Climate Beijing Nanyuan Air Base 2020-2024

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

Calculated from historical METAR data of Beijing Daxing International Airport (ZBAD) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	76.4	71	91	75	83	62
February	74.9	80	74	90	77	55
March	73.6	83	72	73	55	86
April	89.2		82	86	94	95
May	87.6		88	96	89	77
June	85.0		97	86	66	91
July	79.0		82	87	77	71
August	79.6		83	83	75	77
September	77.3		67	85	68	85
October	74.0		71	69	80	75
November	72.0		82	63	69	72
December	78.4		65	97	85	88
Average	78.1	78.1	79.8	82.3	76.4	78.1

7th best VFR conditions of China

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	84.9	79	96	81	95	74
February	82.8	90	82	97	80	66
March	82.4	89	79	85	64	94
April	96.5		97	93	97	100
May	94.4		92	99	93	94
June	95.1		100	94	88	98
July	90.0		90	95	94	83
August	92.6		96	92	94	89
September	90.1		85	96	88	90
October	85.5		81	86	86	87
November	80.5		85	75	75	82
December	88.7		86	97	92	96
Average	87.8	86.0	89.3	90.8	87.4	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	2.8	2	4	3	1	4
February	6.7	6	7	5	10	6
March	15.0	16	17	13	14	16
April	21.0		20	22	20	22
May	27.0		27	28	27	27
June	32.5		35	31	31	33
July	31.8		34	32	31	31
August	30.3		31	30	30	31
September	27.5		28	29	26	27
October	19.9		23	19	18	20
November	10.8		10	12	11	12
December	3.1		1	2	6	3
Average	16.6	7.9	19.7	19.4	18.7	19.0

28th highest temperature of China

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	-11.7	-10	-11	-9	-12	-10
February	-6.2	-6	-6	-8	-6	-4
March	2.1	2	2	0	4	2
April	8.2		9	9	8	8
May	14.2		15	13	14	15
June	20.5		21	21	20	21
July	22.9		24	23	23	22
August	21.7		23	21	21	22
September	17.0		18	16	18	16
October	6.9		8	7	7	6
November	-1.5		-2	0	-1	0
December	-10.2		-12	-11	-7	-11
Average	4.8	-5.6	7.4	7.4	7.4	7.3

9th lowest temperature of China

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	3.1	2	1	8	5	0
February	5.4	3	5	4	4	12
March	2.4	1	1	5	5	1
April	2.9		5	1	5	1
May	3.0		4	1	2	4
June	3.4		2	5	5	3
July	8.9		14	6	10	7
August	4.7		3	6	5	5
September	5.3		6	0	12	7
October	4.4		1	7	9	0
November	4.1		3	5	5	5
December	2.2		6	0	3	0
Average	3.7	1.9	4.2	4.0	5.7	3.6

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	5.5	5	6	6	6	4
February	6.0	6	6	6	7	6
March	7.7	7	8	7	8	9
April	9.2		10	9	9	9
May	8.7		8	8	10	9
June	7.5		8	7	7	8
July	6.4		8	6	6	6
August	5.7		6	6	5	5
September	5.8		5	6	6	7
October	6.2		6	7	6	7
November	6.3		7	6	7	6
December	6.0		6	6	6	6
Average	6.6	6.1	7.0	6.7	6.8	6.8

28th highest wind speed of China

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	358°	343°	010°	354°	013°
February	035°	002°	019°	003°	053°
March	283°	255°	024°	285°	320°
April		275°	289°	223°	301°
May		182°	229°	242°	209°
June		197°	095°	073°	183°
July		116°	111°	096°	182°
August		175°	253°	180°	166°
September		175°	192°	037°	016°
October		325°	360°	358°	326°
November		352°	001°	344°	005°
December		021°	344°	001°	354°

Prevailing wind direction

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