Seinajoki Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Seinajoki Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-6.5062500000000005	-10.2		-2.3499999999999996	-9
	-8.331249999999999	-11.2		-4.59375	-10
	-8.55	-12.9		-3.71875	-9.9
	-9.81875	-15.2		-5.65	-12.8
	-11.975000000000001	-15.4		-8.13125	-11
	-12.91875	-14.4		-6.906249999999999	-12.8
	-10.25	-11.6		-4.637499999999999	-8.5
	-7.849999999999999	-13.5		-3.781249999999999	-10.3
	-7.3875	-16.5		-3.712500000000001	-12.4
	-8.156250000000002	-15.3		-3.6562499999999996	-12.7
	-8.325	-12.9		-2.9124999999999996	-11.2
	-8.537500000000001	-13.1		-3.7562500000000005	-9.2
	-8.037500000000001	-14.2		-3.5500000000000003	-12.1
	-8.09375	-12.7		-3.525	-10.3
Jan.	-9.787499999999998	-8.3		-4.193749999999999	-7
	-8.30625	-5.2		-4.0687500000000005	1.3
	-9.474999999999998	-1.1		-4.275	2
	-8.39375	-1.4		-4.0562499999999995	1
	-8.431250000000002	-2.7		-4.175	-0.2
	-10.08125	-5		-6.0062500000000005	-1
	-11.36875	-9.4		-6.1625	-2.5
	-10.40625	-14		-5.5375	-4.5
	-9.425	-13.9		-4.74375	-10
	-7.874999999999999	-13.6		-2.5874999999999995	-10
	-7.024999999999999	-12.2		-2.4250000000000003	-7.3
	-8.337499999999999	-14.5		-2.6437500000000003	-8
	-8.5375	-14.8		-3.749999999999999	-8.1
	-7.312500000000002	-18.6		-3.0125000000000006	-11.8
	-6.2125	-17.7		-2.825	-11.1
	-6.937500000000001	-18.8		-3.2437500000000004	-12
	-8.14375	-19.6		-4.156249999999999	-12.7
	-8.481250000000001	-17.4		-4.818750000000001	-12
	-8.975	-19.1		-5.093750000000001	-11.3
	-9.7375	-18.9		-5.737499999999999	-10.4
	-10.50625	-18		-5.0375000000000005	-9.2
	-9.912499999999998	-17		-4.5375	-9
	-10.468750000000004	-18.8		-3.9125000000000005	-9.8
	-9.45625	-18.7		-3.4937500000000004	-10.1
	-8.75	-19.3		-3.6125	-8.8
	-8.18125	-16.9		-3.70625	-5.9
	-7.637500000000001	-18.8		-3.2874999999999996	-10.5
	-8.61875	-19		-3.21875	-9.8
	-8.387500000000001	-21.9		-2.3000000000000003	-11.9
	-7.468749999999999	-22		-2.3625	-11.2
	-7.675	-18.1		-2.1625	-9.5
Feb.	-8.075	-16.7		-2.837500000000001	-5.3
	-7.362500000000001	-12.2		-2.6125	-3.3
	-6.9875	-12.3		-2.70625	-6.7
	-9.1	-15.5		-3.48125	-7.1
	-8.65	-15.5		-3.7375000000000003	-8.6
	-9.23125	-19.3		-4.14375	-7.9
	-8.775	-5.9		-4.0249999999999995	-1.4
	-9.24375	-17		-3.5687500000000005	-4.8
	-7.350000000000001	-18.1		-2.84375	-4.8
	-6.8374999999999995	-16.3		-2.2375000000000007	-3.2
	-6.424999999999999	-19.2		-0.6812499999999998	-4
	-5.799999999999999	-3.9		-1.2562500000000003	1
	-5.9	-0.7		-0.4062500000000001	1.1
	-4.893749999999999	-5.4		0.11249999999999992	1.3
	-5.706250000000001	-7.6		0.35624999999999996	-0.4
	-4.5625	-11.6		0.7312499999999998	-1.4
	-5.637499999999999	-9.5		-0.7625000000000002	1.8
	-7.343750000000001	-5.3		-1.7750000000000004	2.7
	-7.975	-7.8		-2.15625	1.7
	-7.55625	-3.6		-0.6000000000000001	3.3
	-8.2625	-6.1		-1.56875	3.3
	-5.281249999999999	-1.1		0.03750000000000003	4.3
	-6.6625	-2.6		-0.3749999999999999	2.8
	-5.7749999999999995	-2.6		-0.09375000000000008	3.8
	-5.28125	0.8		0.7062500000000002	3.3
	-6.26875	2.4		0.08124999999999999	4.4
	-6.44375	3.1		0.6312500000000001	5.5
	-5.849999999999999	1.9		0.05624999999999997	4.7
Mar.	-5.85625	0.8		0.32499999999999996	4.9
	-6.693749999999999	0.1		0.5437500000000001	5.5
	-6.26875	-1		1.2500000000000002	3.2
	-5.525	0.7		0.9687499999999998	5.5
	-6.35	0.9		0.5062500000000001	6.5
	-6.0062500000000005	-0.9		1.3937499999999998	6.7
	-5.24375	0.2		1.40625	7
	-5.275	0.4		1.81875	6.6
	-4.39375	0.5		2.39375	4.4
	-4.575	-0.9		1.7999999999999998	6.5
	-5.8625	2.9		1.4437500000000005	5.3
	-5.9437500000000005	1.5		2	5.4
	-4.831249999999999	-1		2.81875	4.8
	-3.5625	-0.5		3.20625	6.5
	-3.4499999999999997	0.1		3.1125	6.7
	-4.01875	-0.7		2.675	6.8
	-4.1187499999999995	0		3.025	8.1
	-4.3875	-0.7		3	8.9
	-3.4812499999999997	0.5		3.3624999999999994	4.1
	-3.8562499999999997	-1		3.6000000000000005	6.3
	-3.7	-1.1		3.04375	7
	-3.7187499999999996	1.1		3.2125000000000004	4.1
	-2.75625	1.1		4	2.4
	-2.36875	1.7		4.375	5.9
	-2.2249999999999996	-1.6		4.575	6.1
	-2.6374999999999997	-2		4.7437499999999995	7.3
	-2.4187499999999997	-2.2		4.8062499999999995	9
	-2.66875	-0.8		4.987499999999999	10.6
	-0.9999999999999999	-0.2		7.087500000000001	11.2
	-0.8999999999999999	1.6		6.531249999999999	13.3
	-0.5125000000000002	3.4		6.125000000000001	14.4
Apr.	-1.1562500000000002	4.4		6.781250000000001	15.6
	-1.5875	3.5		7.612500000000001	15.2
	-0.34375	2.7		7.95625	12.7
	-0.06874999999999987	1.9		8.025	12.6
	-0.2750000000000001	0.7		8.337499999999999	11.2
	-0.018750000000000044	0.7		8.974999999999998	12.9
	0.7999999999999999	1.7		9.39375	14.8
	0.625	2.9		9.08125	10.8
	-0.1375	0		7.606250000000001	9.5
	0.11874999999999997	1.9		7.718750000000001	8.3
	0.03124999999999993	-2		9.299999999999999	2.8
	0.43750000000000006	-2		8.58125	4.7
	0.16249999999999992	-2.8		8.25	5.8
	0.44375000000000003	-0.8		8.975000000000001	5
	0.19374999999999995	-2.5		8.481250000000001	7.6
	0.7249999999999999	2.4		8.58125	15.1
	0.43124999999999974	5.2		9.03125	18.1
	0.65625	6.9		8.981250000000001	17.6
	0.6687499999999998	3.1		8.45	11.2
	0.38125000000000003	0.8		8.725	12.9
	0.45625	1.6		10.41875	8.7
	0.8812500000000001	0.8		11.043750000000001	8.8
	1.6875	-1.2		11	10.9
	1.075	0.4		11.1625	13.4
	2.256250000000001	3.7		12.15	15.3
	3.46875	5.1		12.68125	15.5
	4.3	5.5		14.349999999999998	12.9
	4.537499999999999	5.1		13.868749999999999	11.1
	4.7124999999999995	6.5		14.331249999999999	13.6
	4.39375	6.1		14.95	10.9
May	4.59375	5.7		14.887499999999998	16.9
	6.1125	6.8		15.75	15.8
	6.2250000000000005	7.1		16.08125	16
	6.7749999999999995	5.1		16.46875	19.6
	7.3875	9.3		17.175	14.5
	7.393749999999997	9.1		17.337500000000002	17.8
	6.65	7.7		16.681250000000002	21
	6.281250000000001	9.2		17.68125	19.6
	6.9312499999999995	8.8		15.875000000000002	21.6
	6.462500000000001	10.4		17.431250000000002	15.6
	7.51875	7.3		16.693749999999998	15.4
	7.0249999999999995	5		15.943749999999998	14
	6.931250000000001	5.6		14.993750000000002	13
	7.60625	4.9		15.756250000000001	12.8
	7.0874999999999995	5.3		16.081249999999997	16.1
	6.91875	5.5		16.9875	21.4
	8.206249999999999	10.7		16.56875	22.3
	7.812499999999999	10		17.21875	21.5
	8.14375	11.3		18.39375	18.4
	8.8625	9		17.86875	21.7
	8.712500000000002	12.8		18.1125	23.9
	8.75	14.3		17.562500000000004	21.5
	8.837499999999999	13.9		18.9125	18.3
	9.2375	10.8		19.025	20
	9.218749999999998	10.2		18.7875	22.6
	8.7875	12.9		17.918750000000003	23.9
	8.500000000000002	12.5		18.718750000000004	17.4
	8.756250000000001	9.6		18.474999999999998	20
	9	9.5		17.375	12.7
	8.14375	7.4		17.224999999999998	21
	8.456249999999999	9.5		18.9	16.3
Jun.	9.306249999999999	10.7		18.75625	20.3
	9.231250000000001	9.9		19.074999999999996	17.7
	9.44375	10.4		19.76875	16.8
	11.025	6		19.5125	19.1
	10.643749999999999	6.6		18.425	21.6
	10.20625	10.3		18.31875	25.5
	9.956249999999999	11		18.80625	21.9
	10.068749999999998	9.3		18.48125	17
	10.181250000000002	8.1		18.525000000000002	16
	10.149999999999999	7.1		19.581249999999997	18.4
	11.24375	7		20.225	17.9
	11.381250000000001	10		21.30625	19.9
	11.593749999999998	11.1		21.275	21.9
	11.487499999999999	10.8		21.00625	25.3
	11.493749999999999	10.9		21.4125	27.5
	12.150000000000002	13.4		20.83125	21.6
	11.78125	11.5		20.718749999999996	21.9
	12.056249999999999	11.6		20.31875	18.3
	12.09375	11.6		20.287499999999998	17.9
	11.462499999999999	12.1		19.90625	18.8
	10.787499999999998	12.1		19.68125	19
	11.524999999999997	9.8		20.162499999999994	15.8
	11.618749999999999	9.4		20.062499999999996	14
	12.44375	9.1		20.76875	17.2
	12.44375	7.4		21.356250000000003	22.4
	12.075000000000003	10.9		21.1375	25.3
	12.1125	13.7		21.6375	27.4
	12.587500000000002	14.5		22.125	23.9
	12.975000000000003	11.6		22.412499999999998	22.1
	12.393749999999999	9.7		21.025000000000002	26
Jul.	11.893749999999999	13.2		21.893750000000004	24.6
	12.34375	12.4		21.143750000000004	26.5
	12.550000000000002	14.7		21.518749999999997	27.1
	12.543750000000001	11.6		21.54375	20.7
	12.806249999999999	9.5		21.325	17.9
	12.493750000000002	6.7		21.95	19.6
	12.893749999999997	7.1		22.293750000000003	19.6
	13.624999999999998	7.5		22.018750000000004	17.5
	13.23125	8.5		21.93125	15.9
	13.225000000000001	8.6		22.443749999999998	20.4
	13.356250000000001	11.3		23.525	19.6
	14.487499999999999	12.7		24.162499999999998	16.7
	14.5375	11.5		24.831249999999997	17.9
	14.375	11.3		23.562500000000004	15.1
	14.29375	9.4		22.818749999999998	20.7
	14.024999999999999	10.8		21.937500000000004	25.3
	13.86875	14.6		22.331249999999997	23.1
	12.95625	10.8		21.40625	22.1
	12.593749999999998	9.5		20.218749999999996	21.1
	12.225000000000001	10.1		20.906250000000004	20.5
	13.3125	8.4		21.68125	19
	12.743749999999999	9.4		21.2875	12.6
	12.281250000000002	11.8		20.818749999999994	20.2
	12.700000000000001	12.1		22.06875	16.8
	13.175	9.7		21.599999999999994	17
	12.793749999999998	9.9		21.137500000000003	20
	12.262500000000001	12.2		20.606250000000003	18.9
	11.85	10		19.975	14.9
	11.025	8.5		19.674999999999994	16.4
	11.03125	7.4		19.3625	18.8
	11.487499999999999	11.4		20.65	21.7
Aug.	11.83125	11.3		20.299999999999997	24
	11.656249999999998		13.8	20.4		21.8
	12.206250000000002		12.3	20.08125		17.5
	11.649999999999999		9.3	19.70625		17.9
	11.0375		7.6	19.918750000000003		18.4
	11.19375		9.1	20		19.1
	10.975000000000001		11.9	19.41875		20.6
	10.46875		8.9	18.8125		20.1
	10.4625		10.9	17.7875		16.8
	9.568749999999998		9.4	17.4		17
	9.66875		9.5	18.1375		18.8
	9.88125		10.1	17.874999999999996		17.5
	10.112499999999999		10	18.0625		17.9
	9.78125		9.8	18.337500000000002		18.3
	9.825		9.9	18.256249999999998		18.5
	9.23125		9.8	17.9625		18
	9.6875		9.9	17.2625		16.9
	9.51875		9.5	16.831249999999997		16.7
	8.99375		8.9	16.468750000000004		16.8
	8.5125		8.9	16.431250000000002		16.6
	8.8875		9.4	16.7875		17
	8.968750000000004		9.1	17.749999999999996		17.6
	9.09375		8.8	17.6125		17.4
	8.78125		8.9	17.187500000000004		17
	9.5		9.5	17.268750000000004		17
	9.13125		9.4	17.30625		17.8
	9.75		10	17.85625		17.5
	9.94375		10	17.143749999999997		17.3
	10.499999999999998		9.9	16.2375		15.7
	9.075000000000001		8.7	15.656250000000002		15.6
	8.3375		8.1	15.262500000000005		15
Sep.	7.587499999999999		7.4	13.381250000000003		13.9
	7.63125			13.612499999999999
	6.9			13.568749999999998
	6.8374999999999995			13.424999999999999
	7.018749999999999			13.825
	7.4125			13.4875
	6.78125			13.343750000000002
	6.2			12.768749999999999
	5.53125			11.000000000000002
	5.462500000000001			11.10625
	5.325			12.075000000000001
	6.1625			12.49375
	5.9125			12.799999999999997
	6.199999999999999			12.90625
	5.3125			11.34375
	5.075000000000001			11.25
	4.706250000000001			10.44375
	4.862499999999999			11.0375
	4.5562499999999995			10.356250000000001
	4.8625			10.74375
	4.199999999999999			9.94375
	4.15625			9.631249999999998
	3.968749999999999			9.043750000000001
	3.7437499999999995			8.881250000000001
	3.7687500000000003			9.018749999999999
	3.9499999999999997			8.36875
	3.85			8.96875
	3.1187499999999995			8.0625
	2.33125			7.437500000000001
	2.625			7.3375
Oct.	2.30625			7.4125
	1.9812500000000002			6.79375
	1.7125			6.531250000000002
	1.91875			6.574999999999998
	2.03125			6.331250000000002
	1.1937499999999999			5.9625
	0.65625			5.10625
	0.8312499999999998			5.031249999999999
	0.81875			5.137499999999999
	0.8			5.162500000000001
	1.40625			5.6937500000000005
	1.1			4.96875
	0.15625000000000003			4.6625000000000005
	1.5625000000000002			5.5375000000000005
	1.1250000000000002			5.2437499999999995
	0.2187500000000001			4.3375
	0.9687499999999998			4.937499999999999
	0.7437499999999998			4.512499999999999
	1.24375			5.41875
	1.9499999999999997			5.675
	1.8937499999999998			5.375000000000001
	0.8500000000000001			4.012499999999999
	0.17499999999999993			3.73125
	0.83125			3.3625000000000003
	0.025000000000000012			3.4
	-0.5562499999999998			2.8375000000000004
	0.15625			3.56875
	0.14999999999999997			3.1000000000000005
	-0.2499999999999999			3.3374999999999995
	-0.50625			2.66875
	-1.15625			2.1125
Nov.	-1.01875			2.3812499999999996
	-0.68125			2.6249999999999996
	-0.58125			2.51875
	-1.66875			1.8624999999999998
	-1.35625			1.5
	-2.71875			0.6
	-3.45625			0.09374999999999986
	-2.8875000000000006			0.1875
	-3.0375000000000005			0.9375
	-2.59375			0.9874999999999998
	-3.2750000000000004			0.2687499999999999
	-3.30625			0.2749999999999999
	-3.0437499999999997			0.31249999999999967
	-3.3187499999999996			0.2312499999999999
	-4.59375			-0.9625
	-4.8125			-0.9500000000000001
	-4.08125			-1.11875
	-4.475			-1.0875
	-4.59375			-0.5312500000000001
	-4.7625			-1.70625
	-5.706249999999999			-1.725
	-5.568749999999999			-1.6812500000000001
	-5.6499999999999995			-1.6999999999999995
	-4.53125			-1.3999999999999997
	-4.70625			-1.5937500000000002
	-5.45625			-1.3812499999999999
	-4.393749999999999			-1.29375
	-5.331249999999999			-2.19375
	-5.674999999999999			-2.3062499999999995
	-5.681249999999999			-2.6187499999999995
Dec.	-5.3374999999999995			-2.11875
	-4.5562499999999995			-0.7249999999999999
	-4.4875			-0.031249999999999944
	-4.1375			-0.7499999999999999
	-5.03125			-1.0124999999999997
	-4.76875			-0.7437499999999999
	-5.48125			-1.63125
	-6.1937500000000005			-2.8812499999999996
	-7.118750000000001			-2.3750000000000004
	-6.562500000000001			-2.44375
	-6.13125			-1.8249999999999997
	-5.9375			-1.91875
	-6.51875			-2.28125
	-6.9875			-2.1562500000000004
	-5.99375			-1.5374999999999994
	-4.31875			-0.6875
	-4.1466666666666665			-0.4866666666666667

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

28°C

Highest Temp

29 Jun. 26

-22°C

Lowest Temp

13 Feb. 26

Seasonal Breakdown

Hottest MonthJuly20.59°C

Coldest MonthFebruary-15.78°C

Wettest MonthJuly3.99mm

Windiest MonthAugust17.4km/h

Seinajoki Climate Change InsightsSee how climate patterns are evolving over time. Temperature shifts, rainfall trends, and extreme events—all in one place.

Weather City Ranking GloballyExplore Real time of the world’s hottest & Coldest Cities based on current temperature data.

Frequently Asked Questions

1. What is the hottest month in Seinajoki historically?

July is historically Seinajoki's hottest month, with average maximum temperatures around 22°C. During peak heatwave events, the highest recorded temperatures have reached 34°C on 2010-07-29.

2. What is the coldest month in Seinajoki historically?

January is Seinajoki's coldest month, with average minimum temperatures around -9°C. The all-time record low of -31°C was recorded on 2024-01-05.

3. What is the average annual rainfall in Seinajoki over the past 17 years?

Seinajoki's average annual rainfall is approximately 665.7mm, based on records spanning 17 years.

4. How many rainy days does Seinajoki experience on average per year?

Seinajoki historically records approximately 209.2 rainy days per year. August has the highest number of rain days at an average of 21.4 days.

5. What is the all-time highest temperature ever recorded in Seinajoki?

The all-time highest temperature recorded in Seinajoki is 34°C on 2010-07-29.

6. What is the all-time lowest temperature ever recorded in Seinajoki?

The all-time lowest temperature recorded in Seinajoki is -31°C on 2024-01-05.

7. What is the windiest time of year in Seinajoki historically?

Seinajoki experiences its strongest winds during March. The historic gust record of 38.5 kph was recorded on 2015-10-02.

8. What is the highest and lowest humidity in Seinajoki during a year?

Usually, Seinajoki's humidity peaks in February at around 93.1% and drops to its lowest in May at approximately 66.2%.

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Analyse hottest, coldest, windiest & wettest days