Climate Santa Rosa de Lima Airport 2020-2024

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

Calculated from historical METAR data of La Aramuaca Airport (MSAC) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	99.3	100	100	100	100	99
February	98.0	100	100	100	97	99
March	97.3	98	97	99	100	99
April	90.5		98	97	97	85
May	85.2		84	81	93	82
June	83.9		97	73	88	77
July	92.2		90	93	93	90
August	90.9		93	93	90	85
September	86.0		95	84	86	92
October	81.2		83	93	89	81
November	94.3		92	99	100	76
December	99.6		100	100	100	100
Average	92.3	99.3	94.1	91.7	94.0	89.5

4th best VFR conditions of El Salvador

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	99.5	100	100	100	100	100
February	99.3	100	100	100	100	100
March	98.4	100	100	100	100	99
April	96.2		99	99	100	89
May	96.8		92	99	99	94
June	96.8		100	98	100	96
July	98.0		100	99	100	98
August	97.9		100	100	98	98
September	98.5		100	99	100	100
October	95.4		100	99	98	98
November	99.1		100	100	100	98
December	99.7		100	100	100	100
Average	98.2	100.0	99.2	99.2	99.5	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	32.3	33	32	33	33	33
February	32.5	32	33	33	33	33
March	33.0	34	33	34	33	34
April	33.4		34	34	34	34
May	32.8		34	33	33	33
June	32.0		33	33	33	28
July	33.2		34	33	34	33
August	32.7		33	32	33	33
September	32.5		34	32	33	33
October	31.8		32	32	33	32
November	32.1		33	32	34	31
December	32.5		33	31	33	33
Average	32.6	33.1	33.1	32.6	33.1	32.3

2nd highest temperature of El Salvador

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	23.5	26	24	24	24	25
February	24.3	26	25	25	25	25
March	24.5	27	27	26	25	24
April	26.2		29	25	27	28
May	24.1		28	25	24	25
June	23.6		28	25	25	23
July	24.0		27	26	25	21
August	24.4		27	22	25	25
September	24.4		26	25	25	24
October	23.6		26	26	25	24
November	23.7		26	25	25	23
December	23.6		26	25	25	22
Average	24.3	26.0	26.6	24.7	24.9	23.8

5th lowest temperature of El Salvador

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	0.0	0	0	0	0	0
February	0.0	0	0	0	0	0
March	0.0	0	0	1	0	0
April	0.2		0	0	0	0
May	2.4		1	1	1	6
June	5.6		0	8	2	14
July	1.2		1	1	1	2
August	1.8		1	2	2	4
September	2.6		0	4	3	1
October	6.8		4	3	2	3
November	1.2		1	0	0	8
December	0.0		0	0	0	0
Average	1.6		0.7	1.8	0.9	2.9

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	5.2	5	4	4	5	5
February	5.3	5	5	4	5	6
March	5.5	5	5	5	5	6
April	5.0		4	4	5	5
May	4.6		4	4	4	4
June	4.1		4	4	4	4
July	4.2		3	4	4	4
August	4.2		3	4	4	4
September	4.3		4	4	4	4
October	4.4		4	4	4	4
November	4.4		4	4	5	4
December	4.6		4	3	4	4
Average	4.6	4.6	3.9	3.8	4.3	4.6

2nd highest wind speed of El Salvador

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	197°	201°	199°	207°	210°
February	201°	213°	202°	219°	205°
March	210°	216°	218°	217°	204°
April		229°	214°	240°	217°
May		215°	186°	216°	200°
June		203°	188°	193°	185°
July		192°	192°	205°	210°
August		214°	201°	197°	203°
September		219°	184°	203°	186°
October		155°	216°	216°	209°
November		195°	210°	208°	242°
December		151°	189°	197°	191°

Prevailing wind direction

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