	95
June	97.6		98	98	98	98
July	98.1		100	96	98	97
August	97.6		99	94	99	97
September	98.6		98	99	99	97
October	91.4		72	97	97	92
November	93.9		86	98	95	100
December	85.5		90	95	83	94
Average	87.5	77.4	88.1	89.4	91.3	88.1

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	32.7	34	33	31	35	31
February	34.5	35	34	34	34	33
March	39.8	42	39	39	40	40
April	42.1		42	42	42	43
May	41.1		41	40	42	42
June	36.9		35	37	38	38
July	33.2		35	32	34	33
August	31.5		33	30	33	31
September	33.2		34	32	35	32
October	36.7		37	36	39	36
November	37.1		38	36	39	36
December	33.7		34	34	33	35
Average	36.1	37.0	36.3	35.1	36.7	35.7

3rd highest temperature of Chad

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	16	16	16	17	15
February	18.3	19	19	17	17	17
March	23.6	25	23	23	24	23
April	26.6		26	28	24	27
May	28.0		28	28	28	29
June	25.9		25	27	26	26
July	24.0		25	24	24	23
August	23.5		24	23	24	24
September	23.8		23	24	24	24
October	23.1		24	23	23	23
November	19.8		22	19	21	19
December	17.3		18	17	18	18
Average	22.2	20.0	22.7	22.5	22.5	22.3

3rd lowest temperature of Chad

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	0.0		0	0	0	0
May	0.0		0	0	0	0
June	0.3		1	0	0	0
July	0.6		1	1	1	1
August	1.0		0	2	0	2
September	0.6		1	1	1	0
October	0.0		0	0	0	0
November	0.0		0	0	0	0
December	0.0		0	0	0	0
Average	0.2		0.3	0.3	0.1	0.3

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	9.0	9	9	10	10	10
February	9.6	9	11	10	10	11
March	9.6	9	10	10	10	9
April	7.8		7	8	8	9
May	7.1		6	7	7	7
June	7.2		6	8	7	8
July	7.5		7	9	8	8
August	6.5		6	7	6	8
September	5.9		6	6	6	6
October	6.4		7	7	6	7
November	8.5		9	8	8	9
December	8.7		8	9	10	8
Average	7.9	9.0	7.4	8.2	8.0	8.2

3rd highest wind speed of Chad

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	036°	031°	001°	013°	006°
February	028°	035°	006°	006°	007°
March	048°	046°	013°	011°	355°
April		346°	346°	031°	031°
May		211°	164°	113°	192°
June		212°	169°	178°	188°
July		223°	208°	208°	201°
August		228°	212°	184°	218°
September		207°	196°	198°	186°
October		056°	022°	034°	053°
November		047°	357°	025°	012°
December		030°	044°	007°	005°

Prevailing wind direction

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