Climate Cascais Airport 2020-2024

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

Calculated from historical METAR data of Cascais Airport (LPCS) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	77.1	76	78	89	71
February	81.0	77	98	92	67
March	81.9	83	75	82	96
April	90.5		95	88	82
May	87.6		95	81	89
June	90.0		85	90	91
July	91.3		94	95	90
August	90.7		91	85	91
September	89.3		84	84	91
October	82.6		82	82	85	78
November	79.2		71	68	93	78
December	71.9		86	66	64	67
Average	81.3	78.9	86.6	84.7	85.1	73.5

9th best VFR conditions of Portugal

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	91.2	87	93	96	83
February	95.7	92	100	99	89
March	94.6	93	93	96	98
April	98.3		100	98	97
May	97.8		100	95	99
June	98.1		98	98	98
July	98.7		99	99	98
August	97.0		97	97	97
September	95.8		93	95	97
October	92.8		92	89	93	91
November	94.3		91	91	100	95
December	90.5		97	88	83	90
Average	94.3	90.7	96.2	95.5	94.7	92.1

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	15.0	17	15	16	13
February	16.2	18	16	18	16
March	17.1	17	18	17	19
April	20.4		23	18	19
May	22.6		24	24	21
June	24.7		26	24	23
July	26.8		26	30	26
August	26.7		28	26	26
September	24.9		25	24	25
October	23.5		24	23	24	19
November	18.3		19	18	18	18
December	15.8		16	17	17	15
Average	19.1	17.2	21.6	21.2	20.4	17.2

8th highest temperature of Portugal

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	9.1	11	9	9	8
February	10.1	12	9	10	11
March	11.1	12	11	11	11
April	12.7		14	11	13
May	14.8		15	16	14
June	16.9		18	17	15
July	18.1		18	20	17
August	18.2		20	18	18
September	17.5		18	18	18
October	16.3		18	17	16	13
November	12.6		14	13	11	13
December	10.7		10	13	12	10
Average	12.7	11.7	14.3	14.4	13.7	11.9

8th lowest temperature of Portugal

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	8.6	10	9	3	12
February	7.0	12	1	1	17
March	8.4	12	6	9	1
April	3.5		2	6	6
May	2.4		1	3	3
June	2.2		1	3	3
July	1.1		1	0	3
August	0.3		0	0	1
September	2.0		3	4	1
October	6.6		10	7	5	14
November	7.4		9	14	4	4
December	10.4		7	13	9	16
Average	7.1	11.2	3.8	4.4	4.7	10.9

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	8.4	7	10	8	9
February	9.1	10	8	8	9
March	9.7	10	8	10	9
April	9.7		10	12	8
May	11.1		12	10	12
June	12.4		12	12	13
July	13.5		15	11	14
August	13.0		14	11	14
September	10.8		9	10	10
October	7.9		8	8	8	8
November	8.4		8	7	10	8
December	8.1		7	8	9	8
Average	9.9	9.1	10.4	9.9	10.6	8.0

8th highest wind speed of Portugal

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	100°	351°	044°	323°
February	303°	047°	007°	201°
March	281°	255°	005°	012°
April		349°	336°	279°
May		339°	341°	337°
June		343°	327°	344°
July		344°	350°	347°
August		347°	342°	346°
September		287°	314°	329°
October		235°	027°	327°	222°
November		288°	282°	002°	082°
December		019°	204°	005°	322°

Prevailing wind direction

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