Climate Dirkou Airport 2020-2024

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

Calculated from historical METAR data of Mano Dayak International Airport (DRZA) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	78.5	82	87	81	80	72
February	67.8	75	61	56	67	76
March	65.1	75	65	35	51	71
April	75.0		65	81	82	77
May	68.9		64	52	90	77
June	58.8		67	67	65	51
July	84.2		79	92	84	81
August	92.7		79	99	96	97
September	89.1		84	96	87	98
October	83.9		74	82	74	98
November	88.0		76	94	86	93
December	82.4		81	73	87	95
Average	77.5	77.2	73.5	75.5	79.0	81.6

3rd 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	88.9	94	97	92	90	83
February	80.6	88	79	71	77	86
March	79.4	89	83	47	73	84
April	87.7		87	91	90	89
May	80.9		78	74	95	85
June	72.9		87	84	76	61
July	91.8		90	97	92	89
August	96.7		89	99	97	98
September	95.0		93	97	94	99
October	91.9		91	94	85	99
November	94.1		92	95	93	97
December	90.8		91	92	93	97
Average	87.6	90.2	88.0	85.7	87.7	88.4

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	28.2	29	29	26	31	27
February	30.2	31	31	30	30	29
March	36.1	38	37	35	36	36
April	40.0		40	41	40	41
May	42.2		43	41	43	42
June	41.4		41	41	42	42
July	39.1		41	39	39	38
August	36.8		38	37	38	36
September	39.1		40	38	40	38
October	37.7		38	36	38	38
November	33.6		35	31	36	31
December	29.2		29	31	29	32
Average	35.7	32.7	36.7	35.6	36.7	35.9

2nd 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	13.4	14	14	13	15	14
February	15.6	16	18	14	15	15
March	21.2	23	22	20	22	21
April	25.4		26	26	24	26
May	28.6		30	29	28	29
June	28.8		29	28	29	29
July	26.8		29	27	25	27
August	25.5		27	26	25	26
September	26.5		27	27	27	26
October	24.7		25	24	24	24
November	19.1		21	17	21	18
December	15.0		15	17	15	17
Average	21.9	17.6	23.2	22.3	22.4	22.6

2nd 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	0.0		0	0	0	0
May	0.0		0	0	0	0
June	0.2		0	0	0	0
July	0.1		0	0	0	1
August	0.7		0	1	1	1
September	0.0		0	0	0	0
October	0.0		0	0	0	0
November	0.0		0	0	0	0
December	0.0		0	0	0	0
Average	0.1			0.0	0.1	0.1

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	13.8	15	13	14	13	17
February	14.7	13	15	16	16	16
March	11.7	10	11	15	13	11
April	10.1		9	9	11	10
May	9.2		8	10	10	10
June	8.8		8	9	9	10
July	9.4		8	8	10	11
August	8.5		8	8	9	10
September	8.7		8	7	9	9
October	11.3		12	12	11	11
November	11.7		10	11	10	13
December	13.0		13	14	14	9
Average	11.1	12.5	10.0	11.0	11.1	11.3

2nd 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	099°	100°	096°	108°	102°
February	097°	099°	100°	107°	098°
March	090°	108°	102°	105°	094°
April		101°	095°	116°	114°
May		112°	109°	119°	143°
June		263°	115°	121°	115°
July		290°	281°	300°	300°
August		280°	279°	297°	290°
September		144°	256°	096°	137°
October		098°	098°	099°	110°
November		101°	099°	104°	105°
December		098°	098°	099°	108°

Prevailing wind direction

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