Climate Zaysan Airport 2020-2024

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

Calculated from historical METAR data of Ust-Kamenogorsk Airport (UASK) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	46.2	55	60	37	43	46
February	43.0	45	40	32	65	46
March	61.9	68	73	54	66	72
April	84.8		84	90	92	85
May	93.9		94	97	99	99
June	94.1		99	88	93	96
July	94.2		96	98	96	97
August	90.6		88	91	89	93
September	86.3		82	97	92	82
October	73.8		63	82	59	75
November	58.0		62	52	66	51
December	35.8		48	18	42	39
Average	73.6	56.3	77.6	76.0	78.9	77.6

18th best VFR conditions of Kazakhstan

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	63.4	71	78	52	57	65
February	64.1	63	61	55	80	70
March	79.4	85	86	76	83	83
April	95.6		97	98	97	95
May	99.0		98	99	100	100
June	98.7		100	98	99	99
July	98.8		100	100	99	99
August	97.9		98	97	98	98
September	95.7		94	99	97	95
October	89.9		87	92	78	90
November	79.5		88	71	91	70
December	54.0		70	29	62	53
Average	85.9	73.8	90.2	85.9	89.3	87.7

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	-10.9	-6	-7	-7	-14	-6
February	-6.0	-10	-5	-6	-4	-2
March	1.2	2	4	-1	0	1
April	14.6		12	16	14	18
May	22.3		21	26	25	25
June	27.0		29	27	25	26
July	28.5		30	28	29	29
August	27.1		27	26	27	27
September	19.9		19	23	20	19
October	11.9		14	13	9	10
November	-1.8		4	-1	1	-1
December	-9.2		-8	-15	-5	-11
Average	8.9	-5.4	11.8	11.6	10.6	11.3

13th highest temperature of Kazakhstan

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	-21.2	-18	-17	-20	-26	-15
February	-21.6	-24	-18	-22	-16	-15
March	-11.1	-9	-7	-11	-12	-12
April	-1.1		-4	-1	-3	1
May	5.1		4	8	6	7
June	10.9		10	12	10	10
July	12.3		13	12	13	13
August	10.0		12	8	10	11
September	4.0		8	4	2	4
October	-2.9		2	-4	0	-1
November	-10.4		-4	-11	-10	-11
December	-20.7		-16	-27	-16	-23
Average	-5.1	-17.3	-2.5	-4.5	-4.5	-3.5

2nd lowest temperature of Kazakhstan

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	19.6	10	33	14	20	30
February	20.1	20	21	14	17	25
March	14.2	9	8	26	22	9
April	8.0		7	5	2	8
May	4.3		3	1	2	1
June	4.1		2	5	5	4
July	3.1		2	3	2	3
August	3.8		7	2	2	6
September	8.2		15	4	3	11
October	14.4		16	5	18	17
November	21.8		13	31	23	23
December	20.2		19	19	23	16
Average	10.7	12.9	10.5	9.0	9.9	10.9

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	5.3	6	8	4	5	6
February	5.4	6	5	5	7	6
March	5.9	6	7	7	7	6
April	7.2		9	6	7	7
May	7.7		8	7	7	7
June	6.7		7	7	7	7
July	6.3		6	7	6	7
August	5.6		6	6	5	6
September	5.8		6	6	6	6
October	6.6		6	6	6	8
November	6.6		6	7	8	6
December	4.6		7	4	5	4
Average	6.2	6.3	6.8	6.2	6.5	6.3

13th highest wind speed of Kazakhstan

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	119°	145°	020°	184°	180°
February	129°	238°	211°	172°	177°
March	163°	340°	199°	163°	303°
April		294°	326°	349°	357°
May		329°	304°	317°	316°
June		318°	092°	310°	309°
July		346°	013°	350°	319°
August		139°	315°	318°	306°
September		160°	290°	274°	250°
October		183°	194°	177°	175°
November		122°	168°	154°	172°
December		140°	225°	119°	184°

Prevailing wind direction

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