Climate Trondheim Airport, Værnes 2020-2024

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

Calculated from historical METAR data of Trondheim Airport, Værnes (ENVA) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	76.7	76	84	62	89	79
February	78.4	84	63	78	92	72
March	80.4	93	74	86	66	86
April	81.5		81	77	79	65
May	84.6		80	85	90	84
June	81.9		80	80	88	92
July	82.9		81	75	86	84
August	85.5		76	84	81	86
September	86.5		87	83	79	91
October	79.8		82	77	83	73
November	86.8		94	99	79	78
December	78.3		79	90	73	92
Average	82.9	86.3	79.8	80.8	82.5	82.4

10th 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	95.0	96	99	94	95	94
February	95.1	97	94	93	97	95
March	95.6	99	92	98	93	96
April	97.9		98	97	97	98
May	98.1		100	100	98	96
June	98.3		99	97	99	99
July	97.9		99	97	99	99
August	97.7		97	98	96	97
September	97.6		98	99	93	99
October	98.7		99	99	98	98
November	98.4		98	100	99	99
December	95.2		97	97	90	99
Average	97.4	97.7	97.7	97.6	96.5	97.4

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	1.9	0	3	3	-3	6
February	2.0	3	3	3	-1	4
March	4.7	8	2	8	6	5
April	8.7		9	8	7	8
May	13.5		13	14	14	11
June	18.5		20	19	19	23
July	19.6		20	18	22	17
August	18.1		19	19	17	19
September	15.1		17	15	15	15
October	9.5		7	11	11	10
November	4.0		-1	7	4	8
December	1.3		-2	-4	1	6
Average	9.0	3.4	9.0	10.3	9.3	10.9

11th 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	-4.4	-6	-2	-2	-9	1
February	-4.1	-3	-2	-3	-8	-2
March	-3.5	0	-6	0	-1	-1
April	0.7		1	-1	0	1
May	5.1		5	5	5	4
June	9.8		10	10	10	11
July	11.3		12	11	13	10
August	10.3		12	11	9	10
September	8.1		9	7	8	8
October	3.6		1	5	6	5
November	-2.8		-6	1	-1	3
December	-4.1		-8	-10	-5	1
Average	2.1	-4.9	2.0	3.2	2.3	4.2

29th 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	32.0	18	28	50	19	38
February	26.8	24	38	42	12	33
March	28.7	10	39	22	35	31
April	27.1		21	32	44	40
May	18.7		21	23	6	30
June	16.6		11	18	15	8
July	15.8		16	25	14	23
August	16.4		20	14	20	14
September	22.0		22	19	25	20
October	26.8		26	31	34	20
November	16.6		11	1	31	28
December	29.4		19	26	32	13
Average	21.1	16.3	21.5	23.7	22.2	23.8

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	9.6	11	9	11	7	10
February	8.8	10	10	9	8	9
March	9.3	7	9	9	11	10
April	8.9		8	9	11	11
May	9.0		10	10	8	10
June	8.6		9	7	8	9
July	8.5		7	9	9	9
August	7.7		7	8	9	8
September	8.5		7	7	8	9
October	8.5		8	8	9	8
November	7.8		7	9	8	10
December	8.6		8	8	9	9
Average	8.7	8.8	8.2	8.6	8.8	9.2

11th 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	187°	156°	267°	112°	223°
February	146°	251°	165°	125°	200°
March	122°	243°	258°	251°	212°
April		152°	266°	274°	262°
May		251°	257°	168°	250°
June		258°	251°	265°	232°
July		239°	236°	263°	265°
August		233°	223°	266°	247°
September		226°	192°	239°	240°
October		191°	196°	213°	139°
November		100°	126°	199°	211°
December		113°	132°	153°	123°

Prevailing wind direction

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