Statistics El Trompillo Airport 2019-2023

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

Calculated from historical METAR data of Viru Viru International Airport (SLVR) between 2019 and 2023.

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VFR conditions (%)

Month	Average	2023	2022	2021	2020	2019
January	53.9	60	71	48	58	44
February	59.3	76	71	58	42	65
March	60.6	65	73	68	75	52
April	65.3	64	71	65	82	66
May	59.5	46	76	78	78	53
June	63.3	79	74	58	48	63
July	71.6	75	72	77	67	62
August	68.3	86	69	53	81	55
September	56.1	71	56	60	50	50
October	58.2	47	71	61	66	60
November	59.1	39	84	61	64	61
December	58.6		82	68	59	47
Average	61.1	63.7	72.0	62.2	64.1	56.2

15th best VFR conditions of Bolivia

VFR conditions during daylight period

Percentage of observations where the VFR minimums for ceiling and visibility are met:

Visibility: 8 km or more
Ceiling: 3,000 ft or more

Only observations between sunrise and sunset are taken into account.

Marginal VFR conditions (%)

Month	Average	2023	2022	2021	2020	2019
January	86.8	91	95	78	87	85
February	91.2	93	92	92	90	92
March	91.2	91	90	92	98	88
April	91.7	94	95	92	97	93
May	90.6	86	98	99	96	91
June	94.5	95	98	95	86	93
July	97.0	99	94	98	96	94
August	93.3	99	91	84	97	95
September	88.3	98	87	91	84	82
October	91.0	78	96	96	87	95
November	90.9	78	97	92	86	95
December	89.3		95	89	87	90
Average	91.3	90.7	93.8	91.2	90.7	90.9

Marginal VFR conditions or better during daylight period

Percentage of observations where the MVFR minimums for ceiling and visibility are met:

Visibility: 5 km or more
Ceiling: 1,000 ft or more

Only observations between sunrise and sunset are taken into account.

Maximum temperatures (°C)

Month	Average	2023	2022	2021	2020	2019
January	31.2	31	34	29	32	31
February	30.8	30	32	31	30	31
March	30.7	31	30	30	33	30
April	29.2	29	30	28	31	29
May	26.5	26	27	26	27	27
June	25.3	27	26	24	25	27
July	26.8	27	29	27	25	25
August	28.9	31	28	30	28	30
September	31.5	33	29	32	31	33
October	32.2	34	31	33	34	32
November	32.3	35	34	31	33	33
December	31.0		32	32	32	30
Average	29.7	30.2	30.0	29.3	30.2	29.6

12th highest temperature of Bolivia

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2023	2022	2021	2020	2019
January	21.7	21	23	21	23	22
February	21.6	20	23	22	23	23
March	20.8	22	20	21	23	21
April	20.3	20	21	21	20	20
May	17.9	18	17	18	17	18
June	16.0	17	15	16	18	17
July	16.8	19	19	16	17	16
August	17.5	20	17	19	16	17
September	20.1	22	19	22	20	20
October	21.2	23	20	21	23	21
November	21.5	24	20	21	22	22
December	22.0		22	23	22	22
Average	19.7	20.5	19.5	19.9	20.1	19.8

12th lowest temperature of Bolivia

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2023	2022	2021	2020	2019
January	6.9	8	1	15	6	8
February	6.6	9	2	5	10	6
March	5.6	7	7	4	3	5
April	3.9	4	1	5	1	5
May	5.5	8	3	1	3	7
June	4.5	4	1	4	9	6
July	2.1	1	5	2	2	5
August	2.8	0	6	1	4	0
September	1.4	0	2	1	1	2
October	3.1	3	2	3	1	6
November	3.3	1	1	7	0	6
December	7.6		3	9	7	7
Average	4.4	4.1	2.6	4.8	3.8	5.3

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	2023	2022	2021	2020	2019
January	10.3	10	10	11	10	11
February	9.8	11	10	8	11	10
March	9.3	10	10	8	7	11
April	9.5	9	11	9	10	10
May	10.2	9	10	11	10	11
June	11.3	11	11	10	12	12
July	12.1	12	14	11	11	12
August	12.5	12	12	13	10	13
September	12.4	14	12	13	11	12
October	11.7	13	10	11	12	12
November	10.5	15	11	10	9	10
December	10.0		11	8	11	10
Average	10.8	11.4	11.0	10.2	10.3	11.1

12th 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	2023	2022	2021	2020	2019
January	339°	340°	337°	333°	343°
February	330°	332°	321°	323°	322°
March	333°	345°	312°	328°	323°
April	177°	336°	308°	246°	310°
May	337°	245°	321°	314°	319°
June	339°	286°	217°	338°	333°
July	334°	339°	330°	328°	277°
August	333°	306°	284°	310°	287°
September	334°	214°	332°	312°	287°
October	336°	324°	330°	319°	326°
November	336°	228°	330°	331°	334°
December		316°	265°	329°	333°

Prevailing wind direction

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