Climate Alcantarí Airport 2020-2024

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

Calculated from historical METAR data of Alcantarí Airport (SLAL) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	86.8	86	89	86		100
February	75.4	75	73	79	100	50
March	80.9	87	89	68	50	100
April	86.2		90	82
May	93.5		96	91	100
June	97.7		97	99
July	97.4		97	98	100
August	97.9		99	97
September	94.7		95	95	0	100
October	89.2		90	89	0	100
November	89.3		83	97	100	100
December	85.0		85	85	0	100
Average	87.1	82.6	89.9	88.7	86.6	94.1

5th best VFR conditions of Bolivia

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	96.2	96	98	95		100
February	90.1	89	88	93	100	100
March	94.4	96	98	90	50	100
April	95.2		96	95
May	96.7		99	95	100
June	98.8		98	100
July	98.7		98	100	100
August	99.7		100	100
September	98.8		100	98	0	100
October	97.9		97	99	0	100
November	96.7		95	98	100	100
December	96.3		95	99	0	100
Average	95.4	93.7	96.7	96.5	86.6	100.0

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	19.6	21	20	19		16
February	17.7	19	18	18	19	14
March	18.6	20	19	19	11	16
April	19.5		20	19
May	17.9		20	18	15
June	17.9		19	18
July	19.7		21	21	12
August	19.2		22	20
September	20.0		23	20	9	23
October	21.5		24	21	12	16
November	21.0		23	21	16	20
December	19.0		22	18	10	15
Average	17.2	20.0	20.7	19.2	14.3	16.2

22nd highest temperature of Bolivia

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	11.0	11	10	11		16
February	10.8	11	10	10	18	14
March	10.5	11	10	10	11	16
April	9.4		9	9
May	8.7		8	7	15
June	6.2		5	6
July	8.7		7	8	12
August	7.9		7	6
September	9.7		10	7	9	23
October	11.1		12	9	12	16
November	11.2		12	9	16	20
December	11.6		12	10	10	15
Average	12.5	11.1	9.1	8.3	14.2	16.2

3rd lowest temperature of Bolivia

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	2.8	2	2	5		0
February	5.7	6	8	4	0	0
March	3.1	2	3	5	0	0
April	0.4		0	1
May	0.0		0	0	0
June	0.0		0	0
July	0.0		0	0	0
August	0.0		0	0
September	0.0		0	0	0	0
October	0.4		0	1	0	0
November	0.1		0	0	0	0
December	2.2		2	3	0	0
Average	1.0	3.2	1.2	1.4

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	7.2	7	8	7		4
February	6.3	6	6	7	14	5
March	6.0	6	6	7	2	9
April	6.7		6	8
May	6.9		6	8	8
June	6.7		6	7
July	7.0		7	7	5
August	7.2		7	8
September	9.8		9	10	0	11
October	9.6		10	10	0	9
November	9.0		9	9	10	7
December	8.2		8	8	7	9
Average	7.7	6.2	7.2	8.0	9.2	7.5

22nd highest wind speed of Bolivia

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	020°	050°	031°		270°
February	026°	022°	012°	020°	353°
March	027°	041°	018°	251°	356°
April		015°	003°
May		357°	359°	307°
June		339°	331°
July		336°	341°	243°
August		357°	004°
September		003°	003°	360°	005°
October		007°	011°	360°	336°
November		016°	042°	014°	345°
December		018°	039°	099°	015°

Prevailing wind direction

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