Climate Codela Airport 2020-2024

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

Calculated from historical METAR data of Guanacaste Airport (MRLB) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	99.6	100	100	99	99	100
February	99.5	100	100	98	100	100
March	99.5	100	98	99	100	100
April	99.3		100	98	99	100
May	95.1		99	92	98	99
June	94.4		97	84	96	98
July	97.8		98	94	98	97
August	95.3		96	92	93	94
September	92.5		97	92	92	91
October	88.1		90	87	91	90
November	93.3		89	85	99	90
December	99.2		99	100	100	99
Average	96.5	99.7	96.7	92.9	96.9	96.4

2nd best VFR conditions of Costa Rica

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	2021	2020
January	99.7	100	100	100	99	100
February	99.7	100	100	99	100	100
March	99.5	100	99	99	100	100
April	99.5		100	98	100	100
May	98.3		99	97	100	100
June	97.4		98	94	98	99
July	98.5		99	97	99	98
August	97.4		96	95	96	99
September	95.6		98	95	95	94
October	93.8		94	91	95	95
November	96.9		95	93	99	96
December	99.4		99	100	100	100
Average	98.1	99.7	97.9	96.2	98.3	98.2

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	2021	2020
January	32.8	34	33	33	32	33
February	33.6	34	33	33	33	34
March	34.5	36	34	34	34	35
April	34.8		35	35	34	36
May	32.9		36	32	33	34
June	31.3		33	30	32	31
July	31.8		33	31	32	32
August	31.5		33	31	31	31
September	31.3		33	30	31	31
October	30.2		31	30	31	30
November	30.9		32	30	31	29
December	32.2		33	31	32	32
Average	32.6	34.6	33.1	31.6	32.0	32.3

1st highest temperature of Costa Rica

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	21.1	23	21	19	19	23
February	22.0	21	24	21	21	22
March	22.3	22	22	22	21	23
April	22.9		22	23	23	24
May	23.4		24	22	23	24
June	23.0		24	23	21	24
July	22.9		24	23	23	23
August	22.6		23	22	22	23
September	22.6		23	23	21	23
October	22.2		23	23	21	24
November	21.8		23	23	20	22
December	22.1		22	22	22	22
Average	22.3	21.9	22.7	22.1	21.3	23.0

3rd lowest temperature of Costa Rica

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	0.1	0	0	0	0	0
February	0.0	0	0	0	0	0
March	0.0	0	1	0	0	0
April	0.6		0	1	1	1
May	6.6		1	10	2	3
June	7.6		3	21	5	6
July	4.0		2	8	4	2
August	6.7		4	8	13	10
September	6.7		3	13	4	5
October	12.9		15	9	5	12
November	6.5		8	13	2	14
December	0.5		1	0	1	0
Average	3.9		3.2	7.3	3.0	4.4

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	13.0	13	13	12	13	13
February	14.7	12	18	15	13	16
March	13.5	11	11	12	15	16
April	9.8		10	9	10	10
May	7.1		10	5	8	8
June	6.1		6	5	6	6
July	7.7		9	6	8	7
August	6.7		7	6	6	6
September	5.4		6	5	6	5
October	5.1		5	5	5	5
November	6.4		6	6	7	6
December	10.5		9	11	9	10
Average	9.1	11.6	9.0	7.8	8.7	8.8

1st highest wind speed of Costa Rica

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	077°	077°	074°	079°	076°
February	077°	076°	079°	084°	076°
March	068°	075°	077°	085°	074°
April		074°	080°	091°	070°
May		073°	239°	092°	087°
June		107°	223°	102°	121°
July		086°	089°	093°	085°
August		087°	072°	118°	159°
September		098°	255°	174°	264°
October		173°	257°	269°	235°
November		077°	072°	088°	235°
December		079°	078°	083°	079°

Prevailing wind direction

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