Climate Alta Airport 2020-2024

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

Calculated from historical METAR data of Alta Airport (ENAT) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	80.5	77	61	92	76	87
February	82.1	93	66	80	78	79
March	79.1	78	78	83	83	68
April	84.4		89	72	81	84
May	82.5		91	63	85	82
June			0	0	0	0
July	75.1		41	79	71	100
August	82.2		82	92	87	88
September	82.6		82	74	77	91
October	76.9		70	84	84	66
November	82.4		82	84	82	85
December			0	0	0	0
Average	81.6	83.1	79.9	79.2	81.9	82.0

12th best VFR conditions of Norway

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	93.5	92	94	96	96	98
February	93.6	95	84	95	93	93
March	93.0	96	91	95	96	87
April	96.4		98	91	95	96
May	97.0		99	92	98	96
June			0	0	0	0
July	96.1		100	98	91	100
August	98.9		98	100	99	100
September	99.5		100	100	99	100
October	98.7		99	100	100	99
November	95.9		95	99	97	100
December			0	0	0	0
Average	96.7	95.4	96.4	96.3	96.9	96.5

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	-4.0	-6	-2	-4	-6	-2
February	-4.4	-4	0	-5	-4	-1
March	-1.0	0	-4	2	0	0
April	3.5		5	3	4	3
May	8.3		11	8	6	8
June	13.6		16	15	15	14
July	17.5		18	18	17	17
August	15.8		18	17	15	16
September	11.4		13	10	10	13
October	4.2		2	6	5	6
November	-1.9		-2	0	-2	3
December	-4.8		-6	-5	-6	-1
Average	4.2	-4.8	5.6	5.7	4.4	6.1

55th highest temperature of Norway

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	-11.9	-13	-8	-9	-11	-8
February	-10.0	-9	-7	-12	-11	-8
March	-8.1	-5	-13	-5	-6	-6
April	-3.1		-1	-3	-3	-3
May	2.1		4	2	1	2
June	7.3		9	8	8	7
July	10.8		11	12	10	10
August	9.2		11	10	8	9
September	5.6		7	6	5	6
October	-1.5		-3	1	0	2
November	-6.9		-8	-5	-7	-1
December	-10.7		-11	-11	-13	-7
Average	-2.2	-10.8	-1.1	-1.7	-2.4	0.4

8th lowest temperature of Norway

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	19.1	21	26	23	25	20
February	18.1	12	31	12	23	18
March	18.7	16	18	19	18	28
April	12.4		9	22	17	15
May	13.2		13	28	9	11
June			0	0	0	0
July	8.9		8	18	7	0
August	9.4		11	11	7	5
September	11.5		12	17	19	9
October	12.8		14	20	15	9
November	11.4		15	16	8	7
December			0	0	0	0
Average	13.3	14.6	14.0	18.1	14.2	12.1

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	7.2	7	6	6	5	10
February	7.8	9	10	7	9	8
March	7.5	7	5	9	9	9
April	7.1		7	7	7	10
May	8.0		6	8	7	9
June			0	0	0	0
July	7.8		8	8	7	7
August	6.6		6	7	7	7
September	6.8		6	7	8	6
October	6.2		5	7	8	6
November	6.8		6	6	6	9
December			0	0	0	0
Average	7.1	7.5	6.4	7.2	7.5	7.9

55th highest wind speed of Norway

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	197°	223°	228°	166°	165°
February	162°	219°	166°	168°	190°
March	146°	167°	206°	272°	256°
April		169°	344°	305°	328°
May		306°	305°	083°	249°
June		360°	360°	360°	360°
July		324°	343°	331°	185°
August		271°	269°	343°	326°
September		331°	039°	216°	195°
October		320°	209°	179°	158°
November		163°	183°	144°	202°
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.