Climate Chala Airport 2020-2024

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

Calculated from historical METAR data of Andahuaylas Airport (SPHY) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2022	2021	2020
January	67.8		68	87	55
February	68.3		58	86	70
March	73.5	77	76	84	83
April	83.4		89	86	74
May	93.0		95	91	100
June	95.9		97	100	100
July	94.3		96	95	100
August	96.5		94	97	100
September	90.8		98	94	100
October	86.9		100	87	89
November	88.7		90	87	100
December	84.4		83	84	83
Average	82.8	77.0	86.2	89.4	76.8

11th best VFR conditions of Peru

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	2022	2021	2020
January	96.7		92	100	92
February	97.4		91	100	94
March	98.0	98	94	96	99
April	99.5		99	100	100
May	99.7		100	100	100
June	99.8		100	100	100
July	99.8		100	100	100
August	99.7		100	100	100
September	99.4		99	100	100
October	99.6		100	100	100
November	98.9		98	98	100
December	99.4		98	100	100
Average	98.6	98.3	97.0	99.4	96.6

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	2022	2021	2020
January	13.9		14	14	14
February	13.6		13	14	14
March	13.8	16	13	13	14
April	14.2		14	14	13
May	15.0		14	14	16
June	14.2		14	14	10
July	14.1		14	15	15
August	14.3		14	15	16
September	15.2		16	15	10
October	15.4		17	16	12
November	15.6		17	15	17
December	14.7		16	15	14
Average	14.7	16.1	14.4	14.4	14.4

24th highest temperature of Peru

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2022	2021	2020
January	5.3		6	8	6
February	6.2		7	8	7
March	6.2	7	6	8	6
April	4.5		4	8	11
May	2.4		3	7	14
June	1.7		1	7	10
July	1.4		0	6	11
August	2.4		2	7	8
September	3.4		3	4	8
October	4.4		4	5	7
November	5.8		5	6	10
December	6.2		4	6	9
Average	5.0	7.2	3.6	6.5	7.9

1st lowest temperature of Peru

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2022	2021	2020
January	8.9		10	3	6
February	8.5		10	3	9
March	8.3	9	10	4	3
April	2.7		1	5	0
May	1.0		1	2	0
June	0.6		0	0	0
July	2.2		2	1	0
August	1.0		4	0	0
September	2.5		0	2	0
October	4.6		1	6	19
November	2.4		2	7	0
December	4.3		6	5	9
Average	5.0	9.2	3.9	3.1	5.9

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	2022	2021	2020
January	3.6		5	7	7
February	3.6		5	6	6
March	2.9	5	2	6	5
April	1.0		0	6	7
May	0.9		0	6	9
June	0.9		0	6	8
July	1.7		0	6	6
August	2.5		0	7	7
September	3.0		0	6	5
October	4.3		0	6	7
November	4.6		0	6	9
December	4.7		0	6	7
Average	3.6	5.2	1.1	6.0	6.7

24th highest wind speed of Peru

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2022	2021	2020
January		360°	357°	010°
February		355°	004°	005°
March	024°	358°	001°	007°
April		360°	355°	007°
May		360°	355°	003°
June		360°	343°	004°
July		360°	356°	013°
August		360°	360°	013°
September		360°	005°	007°
October		360°	005°	022°
November		360°	008°	011°
December		360°	355°	009°

Prevailing wind direction

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