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

Lahti Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-6.09375	-13.4		-2.1375	-5.1
	-7.68125	-9.6		-4.30625	-6.4
	-8.35625	-9.5		-4.2625	-7
	-8.712500000000002	-12.1		-4.225	-10.2
	-9.9875	-18		-5.8999999999999995	-13
	-12.09375	-15.6		-6.543749999999998	-11.3
	-10.075000000000001	-12.4		-4.58125	-7.4
	-7.831250000000001	-16.4		-3.3	-12.2
	-6.7437499999999995	-16.7		-2.693749999999999	-13.1
	-7.375	-14		-3.3875	-8.4
	-7.8	-8.1		-2.5812500000000007	-7
	-8.20625	-14.6		-4.125	-8
	-8.21875	-16.3		-3.281250000000001	-10.8
	-7.3687499999999995	-16.5		-3.7750000000000004	-7.1
Jan.	-9.637499999999998	-10.5		-4.56875	-7
	-9.5	-6.4		-5.18125	-2.5
	-9.125	-6.4		-4.000000000000001	-0.3
	-8.149999999999999	-1.6		-4.675	0.5
	-8.575000000000001	-5.3		-3.6312499999999996	0.2
	-9.93125	-5.9		-5.125	-0.7
	-11.056250000000002	-8.8		-6.45	-2.1
	-10.412499999999998	-15.7		-5.86875	-8
	-8.731250000000001	-18.6		-3.7625	-11.5
	-7.456250000000001	-19		-2.7375	-10.4
	-6.99375	-17.7		-2.2249999999999996	-9
	-7.7125	-17.3		-3.2125	-9
	-8.212500000000002	-18.1		-3.8312500000000007	-8.7
	-7.3812500000000005	-18.2		-2.55	-10.6
	-5.3500000000000005	-20.8		-2.3250000000000006	-10.4
	-6.124999999999999	-21		-2.2437499999999995	-10.3
	-6.20625	-22.6		-2.7187499999999996	-13.4
	-7.2625	-22.7		-3.5124999999999997	-12.8
	-6.949999999999999	-22.1		-3.2937500000000006	-12.4
	-7.975	-19.2		-3.525	-10
	-8.387500000000001	-18.4		-4.625	-8.7
	-9.38125	-20.2		-3.51875	-9.9
	-9.05	-21.4		-3.3	-10.2
	-8.612499999999999	-20.3		-2.90625	-10.1
	-7.675	-19.6		-3.4312500000000004	-7.5
	-8.412500000000001	-14.2		-3.56875	-5.4
	-8.06875	-16.6		-3.8624999999999994	-8.6
	-8.28125	-13.6		-3.7375000000000003	-5.1
	-7.437499999999999	-16.6		-3.0812500000000003	-8.2
	-6.93125	-20		-2.525000000000001	-10.9
	-6.725	-21		-2.9437500000000005	-11.6
Feb.	-7.725	-21.7		-2.6562499999999996	-6.8
	-7.2437499999999995	-20.1		-3.04375	-5.6
	-7.6812499999999995	-20.3		-2.9624999999999995	-6.8
	-8.924999999999997	-19.4		-3.59375	-8.3
	-7.937499999999999	-13.7		-3.412499999999999	-8.5
	-8.756250000000001	-15		-3.7874999999999996	-7
	-9.181249999999999	-13.7		-4.137499999999999	-1.3
	-9.1	-12.7		-3.4437499999999996	-4.1
	-7.856249999999998	-18		-2.4249999999999994	-3.5
	-6.881250000000002	-14.3		-2.5500000000000003	-3.7
	-5.875	-18		-0.9125000000000004	-3.5
	-6.15625	-6.9		-1.2375000000000003	0.7
	-6.05	0.6		-1.14375	1.6
	-5.218749999999999	-5.8		-0.33125	1.9
	-5.9625	-2.2		0.031250000000000056	0.4
	-4.800000000000001	-8.2		0.21874999999999997	0.4
	-5.0062500000000005	-8.2		-0.5187499999999998	1.3
	-6.48125	-0.3		-1.4874999999999998	1.6
	-7.08125	-6		-1.53125	0.7
	-7.20625	-4.2		-0.7874999999999998	3.2
	-7.706249999999999	-1.8		-1.6249999999999998	3.6
	-5.75	-1.5		-0.26249999999999996	4.7
	-6.206250000000001	-1.4		-0.8937499999999999	4.3
	-6.062499999999999	-3.4		0.04999999999999993	6.8
	-5.093750000000001	-0.3		0.2749999999999999	3.7
	-5.393750000000001	0.9		0.7249999999999999	4.1
	-5.28125	0.9		1.5874999999999997	6.1
	-5.325	4.6		1.0125	6.5
Mar.	-5.6375	3.3		0.1812500000000001	7
	-6.325	1.6		0.5562500000000001	5.7
	-6.275	0		0.7499999999999999	7.5
	-5.54375	-0.3		0.9812500000000001	7.1
	-4.33125	1.7		1.01875	8
	-4.862500000000001	-0.9		1.4	7.5
	-4.5687500000000005	0		1.4874999999999998	9.3
	-4.625	0.5		1.625	8.7
	-3.98125	0.9		2.31875	7.8
	-4.05625	-0.8		2.725	6.8
	-3.58125	3		2.63125	8.1
	-4.5562499999999995	2.1		2.1750000000000003	6.8
	-4.225	-0.3		3.15	8.8
	-2.4625	-0.6		3.8125	7.6
	-3.0500000000000003	-0.9		3.6375	7.3
	-3.31875	-1.2		2.81875	8
	-3.4687499999999996	1.5		3.45625	5.2
	-3.7687500000000003	-0.3		3.2937499999999997	9.6
	-2.3062499999999995	1		4.4125000000000005	9.9
	-2.1125	3.3		4.325	6.9
	-2.79375	1.6		3.8437499999999996	4.7
	-2.75	-0.1		3.95625	5.1
	-2.39375	1.1		3.96875	2.3
	-1.6562500000000002	1.4		4.825	6.6
	-1.6749999999999996	-1		5.4	4.8
	-1.3375	-2.9		5.625000000000001	6.2
	-1.775	-2.5		5.6312500000000005	8.9
	-1.4124999999999996	-1.6		6.09375	10.8
	-0.5874999999999999	-0.4		7.806250000000001	10.8
	-0.23124999999999996	0.9		6.925000000000001	12.4
	0.012499999999999956	2.9		7.062499999999999	13.8
Apr.	-0.6875	4.9		7.293750000000001	12.4
	0.01874999999999999	3.9		7.837499999999999	9.7
	0.275	4.6		8.2	12.6
	0.8625	2.4		8.23125	10.9
	0.8375	-1.7		8.9125	9.7
	0.25	-0.4		8.8875	11.7
	0.7812500000000001	2		9.149999999999999	13.1
	1.2	3.7		9.812499999999998	12.4
	1.075	-1.4		9.0625	7.7
	1.0125000000000002	1.4		9.4125	8.4
	1.00625	-0.6		10.293749999999998	8.7
	1.6062500000000002	-0.8		9.59375	5.8
	1.7875	-1		9.731250000000001	6.9
	1.0499999999999998	-0.6		10.425	5.8
	1.63125	-1.6		9.29375	8.5
	1.48125	0.3		9.843750000000002	14.8
	1.7500000000000002	4.5		9.999999999999998	19.5
	1.1187499999999997	6.1		9.6875	21.6
	1.49375	6.7		10.275	14.2
	1.45	6.4		9.493749999999999	13.8
	1.8312499999999998	3.5		10.98125	10.6
	2.175	-0.1		12.13125	11
	2.8937500000000003	0.2		11.937500000000002	13.7
	2.7687500000000003	1.4		11.468749999999998	13.3
	2.9937500000000004	2.7		12.75	13.8
	4.25	2.6		13.787500000000001	14.8
	5.75	5.6		15.38125	15.8
	5.45625	7.3		15.118749999999999	15.5
	5.2562500000000005	9.9		15.293750000000003	19.9
	5.956249999999999	6.1		15.450000000000001	13.4
May	6.331250000000001	4.7		15.575000000000001	17.9
	6.65625	7.7		16.4125	14.4
	6.825	6.7		16.64375	16.2
	7.6812499999999995	4.6		16.48125	19.1
	7.95	10.7		18.18125	22.3
	8.10625	10.9		18.60625	17.8
	8.237499999999999	9.9		18.262500000000003	21.4
	8.5	10.7		18.9625	17.3
	8.39375	8.8		17.76875	22.7
	7.974999999999999	11.6		17.7375	17.7
	8.518749999999999	10		18.018750000000008	16.5
	8.34375	6.9		17.58125	17
	8.256250000000001	6.1		16.25	12.7
	7.86875	5.8		17.081249999999997	12.5
	7.7875	7.4		16.999999999999996	16
	7.83125	6		17.2625	20.1
	8.38125	10.8		17.26875	15.3
	8.456249999999999	9.9		19	19.8
	9.156249999999998	8.7		18.20625	19
	9.681249999999999	8.9		18.812499999999996	23.7
	9.431249999999999	10.4		19.4875	24.7
	9.73125	12.2		19.106250000000003	22.6
	9.268749999999999	12.4		19.4625	17.2
	9.86875	10.5		19.387500000000003	21.5
	9.71875	8.6		19.337500000000002	23.9
	9.443750000000001	14.1		18.675	20.5
	9.44375	10.1		19.012500000000003	20.1
	10.087499999999999	8.3		19.412500000000005	20.4
	9.856250000000001	10.6		18.1875	17
	9.36875	7.7		18.08125	17.7
	9.64375	9.4		18.356250000000003	16.6
Jun.	10.024999999999999	8.4		20.025000000000002	19.1
	9.800000000000002	8.7		20.2625	21.1
	10.649999999999999	11.1		19.925	13
	10.88125	10.2		19.59375	21.4
	11.643749999999999	10.9		20.10625	22.6
	11.14375	11		19.28125	25.6
	10.912499999999998	16		20.08125	26.7
	10.61875	11.6		19.606250000000003	21.9
	10.5375	8.4		20.31875	19.2
	11.218749999999998	8.8		20.9625	17.8
	12.068750000000001	8		20.343750000000004	19
	12.343749999999998	9.2		21.962500000000002	22.9
	12.362499999999999	12.2		21.91875	24.6
	12.6375	12.5		23.03125	25.9
	12.3875	14.8		21.74375	27.7
	12.806249999999999	14.9		21.262499999999996	25.9
	12.86875	13.1		21.4	25.1
	12.875	13		22.24375	17.9
	12.731250000000001	9.9		22.1	16.1
	12.25	10.3		21.043750000000003	18.4
	11.731250000000005	11.6		20.237500000000004	16.3
	12.193750000000003	8.3		20.10625	15.5
	12.55	7.7		21.3625	14.7
	13.262500000000001	7.5		20.25625	19.8
	12.89375	11.7		21.243750000000002	17
	12.187500000000002	10.7		20.924999999999997	22.7
	12.637500000000001	13.1		21.731249999999996	28.4
	13.068750000000003	16.9		22.393749999999997	29.8
	13.86875	15.4		23.374999999999996	22.3
	13.612499999999999	15.9		22.90625	23.3
Jul.	13.274999999999999	13.7		22.456249999999997	24.7
	13.162500000000001	13.1		22.181250000000002	23.5
	13.443750000000001	11.9		22.5375	25
	13.30625	14.3		21.99375	23.2
	12.918750000000001	10.8		21.0625	18
	12.993749999999999	8.3		22.19375	18.5
	13.375	9.3		23.21875	16
	13.899999999999999	8.9		23.11875	15.7
	14.15625	9.9		22.99375	19.5
	13.562500000000002	9.9		21.71875	21.5
	14.124999999999998	9.2		23.787499999999994	19.7
	15.493749999999999	14.2		25.0875	17.4
	15.33125	14.1		25.462500000000002	19.4
	15.0875	11.1		24.59375	17.2
	14.75	8.9		23.306250000000002	22.5
	14.706249999999999	11.1		22.58125	25.3
	14.0125	14.4		22.612499999999997	26.2
	13.243749999999999	13.5		20.95	23.7
	13.156250000000002	11.8		21.29375	22.3
	12.987499999999999	10.2		21.968749999999996	21.4
	13.4875	9.4		22.325	21.3
	13.762500000000001	9.7		22.025000000000002	21.6
	13	13.4		21.887500000000003	24.8
	13.43125	12.6		22.9125	21.3
	13.893750000000002	8.9		22.68125	20.4
	13.543750000000001	9.2		22.35625	23
	13.20625	13.6		21.987499999999997	23.6
	12.71875	9.8		20.90625	17.9
	12.0875	8.7		20.562500000000004	17.3
	11.60625	8.1		20.743749999999995	19.5
	12.3	12.7		20.85625	23.4
Aug.	12.625	13.5		21.2	26.1
	12.549999999999999	14.7		21.406249999999996	25.8
	13.03125		11.5	21.15625		20.3
	13.30625		11.9	21.08125		20.1
	12.293750000000003		9.5	20.724999999999998		19.5
	11.868750000000004		9	20.143749999999997		20.3
	11.34375		13.4	19.762500000000003		21
	11.3		11.8	19.68125		20.8
	11.6625		10	18.8625		19.6
	11.55		8.7	18.88125		17.8
	11.118749999999999		10.7	18.74375		19
	10.91875		11.1	18.9875		18.8
	11.156250000000004		11.3	19.124999999999996		18.9
	11.068749999999998		10.8	19.237500000000004		19.2
	10.699999999999998		11	18.4375		18.5
	10.799999999999999		10.9	17.25		17.4
	10.68125		10.5	17.512500000000003		17.1
	9.9875		10.1	16.91875		16.8
	9.41875		9.9	16.46875		17
	9.3625		9.7	16.443749999999998		16.8
	9.35		9.6	17.200000000000003		17.4
	9.699999999999998		9.8	17.83125		17.9
	9.843750000000002		9.5	17.937500000000004		17.2
	9.600000000000001		9.5	17.26875		17.4
	10.05		10.1	18.1125		17.7
	9.9125		10.2	17.16875		17.6
	9.981250000000003		10.2	17.95		17.8
	10.712499999999999		10.7	17.793750000000003		18
	10.731250000000001		10.4	17.662499999999998		17.5
	9.9125		9.8	16.7375		16.3
	9.318750000000001		9.1	14.9625		15.3
Sep.	8.46875		8.4	14.687500000000002		14.6
	8.556249999999999		8.5	14.268749999999999		14.3
	8.000000000000002			14.375
	8.1625			14.081249999999999
	7.64375			13.85
	8			14.062500000000002
	8.000000000000002			14.393750000000002
	6.8999999999999995			13.25625
	5.81875			11.774999999999999
	5.956250000000002			11.906250000000002
	6.34375			12.5625
	6.80625			12.7625
	6.9312499999999995			13.131250000000001
	7.231249999999999			12.94375
	6.3125			11.66875
	5.975			11.84375
	4.9875			10.831250000000002
	5.1312500000000005			11.231250000000001
	5.518750000000001			10.53125
	5.2749999999999995			10.368749999999999
	4.800000000000001			9.64375
	4.9625			10.23125
	5.19375			9.8625
	4.5874999999999995			9.23125
	5.418749999999999			9.343749999999998
	4.9125000000000005			9.462499999999999
	4.73125			9.5125
	4.35			8.55625
	3.3062500000000004			8.36875
	3.2625			7.80625
Oct.	3.2625000000000006			7.725000000000001
	2.8062500000000004			7.056249999999999
	2.2624999999999997			6.84375
	2.1937500000000005			6.987499999999998
	2.14375			6.725
	2.16875			6.931249999999999
	1.525			5.968750000000001
	0.9937499999999999			5.94375
	1.65625			5.712499999999999
	1.5937500000000002			5.8
	1.7937499999999997			5.8187500000000005
	1.5000000000000002			5.781249999999999
	1.6624999999999999			5.24375
	2.3			5.7625
	2.0562500000000004			6.043749999999999
	0.7374999999999998			4.825
	1.6375			5.53125
	1.775			5.325000000000001
	1.7125			5.7124999999999995
	2.34375			6.0125
	3.21875			6.09375
	1.78125			5.031250000000001
	1.1375000000000002			4.393750000000001
	1.8687500000000001			4.06875
	0.9437499999999999			4.45625
	0.5625			4.225
	1.48125			4.75
	1.30625			4.2
	0.825			4.21875
	0.13124999999999992			3.9875000000000003
	0.0875000000000001			3.0562500000000004
Nov.	-0.44999999999999996			2.993750000000001
	-0.07499999999999997			2.9750000000000005
	-0.18125000000000002			3.025
	-0.25625000000000003			2.6374999999999997
	-0.35624999999999996			2.3625
	-0.8187500000000001			1.9875
	-2.3375			0.8624999999999999
	-2.25			0.8062500000000001
	-2.5124999999999997			0.9500000000000002
	-2.375			1.3000000000000005
	-3.15			0.38750000000000007
	-3.6062499999999997			0.3
	-2.1062499999999997			1.0875
	-2.2875			0.33125000000000004
	-3.0374999999999996			-0.3687499999999999
	-3.65625			-0.9124999999999999
	-3.9625000000000004			-0.6625
	-4.5375000000000005			-1.3375000000000001
	-3.98125			-0.8687500000000001
	-4.81875			-1.0562500000000004
	-5.5062500000000005			-1.325
	-4.293749999999999			-0.2625000000000001
	-4.474999999999999			-0.8187499999999999
	-4.1			-0.7375000000000003
	-3.9562500000000007			-0.7250000000000003
	-4.50625			-0.36875
	-4.48125			-1.18125
	-4.812500000000001			-1.4312500000000001
	-4.5687500000000005			-1.3937499999999998
	-5.1625000000000005			-2.0624999999999996
Dec.	-4.731249999999999			-1.65
	-5.28125			-0.04375000000000001
	-4.3999999999999995			0.23125000000000007
	-3.7625000000000006			-0.1374999999999999
	-3.781249999999999			-0.35625000000000007
	-4.13125			-0.19374999999999992
	-4.69375			-1.10625
	-5.35625			-2.2687500000000003
	-6.243750000000001			-1.4625000000000001
	-6.2437499999999995			-2.1687499999999997
	-5.65625			-1.2750000000000001
	-5.29375			-1.5000000000000002
	-5.70625			-1.7250000000000003
	-5.7124999999999995			-1.8625
	-5.768749999999999			-1.5562500000000001
	-5.43125			-0.8187500000000001
	-4.066666666666666			-0.21999999999999992

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

30°C

Highest Temp

12 Jul. 26

-23°C

Lowest Temp

1 Feb. 26

Seasonal Breakdown

Hottest MonthAugust22.09°C

Coldest MonthFebruary-16.6°C

Wettest MonthJuly4.13mm

Windiest MonthMarch17.58km/h

Lahti 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 Lahti historically?

July is historically Lahti's hottest month, with average maximum temperatures around 22°C. During peak heatwave events, the highest recorded temperatures have reached 33°C on 2010-07-28.

2. What is the coldest month in Lahti historically?

January is Lahti's coldest month, with average minimum temperatures around -9°C. The all-time record low of -28°C was recorded on 2011-02-18.

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

Lahti's average annual rainfall is approximately 683.6mm, based on records spanning 17 years.

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

Lahti historically records approximately 216.6 rainy days per year. July has the highest number of rain days at an average of 22.1 days.

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

The all-time highest temperature recorded in Lahti is 33°C on 2010-07-28.

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

The all-time lowest temperature recorded in Lahti is -28°C on 2011-02-18.

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

Lahti experiences its strongest winds during December. The historic gust record of 35.3 kph was recorded on 2023-09-20.

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

Usually, Lahti's humidity peaks in February at around 94.1% and drops to its lowest in May at approximately 66.02%.

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