Climate Backlanding Airport 2022-2024

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

Calculated from historical METAR data of Chetumal International Airport (MMCM) between 2022 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022
January	73.9	62	87	77
February	82.1	74	87	85
March	87.8	80	87	93
April	86.9		76	93
May	78.1		79	78
June	65.7		90	54
July	71.1		77	67
August	71.7		77	69
September	78.8		80	78
October	77.3		77	78
November	51.5		48	62
December	60.3		58	74
Average	74.3	71.7	75.2	75.9

36th best VFR conditions of Mexico

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
January	91.6	91	96	90
February	98.4	100	97	98
March	98.2	93	100	100
April	98.4		96	100
May	97.0		99	96
June	98.0		100	97
July	95.6		96	95
August	96.4		97	96
September	95.9		96	96
October	96.3		96	97
November	92.3		92	95
December	91.7		91	95
Average	95.7	94.7	96.0	96.5

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
January	26.9	28	26	27
February	27.6	28	27	28
March	29.5	30	29	30
April	29.9		30	30
May	30.5		30	31
June	31.2		32	31
July	31.1		31	31
August	30.7		31	31
September	29.9		30	30
October	29.3		31	28
November	27.7		29	26
December	26.1		27	26
Average	29.0	28.5	29.3	29.1

14th highest temperature of Mexico

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022
January	21.2	22	22	20
February	21.4	21	22	21
March	24.3	25	24	23
April	24.9		25	25
May	25.7		25	26
June	25.8		27	25
July	26.1		27	26
August	25.3		26	25
September	24.7		25	25
October	23.4		24	22
November	23.1		23	23
December	21.8		22	22
Average	23.6	22.8	24.3	23.6

44th lowest temperature of Mexico

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022
January	2.2	3	2	2
February	0.7	2	0	0
March	0.3	0	1	0
April	0.7		2	0
May	1.4		2	1
June	1.9		0	3
July	2.1		4	1
August	3.5		2	5
September	1.3		2	1
October	2.6		2	5
November	5.7		6	5
December	4.1		5	0
Average	2.0	2.0	2.5	1.6

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
January	6.2	6	7	6
February	7.1	6	10	7
March	8.9	9	10	9
April	9.3		8	10
May	9.2		7	10
June	7.9		9	8
July	6.8		7	7
August	5.5		6	5
September	3.4		4	3
October	3.9		4	4
November	3.9		4	4
December	5.0		5	5
Average	6.7	6.8	6.3	7.0

14th highest wind speed of Mexico

Average wind speed

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

Prevailing wind direction

Month	2024	2023	2022
January	118°	114°	065°
February	119°	118°	104°
March	125°	124°	110°
April		123°	115°
May		120°	118°
June		119°	115°
July		114°	115°
August		115°	119°
September		109°	098°
October		056°	104°
November		024°	082°
December		046°	110°

Prevailing wind direction

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