Climate Savonlinna Airport 2020-2024

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

Calculated from historical METAR data of Savonlinna Airport (EFSA) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	27.3	40	21	30	21	32
February	38.5	37	43	30	39	36
March	58.1	40	56	78	62	64
April	78.9		93	78	72	78
May	83.7		91	90	73	89
June	88.6		92	84	93	86
July	82.4		78	87	94	83
August	79.6		78	86	69	85
September	61.6		57	68	62	67
October	38.3		41	34	34	35
November	17.2		13	4	16	36
December	17.9		24	28	32	14
Average	62.5	38.6	67.2	68.8	65.0	68.2

13th best VFR conditions of Finland

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	48.1	56	45	51	37	57
February	62.2	54	66	55	65	73
March	76.3	63	76	92	78	75
April	89.6		94	90	87	92
May	92.5		97	96	87	93
June	95.3		97	94	97	94
July	93.0		91	94	98	93
August	91.8		92	94	87	93
September	82.8		84	88	88	86
October	69.9		78	63	74	63
November	44.6		44	24	51	71
December	41.5		51	45	54	35
Average	78.6	58.7	83.1	82.4	81.9	83.2

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	-9	-2	-4	-6	1
February	-4.4	-5	-2	-2	-8	0
March	1.0	2	-1	3	0	3
April	7.0		9	6	7	5
May	14.1		15	13	14	13
June	20.4		21	20	24	22
July	21.3		20	22	25	20
August	19.9		21	22	18	19
September	13.6		17	12	11	15
October	7.0		5	8	9	9
November	1.7		-1	2	2	4
December	-3.3		-6	-4	-7	0
Average	6.6	-4.1	8.0	8.5	7.5	9.3

7th highest temperature of Finland

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	-10.6	-17	-6	-10	-10	-3
February	-11.5	-11	-10	-8	-16	-5
March	-8.7	-4	-10	-8	-8	-4
April	-3.1		-3	-4	-2	-3
May	2.9		3	2	4	1
June	8.8		6	7	12	10
July	10.2		8	6	13	10
August	10.6		12	9	11	10
September	6.3		9	5	4	7
October	2.0		-1	3	5	4
November	-2.2		-5	-2	-2	0
December	-7.3		-10	-8	-13	-4
Average	-2.9	-11.3	-1.4	-1.6	-1.8	2.0

14th lowest temperature of Finland

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	44.0	42	36	45	64	29
February	39.3	31	34	45	57	34
March	24.5	19	34	19	23	21
April	12.3		5	14	15	15
May	10.3		9	8	14	11
June	8.8		9	12	3	7
July	11.2		18	9	2	15
August	8.4		8	6	12	4
September	13.6		13	14	14	12
October	20.5		25	12	18	19
November	30.1		59	22	35	17
December	45.6		60	45	57	35
Average	19.0	28.3	19.8	15.8	19.0	15.3

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	6.8	7	8	9	6	9
February	7.1	8	8	8	7	10
March	7.3	7	8	7	8	9
April	6.5		7	7	8	9
May	6.7		7	8	8	7
June	6.2		6	7	6	6
July	5.7		6	6	6	7
August	6.1		7	7	8	6
September	6.5		8	7	7	8
October	6.9		8	8	9	7
November	6.7		7	7	8	9
December	6.3		5	6	7	8
Average	6.5	6.9	6.9	7.1	7.3	7.6

7th highest wind speed of Finland

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°	201°	276°	090°	235°
February	196°	253°	200°	360°	230°
March	210°	254°	269°	248°	236°
April		064°	213°	212°	303°
May		245°	260°	148°	326°
June		269°	225°	219°	112°
July		238°	234°	260°	220°
August		143°	182°	172°	263°
September		212°	012°	340°	223°
October		316°	237°	203°	166°
November		067°	116°	271°	215°
December		062°	145°	268°	156°

Prevailing wind direction

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