Climate Illesheim Army Heliport 2020-2024

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

Calculated from historical METAR data of Illesheim Army Heliport (ETIK) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	44.9	55	42	35	39	55
February	65.8	54	48	68	64	75
March	76.9	72	73	81	86	79
April	82.3		63	74	86	98
May	88.1		82	91	88	95
June	88.7		85	92	89	82
July	92.5		94	92	86	96
August	91.4		82	93	86	96
September	84.0		85	74	90	85
October	75.0		83	69	72	70
November	53.1		56	55	38	57
December	47.7		46	26	34	51
Average	71.9	61.2	72.9	74.6	75.9	81.6

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 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	81.1	86	83	75	79	79
February	91.9	96	84	98	79	98
March	95.7	94	98	91	97	99
April	95.2		92	89	98	100
May	96.0		93	95	99	97
June	95.1		88	96	96	94
July	98.1		99	98	97	98
August	98.2		97	98	98	99
September	93.8		92	91	95	95
October	91.0		94	87	88	95
November	78.2		93	70	76	70
December	79.3		85	61	63	77
Average	90.8	92.1	92.1	89.3	91.2	93.3

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	4.4	6	5	4	3	6
February	7.4	11	7	8	6	9
March	10.5	14	11	12	10	10
April	14.5		12	13	12	18
May	18.4		19	21	16	18
June	24.6		25	26	25	22
July	25.9		26	27	23	26
August	25.2		24	28	22	26
September	20.9		24	19	22	22
October	15.8		17	18	14	14
November	8.2		8	10	6	9
December	5.0		6	0	6	5
Average	13.5	10.1	15.5	15.9	13.6	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	2024	2023	2022	2021	2020
January	-1.3	-2	1	0	-1	-1
February	-1.0	3	-1	1	-4	2
March	0.1	2	1	-3	-1	0
April	2.0		2	1	-1	1
May	6.0		6	8	6	4
June	11.0		10	11	13	10
July	12.0		13	12	12	11
August	13.0		14	13	11	14
September	8.6		10	8	9	8
October	5.7		7	7	3	7
November	1.6		3	2	1	1
December	0.0		2	-5	1	0
Average	4.2	0.9	5.6	4.8	4.0	4.5

10th lowest temperature of Germany

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	17.4	22	23	16	30	4
February	10.6	12	13	13	12	16
March	10.1	8	19	7	6	14
April	11.4		20	21	9	3
May	6.8		8	4	12	5
June	7.2		6	6	6	15
July	8.3		18	6	9	4
August	8.2		17	5	9	9
September	4.9		5	14	2	4
October	8.5		13	10	6	12
November	12.3		21	22	10	4
December	15.0		30	22	7	10
Average	10.2	13.6	15.4	11.2	9.1	8.0

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	8.0	8	9	9	7	6
February	8.4	9	9	12	5	12
March	7.9	7	10	5	7	9
April	6.4		7	7	6	5
May	5.9		5	6	8	5
June	4.8		6	5	4	6
July	5.6		8	6	4	6
August	5.3		6	5	6	5
September	5.0		4	6	4	4
October	5.7		6	4	5	7
November	5.6		10	4	5	4
December	6.8		10	4	6	5
Average	6.5	7.9	7.2	6.0	5.7	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	2024	2023	2022	2021	2020
January	249°	243°	255°	239°	230°
February	241°	263°	242°	099°	239°
March	251°	245°	059°	263°	227°
April		301°	295°	284°	358°
May		027°	261°	249°	326°
June		358°	271°	309°	269°
July		254°	286°	260°	270°
August		252°	010°	260°	255°
September		229°	257°	264°	261°
October		242°	233°	236°	236°
November		244°	238°	242°	214°
December		246°	349°	238°	197°

Prevailing wind direction

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