Statistics Guadalupe Pass Weather Station 2019-2023

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

Calculated from historical METAR data of Cavern City Air Terminal (KCNM) between 2019 and 2023.

VFR conditions (%)

Month	Average	2023	2022	2021	2020	2019
January	91.7	90	96	90	95	89
February	84.8	95	99	24	85	96
March	91.6	99	97	82	88	85
April	95.2	96	100	92	94	95
May	94.3	90	98	89	98	91
June	96.7	99	94	93	100	96
July	98.4	99	99	97	100	99
August	94.4	98	96	95	100	99
September	92.3		96	99	93	99
October	90.8		93	99	93	93
November	86.9		83	92	94	83
December	93.2		91	100	99	93
Average	92.9	95.8	95.2	88.2	95.0	93.3

130th best VFR conditions of United States

VFR conditions during daylight period

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

• Visibility: 5 mi 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	96.4	93	99	95	99	96
February	87.5	97	100	24	93	99
March	94.6	99	98	82	93	95
April	98.4	100	100	96	97	99
May	99.0	99	99	99	99	99
June	99.1	100	99	98	100	100
July	99.1	100	99	100	100	99
August	96.2	100	99	97	100	100
September	97.2		98	99	99	100
October	95.9		98	100	98	99
November	92.7		87	98	95	94
December	96.0		95	100	99	95
Average	96.3	98.5	97.6	91.3	97.7	97.9

Marginal VFR conditions or better during daylight period

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

• Visibility: 3⅛ mi 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	15.1	16	15	14	16	15
February	17.5	17	16	16	17	19
March	22.4	22	22	22	22	20
April	27.6	27	29	25	27	28
May	32.1	31	34	30	34	30
June	36.1	37	36	36	36	34
July	36.0	38	37	33	38	36
August	34.8	37	33	32	37	37
September	31.2		31	33	31	33
October	25.4		24	28	28	25
November	19.4		17	21	22	18
December	16.2		17	21	15	15
Average	26.5	28.1	26.1	25.8	26.8	25.7

382nd highest temperature of United States

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	-1.4	1	-2	-1	0	0
February	0.7	1	-3	-1	1	3
March	5.7	6	2	5	9	6
April	9.7	9	11	9	10	10
May	14.9	14	17	16	15	13
June	19.9	21	21	20	20	19
July	21.9	23	23	20	23	21
August	20.9	23	21	20	21	22
September	16.8		17	17	15	19
October	9.8		10	11	9	9
November	3.9		3	4	5	4
December	1.2		4	5	-2	1
Average	10.7	12.2	10.5	10.3	10.5	10.5

1,757th lowest temperature of United States

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2023	2022	2021	2020	2019
January	1.2	2	0	1	2	0
February	1.6	1	0	4	4	1
March	1.5	0	2	2	5	1
April	1.1	0	0	3	0	2
May	0.3	1	0	0	0	1
June	0.6	0	1	3	0	0
July	0.6	0	0	2	0	0
August	2.0	2	6	4	1	1
September	1.9		2	1	2	1
October	2.9		3	0	2	2
November	2.8		4	3	2	2
December	1.6		3	0	1	1
Average	1.4	0.6	1.7	1.9	1.4	1.0

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	8.8	9	8	8	9	9
February	9.7	11	8	8	9	11
March	10.3	11	11	11	10	10
April	10.3	11	12	10	9	11
May	9.5	8	11	9	8	10
June	8.1	9	8	7	9	8
July	7.0	8	7	6	6	7
August	6.2	7	7	6	6	6
September	7.0		6	7	7	7
October	8.0		8	8	8	8
November	8.5		10	7	9	8
December	7.7		9	8	8	8
Average	8.5	9.3	8.5	7.9	8.2	8.6

382nd highest wind speed of United States

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	248°	300°	252°	274°	247°
February	242°	204°	167°	254°	219°
March	233°	275°	237°	235°	187°
April	233°	242°	231°	248°	254°
May	170°	243°	149°	215°	204°
June	243°	120°	135°	168°	164°
July	145°	121°	132°	132°	133°
August	098°	076°	144°	139°	100°
September		146°	179°	077°	145°
October		296°	244°	248°	251°
November		247°	304°	228°	255°
December		241°	249°	316°	233°

Prevailing wind direction

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