Climate George Best Belfast City Airport 2020-2024

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

Calculated from historical METAR data of George Best Belfast City Airport (EGAC) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	60.9	63	64	61	64	53
February	64.1	56	58	71	60	62
March	64.9	58	65	73	58	75
April	75.8		65	80	85	89
May	78.5		77	75	79	84
June	77.4		79	81	80	62
July	70.6		74	68	68	60
August	68.1		72	78	59	60
September	70.4		67	75	56	67
October	67.4		64	72	58	72
November	65.0		64	75	61	49
December	57.8		51	78	47	62
Average	68.6	58.6	68.5	74.4	66.3	67.4

68th best VFR conditions of United Kingdom

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	91.8	93	92	93	82	96
February	91.7	86	96	94	87	95
March	92.0	89	93	92	96	98
April	93.4		86	92	96	100
May	95.4		95	93	96	98
June	95.3		97	97	96	91
July	95.2		94	97	94	91
August	92.6		95	97	89	85
September	93.5		88	96	89	93
October	94.4		95	90	93	96
November	92.1		91	96	92	87
December	89.0		85	94	80	93
Average	93.0	88.9	92.6	94.5	91.7	93.2

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	7.8	8	9	9	6	9
February	8.8	10	10	9	7	8
March	10.0	10	10	11	10	10
April	11.9		12	12	11	13
May	15.6		17	16	14	16
June	18.3		21	18	18	18
July	19.2		18	20	21	17
August	18.7		19	21	18	18
September	16.8		18	17	18	16
October	13.7		15	15	15	12
November	10.4		10	12	11	11
December	8.4		10	7	9	8
Average	12.8	9.3	14.0	14.0	13.1	13.0

68th highest temperature of United Kingdom

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	3.5	3	4	4	1	4
February	3.8	5	6	4	3	3
March	4.0	5	4	4	5	3
April	5.6		6	6	3	6
May	8.3		9	10	6	8
June	11.6		13	12	11	11
July	12.8		13	13	13	11
August	12.6		13	13	13	13
September	10.9		12	12	12	10
October	8.4		9	9	10	7
November	5.5		5	7	7	6
December	4.1		6	1	5	3
Average	7.2	4.1	8.2	8.0	7.4	7.0

64th lowest temperature of United Kingdom

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	17.8	17	23	21	18	14
February	19.2	18	11	25	25	28
March	19.6	29	25	15	11	13
April	12.3		17	15	5	5
May	12.1		6	21	16	5
June	12.6		11	16	6	19
July	14.1		27	9	6	21
August	15.6		19	8	15	20
September	16.7		25	16	13	11
October	19.2		23	25	20	21
November	18.6		18	13	21	20
December	23.1		40	11	26	23
Average	16.7	22.3	19.5	15.8	13.7	15.9

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	9.5	9	9	9	8	13
February	11.3	9	10	12	13	14
March	10.1	10	9	9	11	11
April	9.1		8	9	9	9
May	8.5		7	9	9	9
June	8.4		7	9	8	9
July	7.7		8	7	6	8
August	8.0		8	7	7	8
September	8.4		8	8	7	9
October	9.3		9	10	8	10
November	9.1		8	11	8	10
December	9.1		10	7	9	10
Average	8.9	9.3	8.1	8.5	8.4	9.8

68th highest wind speed of United Kingdom

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	217°	228°	236°	279°	210°
February	229°	223°	243°	157°	227°
March	140°	198°	156°	225°	216°
April		139°	141°	062°	073°
May		039°	221°	113°	179°
June		125°	202°	166°	012°
July		220°	259°	030°	251°
August		220°	261°	195°	094°
September		198°	017°	204°	223°
October		166°	204°	225°	241°
November		251°	200°	258°	201°
December		228°	169°	202°	219°

Prevailing wind direction

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