Climate Clutton Hill Airstrip 2020-2024

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

Calculated from historical METAR data of Bristol Airport (EGGD) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	43.7	53	51	46	23	40
February	48.5	31	45	47	56	49
March	47.4	42	29	64	53	60
April	68.5		53	79	82	80
May	70.2		74	69	64	83
June	63.5		73	74	54	64
July	67.9		58	74	65	52
August	59.8		61	72	40	55
September	65.6		68	82	55	71
October	57.6		65	67	56	46
November	51.2		51	56	50	40
December	40.1		25	45	27	51
Average	57.1	41.9	56.6	67.4	54.2	59.6

87th 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	70.1	84	77	76	45	68
February	73.3	54	71	73	81	80
March	75.8	78	69	85	82	81
April	86.0		79	92	96	89
May	85.1		83	87	84	95
June	84.4		92	90	79	86
July	86.4		83	93	83	76
August	83.7		86	88	80	76
September	85.0		88	95	79	84
October	79.1		78	90	82	72
November	75.2		81	81	77	62
December	65.8		63	55	60	68
Average	79.6	71.8	80.4	86.2	78.8	79.4

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	7.1	7	7	8	6	9
February	8.5	10	9	9	8	9
March	9.9	10	9	11	10	10
April	12.7		12	13	11	16
May	16.2		17	16	14	18
June	19.4		22	19	19	19
July	20.8		18	22	21	19
August	19.9		19	24	19	20
September	17.9		20	18	19	18
October	14.1		15	16	14	13
November	10.0		10	11	10	11
December	8.0		9	4	9	8
Average	13.1	9.0	14.0	14.5	13.2	13.9

56th 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	2.6	3	3	3	2	4
February	3.4	5	4	5	3	4
March	3.9	5	5	4	4	3
April	4.8		5	5	2	6
May	8.1		9	10	7	8
June	11.3		12	11	11	11
July	13.4		13	14	14	12
August	13.0		13	14	13	14
September	11.2		13	11	12	10
October	8.8		10	10	9	8
November	5.5		6	7	6	6
December	4.1		6	0	5	4
Average	7.1	4.2	8.0	7.9	7.2	7.4

61st 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	12.6	6	13	9	15	15
February	13.0	17	5	18	11	19
March	12.5	13	21	7	7	11
April	6.8		13	4	3	6
May	6.4		4	7	13	0
June	7.3		4	8	3	11
July	7.5		15	3	8	8
August	8.5		8	6	7	10
September	8.2		8	7	5	7
October	12.4		9	8	8	24
November	11.9		13	12	5	11
December	17.0		26	9	15	21
Average	10.0	12.4	10.9	7.6	7.9	10.8

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	10.1	11	11	8	10	10
February	12.1	12	10	15	12	15
March	11.3	11	11	10	11	13
April	9.5		9	10	9	9
May	9.4		10	10	10	10
June	9.3		9	9	8	10
July	8.8		11	8	8	10
August	9.0		9	8	9	9
September	9.1		8	9	8	9
October	9.8		9	10	9	11
November	9.9		11	10	9	10
December	10.5		13	8	11	9
Average	9.9	10.9	9.9	9.4	9.3	10.4

56th 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	233°	243°	248°	265°	221°
February	240°	262°	238°	142°	242°
March	198°	216°	095°	237°	307°
April		139°	040°	030°	084°
May		024°	243°	226°	315°
June		063°	220°	330°	242°
July		235°	246°	256°	256°
August		243°	322°	259°	236°
September		189°	254°	229°	270°
October		201°	195°	225°	255°
November		260°	204°	278°	212°
December		243°	060°	224°	224°

Prevailing wind direction

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