Statistics Illesheim Army Heliport 2019-2023

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

Calculated from historical METAR data of Illesheim Army Heliport (ETIK) between 2019 and 2023.

VFR conditions (%)

Month	Average	2023	2022	2021	2020	2019
January	43.0	42	35	39	55	38
February	68.1	48	68	64	75	87
March	77.9	73	81	86	79	79
April	82.3	63	74	86	98	90
May	88.1	82	91	88	95	83
June	88.7	85	92	89	82	92
July	92.5	94	92	86	96	93
August	91.4	82	93	86	96	97
September	83.7		74	90	85	90
October	73.2		69	72	70	77
November	52.5		55	38	57	60
December	48.1		26	34	51	76
Average	73.6	74.4	74.6	75.9	81.6	82.7

41st best VFR conditions of Germany

VFR conditions during daylight period

Percentage of observations where the VFR minimums for ceiling and visibility are met:

• Visibility: 8 km or more
• Ceiling: 3,000 ft or more

Only observations between sunrise and sunset are taken into account.

Marginal VFR conditions (%)

Month	Average	2023	2022	2021	2020	2019
January	80.1	83	75	79	79	77
February	91.2	84	98	79	98	98
March	96.0	98	91	97	99	100
April	95.2	92	89	98	100	96
May	96.0	93	95	99	97	96
June	95.1	88	96	96	94	98
July	98.1	99	98	97	98	98
August	98.2	97	98	98	99	99
September	94.2		91	95	95	97
October	90.4		87	88	95	91
November	75.0		70	76	70	78
December	78.1		61	63	77	96
Average	90.6	92.6	89.3	91.2	93.3	94.7

Marginal VFR conditions or better during daylight period

Percentage of observations where the MVFR minimums for ceiling and visibility are met:

• Visibility: 5 km or more
• Ceiling: 1,000 ft or more

Only observations between sunrise and sunset are taken into account.

Maximum temperatures (°C)

Month	Average	2023	2022	2021	2020	2019
January	4.2	5	4	3	6	2
February	6.7	7	8	6	9	9
March	10.0	11	12	10	10	11
April	14.5	12	13	12	18	16
May	18.4	19	21	16	18	16
June	24.6	25	26	25	22	27
July	25.9	26	27	23	26	26
August	25.2	24	28	22	26	26
September	20.3		19	22	22	20
October	15.5		18	14	14	16
November	8.2		10	6	9	8
December	4.8		0	6	5	7
Average	14.1	16.4	15.9	13.6	15.3	15.3

21st highest temperature of Germany

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2023	2022	2021	2020	2019
January	-1.5	1	0	-1	-1	-2
February	-2.2	-1	1	-4	2	-3
March	-1.8	1	-3	-1	0	2
April	2.0	2	1	-1	1	2
May	6.0	6	8	6	4	4
June	11.0	10	11	13	10	11
July	12.0	13	12	12	11	12
August	13.0	14	13	11	14	12
September	8.3		8	9	8	8
October	5.5		7	3	7	7
November	1.5		2	1	1	2
December	-1.7		-5	1	0	0
Average	4.7	5.8	4.8	4.0	4.5	4.6

10th lowest temperature of Germany

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2023	2022	2021	2020	2019
January	16.5	23	16	30	4	18
February	10.3	13	13	12	16	2
March	10.5	19	7	6	14	10
April	11.4	20	21	9	3	3
May	6.8	8	4	12	5	7
June	7.2	6	6	6	15	8
July	8.3	18	6	9	4	8
August	8.2	17	5	9	9	4
September	5.1		14	2	4	3
October	7.6		10	6	12	7
November	10.3		22	10	4	4
December	11.7		22	7	10	9
Average	9.6	15.0	11.2	9.1	8.0	6.7

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	2023	2022	2021	2020	2019
January	8.0	9	9	7	6	9
February	8.3	9	12	5	12	5
March	8.1	10	5	7	9	11
April	6.4	7	7	6	5	6
May	5.9	5	6	8	5	6
June	4.8	6	5	4	6	4
July	5.6	8	6	4	6	5
August	5.3	6	5	6	5	4
September	5.2		6	4	4	6
October	5.5		4	5	7	6
November	4.7		4	5	4	5
December	6.1		4	6	5	6
Average	6.3	7.3	6.0	5.7	6.0	6.0

21st highest wind speed of Germany

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2023	2022	2021	2020	2019
January	243°	255°	239°	230°	249°
February	263°	242°	099°	239°	256°
March	245°	059°	263°	227°	244°
April	301°	295°	284°	358°	056°
May	027°	261°	249°	326°	297°
June	358°	271°	309°	269°	267°
July	254°	286°	260°	270°	291°
August	252°	010°	260°	255°	248°
September		257°	264°	261°	257°
October		233°	236°	236°	220°
November		238°	242°	214°	191°
December		349°	238°	197°	232°

Prevailing wind direction

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