VFR conditions: the whole year at a glance

When and where VFR conditions are most likely in Switzerland: the VFR share per airfield and month, computed from about ten years of METAR observations. Informational, not a flight-weather forecast.

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VFR share by month

Airfields ranked by annual mean VFR share. ★ marks each field's best month; the highlighted column is the current month.

VFR conditions by month - Airfields ranked by annual mean VFR share. ★ marks each field's best month; the highlighted column is the current month.
VFR share by month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sepnow	Oct	Nov	Dec
Sion AirportLSGS	85	91	94	95	97	98	99	98	98	95	89	81
Locarno AirportLSZL	79	75	82	90	90	93	96	95	87	74	75	78
Engadin AirportLSZS	83	84	83	86	84	86	88	85	80	82	75	79
Geneva International AirportLSGG	58	73	86	94	94	97	98	97	95	76	60	50
Lugano AirportLSZA	73	67	78	88	89	93	96	96	89	68	70	75
Buochs AirportLSZC	59	71	82	87	87	91	93	91	88	76	61	54
Meiringen Air BaseLSMM	61	76	83	86	86	89	85	83	86	79	65	53
Bern AirportLSZB	56	67	78	87	85	92	94	92	86	70	55	46
Sankt Gallen Altenrhein AirportLSZR	53	66	80	86	88	93	94	91	86	67	56	48
Alpnach Air BaseLSMA	55	68	78	86	86	91	92	89	86	72	56	46
Payerne Air BaseLSMP	55	64	79	89	88	93	94	94	88	63	51	46
Dübendorf Air BaseLSMD	48	64	78	85	84	90	94	91	84	66	50	41
Zürich AirportLSZH	47	61	78	87	86	93	94	92	84	66	49	39
Emmen Air BaseLSME	49	63	76	85	84	90	93	89	82	63	48	41
Grenchen AirfieldLSZG	41	55	72	86	84	91	91	90	79	55	38	31
Les Eplatures AirportLSGC	50	57	64	73	70	81	84	83	75	67	55	55

0 %100 % VFR sharebest month

VFR conditions: the whole year at a glance

VFR share by month#

By VFR share in September#

VFR share by month

By VFR share in September