Climate Grantley Adams International Airport 2020-2024

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

Calculated from historical METAR data of Grantley Adams International Airport (TBPB) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	88.2	86	93	91	85	85
February	88.3	94	90	83	85	90
March	89.7	92	88	91	94	89
April	87.6		90	82	83	91
May	88.6		91	93	90	88
June	85.1		91	83	88	79
July	84.2		86	87	82	89
August	84.7		87	85	84	83
September	86.9		95	83	92	89
October	85.1		85	86	85	81
November	85.8		83	90	87	84
December	86.6		87	92	87	86
Average	87.2	91.0	88.7	86.8	86.6	85.8

1st best VFR conditions of Barbados

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	99.3	100	100	100	99	99
February	99.0	100	99	98	99	99
March	99.6	99	100	100	100	99
April	97.6		100	95	92	99
May	99.6		100	100	100	100
June	99.2		99	100	99	99
July	99.2		99	99	99	99
August	98.5		98	98	98	98
September	98.5		99	98	100	98
October	97.6		94	97	99	97
November	98.8		97	99	100	98
December	99.1		97	100	99	100
Average	98.9	99.6	98.4	98.4	98.5	98.6

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	28.9	29	29	29	29	30
February	29.0	30	29	29	29	30
March	29.3	30	30	29	29	30
April	29.7		30	30	29	31
May	30.3		30	30	30	31
June	30.6		31	31	31	31
July	30.5		30	31	30	31
August	30.8		31	31	31	31
September	31.3		32	31	32	32
October	30.7		31	31	31	31
November	30.3		30	30	31	30
December	29.6		29	29	30	30
Average	30.0	29.4	30.0	30.0	30.1	30.4

1st highest temperature of Barbados

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	23.9	25	24	24	25	25
February	23.9	26	24	24	25	25
March	24.4	25	24	24	25	24
April	24.9		25	25	25	26
May	25.9		26	26	26	27
June	26.0		27	26	26	26
July	26.2		26	26	26	27
August	26.0		27	26	26	26
September	26.0		27	26	26	26
October	25.8		26	26	26	25
November	25.4		26	25	25	25
December	24.8		25	23	25	25
Average	25.2	25.1	25.4	25.1	25.2	25.4

1st lowest temperature of Barbados

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	8.7	13	7	8	12	12
February	7.5	1	9	15	7	9
March	5.2	6	4	7	5	7
April	8.0		10	14	6	4
May	5.2		8	6	5	3
June	8.7		9	11	10	7
July	9.2		12	10	9	9
August	10.5		13	12	11	13
September	9.1		4	16	5	9
October	10.5		10	13	8	15
November	11.4		15	11	9	16
December	8.9		14	6	7	10
Average	8.3	6.2	9.3	10.8	7.7	9.3

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	16.1	17	16	16	17	16
February	16.9	15	17	16	19	16
March	16.1	13	16	19	17	15
April	15.4		14	16	15	16
May	15.9		10	16	18	17
June	16.5		11	18	17	16
July	15.8		15	17	16	15
August	13.3		12	14	13	14
September	11.6		10	12	11	11
October	13.0		11	13	16	12
November	14.3		15	15	14	15
December	15.2		12	12	18	13
Average	15.0	15.0	13.2	15.3	15.9	14.7

1st highest wind speed of Barbados

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	093°	097°	091°	090°	095°
February	108°	094°	089°	093°	096°
March	096°	101°	092°	092°	095°
April		107°	100°	099°	100°
May		103°	105°	095°	101°
June		098°	102°	095°	098°
July		103°	102°	097°	101°
August		111°	101°	093°	099°
September		127°	124°	102°	109°
October		119°	105°	101°	103°
November		101°	103°	096°	101°
December		089°	090°	090°	089°

Prevailing wind direction

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