Climate Malmen Air Base 2020-2024

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

Calculated from historical METAR data of Malmen Air Base (ESCF) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	45.3	45	38	63	27	48
February	55.3	48	55	64	78	56
March	66.2	51	57	92	74	72
April	86.0		84	86	93	94
May	88.6		95	89	81	88
June	90.6		94	93	83	94
July	89.2		88	87	90	87
August	83.2		64	86	81	95
September	78.2		85	88	78	77
October	67.2		53	66	78	59
November	42.2		35	37	60	45
December	40.1		28	32	57	35
Average	72.1	48.4	71.4	80.1	77.3	77.1

11th best VFR conditions of Sweden

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	74.0	76	67	88	55	87
February	81.6	73	85	89	91	89
March	86.0	75	78	95	90	90
April	95.0		93	95	96	99
May	96.2		99	96	93	96
June	97.3		97	99	95	98
July	97.3		98	96	97	98
August	92.7		84	93	91	98
September	91.3		96	95	97	92
October	88.8		81	89	96	81
November	70.6		63	64	86	84
December	67.7		60	56	75	64
Average	87.9	74.4	87.2	91.5	90.8	92.1

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	1.7	-1	3	3	-1	6
February	2.4	3	3	3	0	5
March	5.6	6	4	8	7	7
April	10.5		10	10	9	12
May	16.3		17	16	15	14
June	21.7		23	22	23	22
July	22.2		21	22	24	19
August	21.3		19	24	20	23
September	16.5		20	15	16	17
October	11.1		10	13	12	11
November	5.6		3	6	6	9
December	1.9		0	-2	0	4
Average	10.4	2.5	11.0	12.1	10.9	12.4

13th highest temperature of Sweden

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	-4.9	-7	-1	-2	-5	1
February	-4.8	-2	-3	-2	-9	0
March	-3.6	-1	-4	-4	-1	-2
April	0.0		-1	-1	-1	1
May	5.1		5	5	5	3
June	10.6		9	11	12	11
July	11.7		11	11	14	11
August	11.5		12	12	10	12
September	8.5		11	7	8	9
October	4.4		3	7	5	5
November	1.0		-1	3	1	3
December	-3.8		-4	-6	-5	2
Average	2.7	-4.9	3.2	3.7	2.8	4.5

32nd lowest temperature of Sweden

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	17.9	27	19	9	34	9
February	16.0	19	13	17	4	17
March	13.5	8	26	1	11	11
April	6.3		4	11	6	3
May	8.3		4	10	19	9
June	5.4		4	4	2	5
July	6.6		11	7	5	13
August	9.8		17	7	12	6
September	9.5		4	6	13	7
October	11.9		23	12	10	12
November	14.8		27	18	12	12
December	17.3		32	17	9	20
Average	10.9	16.3	13.0	8.4	10.3	9.2

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	8.7	10	9	10	7	11
February	9.1	8	9	10	7	12
March	9.1	8	9	7	10	10
April	8.8		8	8	10	10
May	7.4		7	8	7	8
June	7.6		7	8	7	7
July	7.5		9	8	7	8
August	7.2		7	7	7	6
September	8.2		8	7	8	9
October	8.9		10	9	9	8
November	7.2		7	7	7	9
December	7.3		7	6	6	7
Average	8.1	8.4	7.9	7.8	7.7	8.5

13th highest wind speed of Sweden

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	236°	217°	263°	326°	233°
February	220°	265°	239°	268°	229°
March	111°	258°	262°	258°	240°
April		033°	310°	296°	279°
May		235°	258°	211°	271°
June		217°	249°	260°	090°
July		229°	261°	218°	236°
August		219°	249°	281°	236°
September		221°	029°	261°	244°
October		292°	224°	223°	187°
November		360°	122°	242°	221°
December		277°	308°	267°	141°

Prevailing wind direction

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