Climate Cotulla-La Salle County Airport 2020-2024

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

Calculated from historical METAR data of Cotulla-La Salle County Airport (KCOT) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	76.0	66	72	80	78	76
February	67.1	77	74	77	48	77
March	76.2	71	72	91	85	71
April	77.0		65	74	79	75
May	82.1		80	84	80	91
June	89.1		91	97	82	86
July	94.0		94	97	84	94
August	93.9		91	86	97	99
September	89.1		96	91	95	87
October	81.1		78	88	88	85
November	70.0		64	52	84	81
December	73.5		77	44	72	90
Average	80.1	71.1	79.5	81.7	82.0	84.5

VFR conditions during daylight period

Percentage of observations where the VFR minimums for ceiling and visibility are met: visibility of 5 mi 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	86.8	84	79	91	89	88
February	86.3	93	88	95	80	91
March	92.6	89	91	97	97	90
April	94.6		87	97	95	94
May	96.8		94	97	97	99
June	98.3		99	99	98	99
July	98.4		98	100	94	99
August	97.8		95	95	99	100
September	96.0		100	97	99	95
October	93.0		95	94	96	93
November	88.0		85	75	98	93
December	86.9		91	65	89	97
Average	92.7	88.1	91.9	93.0	94.7	94.8

Marginal VFR conditions or better during daylight period

Percentage of observations where the MVFR minimums for ceiling and visibility are met: visibility of 3⅛ mi 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	21.1	19	24	22	21	23
February	23.9	26	25	22	21	23
March	28.0	28	30	29	29	29
April	30.9		31	33	32	30
May	34.3		33	37	33	35
June	37.3		41	40	35	36
July	38.4		40	41	35	39
August	38.0		40	37	37	38
September	35.1		39	35	37	33
October	30.4		30	31	33	32
November	24.3		23	22	26	28
December	22.2		23	22	28	23
Average	29.6	24.1	31.5	31.2	30.8	30.7

15th 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	2024	2023	2022	2021	2020
January	7.9	7	10	7	8	11
February	10.8	13	12	6	11	9
March	15.1	16	17	12	14	18
April	17.6		18	20	18	18
May	21.8		22	23	22	21
June	24.1		25	25	25	23
July	24.8		26	26	24	25
August	24.8		27	26	25	24
September	23.1		25	23	23	22
October	18.0		19	17	20	18
November	12.9		14	13	13	15
December	9.8		10	14	15	7
Average	16.9	11.7	18.7	17.8	18.2	17.6

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	3.3	3	5	5	4	2
February	1.9	0	2	2	4	3
March	4.2	4	4	0	1	5
April	2.4		5	1	1	1
May	2.6		2	1	3	1
June	2.2		1	0	1	2
July	1.7		2	0	6	2
August	2.1		4	7	1	0
September	2.9		1	1	2	3
October	3.4		6	3	1	0
November	5.3		10	10	4	4
December	4.0		5	4	1	2
Average	2.9	2.3	3.7	2.6	2.3	1.9

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	2023	2022	2021	2020
January	6.8	7	6	6	7	8
February	7.3	7	7	8	7	7
March	8.4	7	8	9	9	9
April	8.9		9	10	9	8
May	8.8		8	9	9	8
June	8.1		7	8	8	8
July	7.9		8	8	7	8
August	7.5		7	7	8	7
September	6.6		6	5	6	7
October	7.0		7	7	8	7
November	6.2		6	6	6	7
December	6.2		6	5	6	7
Average	7.5	7.2	7.0	7.5	7.6	7.6

15th 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	2024	2023	2022	2021	2020
January	026°	058°	028°	029°	110°
February	112°	063°	039°	070°	069°
March	108°	110°	137°	115°	117°
April		104°	126°	109°	101°
May		111°	139°	114°	126°
June		140°	140°	128°	127°
July		135°	139°	121°	134°
August		117°	128°	133°	136°
September		129°	111°	100°	067°
October		120°	122°	109°	118°
November		040°	080°	114°	108°
December		102°	107°	133°	302°

Prevailing wind direction

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