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

Hamamatsu Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	2.2	4.3		8.7875	9
	2.5562500000000004	2.6		9.743749999999999	7.5
	2.55625	1.6		9.125	8.3
	2.6312499999999996	1.8		9.49375	8.9
	2.4312499999999995	4.4		9.2875	11.1
	2.375	3.4		9.71875	9.2
	1.79375	2.7		9.25625	10.1
	2.5749999999999997	2.3		9.35	8.8
	2.3375000000000004	-0.2		9.575	8.7
	1.8249999999999997	2.4		8.95	11.1
	2.025	0.8		8.95	9.1
	1.8624999999999998	0.3		8.618749999999999	6.5
	1.6499999999999997	2.2		9.0875	11.5
	1.83125	2.5		8.675	7.9
Jan.	2.5249999999999995	2.9		9.36875	10
	1.6187499999999997	6.8		8.956249999999999	14.8
	1.7562500000000003	5.8		9.30625	15.9
	2.18125	5.3		9.056250000000002	14.3
	2.275	5.2		9.43125	12.1
	2.6625	0.7		9.8	12.5
	2.8000000000000003	-0.2		10.13125	6.5
	2.8687500000000004	0.2		10.143749999999999	5.1
	2.73125	-0.6		9.0875	5.7
	1.6249999999999998	1		8.55625	9.2
	1.26875	0.5		8.3	6.9
	1.6	-0.9		8.60625	6.8
	1.6624999999999996	1.3		9.19375	9.9
	1.8875000000000004	2		9.35625	9.6
	2.09375	1.5		9.287499999999998	7.9
	2.425	0.6		9.162499999999998	7
	2.0249999999999995	0		9.06875	7.5
	1.8562500000000004	1.3		9.931250000000002	9.1
	2.7	1.8		10.112499999999999	8.9
	2.25	1.3		9.99375	10
	2.05625	1.5		9.80625	11
	2.0249999999999995	4.4		8.825	13.2
	2.03125	6.7		8.69375	14.3
	1.95	4.8		9.7625	10.2
	1.4812499999999997	-0.8		9.106250000000001	6.1
	1.6125	-1.3		8.7375	8.3
	1.7187500000000004	0.7		9.087499999999999	10.2
	2.1875	6		9.7125	10.4
	2.2375	3.5		9.75625	11.5
	2.81875	2.7		10.1	12
	3.36875	4.2		10.825000000000001	13
Feb.	3.4687499999999996	7.9		10.88125	18.3
	2.6	7.1		10.225	16.2
	2.1125	5.1		9.518749999999999	8
	2.1750000000000003	5.1		9.975000000000001	11.7
	2.6312499999999996	0.7		10.225000000000001	10.6
	3.5312499999999996	2.8		11.918749999999998	11.3
	3.10625	4		10.462500000000002	13.9
	3.1375	7.4		11.362499999999997	16.9
	4.40625	12		11.6	19.8
	3.2562499999999996	9.1		10.974999999999998	16.8
	3.5124999999999997	11.2		11.931249999999999	17.8
	4.275	10.8		11.868749999999999	16
	4.3500000000000005	11.1		12.325	18
	4.593750000000001	11.7		13.268749999999999	20.2
	5.456249999999999	8.8		13.981250000000001	17.5
	5.3375	9.8		12.9125	16.5
	4.3687499999999995	10.7		11.8625	12.8
	4.4312499999999995	5.9		12.2375	15.2
	5.862500000000001	3.9		13.525	15.7
	6.01875	7.3		12.675000000000002	15.8
	5.487499999999999	6.1		12.706249999999999	12.9
	5.46875	3.6		12.581249999999999	11.8
	5.550000000000001	3.4		13.143749999999999	12.5
	5.156249999999999	5.2		12.787500000000003	12.9
	4.6499999999999995	6.2		12.437499999999998	11.1
	4.624999999999999	5.2		13.631249999999998	12.1
	5.53125	5.4		14.349999999999998	11.7
	5.275	5.5		14.35	13.8
Mar.	5.20625	6.1		13.856250000000001	14.1
	5.03125	6.6		14.700000000000003	15.6
	5.281249999999999	7.8		14.200000000000001	15
	5.4875	7.8		14.424999999999995	15.3
	6.6625	9.8		15.04375	18.4
	6.581250000000001	7.8		15.268749999999999	16.6
	6.875	5.3		14.19375	16.9
	5.94375	7.2		13.9125	15.2
	5.7375	9.3		14.368750000000002	18.9
	6.11875	8.4		14.218750000000004	15.8
	6.018750000000001	11		14.0875	15.3
	6.775	10.6		14.0375	16.2
	6.06875	9.8		15.387499999999998	17
	7.33125	9.9		16.075	18.1
	8.18125	11.7		16.06875	20.8
	7.6875	13.5		16	19.7
	8.03125	14.3		15.749999999999998	18.4
	7.85625	12.4		15.968750000000002	15.3
	8.806249999999999	10.9		16.018749999999997	16.5
	8.23125	8.8		15.874999999999996	17.6
	8.2	13.1		16.85625	16.9
	9.006249999999998	16.2		16.48125	19.7
	9.849999999999998	14.5		16.856250000000003	21.7
	8.875	8.6		17.2625	15.7
	8.575	6.3		16.675	14.1
	8.5875	10.3		17.625	17.5
	8.46875	15.3		17.0125	19
	9.181249999999999	15.4		17.44375	21.9
	9.05	14.2		17.1125	20.1
	9.31875	14.4		17.131249999999998	20.2
	9.7875	15.3		17.662499999999998	21.3
Apr.	10.537500000000001	15.7		17.175	18.9
	9.88125	15		18.61875	22.7
	10.925000000000002	14		17.8375	17.7
	11.10625	13.2		18.6875	20.3
	10.9875	15		19.2875	21.2
	11.05625	16.4		18.9875	21
	11.33125	14.8		19.812499999999996	23
	11.981250000000001	14.5		19.4375	20.7
	12.025000000000002	13.9		18.418749999999996	16.5
	12.1625	13.7		17.987500000000004	16.6
	11.343750000000002	13.8		19.55	18.1
	11.2375	13.2		19.412499999999998	19.3
	12.143749999999999	14.6		19.775	22
	11.756249999999998	15.6		19.906250000000004	21.7
	11.743750000000002	16.6		19.1625	21.6
	11.675	13.4		19.425	15.9
	12.450000000000001	13.8		20.725	18.2
	12.124999999999998	13.7		20.318749999999998	23.5
	11.86875	16.2		21.2	22.4
	12.34375	13.6		21.0125	20.6
	12.90625	12		21.118749999999995	19.2
	13.612499999999997	14.2		21.775	19.7
	13.531250000000002	16.5		20.818750000000005	23.4
	12.856249999999998	15.8		21.95625	23.3
	13.206249999999999	13.5		21.293750000000003	22.4
	13.212499999999997	12.7		21.8125	21.4
	13.637500000000001	16.5		21.143749999999997	21.4
	13.8375	16.2		21.5	21
	14.250000000000002	17		21.05	23.1
	14.05	16.2		22.2625	23.2
May	14.15	17.1		21.656249999999996	21.6
	14.337499999999999	17		21.63125	22.8
	15.068750000000001	18		22.53125	26.3
	15.100000000000001	19.3		23.45	26
	15.024999999999999	19.4		22.41875	25.6
	15.25	19.6		23.35625	25.5
	16.03125	21.4		23.24375	22.7
	15.506250000000001	17.1		23.54375	21
	15.306250000000002	16.5		22.375000000000004	19.6
	15.36875	17.2		22.993749999999995	23.9
	15.8125	18.3		24.2625	25.1
	16.00625	19.6		22.868750000000002	25.7
	16.00625	20.1		23.46875	25.1
	16.58125	20.4		23.531250000000004	24.5
	16.7625	21.3		23.199999999999996	29.5
	15.90625	19.5		24.143750000000004	29
	16.25	20.8		22.68125	27.7
	16.368750000000002	20.2		23.275000000000002	25.7
	16.75	17.7		23.074999999999996	21.2
	16.693749999999998	18		23.925	25.3
	16.406250000000004	18.3		24.325	19.7
	16.3375	18.5		24.275000000000002	23.6
	16.63125	18.5		23.525000000000002	22.7
	17.518749999999997	18.3		24.237499999999997	21.5
	17.493749999999995	18.6		24.0875	26.1
	17.675	19.2		24.01875	24.4
	17.968750000000004	19		24.112500000000004	23.8
	18.224999999999998	19.4		23.993750000000002	24
	18.425	19		25.112499999999997	26.9
	18.50625	20.2		25.037499999999998	25.6
	18.5	19		23.825	24.6
Jun.	18.618750000000006	17.2		24.61875	23.9
	19.09375	20.4		25.537499999999998	23.3
	18.881249999999998	19.6		26.312499999999996	24.2
	19.3875	19.6		25.19375	26.5
	19.162500000000005	21.4		25.41875	27.4
	19.025	21.2		24.587500000000006	22.9
	19.3875	21.6		25.193749999999994	30.1
	19.275000000000002	22.2		25.05625	28.2
	19.6375	20.4		25.71875	21.7
	19.675000000000004	19.9		26.262500000000003	24.1
	20.25625	19.4		26.71875	20.2
	20.625	20.7		26.037499999999998	25.5
	20.868749999999995	21.2		26.431249999999995	22.8
	20.993750000000002	21.5		27.7	25.9
	20.85625	21		26.931250000000002	26.7
	21.00625	22		27.3625	25.6
	21	21.7		26.650000000000006	26.8
	21.45625	21.1		26.968749999999996	27
	21.7125	22		27.39375	23.4
	21.856249999999996	20.3		27.45	24.6
	22.0875	21.3		27.837499999999995	26.1
	22.081250000000004	20.8		27.900000000000002	22.3
	22.125	20.6		27.500000000000004	26.7
	22.35	22.5		28.712500000000002	26.1
	22.39375	21.8		28.025000000000002	27.8
	22.375	22.9		28.137500000000003	29
	22.581249999999997	23.3		29.000000000000004	29
	22.70625	24.1		28.800000000000004	28.8
	22.7125	26.6		28.29375	31.2
	22.593750000000004	25.5		28.25625	32.7
Jul.	22.799999999999997	26		28.29375	34.4
	22.825	27.3		28.556250000000006	35.5
	22.75	26.5		28.775000000000002	31
	22.9875	25.7		29.86875	30
	23.106249999999996	25.6		28.78125	30.8
	23.318749999999998	26.3		29.55625	31.7
	23.087500000000002	26.6		29.60625	33.4
	23.325000000000003	27		29.768750000000004	35.8
	23.687499999999996	27.6		30.768749999999997	37.4
	23.78125	27.6		30.28125	33.1
	23.887500000000003	27.5		30.774999999999995	34.1
	23.793750000000003	27		30.23125	31
	23.81875	25.6		29.962500000000002	30.6
	23.862499999999997	25.1		30.7	30.6
	24.09375	26.2		30.175000000000004	34.4
	23.9125	27		31.10625	36.3
	24.443750000000005	27.3		30.843749999999996	36.5
	24.3875	27.7		31.662499999999998	36.6
	24.199999999999996	27.8		31.174999999999997	34.5
	24.29375	26		30.75625	30.6
	24.243749999999995	23.4		30.64375	30.9
	24.45	24		30.562499999999996	32.4
	24.456250000000004	26		31.193749999999998	32.9
	24.493750000000002	26.5		30.85	31.4
	24.4	25.5		31.4625	31.4
	24.51875	25.8		30.86875	30.4
	24.7125	25.5		31.218749999999996	28.8
	24.46875	23.6		31.318750000000005	28
	24.4	24.1		31.056250000000002	28.4
	24.412499999999998	24.4		30.893749999999997	31
	24.775	23.9		30.393749999999997	30.9
Aug.	24.6	24.5		29.837499999999995	29.7
	24.34375	24.6		29.881249999999998	29.9
	24.462500000000002		10	30.9625		13.1
	24.525000000000002		10.5	31.074999999999996		17.1
	24.243750000000006		10.2	30.262500000000003		15
	24.281250000000004		8.7	30.2625		15.1
	24.174999999999997		8.5	30.550000000000004		15.5
	24.400000000000002		9	30.88125		15.1
	24.7375		9.5	30.36875000000001		15.5
	24.2375		8.6	29.793750000000003		12.4
	23.981250000000003		23.9	29.59375		29.4
	23.80625		23.6	30.443749999999998		30.2
	23.575000000000003		23.5	30.137500000000006		29.6
	23.318749999999998		23.2	29.518749999999997		29.3
	23.599999999999998		23.7	29.54375		29.9
	24.00625		23.8	30.025000000000002		30
	24.018750000000004		24	30.125000000000004		30.4
	23.73125		23.7	29.418750000000006		29.3
	23.312500000000004		23.3	28.900000000000002		29
	23.237499999999997		23.2	29.224999999999998		28.9
	23.349999999999998		23.2	28.48125		28.5
	22.981250000000003		22.8	28.575		28.7
	22.675		22.6	28.693749999999998		28.8
	22.825		22.6	28.95625		28.7
	22.54375		22.6	27.76875		27.9
	22.812499999999996		22.5	28.287499999999998		28.4
	22.4625		22.1	28.818749999999998		28.6
	22.174999999999997		22	28.093749999999996		28.3
	22.1875		22.2	28.343750000000004		28.1
	22		21.9	28.6375		28.5
	22.074999999999996		21.6	28.474999999999998		28.1
Sep.	21.6875		21.3	27.687499999999996		27.3
	21.400000000000006		21.4	27.718749999999996		27.6
	21.887500000000003			27.63125
	21.9875			27.624999999999996
	21.668750000000003			27.41875
	21.381249999999998			26.756249999999998
	20.51875			26.262500000000003
	20.724999999999994			26.5375
	20.343749999999996			26.4
	19.5375			25.03125
	19.625000000000004			25.93125
	19.218750000000004			25.74375
	19.075			25.643750000000004
	19			26.568749999999998
	19.00625			25.65
	19.13125			25.656250000000004
	19.306250000000002			25.6625
	18.65			26.225
	18.425			25.98125
	18.96875			24.50625
	18.8625			25.00625
	18.112499999999997			24.862499999999997
	17.599999999999998			24.087500000000002
	17.45625			23.950000000000003
	17.537499999999998			23.593749999999996
	17.6125			23.95
	17.893749999999997			23.96875
	17.01875			24.081249999999997
	17.08125			23.806249999999995
	16.200000000000003			23.137500000000003
Oct.	16.45			22.05625
	15.781249999999998			22.65
	15.75			21.8375
	15.225000000000001			21.637500000000003
	15.881249999999998			21.55625
	15.549999999999999			21.675
	14.625			21.331249999999997
	14.524999999999999			20.906250000000004
	14.425			21.44375
	14.84375			21.031250000000007
	14.375			20.30625
	13.1375			20.54375
	12.95			20.825000000000003
	12.906250000000002			20.156249999999996
	12.974999999999998			19.518749999999997
	12.643750000000002			19.550000000000008
	12.681249999999997			19.393749999999997
	12.237499999999999			19.487500000000004
	11.950000000000001			20.074999999999992
	12.756249999999998			19.650000000000002
	11.98125			19.262500000000003
	11.49375			19.41875
	11.974999999999998			20.1625
	12.506249999999998			19.85625
	12.856250000000001			18.7
	12.137500000000001			18.51875
	11.268749999999999			18.11875
	10.625000000000002			17.275
	11.25			18.281249999999996
	10.962499999999999			17.68125
	10.656249999999998			17.525
Nov.	10.337499999999999			17.3625
	9.600000000000001			17.106250000000003
	9.6875			17.14375
	9.399999999999999			17.25625
	9.01875			16.5625
	9.1375			16.0625
	8.743749999999999			16.575000000000003
	9.837499999999999			16.59375
	9.975000000000001			16.787499999999998
	9.249999999999998			15.981250000000001
	8.431249999999999			15.3
	8.587500000000002			15.493749999999999
	8.0625			15.381250000000001
	8.36875			15.74375
	7.575			14.98125
	7.368749999999999			15.0625
	7.606250000000001			14.6375
	7.03125			14.0625
	6.3625			13.95
	6.512499999999999			13.375000000000002
	6.199999999999999			13.05
	7.125			13.187499999999998
	6.4125000000000005			13.268750000000002
	5.325			12.2125
	4.88125			12.30625
	5.075			13.181249999999999
	6.1375			13.78125
	5.612500000000001			12.4125
	5.06875			12.125
	4.80625			11.806249999999999
Dec.	4.5874999999999995			11.831249999999999
	4.7125			11.8375
	4.275			10.250000000000002
	3.5875			9.725
	3.6999999999999997			10.59375
	4.33125			10.981250000000001
	3.8125000000000004			11.068750000000001
	4.4			11.025000000000002
	4.9			11.081249999999999
	3.906249999999999			11.3875
	2.94375			10.18125
	2.9625			9.15625
	2.7312499999999997			9.38125
	2.31875			9.9
	3.1125			9.8875
	3.274999999999999			10.006250000000001
	3.0533333333333337			10.100000000000001

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

37°C

Highest Temp

23 Jul. 26

-1°C

Lowest Temp

9 Feb. 26

Seasonal Breakdown

Hottest MonthAugust31.11°C

Coldest MonthJanuary2.04°C

Wettest MonthJune17.14mm

Windiest MonthJanuary27.53km/h

Hamamatsu 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 Hamamatsu historically?

August is historically Hamamatsu's hottest month, with average maximum temperatures around 31°C. During peak heatwave events, the highest recorded temperatures have reached 40°C on 2020-08-16.

2. What is the coldest month in Hamamatsu historically?

January is Hamamatsu's coldest month, with average minimum temperatures around 2°C. The all-time record low of -4°C was recorded on 2023-01-25.

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

Hamamatsu's average annual rainfall is approximately 2383.4mm, based on records spanning 17 years.

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

Hamamatsu historically records approximately 190.2 rainy days per year. June has the highest number of rain days at an average of 20.8 days.

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

The all-time highest temperature recorded in Hamamatsu is 40°C on 2020-08-16.

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

The all-time lowest temperature recorded in Hamamatsu is -4°C on 2023-01-25.

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

Hamamatsu experiences its strongest winds during January. The historic gust record of 82.7 kph was recorded on 2018-09-30.

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

Usually, Hamamatsu's humidity peaks in July at around 80.003% and drops to its lowest in January at approximately 60.9%.

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

Hamamatsu Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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