Climate San Sebastián/Donostia Airport 2020-2024

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

Calculated from historical METAR data of San Sebastián/Donostia Airport (LESO) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	78.5	88	74	72	79	91
February	80.2	74	85	83	77	82
March	84.9	81	85	85	87	84
April	81.5		73	72	93	85
May	74.9		67	69	86	79
June	70.0		69	70	69	79
July	75.0		70	82	69	84
August	77.3		63	73	75	84
September	90.0		90	86	93	92
October	85.6		91	88	92	90
November	82.7		66	79	85	91
December	81.4		76	76	82	88
Average	79.8	80.7	75.0	77.6	81.6	85.0

61st best VFR conditions of Spain

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	94.2	96	97	90	93	97
February	94.6	93	99	96	94	93
March	97.2	95	97	96	99	98
April	96.9		94	93	100	98
May	96.1		96	99	97	96
June	94.8		97	95	95	99
July	97.5		95	100	96	99
August	97.4		94	97	98	98
September	98.3		97	98	99	99
October	96.5		97	96	97	98
November	94.1		85	90	96	97
December	94.3		91	89	92	99
Average	96.0	94.4	95.0	95.4	96.5	97.7

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	12.3	15	12	12	11	14
February	14.8	16	13	14	17	17
March	16.2	17	18	17	15	15
April	17.3		17	16	17	19
May	19.8		20	21	19	22
June	22.9		24	24	22	22
July	24.7		25	26	23	25
August	25.2		25	26	24	26
September	23.9		26	24	24	24
October	21.5		24	25	21	19
November	16.6		18	18	14	19
December	14.4		15	14	15	14
Average	18.7	15.8	19.8	20.0	18.3	19.5

53rd highest temperature of Spain

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	5.3	7	5	4	5	6
February	6.8	9	4	6	10	9
March	8.4	9	9	10	8	8
April	10.0		10	9	9	12
May	12.9		14	14	11	15
June	16.5		19	17	16	15
July	18.5		19	19	17	18
August	18.5		19	20	17	19
September	16.3		18	16	17	16
October	13.4		15	16	12	12
November	8.9		10	10	8	9
December	7.3		8	8	7	7
Average	11.4	8.0	12.4	12.6	11.4	12.0

38th lowest temperature of Spain

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	14.6	12	17	11	20	5
February	13.4	22	5	9	12	12
March	9.7	13	7	10	4	15
April	9.8		11	15	5	9
May	8.8		6	4	10	10
June	9.2		3	11	13	8
July	5.2		7	3	7	3
August	5.7		11	6	2	8
September	6.8		9	9	6	7
October	8.6		10	1	7	13
November	17.4		30	22	16	5
December	15.9		24	12	15	23
Average	10.4	15.6	10.7	8.9	9.1	9.4

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	5.2	5	6	4	6	5
February	5.8	8	5	5	8	6
March	6.2	7	6	6	5	6
April	5.6		5	6	6	5
May	5.2		6	5	6	5
June	4.9		5	5	5	5
July	4.7		5	5	5	5
August	4.6		5	5	4	5
September	4.7		5	5	4	5
October	5.4		7	6	5	6
November	5.8		7	7	5	5
December	5.7		6	4	5	8
Average	5.4	6.7	5.5	5.2	5.2	5.3

53rd highest wind speed of Spain

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	204°	219°	286°	225°	193°
February	238°	048°	266°	199°	252°
March	224°	246°	209°	324°	289°
April		310°	270°	018°	215°
May		314°	322°	283°	338°
June		333°	344°	299°	305°
July		320°	344°	319°	327°
August		314°	332°	336°	331°
September		297°	288°	329°	316°
October		215°	202°	238°	231°
November		235°	238°	262°	174°
December		229°	169°	231°	228°

Prevailing wind direction

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