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

Harstad Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-4.9625	-13.1		-1.51875	-9.8
	-5.3375	-13.3		-0.70625	-7.3
	-6.225000000000001	-9.8		-1.4437499999999999	-5.4
	-7.64375	-11.2		-3.925	-8.6
	-8.487500000000002	-7.3		-3.7749999999999995	-4.4
	-6.737499999999999	-9.5		-2.5812500000000007	-6.5
	-5.45	-11.8		-1.975	-11.1
	-5.587500000000001	-12.7		-1.1312499999999999	-10.5
	-5.58125	-10.2		-0.9000000000000001	-8.2
	-6.275	-10.9		-1.2812499999999998	-7.8
	-6.30625	-11.5		-1.60625	-3.2
	-4.843749999999999	-6.1		-1.5249999999999995	-3.2
	-6.206250000000001	-7		-2.056250000000001	-5.2
	-6.318749999999998	-9		-2.2062500000000003	-6.2
Jan.	-6.7125	-6.3		-2.2500000000000004	-2
	-5.731250000000001	-4.8		-1.75625	-2
	-5.6499999999999995	-1.7		-1.69375	2.7
	-6.1937500000000005	-0.8		-2.3562499999999997	3.1
	-7.243750000000001	-5.8		-3.0749999999999997	1.9
	-7.38125	-7.4		-3.7625	-5.7
	-7.581250000000002	-8.1		-3.6	-5.2
	-7.05625	-9		-3.3687499999999995	-8
	-6.999999999999999	-11.2		-2.9312500000000004	-9.3
	-7.23125	-10.8		-2.718749999999999	-3.4
	-6.05625	-6.4		-2.225	-0.7
	-5.175	-8.7		-1.40625	-4.7
	-5.1125	-10		-1.20625	-2.4
	-6.187499999999999	-11		-2.2937499999999997	-6.6
	-7.493749999999999	-13.3		-3.4250000000000003	-11.5
	-8.3875	-13.5		-4.293750000000001	-11.4
	-6.775000000000001	-12.4		-3.4750000000000005	-8.3
	-6.95	-8.9		-3.24375	-2.5
	-7.95	-6.7		-4.18125	-3.5
	-8.54375	-8.5		-4.69375	-6.1
	-8.75625	-6.8		-4.074999999999999	-0.1
	-7.599999999999999	-3.1		-2.468749999999999	1
	-6.3812500000000005	-3.8		-1.6750000000000005	0.6
	-6.03125	-11.3		-0.8937500000000002	-4.5
	-5.087499999999999	-11		-0.69375	-5.1
	-5.8375	-6.8		-1.3	-3
	-5.2125	-10.7		-1.0312500000000002	-7.2
	-4.949999999999999	-13.5		-0.22499999999999998	-7.7
	-5.2	-14.8		-0.5125000000000002	-10.7
	-6.312499999999999	-12.1		-1.625	-4.9
	-6.06875	-7.7		-1.8625	-2.5
Feb.	-6.31875	-5.3		-2.06875	-3.2
	-5.1812499999999995	-6.2		-1.4749999999999996	-2.2
	-5.643750000000001	-6.7		-1.7562499999999999	-2
	-6.19375	-5.8		-2.475000000000001	-3.3
	-6.375	-8		-2.60625	-0.7
	-7.20625	-11.4		-2.90625	-5.6
	-7.293750000000001	-11.6		-2.9749999999999996	-5.4
	-6.8875	-8.2		-1.0187499999999998	-0.9
	-5.362499999999999	-10.9		-1.0249999999999995	-5.4
	-4	-11.6		-0.27500000000000024	-4.7
	-4.6812499999999995	-8.1		0.13125000000000003	-3
	-4.918749999999999	-6.4		-0.13125000000000014	-2
	-3.48125	-5.7		0.5499999999999999	1.1
	-3.1875000000000004	0.3		0.9499999999999998	2.3
	-2.3875	-0.4		0.76875	2.1
	-3.5687499999999996	-2.9		0.0187500000000001	0.4
	-5.23125	-1.3		-1.1812499999999997	2
	-6.6	-0.3		-1.7625	3.3
	-6.293749999999999	2.2		-1.0875	3
	-4.9375	-1.7		-1.15	3.7
	-4.768750000000001	2		-0.4624999999999999	3.6
	-4.9375	1.9		-0.7437500000000001	2.7
	-4.449999999999999	1.5		-0.8312499999999997	3.4
	-4.55	-0.8		-0.28125000000000006	2.2
	-5.181249999999999	-1.3		-0.5875000000000001	2.6
	-4.26875	-1.8		-0.24999999999999994	2
	-4.3625	-4.3		0.15000000000000005	2.1
	-3.7687499999999994	-1.8		-0.25	2.4
Mar.	-4.775	-2.7		-0.07500000000000001	2.1
	-3.9625	-4		0.22499999999999992	2.1
	-3.8750000000000004	-1		0.31875	2
	-4.2562500000000005	1.9		-0.5874999999999999	4.6
	-4.76875	1.6		0.006250000000000117	3.5
	-4.2125	1.4		-0.03125000000000003	4.2
	-4.212500000000001	0.3		0.24999999999999994	3.8
	-4.0874999999999995	0.8		1.21875	3.3
	-3.425	-0.8		1.0625	2.7
	-3.9625	-2.4		0.20624999999999985	0.4
	-3.98125	-2.7		0.06250000000000003	2.1
	-4.031249999999999	-1.5		0.33124999999999993	2.1
	-3.40625	-1.6		0.8562499999999998	1.8
	-2.85	-5.4		0.6437499999999999	2.2
	-3.525	-0.3		0.43125000000000013	2.8
	-3.4750000000000005	-3.2		0.5499999999999999	2.7
	-3.91875	-0.4		0.46250000000000013	3.1
	-3.0312499999999996	1.3		1.28125	3.1
	-2.7000000000000006	1.4		1.3	2.8
	-3.5250000000000004	-4.3		0.9375	2
	-4.387499999999999	-6.1		1.03125	0.9
	-4.3125	-2.7		1.075	3
	-3.6687499999999993	-4.3		1.2687499999999998	3.5
	-3.65625	-1.9		1.35625	3.4
	-3.5687499999999996	-1.7		1.5312499999999998	4.1
	-3.1562499999999996	0.6		1.6812500000000001	5.3
	-2.2625	0.7		2.1437500000000003	6.2
	-1.7875	0.3		2.5062499999999996	6.7
	-0.98125	-0.4		2.9125000000000005	6.8
	-1.41875	1.1		2.5562499999999995	7.3
	-1.1375	1.1		2.9250000000000003	6.8
Apr.	-0.86875	1.5		3.05	7
	-0.49375	1.8		3.24375	6.1
	-0.12500000000000003	0.9		3.81875	7.7
	-0.4249999999999999	1.2		3.7874999999999996	7.8
	-0.006250000000000047	0.9		4.1625	8.3
	0.6000000000000001	3.2		4.512499999999999	8.1
	-0.07500000000000004	3.3		3.8499999999999996	5.9
	-0.81875	3.3		3.1125000000000003	5.1
	-0.8062499999999999	1.3		3.4437500000000005	5.2
	-0.9624999999999999	-1.4		3.8625000000000003	0.1
	-1.125	-1.5		3.5125	1.9
	-0.6499999999999999	0		3.56875	2.5
	-0.2187500000000001	-1.6		3.9187499999999997	1.9
	-0.3	-0.7		3.8937500000000003	2.4
	-0.6	-0.2		3.2500000000000004	3.1
	-1.075	3		3.48125	4.4
	-0.5375	2.7		3.78125	6.3
	-0.5562499999999998	-0.4		4.34375	4.5
	-0.3125	-0.7		4.01875	2.7
	-0.04999999999999991	-2.2		4.04375	4
	-0.03749999999999998	0.9		4.39375	4.4
	0.475	1.9		5.093750000000001	4.2
	0.8312499999999999	0.6		4.7	4.7
	0.8250000000000001	2.3		5.262499999999999	5.7
	1.31875	2.1		6.0375	8
	2.0999999999999996	3.3		7.29375	7.9
	2.4687500000000004	4.2		7.331250000000002	6.7
	2.1625	2.6		7.0625	6
	2.3625	3.4		6.074999999999999	6.5
	2.3750000000000004	4.1		7.38125	9.2
May	2.75	4.7		8.062499999999998	10.7
	3.40625	5.3		8.674999999999999	11
	3.8187500000000005	4.9		9.06875	8.2
	3.74375	5.4		9.06875	6.3
	3.7875000000000005	5.7		9.012500000000003	11.4
	3.7937499999999993	9.3		8.775	12.4
	4.075	7.4		8.40625	10.5
	4.26875	6.5		9.293750000000001	11.8
	4.3125	8.3		10.0125	9.9
	4.76875	7.8		10.74375	8.7
	4.71875	6.7		8.762500000000001	8.7
	4.2125	5.5		8.756250000000003	7.6
	4.26875	6.4		10.275	9
	5.637499999999999	5.3		11.375000000000002	6.9
	6.075	2.9		11.212500000000002	5.8
	6.075	3.7		10.43125	6.9
	5.61875	5.4		11.268749999999999	9.4
	5.487499999999999	5.7		10.812499999999998	9.3
	6.3625	6.7		11.6	14.3
	6.093750000000001	9.8		11.200000000000001	14.6
	5.606249999999999	11.1		9.89375	17.4
	5.725	13		10.306250000000002	16.5
	6.55	9.8		12.449999999999998	13.8
	6.4624999999999995	8.6		11.65625	12
	6.18125	9.4		10.7	11.4
	6.481250000000001	8.8		11.3375	15.9
	6.4437500000000005	12.1		11.106249999999998	17.3
	6.4437500000000005	9		11.862499999999999	11.1
	6.71875	7.5		10.50625	12.4
	6.2124999999999995	8.8		10.875000000000002	11.1
	6.48125	7.9		11.950000000000001	11.9
Jun.	6.843750000000001	9.1		10.9125	12.5
	6.28125	9.2		10.225	11.6
	6.593750000000002	7.8		11.656249999999998	9.3
	7.918750000000001	6.7		13.4375	9.5
	7.51875	7.9		12.08125	12.5
	7.093750000000001	8.7		11.531249999999998	12.9
	6.91875	8.6		11.431249999999999	12.1
	7.35625	7.9		11.84375	9.5
	7.68125	7.5		12.143749999999997	8.4
	8.506250000000001	7.7		13.475	9.6
	8.1375	7.3		12.487499999999999	13
	7.85	9.6		12.781250000000002	11.7
	7.737499999999999	9.3		13.1875	12
	8.41875	8.3		13.793749999999998	12.3
	8.3375	10.1		13.799999999999997	13.3
	8.193750000000001	10.6		13.456249999999999	12.6
	8.61875	9.2		15.2	12.3
	9.493749999999999	7.7		14.718749999999998	12.1
	8.656250000000002	8.3		13.76875	13.2
	8.687499999999998	8.3		13.112499999999999	12.2
	8.806250000000002	9		15.00625	14.6
	10.043750000000001	10.3		14.66875	13.2
	9.556249999999999	9.4		14.900000000000002	11.7
	9.174999999999999	9.8		14.350000000000001	14.1
	9.693750000000001	10.5		15.65	13.3
	9.18125	10.6		14.975000000000001	13.8
	9.04375	10.6		14.15625	13.7
	9.7375	9.1		15.45625	13.6
	10.281249999999998	10.3		15.037500000000001	13.9
	9.8125	10.9		14.425	11.5
Jul.	9.637499999999998	11		14.43125	12
	9.631250000000001	11.1		14.549999999999999	13.9
	9.962499999999999	9.8		14.781250000000002	12.2
	10.14375	6.3		15.606250000000003	9.8
	10.13125	6		14.700000000000001	9.2
	9.94375	5.8		14.475	12.2
	9.725000000000001	9.9		14.68125	11.2
	9.862499999999997	8.1		15.049999999999999	10.4
	10.15625	7.4		15.525000000000004	10.8
	10.45625	8.8		16.075	11.7
	10.575	10		15.993750000000002	14.1
	10.831249999999999	10.4		15.9625	15.9
	10.562500000000002	10.5		16.8	13.5
	11.1125	10.6		16.6625	13.8
	11.05625	9.2		16.5125	12.2
	11.287500000000001	8.4		16.89375	14.9
	11.5125	9.5		17.075000000000003	14.1
	11.5375	8.7		16.893749999999997	14.8
	10.85	9		14.712499999999999	13.6
	10.825	9.8		16.45	11.3
	10.65	9.5		16.068749999999998	11.1
	10.7	7		15.625000000000002	12.3
	10.625	7.8		16.468749999999996	14.1
	10.475000000000001	9.7		15.525	10.9
	10.475		9.5	16.25		12.3
	10.9125		9.6	16.01875		12
	10.381250000000001		7.1	15.356249999999998		10.8
	10.424999999999999		6.5	14.950000000000001		9.1
	9.83125		7.5	14.399999999999999		10.7
	9.6875		8.2	13.993750000000002		10.8
	9.718749999999998		11.1	14.1		12.3
Aug.	9.56875		9.6	14.968749999999998		12.4
	10.037500000000001		9.8	14.9875		14.6
	9.6375		9.4	13.949999999999998		13.8
	9.406249999999998		9.3	14.793750000000001		14.8
	9.837500000000002		9.7	14.625		14.3
	9.64375		9.4	14.50625		14.5
	9.51875		9.6	13.825		13.9
	9.26875		9.4	13.36875		13.7
	9.05		9	13.368749999999997		12.8
	8.831249999999999		8.6	13.36875		13.5
	9.106250000000001		9.2	14.081250000000002		14.1
	9.237499999999999		9.2	13.80625		13.8
	9.06875		8.7	13.056250000000002		13
	8.799999999999999		8.9	13.181250000000002		13.7
	9.056249999999999		9.9	13.33125		14.1
	9.175		9.3	13.212499999999999		13.2
	8.53125		8.4	12.575000000000001		12.4
	8.1625		8.6	12.625000000000002		12.9
	8.59375		8.6	12.506250000000001		12.9
	8.45		8.6	12.9125		12.8
	8.49375		8.7	12.73125		12.6
	9.0875		8.8	12.99375		12.4
	8.64375		8.3	12.69375		12.7
	8.1625		8.3	12.162499999999998		12.1
	7.962500000000001			12.575000000000001
	8.931249999999999			13.88125
	8.99375			13.41875
	9.125000000000002			13.581249999999999
	8.8375			12.975000000000001
	8.418750000000001			12.23125
	7.40625			11.712500000000002
Sep.	7.543750000000001			11.387499999999996
	7.262500000000001			11.299999999999999
	7.237500000000001			11.06875
	7.150000000000001			10.750000000000002
	6.993750000000001			10.474999999999998
	6.5875			10.350000000000001
	5.793750000000001			9.7
	5.95625			10.1375
	5.5375000000000005			9.2625
	5.418750000000001			9.31875
	6.056249999999999			9.5125
	6.2875			10.012500000000003
	6.725			10.65625
	5.94375			10.03125
	6.09375			9.975
	6.28125			9.743750000000002
	5.687500000000001			9.90625
	5.66875			9.35
	5.64375			8.625
	5.181250000000001			8.6625
	4.6000000000000005			8.362500000000002
	4.918749999999999			7.999999999999999
	4.625			7.8812500000000005
	4.175			7.15
	3.31875			6.79375
	3.43125			6.975
	3.71875			6.793749999999999
	3.6250000000000004			6.5874999999999995
	3.38125			5.9875
	3.2624999999999997			6.5375000000000005
Oct.	3.1875			6.143749999999999
	2.6875			5.449999999999999
	2.85			5.637500000000001
	2.275			5.512500000000001
	1.64375			4.8374999999999995
	1.1624999999999999			4.2
	1.13125			4.15
	0.55625			3.8437499999999996
	1.125			3.8625000000000003
	1.19375			4.23125
	1.2187500000000002			4.39375
	0.4750000000000001			3.9749999999999996
	1.05625			4.3625
	1.11875			4.4125
	0.6499999999999999			3.7999999999999994
	-0.36874999999999997			2.9312500000000004
	-0.07500000000000001			3.1750000000000007
	0.09375000000000004			3.84375
	0.8624999999999999			3.7875
	1.44375			4.425
	0.78125			3.850000000000001
	0.7062499999999999			3.69375
	0.71875			3.55
	-0.35624999999999996			2.8312500000000003
	-1.6062499999999997			2.1499999999999995
	-1.59375			2.45625
	-0.9562499999999999			1.9437499999999999
	-0.7562500000000001			2.2375
	-1.0375			2.3937500000000003
	-0.7312500000000002			2.375
	-1.0625			1.98125
Nov.	-0.43125000000000013			3.21875
	-0.38749999999999996			3.09375
	-0.7000000000000002			3.2375
	-0.15625			2.6374999999999997
	-1.89375			1.6437499999999996
	-2.6374999999999997			0.58125
	-3.53125			0.2062500000000002
	-3.5312500000000004			0.6687500000000004
	-2.4			0.6249999999999998
	-1.7750000000000004			1.33125
	-2.1125			1.375
	-2.1125000000000007			0.8999999999999999
	-3.1999999999999997			0.4374999999999999
	-3.66875			-0.04375000000000007
	-3.699999999999999			0.6062500000000001
	-3.0500000000000003			0.3437500000000002
	-3.14375			0.6750000000000002
	-2.74375			1.7
	-2.55			1.0687499999999999
	-2.55			0.925
	-3.25			-0.15625
	-4.574999999999999			-1.1375000000000002
	-6.16875			-2.2125000000000004
	-5.8625			-2.275
	-5.90625			-1.7
	-5.575			-0.71875
	-5.89375			-1.2687500000000003
	-5.94375			-1.58125
	-5.162499999999999			-1.0749999999999997
	-4.299999999999999			0.12500000000000003
Dec.	-2.8250000000000006			0.7437499999999999
	-2.8250000000000006			0.30625
	-3.1437500000000007			0.14999999999999997
	-3.9250000000000003			-0.6500000000000001
	-4.731250000000001			-0.6312500000000001
	-4.5625			-0.9999999999999999
	-4.843749999999999			-0.9249999999999999
	-5.499999999999999			-1.4562500000000003
	-4.9375			-0.425
	-3.8312500000000003			0.15000000000000005
	-4.00625			-0.18125000000000013
	-6			-0.7375
	-5.837499999999999			-0.88125
	-5.3687499999999995			-1.79375
	-5.556249999999999			-0.4624999999999999
	-3.6374999999999997			0.13125000000000014
	-3.226666666666667			0.3400000000000001

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

17°C

Highest Temp

4 Jun. 26

-15°C

Lowest Temp

12 Feb. 26

Seasonal Breakdown

Hottest MonthJuly12.75°C

Coldest MonthJanuary-9.18°C

Wettest MonthMarch8.12mm

Windiest MonthMarch27.22km/h

Harstad 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 Harstad historically?

July is historically Harstad's hottest month, with average maximum temperatures around 15°C. During peak heatwave events, the highest recorded temperatures have reached 28°C on 2014-07-10.

2. What is the coldest month in Harstad historically?

January is Harstad's coldest month, with average minimum temperatures around -6°C. The all-time record low of -21°C was recorded on 2016-01-08.

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

Harstad's average annual rainfall is approximately 1219.6mm, based on records spanning 17 years.

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

Harstad historically records approximately 247.05 rainy days per year. March has the highest number of rain days at an average of 24.1 days.

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

The all-time highest temperature recorded in Harstad is 28°C on 2014-07-10.

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

The all-time lowest temperature recorded in Harstad is -21°C on 2016-01-08.

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

Harstad experiences its strongest winds during March. The historic gust record of 76 kph was recorded on 2025-12-27.

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

Usually, Harstad's humidity peaks in April at around 80.5% and drops to its lowest in November at approximately 77.3%.

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