Climate Casa Grande Municipal Airport 2020-2024

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

Calculated from historical METAR data of Casa Grande Municipal Airport (KCGZ) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	96.5	96	92	100	100	97
February	97.2	98	97	98	100	100
March	99.0	96	100	99	100	99
April	99.4		100	100	100	100
May	99.6		100	100	100	100
June	93.5		87	100	98	99
July	95.3		87	98	95	100
August	97.2		98	93	98	100
September	98.3		100	99	98	98
October	98.8		99	100	99	99
November	97.8		98	97	98	99
December	96.3		95	89	98	100
Average	97.0	96.4	95.5	97.9	98.5	99.1

63rd 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 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	98.3	97	95	100	100	99
February	98.4	99	98	99	100	100
March	99.5	98	100	99	100	100
April	99.5		100	100	100	100
May	99.7		100	100	100	100
June	93.5		88	100	98	99
July	95.6		87	98	97	100
August	97.2		98	93	99	100
September	98.4		100	99	98	98
October	99.1		99	100	99	99
November	98.6		99	98	98	99
December	97.7		97	93	100	100
Average	97.6	98.2	96.1	98.3	98.8	99.4

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	18.0	17	16	19	19	19
February	20.2	20	19	21	22	20
March	23.7	23	21	25	24	23
April	30.7		31	31	31	30
May	34.3		34	36	35	37
June	38.4		37	40	41	40
July	39.9		40	40	39	42
August	39.1		39	38	38	43
September	37.3		37	37	37	39
October	30.6		33	30	30	34
November	24.4		28	21	27	26
December	18.2		20	16	20	19
Average	28.9	20.2	29.9	29.8	30.2	30.8

42nd 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	5.0	4	5	6	5	4
February	6.2	7	5	5	7	6
March	9.0	8	8	9	9	10
April	13.0		10	13	15	12
May	16.8		17	18	17	19
June	18.9		12	23	22	24
July	25.0		20	29	25	29
August	23.9		26	26	26	28
September	21.8		21	25	23	20
October	15.2		16	17	14	16
November	9.3		11	7	11	10
December	5.6		7	5	7	4
Average	13.4	6.4	13.2	15.4	14.8	15.1

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	2.6	5	7	0	3	1
February	3.4	4	3	3	0	2
March	2.3	7	3	0	2	3
April	0.0		0	0	0	0
May	0.1		0	0	0	0
June	0.2		0	1	0	0
July	1.5		0	1	8	0
August	1.2		1	3	3	0
September	0.6		1	0	2	0
October	1.4		0	0	0	0
November	1.3		0	3	0	0
December	4.1		5	9	3	1
Average	1.8	5.2	1.3	1.3	1.6	0.6

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	4.8	5	5	5	5	4
February	5.8	5	7	6	6	6
March	6.1	6	7	6	7	6
April	5.9		4	7	6	6
May	6.2		6	6	6	6
June	5.3		4	6	6	6
July	5.8		5	5	6	6
August	5.2		6	5	5	6
September	5.5		6	5	5	6
October	5.7		5	5	6	5
November	5.1		5	6	5	5
December	4.2		5	3	3	5
Average	5.5	5.3	5.5	5.5	5.4	5.6

42nd 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	328°	225°	055°	079°	013°
February	226°	167°	069°	285°	044°
March	237°	244°	271°	236°	206°
April		262°	256°	237°	232°
May		213°	232°	238°	240°
June		215°	207°	257°	233°
July		253°	242°	210°	244°
August		183°	168°	184°	255°
September		187°	109°	137°	201°
October		078°	085°	209°	226°
November		053°	003°	056°	053°
December		066°	268°	304°	029°

Prevailing wind direction

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