Climate Santa Rosa - Artillery Colonel Victor Larrea International Airport 2020-2024

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

Calculated from historical METAR data of Santa Rosa - Artillery Colonel Victor Larrea International Airport (SERO) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	78.0	75	77	66	78	83
February	79.4	80	74	71	80	84
March	84.9	82	86	91	88	80
April	86.1		82	79	84	85
May	70.5		69	58	53	79
June	48.1		64	37	59	62
July	38.6		64	26	48	34
August	38.1		59	34	36	57
September	31.7		46	25	31	58
October	28.2		43	22	31	62
November	30.0		37	29	26	60
December	58.6		68	54	46	69
Average	59.6	78.8	62.6	49.0	55.1	71.6

17th best VFR conditions of Ecuador

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	99.3	100	100	100	100	99
February	98.6	99	100	100	100	99
March	99.3	100	100	99	99	99
April	99.7		100	99	100	100
May	97.6		99	96	94	98
June	95.3		99	92	96	96
July	93.0		99	90	94	92
August	92.6		98	92	92	99
September	93.6		96	93	95	98
October	91.5		96	89	93	100
November	92.5		94	90	92	98
December	98.1		99	99	97	100
Average	96.4	99.4	98.0	94.8	96.0	98.2

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	30.4	31	31	30	30	31
February	30.8	31	31	30	31	31
March	30.8	32	31	31	31	31
April	31.0		31	30	31	31
May	29.5		31	28	28	30
June	27.7		31	26	27	28
July	26.7		31	25	27	26
August	26.5		30	26	26	26
September	26.6		30	26	27	26
October	26.6		30	25	27	27
November	26.7		29	26	26	27
December	28.7		30	28	28	28
Average	28.8	31.4	30.4	27.5	28.0	28.5

8th highest temperature of Ecuador

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	23.4	25	20	23	24	24
February	23.9	24	24	24	24	24
March	24.1	24	24	24	24	24
April	24.2		24	24	24	25
May	23.7		24	23	23	24
June	22.3		23	19	22	24
July	21.7		22	20	22	23
August	21.2		21	21	21	22
September	21.4		22	21	21	23
October	21.2		22	17	22	24
November	21.2		24	15	22	23
December	22.9		25	18	23	24
Average	22.8	24.4	22.8	20.8	22.6	23.6

12th lowest temperature of Ecuador

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	3.6	4	2	3	3	3
February	5.2	6	2	2	4	7
March	4.1	2	5	3	5	1
April	2.9		6	4	2	3
May	6.4		5	9	10	5
June	9.1		4	18	8	8
July	11.1		3	16	11	13
August	12.7		5	13	15	7
September	10.8		5	13	12	4
October	12.6		8	15	13	2
November	11.2		9	14	13	5
December	4.6		5	4	4	4
Average	7.2	4.0	4.6	9.5	8.1	4.7

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	4.7	4	5	5	5	5
February	4.2	5	4	4	5	5
March	4.3	4	3	5	4	5
April	4.2		2	5	5	4
May	3.9		2	4	4	4
June	3.7		2	4	4	5
July	3.8		3	4	4	5
August	4.3		4	5	4	5
September	4.4		4	5	5	5
October	4.6		5	4	4	6
November	4.6		5	4	4	5
December	4.9		5	5	5	5
Average	4.3	4.3	3.8	4.3	4.4	4.7

8th highest wind speed of Ecuador

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	322°	310°	324°	328°	320°
February	320°	306°	319°	327°	322°
March	312°	307°	315°	320°	328°
April		294°	314°	311°	312°
May		309°	304°	303°	325°
June		305°	300°	308°	318°
July		303°	300°	303°	313°
August		307°	296°	293°	316°
September		303°	296°	297°	307°
October		307°	300°	301°	308°
November		303°	301°	297°	318°
December		317°	315°	311°	333°

Prevailing wind direction

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