Climate Buochs Airport 2020-2024

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

Calculated from historical METAR data of Buochs Airport (LSZC) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	63.8	62	72	62	63	70
February	76.0	78	72	92	73	96
March	84.8	79	80	96	84	86
April	87.2		76	86	91	96
May	85.9		74	89	90	79
June	89.9		97	93	85	84
July	94.8		97	97	91	94
August	90.3		93	87	88	94
September	90.2		96	89	87	88
October	82.0		91	81	81	81
November	63.0		87	85	42	46
December	61.9		76	34	51	61
Average	82.0	73.5	85.2	86.0	80.0	83.2

8th best VFR conditions of Switzerland

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	85.4	87	95	81	91	78
February	92.3	91	91	96	96	99
March	95.9	94	96	100	97	100
April	97.3		99	94	98	100
May	98.0		98	98	97	97
June	95.2		98	96	93	93
July	98.8		99	99	98	99
August	98.5		99	99	99	99
September	99.3		100	99	99	100
October	96.1		98	95	97	97
November	88.6		97	96	78	69
December	81.6		86	73	73	79
Average	94.5	90.8	96.8	95.4	94.1	93.7

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	4.3	5	5	5	3	6
February	7.6	9	7	9	8	11
March	11.1	12	11	13	10	10
April	15.0		12	14	14	19
May	18.7		19	22	16	19
June	24.5		26	25	25	22
July	25.4		26	27	23	25
August	24.6		25	26	22	25
September	20.5		24	19	21	21
October	15.6		18	18	14	13
November	8.6		9	11	7	9
December	5.0		6	2	4	4
Average	14.3	8.7	15.6	16.2	13.8	15.2

11th highest temperature of Switzerland

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	-2.8	-1	-1	-1	-1	-1
February	0.0	3	0	0	0	2
March	2.0	3	3	1	1	2
April	4.7		5	5	3	6
May	9.1		10	12	6	9
June	14.1		14	15	15	13
July	15.5		16	16	14	15
August	14.8		15	15	14	15
September	11.9		14	11	13	12
October	7.7		9	10	6	7
November	3.0		3	4	2	3
December	0.3		1	-2	0	0
Average	6.2	1.7	7.4	7.4	6.1	6.8

12th lowest temperature of Switzerland

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	16.0	20	15	7	23	5
February	13.9	8	9	12	17	14
March	15.6	22	20	6	14	14
April	12.8		20	19	9	7
May	13.8		16	8	22	11
June	8.4		3	10	10	18
July	8.5		9	5	17	6
August	10.9		12	7	14	14
September	9.8		4	18	8	7
October	11.1		11	10	6	19
November	16.4		33	13	20	6
December	21.7		27	30	21	16
Average	13.1	17.0	13.8	10.6	14.5	11.4

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	3.9	4	3	4	3	3
February	4.1	3	4	4	3	6
March	4.4	5	5	4	4	4
April	4.3		4	4	4	4
May	4.0		4	4	5	4
June	3.8		4	4	4	4
July	3.8		4	4	4	4
August	3.7		4	4	3	4
September	3.4		3	3	3	4
October	3.1		3	3	3	3
November	3.2		4	3	3	3
December	3.6		4	3	3	3
Average	3.8	3.8	3.8	3.6	3.6	3.7

11th highest wind speed of Switzerland

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	253°	214°	231°	237°	230°
February	085°	047°	206°	041°	265°
March	051°	153°	077°	046°	041°
April		060°	038°	045°	074°
May		034°	068°	040°	022°
June		049°	064°	044°	044°
July		070°	072°	048°	061°
August		082°	300°	052°	270°
September		082°	069°	062°	177°
October		074°	056°	252°	006°
November		264°	219°	238°	249°
December		223°	227°	226°	228°

Prevailing wind direction

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