Climate Nzoia Airport 2020-2024

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

Calculated from historical METAR data of Kisumu Airport (HKKI) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	97.1	96	97	95	97	99
February	97.1	99	99	96	94	97
March	96.5	95	97	96	97	97
April	95.4		94	95	98	98
May	97.3		96	95	99	99
June	96.0		94	93	93	99
July	97.3		94	94	98	99
August	96.1		97	96	89	98
September	93.9		95	93	84	92
October	95.5		93	95	91	97
November	96.3		92	97	94	97
December	97.0		97	94	95	99
Average	96.3	96.6	95.3	94.8	93.8	97.6

1st best VFR conditions of Kenya

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	98.4	99	98	97	98	99
February	98.6	99	99	98	99	98
March	98.1	98	99	98	98	99
April	98.2		99	98	99	99
May	98.7		98	99	99	99
June	98.1		97	96	98	100
July	98.3		98	95	99	99
August	98.1		99	99	97	99
September	97.9		99	99	96	95
October	98.6		99	99	99	99
November	99.0		99	99	99	99
December	98.7		98	100	99	99
Average	98.4	98.8	98.5	97.9	98.2	98.7

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	29.4	27	30	30	28	29
February	30.1	29	32	28	28	30
March	29.4	31	29	30	31	29
April	28.6		29	29	28	28
May	27.7		29	28	27	28
June	27.6		29	27	28	27
July	27.8		29	28	28	27
August	28.2		30	27	29	28
September	28.4		29	28	28	28
October	28.8		29	29	29	28
November	28.6		27	28	29	28
December	28.6		28	28	30	28
Average	28.6	28.9	29.0	28.2	28.6	28.2

7th highest temperature of Kenya

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	17.1	18	18	17	16	17
February	16.1	20	18	15	7	17
March	16.7	17	17	17	15	16
April	15.9		16	16	12	16
May	17.1		17	16	17	19
June	16.2		17	17	14	15
July	16.3		18	16	16	15
August	15.4		18	16	12	15
September	16.4		18	18	13	15
October	16.4		17	17	14	16
November	16.3		17	19	17	13
December	16.2		16	17	16	16
Average	16.5	18.3	17.2	16.7	14.1	15.7

9th lowest temperature of Kenya

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	1.2	3	0	3	0	3
February	0.9	3	0	0	1	1
March	0.9	0	1	0	1	1
April	2.5		1	1	1	5
May	2.1		2	0	5	1
June	1.6		1	2	1	2
July	0.8		0	1	0	2
August	1.5		0	2	2	0
September	1.3		1	0	2	2
October	0.9		0	0	1	1
November	1.9		4	3	1	1
December	1.6		1	1	2	0
Average	1.4	1.8	0.9	1.2	1.4	1.5

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	7.3	6	7	7	7	6
February	8.2	7	9	8	8	7
March	7.1	7	7	8	8	6
April	6.1		6	7	6	6
May	5.4		5	5	6	6
June	5.7		6	5	6	5
July	5.6		6	5	5	5
August	6.2		6	5	6	6
September	6.7		6	6	6	7
October	6.3		6	6	6	6
November	6.1		6	7	7	6
December	6.3		7	7	6	7
Average	6.4	6.5	6.4	6.3	6.3	6.0

7th highest wind speed of Kenya

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	222°	213°	216°	215°	223°
February	224°	217°	228°	221°	224°
March	224°	229°	227°	221°	225°
April		224°	221°	228°	222°
May		210°	225°	213°	214°
June		208°	204°	211°	216°
July		196°	214°	202°	222°
August		199°	209°	195°	205°
September		211°	212°	222°	210°
October		216°	202°	219°	209°
November		223°	216°	213°	223°
December		220°	218°	215°	226°

Prevailing wind direction

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