Climate Tapeta Airport 2020-2024

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

Calculated from historical METAR data of Roberts International Airport (GLRB) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	34.6	32	48	41	16	30
February	34.0	14	40	31	21	17
March	38.3	46	41	47	24	20
April	37.3		38	48	30	35
May	21.6		25	6	23	18
June	9.8		9	9	14	8
July	5.3		8	8	2	1
August	4.2		6	3	5	2
September	6.1		5	6	21	2
October	13.3		8	12	21	8
November	26.1		25	35	38	11
December	30.2		39	41	38	18
Average	23.3	30.8	23.6	24.7	21.2	13.4

1st best VFR conditions of Liberia

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	89.7	91	89	94	95	87
February	92.3	94	98	92	95	77
March	96.5	97	98	95	95	98
April	98.4		99	99	98	100
May	98.4		99	100	98	98
June	96.4		94	99	97	99
July	92.4		93	94	95	95
August	91.6		93	92	96	97
September	94.2		96	92	100	95
October	98.2		98	99	99	98
November	97.8		97	100	99	96
December	90.3		91	93	96	97
Average	94.5	94.1	95.3	94.8	96.7	94.6

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	32.6	33	33	33	32	33
February	33.0	33	33	33	31	34
March	32.8	33	33	33	32	33
April	32.2		33	32	32	32
May	31.6		32	31	32	32
June	29.7		29	30	31	30
July	28.1		29	28	28	28
August	27.9		28	28	29	28
September	28.8		29	28	31	29
October	30.4		30	30	31	30
November	31.3		31	30	31	32
December	32.0		33	31	32	31
Average	31.1	33.0	30.9	30.5	31.0	30.9

1st highest temperature of Liberia

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	23.2	25	23	23	23	23
February	23.5	23	24	23	24	24
March	22.8	23	21	23	24	23
April	21.9		22	23	24	19
May	21.6		19	19	22	21
June	19.3		13	19	22	23
July	20.0		15	21	21	24
August	18.0		18	17	22	23
September	18.2		18	18	21	19
October	20.8		18	21	23	20
November	21.4		21	17	23	23
December	22.7		23	19	23	24
Average	21.5	23.6	19.3	20.6	22.7	22.0

1st lowest temperature of Liberia

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	0.2	0	0	0	1	1
February	0.4	1	0	0	3	0
March	0.4	0	1	0	2	0
April	0.8		0	0	1	1
May	2.4		3	3	1	4
June	14.1		19	9	6	9
July	23.7		24	20	18	23
August	27.4		29	39	16	23
September	16.7		23	22	13	17
October	5.0		6	6	2	6
November	1.4		2	2	0	2
December	0.6		0	2	0	1
Average	6.9	0.3	9.3	10.2	4.6	7.7

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	5.6	6	5	8	4	5
February	6.1	5	6	8	5	6
March	6.0	5	6	8	4	6
April	5.0		3	6	4	5
May	4.8		5	6	5	5
June	5.1		6	7	4	5
July	5.1		6	6	4	5
August	5.3		6	7	6	5
September	4.7		4	6	5	3
October	4.6		6	4	5	4
November	3.6		4	4	4	4
December	4.1		4	3	4	4
Average	5.1	5.3	5.2	6.3	4.5	4.8

1st highest wind speed of Liberia

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	212°	254°	225°	262°	330°
February	234°	244°	242°	262°	254°
March	237°	243°	241°	247°	246°
April		239°	238°	234°	235°
May		216°	205°	224°	227°
June		196°	204°	227°	206°
July		205°	201°	206°	210°
August		215°	214°	231°	209°
September		212°	228°	265°	224°
October		189°	207°	223°	208°
November		204°	227°	215°	198°
December		170°	225°	211°	225°

Prevailing wind direction

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