New Castle Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

New Castle Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-4.10625	-12.6		3.1875000000000004	-6.5
	-5.2250000000000005	-8.4		1.23125	-1.1
	-5.06875	-7.1		1.3875000000000002	-4.2
	-5.85625	-6.3		1.9312499999999997	-2.3
	-6.26875	-6.6		0.2062500000000001	3.8
	-7.425000000000001	1.6		-0.1187500000000001	4.3
	-8.125000000000002	0		-1.6624999999999999	2.9
	-7.55	1.2		-0.42500000000000016	6
	-7.41875	6.1		1.2749999999999997	11.2
	-6.9875	1.1		1.3937499999999998	4.1
	-4.11875	-3.3		3.6999999999999993	0.7
	-3.31875	-4.5		5.2875000000000005	1.6
	-5.731250000000001	-3.4		1.3499999999999999	3.9
	-7.56875	-5.8		0.5624999999999998	3.2
Jan.	-6.937500000000001	-10.8		0.10624999999999996	-7.1
	-7.61875	-9.4		0.7374999999999999	-2.5
	-6.7562500000000005	-7.2		1.6750000000000005	1.5
	-5.6499999999999995	-9		-0.043749999999999886	-3.1
	-5.84375	-13.7		1.3562500000000002	-5.6
	-8.437499999999998	-15.4		-0.6687499999999997	-6.3
	-9.593750000000002	-12.4		-1.8	-1.2
	-10.03125	-7.6		-0.86875	-1.2
	-6.7749999999999995	-15.4		0.6500000000000001	-6.3
	-7.431250000000001	-18		0.40624999999999994	-11.2
	-5.58125	-11.1		1.7937499999999997	-9.4
	-5.906249999999999	-14.1		1.9562499999999998	-9
	-7.362500000000002	-18.8		0.89375	-9.6
	-7.799999999999999	-20.6		0.5124999999999997	-10.6
	-7.262499999999999	-17.6		0.2937500000000001	-10.1
	-8.91875	-17.6		0.39374999999999977	-11
	-7.38125	-26.2		1.5937500000000004	-10.7
	-5.449999999999999	-16.8		2.46875	-6.5
	-6.806249999999999	-12.6		2.39375	-3.9
	-6.58125	-8.3		2.6812500000000004	-2
	-6.337500000000001	-19.5		2.8500000000000005	-6.5
	-6.1	-11.6		1.4937499999999997	-6.8
	-6.974999999999999	-12.6		2.26875	-1.7
	-6.318750000000001	-18.9		3.2437499999999995	-8.3
	-7.20625	-20.7		2.4125	-7.2
	-7.381249999999998	-22.9		1.75	-5.4
	-7.0875	-7.2		0.8999999999999998	1.7
	-6.687499999999999	-5.1		2	-0.8
	-7.23125	-7.7		1.38125	-3.5
	-8.381249999999998	-7.6		0.2749999999999999	-0.8
	-7.53125	-0.7		1.3937500000000003	1.1
Feb.	-6.7875000000000005	-0.9		2.71875	4.1
	-5.64375	-0.3		2.6312500000000005	1.9
	-7.18125	0.4		2.43125	3.7
	-5.98125	3.6		3.0250000000000004	8
	-6.45	5.6		2.96875	9.8
	-5.637499999999999	3.3		4.3375	12.6
	-4.66875	-0.7		6.0249999999999995	1.6
	-1.93125	-2.5		6.168749999999999	1.8
	-2.493750000000001	-8.2		7.45625	-1.4
	-3.5875	-9.9		6.4312499999999995	-1.4
	-4.66875	-3.1		4.00625	2.7
	-5.043749999999999	-5.7		2.84375	3.7
	-4.4624999999999995	-4.2		5.262500000000001	11.5
	-4.9625	0.4		6.112500000000001	9
	-3.5874999999999995	-6.2		7.175000000000002	0.8
	-4.8999999999999995	-7.2		4.3875	6.8
	-5.4750000000000005	-0.9		4.05625	5.8
	-4.987500000000001	1		4.6312500000000005	6
	-5.012499999999999	8.5		5.5875	14.5
	-4.8500000000000005	13		5.71875	16.1
	-3.89375	11.9		6.60625	20.6
	-3.1125000000000003	4.6		7.625000000000002	15.1
	-1.4812500000000004	4.4		9.59375	20.3
	-0.20624999999999996	12		10.637500000000001	16.8
	0.08750000000000008	9.1		9	19.3
	-2.6875000000000004	-3.8		7.606250000000001	4.5
	-2.5125	-0.4		7.800000000000001	11
	0.12499999999999997	-2.5		9.562499999999998	3.4
Mar.	-0.1812499999999998	1.4		9.656250000000002	16
	0.25625000000000014	-3.2		9.893749999999999	11.1
	-0.1499999999999998	-7.5		10.5375	-3
	0.8062499999999997	-8.7		11.09375	0.3
	-0.2187499999999999	-0.6		9.862499999999999	8.6
	0.018750000000000114	-0.2		10.1125	14.7
	0.09999999999999998	-1.6		11.893749999999999	4.1
	-0.34375	5.1		7.9	15.4
	-1.1312499999999999	0.5		10.03125	6.1
	0.7562500000000001	-5.1		11.1875	8.7
	1.4000000000000001	0.5		11.487499999999999	11.8
	-0.4374999999999999	8.8		8.9	17.2
	-1.1687499999999997	-0.6		9.44375	13.9
	0.5437500000000001	-4.9		10.06875	6.8
	1.15625	-0.7		11.987499999999997	13.3
	0.9499999999999998	6.8		11.718750000000002	9.9
	0.39375	13		12.1875	18.7
	0.6312499999999999	9		10.531249999999998	15.1
	0.925	8.1		12.35	26.1
	2.19375	17.4		13.60625	26.7
	1.93125	14.1		14.075	28.4
	2.46875	3.1		13.568750000000001	9.3
	2.075	1.5		13.656249999999998	10.9
	3.2249999999999996	-1.9		13.7625	3.4
	2.5624999999999996	-2.8		13.374999999999998	17.9
	3.225	6.8		13.718749999999998	26.3
	3.4125	9.1		15.20625	25.7
	4.050000000000001	5.1		14.137500000000001	15.2
	5.475	4.9		15.7875	27.4
	5.71875	18.4		16.68125	27.7
	5.543749999999999	15.8		17.8625	26.6
Apr.	4.74375	17.5		16.96875	28.8
	4.98125	16.9		15.318750000000003	30
	3.7437499999999995	12.3		14.218749999999998	25.5
	4.4375	9.5		16.25625	30.2
	4.5875	5.1		15.843750000000002	9.1
	4.8	0.3		16.61875	7.5
	4.543749999999999	-0.6		15.799999999999997	21.8
	3.4375	12.8		13.593749999999998	26.2
	3.75	11.2		15.65	26.8
	4.7437499999999995	13.9		15.6	28.7
	5.199999999999999	6.1		16.1	17.4
	4.14375	6.7		16.556250000000002	15.9
	4.15	6.2		16.556250000000002	26.2
	4.89375	12.7		15.51875	19.8
	5.8999999999999995	9		15.6125	16.8
	5.8062499999999995	5.2		17.812500000000004	11.5
	7.437500000000001	2.9		19.549999999999997	10.9
	9.46875	0.7		19.212500000000002	6.7
	8.925	0.6		18.55	15.8
	9.299999999999999	7		19.40625	24.8
	7.71875	13		18.862499999999997	24.7
	6.975	8.5		17.568749999999998	13.2
	7.699999999999999	4.1		18.993750000000002	14.6
	7.7250000000000005	6.3		20.11875	17.7
	7.84375	10		19.212500000000006	21.5
	7.05	7.4		19.281250000000004	18
	7.418749999999999	4.1		18.29375	17.6
	7.9937499999999995	3.3		18.981249999999996	22.8
	8.487499999999999	9.2		18.912499999999998	20.2
	9.18125	7		20.375	12.5
May	8.98125	5		20.89375	22.6
	10.200000000000001	10.4		20.568749999999998	26
	9.7	14.9		20.681250000000002	30.8
	10.012499999999998	19		21.150000000000002	33.9
	10.8	18.5		22.412499999999994	31.7
	10.468749999999998	9.7		22.406250000000004	18.1
	11.581249999999999	9.2		23.481249999999996	23.5
	11.49375	10.4		22.400000000000002	18.8
	11.10625	11.4		22.031249999999996	19.6
	10.618749999999999	13		22.3125	23.1
	11.0875	16.9		24.418749999999996	25.3
	12.699999999999998	13		24.981249999999996	29
	13.625	18.3		24.65625	29.3
	14.100000000000001	12.9		24.731250000000003	23.8
	14.55625	9.6		25.925	27.5
	14.787500000000003	10.5		25.068749999999994	23.3
	13.406250000000002	8.7		24.96875	26.2
	12.53125	9		24.025000000000002	26.3
	11.650000000000002	11.6		23.837500000000006	26.9
	12.243749999999999	10.2		23.525	28.5
	12.831249999999999	12.3		24.943749999999998	31.6
	13.437499999999998	15		24.68125	31.8
	13.49375	20.2		23.068749999999998	29.2
	12.956249999999999	17		23.88125	30.3
	12.69375	16.2		22.931249999999995	33.5
	12.931249999999999	21.5		24.087500000000002	31.6
	13.549999999999999	22.7		25.38125	33.2
	14.831250000000002	22.4		25.60625	32.1
	15.025	20.1		25.85	29.5
	14.4125	15.5		24.0875	31.4
	13.343750000000002	16.6		23.7625	30.8
Jun.	13.187500000000002	12.6		24.8375	21.2
	14.625	10.7		25.10625	26.7
	14.662500000000001	13.8		26.575000000000003	27.8
	15.725000000000001	17.6		27.337500000000002	29.1
	15.599999999999998	13.9		26.28125	24.9
	15.60625	13.6		26.71249999999999	25.5
	16.44375	12.8		27.793750000000003	27.1
	16.68125	16		27.862499999999997	22.9
	16.381249999999998	14.4		27.393749999999997	27.2
	16.19375	11.8		26.706249999999997	27.7
	15.606250000000003	16.4		26.612499999999997	27.7
	15.581249999999999	16.1		26.3	29.4
	15.937500000000004	18.2		25.631249999999998	25.9
	16.03125	18.9		26.3	28
	15.150000000000002	19.1		27.656250000000004	32.2
	16.68125	22.1		27.5	36.9
	15.94375	23.6		26.98125	38.2
	16.34375	23.2		26.843749999999996	38.3
	15.718750000000002	24.5		27.618750000000002	39.1
	16.2125	21.4		29.018749999999997	35.3
	17.21875	19.4		29.724999999999994	31.3
	18.25	20.5		29.11875	28.9
	18.26875	21.2		29.187499999999996	29.6
	17.15	19.6		27.825000000000003	31.3
	16.862499999999997	19.3		27.781250000000004	32.7
	16.924999999999997	20.8		28.493750000000002	28.5
	16.6625	18.6		28.43124999999999	30.7
	17.481250000000003	19.2		28.250000000000004	31.4
	17.76875	20.8		28.593749999999996	33.4
	17.918749999999996	19.3		28.206249999999997	35.9
Jul.	17.03125	20.9		28.7625	37
	17.8625	21.8		28.387500000000003	33.3
	17.79375	16.4		28.2875	30.1
	17.587500000000002	20.5		28.662500000000005	34
	18.41875	17.5		28.887499999999996	27.7
	18.2	12.5		29.049999999999994	29
	17.800000000000004	18.7		27.868750000000002	29.5
	16.61875	14.8		26.9625	22
	16.993750000000002	11.3		28.156249999999996	24.5
	17.318749999999998	13.1		28.15625	30.4
	16.54375	18.4		27.55625	30.5
	16.075	16		28.443750000000005	29
	17.5375	18.6		28.881249999999998	32.4
	17	20.6		27.956250000000004	27.1
	17.03125	17.7		27.062499999999996	27.1
	16.131249999999998	13.7		26.98125	30.8
	16.1	13.9		26.943749999999998	32.1
	16.73125	18.9		27.431250000000002	31.5
	16.025	21.3		27.724999999999994	26.4
	16.4125	18.5		27.54375	28.9
	16.5375	13.3		28.525000000000002	31.1
	16.8	19		27.687500000000004	32.3
	16.675	20.9		27.625000000000004	31.9
	16.75625	20.9		27.006249999999998	30.1
	16.537499999999998	20.2		26.874999999999996	30.7
	16.65	19.8		28.11875	32.3
	16.9375	20.6		28.043749999999992	30.1
	16.625	20		26.837500000000002	28.7
	16.40625	19		27.174999999999997	25.3
	16.0125	18.6		26.7375	29.5
	16.018749999999997	18.1		26.35	30.6
Aug.	15.8	17.2		26.712500000000006	27.7
	15.84375	18.9		26.5375	30.7
	16.46875	20.8		27.512500000000003	28.1
	16.60625		16.3	26.399999999999995		26.4
	15.9625		16.8	26.993749999999995		23.2
	15.837499999999999		16.6	27.237500000000004		25.1
	16.643749999999997		14	27.137500000000003		24.6
	15.531250000000002		13.3	25.549999999999997		25.2
	14.443749999999998		14.3	25.937500000000004		23
	14.987499999999999		11.9	26.63125		22.4
	14.987499999999999		12.2	26.625		23.4
	15.387500000000003		15.3	26.599999999999998		26.5
	15.7375		16.2	26.975		27.2
	16.181250000000002		16.2	27.581249999999997		27.1
	15.862499999999999		15.6	27.675		27
	15.524999999999997		14.8	26.83125		26.5
	15.28125		15.1	26.73125		26.2
	15.437500000000002		15.4	26.81875		26.4
	16		15.1	26.987500000000004		26.3
	15.818750000000003		15.3	26.624999999999996		27
	15.33125		15	26.137499999999996		25.9
	14.3		14.1	25.175		25.5
	13.856250000000001		14.2	24.875		25.4
	13.968749999999998		14.2	25.475		24.6
	13.831249999999999		13.5	24.043749999999992		23.9
	13.174999999999999		13.3	23.74375		24.1
	13.562499999999998		13.6	24.89375		25
	14.05625		13.5	24.937499999999996		24.3
	13.349999999999998		13.2	23.849999999999998		24.1
	13.056249999999999		13.5	24.174999999999997		24.2
	12.862499999999997		12.5	24.437499999999996		24
Sep.	11.975000000000001		11.6	23.70625		23.7
	11.98125		12.2	23.61875		23.8
	12.093750000000002		12.6	23.687499999999996		23.3
	12.75			24.39375
	12.94375			23.456249999999997
	12.556249999999997			24.4125
	12.737499999999999			25.44375
	13.075			23.181250000000002
	11.212500000000004			22.206249999999997
	12.062499999999998			23.09375
	12.187500000000002			22.33125
	11.80625			23.099999999999998
	12.05625			22.518749999999997
	12.012499999999998			21.36875
	11.5125			21.2875
	10.95625			19.9875
	9.8875			19.924999999999997
	10.125			20.712500000000002
	10.4625			20.287499999999998
	9.781249999999998			20.587500000000002
	9.556249999999999			20.993750000000002
	11.24375			21.53125
	10.45625			19.90625
	9.306249999999999			19.356250000000003
	8.2875			18.85625
	7.975			20.162499999999998
	8.718749999999998			19.318749999999998
	7.8500000000000005			17.825000000000003
	9.05625			18.499999999999996
	8.468750000000002			17.38125
Oct.	7.9			17.187500000000004
	6.28125			15.337499999999999
	5.41875			14.074999999999998
	5.174999999999999			14.731250000000001
	5.000000000000001			16.243750000000002
	5.731250000000001			16.19375
	6.29375			15.218749999999998
	6.143750000000001			14.9125
	5.387500000000001			15.387500000000001
	6.8687499999999995			16.224999999999998
	6.3125			15.4625
	5.74375			14.531249999999996
	5.1125			14.16875
	4.58125			13.90625
	4.13125			11.225
	4.0875			12.475
	4.98125			13.2
	3.71875			11.318749999999998
	2.4687499999999996			12.75
	2.1750000000000003			12.274999999999999
	3.13125			12.674999999999999
	4.906250000000001			13.23125
	4.1125			14.23125
	3.0124999999999997			11.924999999999997
	1.73125			11.556249999999999
	1.96875			12.29375
	1.7687499999999996			10.537500000000001
	2.43125			11.281249999999998
	1.375			9.8875
	-0.4749999999999999			7.6375
	-0.18124999999999997			7.506249999999999
Nov.	-0.44999999999999996			7.99375
	0.8			8.68125
	0.8937499999999998			8.181250000000002
	-0.40000000000000013			8.10625
	-0.675			7.45625
	-0.63125			7.343750000000002
	-0.2687499999999998			7.4937499999999995
	-0.9375000000000001			6.84375
	-1.3375000000000001			7.874999999999999
	-0.9687499999999999			7.19375
	-0.024999999999999925			7.4437500000000005
	-0.2			7.299999999999999
	0.012499999999999983			6.4624999999999995
	-1.44375			4.43125
	-2.1125			5.69375
	-1			6.9875
	-0.6375			7.15
	-0.4375			6.18125
	-1.25			5.3062499999999995
	-1.5125000000000002			5.45625
	-1.1875			6.118750000000001
	-1.93125			4.43125
	-3.625			2.38125
	-3.4249999999999994			2.9
	-2.06875			5.04375
	-2.9687500000000004			4.24375
	-2.5062499999999996			4.075
	-3.8625			3.63125
	-3.54375			3.2750000000000004
	-3.1125000000000003			3.48125
Dec.	-3.5875000000000004			3.9312499999999995
	-2.843750000000001			3.224999999999999
	-3.23125			3.4625000000000004
	-3.793750000000001			3.2250000000000005
	-4.85			2.4187499999999993
	-4.13125			2.7500000000000004
	-2.3687500000000004			4.6937500000000005
	-1.20625			4.949999999999999
	-2.8937500000000007			4.49375
	-2.8625			3.7312499999999997
	-2.8125			3.71875
	-3.10625			2.9625000000000004
	-2.71875			4.8625
	-3.20625			5.3875
	-2.40625			4.10625
	-1.99375			3.9312500000000004
	-2.7000000000000006			3.3400000000000003

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

39°C

Highest Temp

3 Jul. 26

-26°C

Lowest Temp

31 Jan. 26

Seasonal Breakdown

Hottest MonthJuly31.33°C

Coldest MonthJanuary-9.45°C

Wettest MonthMarch10.44mm

Windiest MonthMarch23.98km/h

New Castle 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 New Castle historically?

July is historically New Castle's hottest month, with average maximum temperatures around 28°C. During peak heatwave events, the highest recorded temperatures have reached 39°C on 2026-07-03.

2. What is the coldest month in New Castle historically?

January is New Castle's coldest month, with average minimum temperatures around -7°C. The all-time record low of -26°C was recorded on 2015-02-24.

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

New Castle's average annual rainfall is approximately 1353.5mm, based on records spanning 17 years.

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

New Castle historically records approximately 210.8 rainy days per year. June has the highest number of rain days at an average of 19.3 days.

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

The all-time highest temperature recorded in New Castle is 39°C on 2026-07-03.

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

The all-time lowest temperature recorded in New Castle is -26°C on 2015-02-24.

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

New Castle experiences its strongest winds during March. The historic gust record of 45.4 kph was recorded on 2026-03-13.

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

Usually, New Castle's humidity peaks in January at around 85.1% and drops to its lowest in April at approximately 76.8%.

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