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

Suwa Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-7.093750000000001	-9		1.2125000000000001	0.3
	-6.3999999999999995	-9.9		2	-1
	-6.456250000000001	-12.9		1.7750000000000001	-3.3
	-6.875	-12.9		1.7250000000000003	3.4
	-7.3125	-7.3		1.56875	4
	-6.7437499999999995	-10.6		2.19375	0.9
	-7.131249999999999	-10.5		1.8312499999999998	2
	-6.65	-7.7		2.125	-0.9
	-6.7875	-12.6		2.31875	1.5
	-7.2125	-8.7		1.075	5.7
	-7.26875	-9		1.96875	3.4
	-7.25625	-14		1.5625000000000002	0.5
	-7.3625	-10.9		1.725	1.6
	-7.562499999999999	-11.1		2.21875	-0.1
Jan.	-6.7625	-10.9		1.79375	4.6
	-7.818749999999999	-4		1.5375	6.9
	-7.499999999999998	-6		1.6875000000000002	7.9
	-8.181250000000002	-3.6		1.3624999999999998	4.3
	-7.362500000000001	-5.3		2.1374999999999997	7.1
	-6.75625	-7		2.54375	5.2
	-7.3	-8.1		2.3249999999999997	-0.7
	-6.968750000000002	-9.2		2.50625	-3.7
	-7.03125	-12.8		2.00625	0.2
	-8.2375	-7.2		0.4375000000000001	0.1
	-8.700000000000001	-13.7		0.35624999999999996	-2.4
	-8.65625	-14.6		0.9375000000000001	-0.5
	-7.906249999999999	-10		1.5	4.9
	-8.249999999999996	-5.7		1.2437500000000001	1.2
	-7.762499999999999	-7.9		1.9437500000000003	0.6
	-7.55625	-8.1		1.8375	-1.1
	-7.868749999999999	-10.9		1.75	0.6
	-7.762499999999999	-8.5		2.6375	2.8
	-7.49375	-7		2.26875	3.1
	-7.79375	-6.7		3.3125	2
	-7.862500000000001	-8		2.7	7.3
	-7.831249999999999	-4.9		1.4875000000000003	7.8
	-7.606250000000001	-4		1.3875	8.8
	-7.5375000000000005	-4.6		2.3124999999999996	-0.9
	-6.9625	-17.3		1.3375	-3.7
	-7.59375	-18.9		1.3312499999999998	-0.1
	-7.4437500000000005	-11.6		1.9250000000000003	7.2
	-7.4312499999999995	-3.7		1.8875	2.5
	-7.237499999999999	-9.5		3.4437499999999996	2.5
	-6.356249999999998	-10.3		3.0250000000000004	5.1
	-6.40625	-7.3		4.49375	9.6
Feb.	-5.699999999999998	-4.1		3.925	12.4
	-6.937499999999999	-3.3		3.4812500000000006	5.2
	-7.281249999999999	-4.1		2.50625	6.6
	-7.381250000000001	-3.8		2.125	6.5
	-6.818749999999999	-6.5		3.48125	2.7
	-5.9312499999999995	-8		4.2125	7.3
	-6.487499999999999	-5		3.4062499999999996	10.9
	-6.268750000000001	-3.5		5.33125	13.1
	-5.0875	1.3		4.03125	14.4
	-6.89375	-1		4.731249999999999	14.6
	-6.456250000000001	6.1		5.4375	10.6
	-5.481249999999999	3.6		4.6812499999999995	14.7
	-5.40625	2.5		5.3187500000000005	14.1
	-4.36875	0.3		7.3812500000000005	8.4
	-2.8437500000000004	-2.1		7.9375	12.2
	-3.3499999999999996	-2.3		6.43125	12
	-5.33125	-0.1		4.89375	5.9
	-4.837500000000001	-5.9		6.2562500000000005	3.1
	-2.9749999999999996	-10.8		7.806250000000002	3.5
	-3.0875000000000004	-5.1		5.875000000000001	12.4
	-3.83125	-2.4		6.368749999999999	5.3
	-4.262499999999999	-4		6.5375	5.3
	-3.35625	-3.2		7.0687500000000005	7.2
	-3.5999999999999996	-3.7		6.031249999999999	2.9
	-4.387499999999999	-4.4		6.425	6.3
	-4.3687499999999995	-3.5		8.74375	6.4
	-2.3624999999999994	-3.3		7.781250000000001	3.2
	-3.45	-2.5		8.0125	8.5
Mar.	-3.525	-2		7.999999999999999	8.8
	-3.1499999999999995	-1.4		7.6000000000000005	8.8
	-3.6937499999999996	-1.5		7.706250000000001	10.9
	-3.0312500000000004	-2.3		8.943749999999998	12.7
	-1.5625	2.7		9.01875	10.1
	-2.25625	-0.6		10.58125	9.6
	-1.7749999999999995	-2.8		7.925	9.7
	-2.5562499999999995	-3.5		8.59375	12.2
	-2.5937500000000004	-2.2		8.24375	12.3
	-1.8749999999999998	0.4		8.3875	12
	-2.2562499999999996	3.3		8.65625	14
	-1.675	4.9		8.431249999999999	7.4
	-1.4187500000000002	-1.2		10.625000000000002	14.1
	-0.7187499999999998	-0.2		10.931250000000002	15.1
	-0.9999999999999999	0.9		10.843749999999998	17.1
	-1.51875	5.2		11.887500000000001	17.3
	-0.7750000000000001	7.4		11.01875	11.7
	-0.23124999999999993	6.1		11.625000000000004	10.3
	-0.07500000000000001	-0.7		11.60625	6.5
	0.012500000000000039	-2.2		11.44375	14.9
	0.8625	4		11.950000000000001	9
	1.0437500000000002	6.2		12.681250000000002	17.7
	2.00625	5.1		12.493750000000002	19.8
	1.2187499999999998	0.5		11.84375	11.7
	-0.18124999999999986	-1.1		11.78125	12.7
	0.19374999999999998	-1.3		12.656250000000002	15.1
	-0.6062499999999998	7.6		12.8125	12.7
	0.6312499999999999	4.5		12.506250000000001	17.9
	0.4625	3		12.325	17
	0.65	4.6		13.543750000000001	20.5
	1.6875	5.4		14.00625	21.1
Apr.	2.5874999999999995	10.7		12.6125	13.3
	1.2437500000000001	3.6		14.6125	16.1
	2.30625	1.6		15.106250000000001	19.5
	2.7125	3.9		15.45625	20.3
	2.8125	5.6		14.887500000000003	21.5
	2.7062500000000003	10.3		15.925	19.9
	3.73125	2.5		16.0125	17.6
	3.9999999999999996	0.6		15.737499999999999	18
	3.7375000000000007	5.1		15.662500000000001	10.5
	4.074999999999999	3.2		15.1	14.5
	3.912499999999999	1.4		16.2	17
	3.5250000000000004	5.3		15.887500000000001	18.6
	3.6687499999999993	3.4		16.55625	11.6
	3.44375	3.2		17.09375	19.4
	3.44375	6.4		16.325000000000003	16.7
	3.6687499999999993	6.2		16.78125	11.7
	4.94375	4.8		16.95625	14.7
	4.03125	2.6		16.29375	18.7
	3.84375	5		18.7875	20.3
	4.5625	4		18.993750000000002	18.1
	5.381249999999999	1.1		19.224999999999998	18.3
	6.73125	4		19.54375	18.3
	6.5562499999999995	5.4		16.4125	23.9
	4.6125	5.4		17.650000000000002	22.2
	4.2749999999999995	-0.2		17.68125	15.6
	5.40625	-0.7		17.687499999999996	19
	6.449999999999999	2.9		18.431250000000002	21.5
	6.7625	8.6		19.118750000000002	21.6
	6.512499999999999	6.3		18.387500000000003	18.5
	6.468749999999999	4.3		19.243750000000002	20.6
May	6.875000000000002	4.1		20.45	22
	7.65	5.8		19.66875	23.9
	8.287500000000001	6.1		20.11875	24.9
	7.681250000000001	7.7		21.44375	28
	7.999999999999999	9.7		20.168749999999996	28.5
	8.424999999999999	9.4		22.174999999999994	26.5
	9.61875	14.8		21.443749999999998	17.6
	8.925000000000002	11.5		20.881250000000005	16.3
	8.399999999999999	11		19.53125	17.3
	8.387500000000001	10.3		21.0625	21.2
	8.749999999999998	9.8		22.46875	25.9
	9.362499999999999	11.7		20.06875	24.4
	9.3625	12.2		21.474999999999998	24.6
	10.031250000000002	10.4		20.962500000000006	27.9
	9.65625	7.3		20.2125	23.6
	9.231250000000001	4.6		20.81875	24.6
	9.062499999999998	9.5		20.087500000000002	25.8
	9.5875	8.2		21.0625	26.8
	9.375000000000002	10.4		20.781250000000004	21.6
	9.274999999999999	10.9		21.04375	18.4
	8.73125	11.2		22.16875	22
	8.99375	11.6		21.85	23.8
	9.8125	14		21.599999999999998	21.4
	11.049999999999999	13.1		21.437500000000004	21.1
	10.625	13.8		21.7	22.8
	10.56875	12.1		22.749999999999996	19.6
	11.081249999999999	7.9		22.025000000000002	22.3
	11.5625	6.3		21.8375	22.4
	12.231249999999998	7		22.83125	23.3
	11.512499999999998	6.1		22.412499999999998	24.6
	12.1375	7.8		21.043750000000003	23.1
Jun.	12.04375	10.4		22.28125	17
	12.700000000000001	8.3		22.65625	24
	12.056249999999999	10.9		23.78125	24.6
	12.81875	11		23.412499999999998	28.8
	12.293749999999998	10.5		22.806250000000002	28.4
	12.525	12.9		22.975	21
	12.718749999999998	11.4		22.85	27.1
	12.325000000000001	11.4		23.175	24.3
	12.83125	13.4		22.675	23.6
	12.39375	13.2		23.681250000000002	24.3
	13.400000000000002	13.2		24.681250000000002	16.6
	13.99375	15.2		23.51875	19.6
	14.518750000000002	15.2		23.975	21.7
	14.25625	14.6		24.849999999999998	22.7
	14.393750000000004	12.8		24.381249999999998	26
	14.6375	11.5		25.112499999999997	25.1
	14.950000000000001	12.8		24.6375	22.4
	15.206249999999997	14		25.099999999999994	20.7
	15.700000000000001	12.8		25.41875	23.5
	15.64375	13.2		23.74375	22.2
	15.431250000000002	14.1		24.46875	22.8
	15.450000000000001	16.5		25.137500000000003	18.9
	15.706249999999999	15.5		24.3	25.1
	15.856250000000001	17.5		26.237499999999997	28.5
	16.412499999999998	16.9		25.668749999999996	30.4
	16.15	15.1		25.675	31.9
	15.924999999999999	15.7		25.8875	28.8
	16.3	15.5		26.075	27.4
	16.112499999999997	15.6		25.518750000000004	25.7
	16.250000000000004	14.4		25.368750000000002	31.5
Jul.	16.512500000000003	15.9		25.95625	32.8
	16.2125	16.7		26.312499999999996	31
	16.55	17.6		26.856250000000003	27.5
	16.4	18.3		26.724999999999998	25.8
	16.3625	17.4		26.656250000000007	30.5
	16.41875	17.5		27.43125	32
	16.48125	16.9		27.525000000000002	32.1
	16.8625	16.6		27.000000000000004	33.9
	17.1125	16		26.906249999999996	33.7
	16.875	16		27.231250000000006	32.6
	16.6375	15.5		27.937500000000004	32.7
	16.831249999999997	15.3		27.8	28.2
	16.862499999999997	14.1		26.80625	27.5
	16.631249999999998	13.9		27.325	25.8
	17.40625	13.1		26.662499999999998	28.8
	17.375	14.6		28.55625	31.3
	17.756249999999998	15.1		28.600000000000005	31.4
	17.53125	15.5		28.368750000000002	31.2
	17.10625	16.3		28.943749999999998	31.6
	17.5125	17.4		28.33125	26.6
	17.7	15.3		28.90625	29.5
	18.05	12.3		29.4375	31.4
	18.312500000000004	14.6		29.15625	32
	17.81875	15.4		28.056250000000002	31.3
	17.36875	15.1		27.94375	29.2
	17.46875	15.8		28.24375	26.3
	17.8625	13.9		27.9125	29.1
	17.25	11		28.224999999999998	23.4
	17.393749999999997	13		27.63125	23.3
	17.44375	11.9		27.4375	28.4
	17.793749999999996	15.2		27.437500000000004	25.1
Aug.	17.84375		15.4	27.21875		25
	17.58125		15.2	26.662499999999998		25.9
	17.15625		14.2	26.824999999999992		27.2
	16.906250000000004		15.1	28.568749999999998		30.1
	16.88125		14.7	27.5625		30.7
	17.099999999999998		17.5	27.1375		30.8
	17.31875		15.2	27.5375		25.7
	17.075		16.4	28.26875		29.6
	17.6625		17.2	26.78125		26.9
	17.068749999999998		16.9	26.756249999999998		26.6
	17.218749999999996		16.8	26.418750000000003		26
	16.306250000000002		16.3	27.256249999999994		27.3
	16.306250000000002		16.1	27.193749999999998		26.4
	16.44375		16.3	26.0625		26
	16.237499999999997		16.1	27.2125		27.1
	16.4625		16.6	26.7125		26.3
	16.725		16.4	25.91875		25.9
	15.912499999999998		15.8	25.14375		25
	15.731250000000001		15.8	25.60625		25.7
	15.725000000000003		15.8	25.624999999999996		25
	15.96875		15.9	24.7375		24.7
	16.118750000000002		15.7	25.731249999999992		26
	15.149999999999997		15.4	25.675000000000004		25.4
	15.124999999999998		14.8	25.0125		25.2
	14.981250000000001		15.4	23.518750000000004		23.3
	15.19375		14.5	25.75625		25.7
	15.01875		14.5	25.975		25.5
	15.00625		14.7	24.637499999999996		24.6
	14.356250000000001		14.2	24.84375		24.1
	14.137500000000001		14.1	25.1875		24.9
	14.424999999999999		14.1	25.193749999999998		25.2
Sep.	14.743750000000004			24.700000000000003
	14.10625			24.112500000000004
	13.631249999999998			23.75
	14.06875			24.275000000000002
	13.468750000000002			23.9375
	12.993749999999999			22.068749999999998
	12.362500000000004			21.625
	11.993749999999999			22.3625
	11.775			21.86875
	11.549999999999999			20.775
	11.54375			21.275
	10.468750000000002			21.456249999999997
	10.9625			21.962500000000002
	11.2125			22.006249999999998
	10.6875			22.025000000000002
	10.718749999999998			21.593750000000004
	10.30625			21.287499999999998
	10.518749999999999			21.237499999999997
	9.94375			21.40625
	10.16875			19.49375
	10.0875			19.56875
	9.931249999999997			19.374999999999996
	9.40625			18.950000000000003
	9.05625			19.849999999999998
	8.975000000000001			18.55
	9.16875			20.08125
	9.049999999999999			19.624999999999996
	8.956249999999999			19.124999999999996
	7.987499999999999			17.487499999999997
	7.643750000000001			18.1375
Oct.	7.462500000000001			17.6125
	6.499999999999998			18.306250000000002
	6.2			17.281249999999996
	6.10625			16.9875
	6.6125			17
	6.94375			16.349999999999998
	5.58125			16.33125
	5.375			16.00625
	5.2875			16.1375
	5.874999999999999			15.837499999999999
	5.55			14.94375
	3.8375			14.924999999999999
	3.425			15.862499999999999
	3.4937500000000004			14.700000000000001
	3.6812500000000004			13.58125
	3.0375			13.618749999999999
	3.0562499999999995			14.84375
	2.6624999999999996			14.487499999999999
	3.125			14.95625
	3.0062499999999996			14.074999999999998
	2.5187500000000003			13.8375
	1.7687499999999998			14.556250000000002
	2.41875			15.112499999999999
	2.7375000000000003			14.5375
	2.63125			13.1625
	2.475			13
	1.9875			11.781249999999998
	1.0687499999999996			11.593750000000002
	1.30625			11.950000000000001
	0.6875000000000001			12.06875
	0.925			11.631250000000001
Nov.	0.50625			10.937500000000002
	-0.3125			11.668749999999998
	0.2375			11.18125
	0.20624999999999993			10.89375
	-0.375			10.443750000000001
	-0.225			9.706249999999999
	-0.7875			10.96875
	-0.38125			10.8875
	-0.05625000000000002			10.643749999999999
	-0.2812500000000001			9.41875
	-1.0375			8.375
	-0.9937500000000001			9.512500000000001
	-1.3875000000000002			9.356250000000001
	-1.0750000000000002			9.368749999999999
	-1.1624999999999999			8.4625
	-1.875			9.168750000000001
	-1.89375			8.237499999999999
	-2.6437500000000003			7.5625
	-2.75			7.7875
	-2.575			7.356249999999999
	-3.0062499999999996			7.168750000000001
	-2.9062499999999996			7.25625
	-2.9875			5.674999999999999
	-3.46875			5.250000000000001
	-4.487499999999999			5.506249999999999
	-4.8500000000000005			6.362499999999999
	-3.9250000000000003			6.45625
	-4.20625			5.46875
	-4.7125			4.4625
	-5.25625			4.4937499999999995
Dec.	-5.05			4.64375
	-4.35			4.78125
	-4.9437500000000005			2.825
	-5.843749999999999			2.4687499999999996
	-4.78125			3.525
	-4.79375			4.106249999999999
	-5.118750000000001			4.5875
	-4.575000000000001			4.468749999999999
	-4.86875			3.8312499999999994
	-4.862500000000001			4.0375000000000005
	-6.04375			2.5375
	-7.300000000000001			1.8624999999999998
	-6.93125			1.2750000000000001
	-7.531250000000001			2.2249999999999996
	-5.6375			2.69375
	-5.874999999999999			2.96875
	-6.033333333333334			2.76

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

34°C

Highest Temp

22 Jul. 26

-19°C

Lowest Temp

9 Feb. 26

Seasonal Breakdown

Hottest MonthAugust28.46°C

Coldest MonthJanuary-9.42°C

Wettest MonthJune10.59mm

Windiest MonthJanuary14.93km/h

Suwa 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 Suwa historically?

August is historically Suwa's hottest month, with average maximum temperatures around 28°C. During peak heatwave events, the highest recorded temperatures have reached 34°C on 2026-07-22.

2. What is the coldest month in Suwa historically?

January is Suwa's coldest month, with average minimum temperatures around -7°C. The all-time record low of -21°C was recorded on 2012-02-03.

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

Suwa's average annual rainfall is approximately 1432.6mm, based on records spanning 17 years.

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

Suwa historically records approximately 197.7 rainy days per year. July has the highest number of rain days at an average of 23.2 days.

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

The all-time highest temperature recorded in Suwa is 34°C on 2026-07-22.

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

The all-time lowest temperature recorded in Suwa is -21°C on 2012-02-03.

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

Suwa experiences its strongest winds during April. The historic gust record of 32.8 kph was recorded on 2026-01-11.

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

Usually, Suwa's humidity peaks in September at around 82.7% and drops to its lowest in April at approximately 69.6%.

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Yearly Summary 2026

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