Climate Zürich Airport 2020-2024

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

Calculated from historical METAR data of Zürich Airport (LSZH) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	55.1	60	62	57	54	59
February	69.0	82	63	82	72	84
March	80.4	70	80	92	88	85
April	88.1		81	85	94	99
May	86.8		82	95	88	86
June	93.5		99	96	92	88
July	95.1		99	98	85	98
August	91.5		92	89	94	93
September	88.7		93	90	88	89
October	73.2		87	71	68	74
November	54.8		70	70	43	38
December	47.1		52	31	45	47
Average	79.1	70.6	82.5	84.1	79.4	81.6

11th 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	81.0	81	96	88	77	74
February	87.8	95	89	96	88	96
March	95.1	91	97	98	96	99
April	96.3		97	94	98	100
May	97.9		99	98	98	98
June	98.8		100	99	98	98
July	98.9		100	99	98	100
August	97.9		99	98	100	99
September	95.7		96	98	95	95
October	86.5		93	88	82	87
November	81.1		92	87	74	67
December	73.8		78	57	78	63
Average	92.2	89.3	95.5	94.1	91.9	91.8

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	4.2	5	6	5	3	6
February	8.0	11	8	9	9	11
March	11.6	13	12	13	11	11
April	15.4		13	14	14	19
May	19.0		19	22	16	19
June	24.9		27	26	25	22
July	26.2		27	28	24	26
August	25.6		26	27	22	26
September	21.1		24	19	22	22
October	16.0		18	18	15	13
November	8.3		9	10	6	9
December	4.8		6	1	5	4
Average	14.7	9.4	16.1	16.5	14.1	15.5

9th 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	-2.5	-1	0	-2	-2	-2
February	-1.7	3	-1	0	-1	2
March	1.1	3	3	-1	0	0
April	3.8		5	4	2	5
May	8.3		10	10	6	7
June	12.8		13	13	13	12
July	14.1		15	14	14	13
August	13.8		15	14	13	14
September	10.2		12	10	11	11
October	6.4		7	9	4	6
November	2.3		3	4	1	2
December	0.0		1	-3	1	0
Average	5.4	1.7	6.8	6.4	5.1	5.8

6th 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	21.5	27	21	13	29	7
February	15.1	13	8	12	16	24
March	15.3	19	17	5	14	14
April	12.8		20	18	8	6
May	13.3		12	7	23	14
June	7.0		3	7	9	16
July	7.5		8	5	17	5
August	9.9		18	5	13	12
September	8.2		3	16	8	8
October	12.7		13	11	6	18
November	19.1		34	17	20	7
December	22.9		27	24	27	19
Average	13.5	19.1	14.0	10.3	15.0	12.1

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	5.6	6	6	6	5	5
February	5.9	5	6	7	5	8
March	6.1	6	7	5	6	7
April	5.7		6	6	6	5
May	5.4		5	5	7	6
June	4.9		5	5	4	5
July	4.8		5	5	4	5
August	4.5		5	5	5	4
September	4.3		4	5	4	4
October	4.4		5	4	4	5
November	4.6		6	4	4	4
December	5.2		6	4	5	4
Average	5.2	5.8	5.5	5.1	5.0	5.2

9th 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	251°	235°	254°	233°	237°
February	237°	333°	252°	343°	250°
March	270°	247°	042°	279°	345°
April		313°	337°	010°	005°
May		035°	316°	259°	032°
June		019°	317°	334°	318°
July		279°	325°	289°	281°
August		261°	041°	294°	287°
September		043°	286°	009°	293°
October		246°	238°	305°	247°
November		239°	240°	281°	340°
December		236°	352°	212°	235°

Prevailing wind direction

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