Climate Lyon-Bron Airport 2020-2024

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

Calculated from historical METAR data of Lyon-Bron Airport (LFLY) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	58.9	57	69	34	55	68
February	79.7	68	72	94	85	96
March	88.7	87	88	87	92	92
April	91.7	88	84	92	94	95
May	90.0		87	98	91	85
June	94.4		96	94	89	94
July	96.8		98	100	88	99
August	95.6		96	96	92	97
September	94.8		96	95	90	94
October	83.2		96	86	82	87
November	69.4		85	83	42	69
December	59.6		70	26	57	70
Average	85.1	76.9	88.0	87.0	82.4	88.7

24th best VFR conditions of France

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	79	95	70	94	85
February	95.5	94	93	100	97	99
March	98.1	98	97	98	100	100
April	98.2	97	98	98	98	98
May	98.0		99	100	97	97
June	98.6		99	98	99	99
July	99.2		100	100	97	100
August	98.8		100	99	98	99
September	98.9		99	99	98	99
October	94.4		98	92	91	97
November	89.1		97	92	81	87
December	82.4		89	60	73	94
Average	95.4	92.7	97.5	94.7	94.5	96.6

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	7.2	9	8	5	6	9
February	11.5	12	11	12	13	14
March	14.7	15	14	15	14	14
April	17.9	17	16	17	16	22
May	21.7		21	25	19	23
June	27.4		28	29	27	25
July	29.7		30	31	27	30
August	29.4		31	31	26	30
September	25.1		28	23	25	26
October	19.5		22	22	18	16
November	11.9		13	14	9	14
December	8.5		10	5	8	9
Average	18.1	13.3	19.4	19.6	17.3	19.3

38th highest temperature of France

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	1.5	2	3	0	1	2
February	2.5	5	1	2	4	4
March	4.6	6	5	4	4	5
April	7.0	8	6	6	5	9
May	11.3		11	13	10	12
June	16.1		16	17	16	15
July	17.8		18	18	16	18
August	17.4		18	18	16	18
September	13.6		15	13	15	14
October	10.0		11	12	8	9
November	5.1		5	7	5	5
December	2.7		3	1	2	3
Average	8.7	5.2	9.2	9.4	8.4	9.4

69th lowest temperature of France

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	18.8	24	18	10	31	15
February	11.8	13	4	11	10	18
March	12.0	6	16	5	12	9
April	11.6	16	16	15	11	5
May	12.7		10	4	26	7
June	8.3		5	9	9	12
July	5.9		7	0	18	3
August	5.2		8	6	6	4
September	8.6		5	10	8	14
October	12.3		13	8	8	17
November	16.4		27	18	13	5
December	23.2		24	20	20	24
Average	11.7	14.1	11.8	8.5	13.8	10.1

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	7.2	7	9	7	7	7
February	7.5	8	6	7	10	10
March	7.8	8	9	8	8	7
April	7.8	9	7	8	9	6
May	7.4		8	9	6	8
June	6.9		6	8	8	7
July	6.9		7	8	6	7
August	6.4		7	7	5	7
September	6.3		7	7	6	7
October	7.4		8	8	8	9
November	6.2		7	6	6	6
December	6.5		6	6	6	9
Average	7.1	8.0	7.1	7.4	6.9	7.2

38th highest wind speed of France

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	219°	272°	346°	299°	191°
February	178°	347°	309°	180°	189°
March	185°	198°	179°	340°	336°
April	248°	327°	340°	340°	171°
May		340°	345°	229°	346°
June		350°	263°	317°	347°
July		210°	353°	339°	353°
August		319°	347°	352°	328°
September		166°	230°	157°	332°
October		173°	175°	230°	190°
November		190°	178°	345°	168°
December		203°	338°	178°	179°

Prevailing wind direction

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