Climate Gloucestershire Airport 2020-2024

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

Calculated from historical METAR data of Gloucestershire Airport (EGBJ) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	60.6	67	58	59	55	57
February	70.1	57	61	75	75	79
March	66.7	63	48	71	65	76
April	78.0		59	84	89	99
May	81.3		76	84	78	97
June	79.6		83	86	73	80
July	85.4		79	89	83	75
August	78.5		79	79	66	69
September	82.2		75	90	78	84
October	72.7		72	84	67	67
November	64.9		66	67	59	60
December	60.2		38	54	49	59
Average	72.9	61.9	67.4	78.6	71.2	72.6

45th 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	90.7	98	91	94	83	88
February	95.3	91	95	99	97	96
March	92.9	95	91	92	85	96
April	95.8		95	100	100	100
May	96.2		99	99	95	100
June	95.9		98	98	94	96
July	98.1		97	99	96	97
August	96.7		96	97	98	95
September	96.5		95	98	95	98
October	92.2		91	98	97	90
November	92.2		96	93	92	87
December	88.3		83	78	86	85
Average	94.5	94.6	94.2	96.1	94.0	93.5

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	2021	2020
January	8.1	8	9	8	7	10
February	10.0	11	11	11	9	10
March	11.5	12	11	13	12	11
April	13.9		13	15	12	15
May	18.1		18	18	15	23
June	21.2		23	21	21	20
July	22.9		21	24	23	21
August	21.9		21	25	21	22
September	19.8		22	20	22	20
October	15.6		17	18	16	14
November	11.2		11	13	11	12
December	8.7		10	4	10	8
Average	14.7	10.5	15.5	16.1	15.1	15.1

13th 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	4.1	4	4	3	5	6
February	5.4	8	5	7	6	6
March	6.6	8	7	7	6	6
April	7.4		7	8	5	8
May	11.7		12	12	10	16
June	15.2		16	15	15	16
July	16.7		16	17	17	16
August	15.9		16	17	15	16
September	13.2		15	13	14	12
October	10.7		12	12	12	10
November	7.1		7	9	7	7
December	5.5		7	0	7	5
Average	9.6	6.4	10.3	10.3	10.0	10.3

83rd 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	13.3	6	13	6	16	17
February	15.1	19	3	18	14	28
March	14.6	13	29	11	9	13
April	8.8		15	4	6	1
May	8.5		6	9	17	1
June	8.5		3	9	5	13
July	8.1		19	4	6	12
August	8.5		11	4	5	14
September	9.3		11	6	7	7
October	13.7		9	9	11	27
November	12.8		17	16	6	10
December	16.3		21	14	15	21
Average	11.4	12.8	12.8	8.5	8.8	15.1

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	6.1	7	6	5	6	8
February	8.2	8	5	11	9	11
March	7.9	8	8	7	7	10
April	6.2		6	8	6	4
May	6.1		6	7	7	7
June	6.9		7	7	6	8
July	6.4		8	6	5	8
August	6.5		6	5	6	7
September	6.2		6	5	6	7
October	7.0		6	7	7	8
November	6.5		6	7	5	7
December	6.7		8	3	7	7
Average	6.8	7.4	6.4	6.6	6.3	7.9

13th 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	201°	213°	241°	205°	211°
February	203°	219°	230°	157°	237°
March	176°	207°	109°	245°	230°
April		155°	344°	037°	256°
May		021°	225°	233°	232°
June		045°	215°	350°	217°
July		210°	249°	268°	225°
August		214°	296°	232°	212°
September		187°	253°	206°	237°
October		187°	190°	211°	217°
November		226°	185°	259°	194°
December		207°	139°	215°	178°

Prevailing wind direction

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