Climate Upernavik Kujalleq Heliport 2020-2024

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

Calculated from historical METAR data of Ilulissat Airport (BGJN) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	75.4	77	66	73	92	79
February	74.2	82	71	76	70	84
March	71.8	71	89	72	67	68
April	69.5		65	54	71	80
May	76.3		59	81	76	80
June			0	0	0	0
July	69.6		54	66	88	51
August	79.4		85	62	81	85
September	81.7		82	71	83	79
October	85.1		77	89	85	92
November	85.1		93	85	74	89
December			0	0	0	0
Average	76.3	75.2	75.1	70.3	77.0	79.2

4th best VFR conditions of Greenland

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	89.7	92	72	92	95	97
February	90.8	96	85	89	93	97
March	87.5	86	99	87	83	84
April	85.3		81	78	85	90
May	88.9		81	94	91	89
June			0	0	0	0
July	83.6		54	75	96	86
August	91.9		93	86	95	96
September	94.7		97	83	98	97
October	93.8		86	96	89	100
November	94.2		96	96	89	97
December			0	0	0	0
Average	89.9	89.8	87.1	86.4	90.9	92.6

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	-10.5	-9	-12	-6	-6	-13
February	-12.3	-11	-11	-11	-10	-14
March	-9.1	-7	-5	-8	-9	-11
April	-3.9		-1	-2	-1	-1
May	3.2		2	0	6	4
June	7.0		5	7	8	6
July	10.9		10	12	11	11
August	9.7		11	10	11	9
September	4.0		4	7	0	3
October	-1.9		-1	1	-1	2
November	-4.9		0	-3	-4	-4
December	-5.4		-7	0	-1	-3
Average	-2.6	-9.0	-1.6	0.6	0.4	-1.0

4th highest temperature of Greenland

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	-15.0	-13	-18	-12	-12	-18
February	-19.6	-18	-21	-18	-15	-19
March	-16.6	-14	-12	-14	-15	-18
April	-9.4		-7	-9	-8	-7
May	-2.0		-2	-5	0	-2
June	2.1		1	2	3	2
July	5.2		5	5	6	6
August	4.2		6	5	5	3
September	-1.6		0	3	-4	-2
October	-5.0		-5	-4	-6	-4
November	-9.5		-5	-9	-9	-10
December	-10.2		-12	-6	-7	-8
Average	-8.9	-16.8	-6.1	-6.9	-5.0	-7.8

3rd lowest temperature of Greenland

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	37.0	29	44	33	8	31
February	29.9	24	38	34	26	17
March	29.5	22	13	24	30	47
April	25.0		13	39	27	20
May	14.8		29	16	10	12
June			0	0	0	0
July	11.0		5	11	4	30
August	12.3		11	20	12	8
September	15.1		16	33	9	15
October	15.9		28	19	12	11
November	23.9		10	17	32	32
December			0	0	0	0
Average	20.3	23.3	18.2	25.4	17.0	19.8

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	9.9	8	12	13	7	10
February	8.4	8	9	10	10	6
March	7.3	6	6	8	8	10
April	7.7		6	7	8	9
May	6.7		7	5	7	7
June			0	0	0	0
July	5.8		4	5	7	7
August	5.5		5	7	6	5
September	6.3		6	6	6	6
October	7.5		9	6	8	8
November	10.5		12	6	10	13
December			0	0	0	0
Average	7.0	6.8	6.7	6.6	7.3	7.5

4th highest wind speed of Greenland

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	103°	131°	118°	094°	102°
February	123°	141°	115°	105°	110°
March	110°	094°	113°	120°	109°
April		041°	109°	118°	106°
May		008°	109°	082°	039°
June		360°	360°	360°	360°
July		315°	345°	096°	173°
August		068°	119°	089°	256°
September		084°	091°	094°	075°
October		113°	105°	101°	116°
November		094°	107°	096°	117°
December		360°	360°	360°	360°

Prevailing wind direction

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