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

Chepstow Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	4.0625	1		8.725000000000001	5.7
	3.31875	0.3		7.8875	4
	3.3937500000000003	-0.4		7.81875	3.1
	2.3625	-1		6.825	3
	2.5749999999999997	-1.1		7.737499999999999	2.4
	2.36875	-0.8		7.518750000000001	5.1
	2.9375	2.3		7.431250000000001	5.3
	3.1812500000000004	1.2		7.20625	5.9
	2.5999999999999996	2		7.206250000000002	5.2
	2.5062499999999996	-0.1		7.250000000000001	4.3
	2.9749999999999996	1.6		7.2124999999999995	11.5
	3.08125	6.3		7.874999999999999	10.4
	3.0562499999999995	3		7.156249999999999	9.4
	2.41875	1.5		7.55	5.4
Jan.	3.1	4		7.593749999999999	7.6
	2.58125	3.5		7.643749999999999	8.6
	1.7750000000000001	3.9		6.425000000000001	8
	1.3374999999999997	4.7		6.6875	6.5
	1.2687499999999998	3.7		6.1187499999999995	7.8
	0.34374999999999994	3.9		5.7	9.4
	0.53125	4.9		6.45	9.7
	2.225	3.5		7.08125	8.7
	1.8374999999999997	5		7.218749999999999	6.8
	2.35	5.7		7.9375	6.9
	2.375	4		7.95625	6.6
	2.6625	4.6		7.768750000000002	7
	2.85	3.4		8.068750000000001	9.9
	3.3375000000000004	2.4		7.79375	7.6
	3.725	2.5		8.06875	7.9
	2.2499999999999996	4.5		7.2625	8.7
	2.4374999999999996	4.6		7.6000000000000005	7.7
	3.0875000000000004	3.5		7.56875	8.8
	3.09375	4.5		8.162500000000001	7.4
	3.325	3.5		7.9875	6
	3.85	3.5		8.400000000000002	9.7
	3.2375	6.9		7.95625	10.5
	2.575	6		7.737500000000001	8
	1.7437500000000001	5.1		6.85625	10
	2.01875	3.5		6.95625	10.3
	2.6375000000000006	5.7		7.1499999999999995	9.4
	1.7375000000000003	7.5		6.425000000000001	9.5
	1.4	6.6		6.01875	10.5
	1.6374999999999997	4.6		6.425000000000001	9.7
	2.41875	2.3		7.4875	7.7
	2.6062500000000006	-1.4		8.7375	5.1
Feb.	4.19375	1.4		9.375	9.5
	3.8750000000000004	3.6		9.45	8
	4.325	-0.4		9.04375	4.8
	3.6312499999999996	0.2		8.712500000000002	3.7
	3.6625	2.1		9.218749999999998	6.7
	4.725	2.3		9.737500000000002	10.5
	4.8625	6.8		9.15625	11.6
	3.6125000000000003	8.4		9.05	11.9
	3.3249999999999997	7.8		8.91875	10.8
	3.625	7.8		9.3375	13.3
	2.93125	6.6		9.125	15.6
	2.4062499999999996	8.7		8.612499999999999	12.3
	2.025	7.2		8.29375	10.8
	2.3625	3.1		8.362500000000002	9.5
	1.99375	7.3		8.200000000000001	12
	2.5625	6.5		8.287500000000001	13.1
	2.4499999999999993	4.8		7.95	11.4
	2.53125	2.8		8.53125	13.9
	1.4375000000000002	5.3		8.606250000000001	15.1
	2.3687500000000004	5.5		8.85625	8.2
	2.18125	4		9.06875	8.7
	2.64375	6.7		9.481250000000001	12.1
	3.4	7.8		10.56875	12.6
	4.14375	4.4		10.06875	11.3
	3.4749999999999996	5.4		9.556249999999999	10.2
	3.71875	5.6		10.093749999999998	10.8
	3.41875	1.1		9.6125	7.9
	3.2624999999999993	0.6		10.293750000000001	9.1
Mar.	4.5562499999999995	1.7		11.093750000000002	9.6
	4.1187499999999995	3.4		10.78125	9.9
	3.3312499999999994	5.7		9.975000000000001	13.1
	4.04375	4.7		10.475	15.8
	3.781249999999999	2.7		10.687499999999998	14.4
	4.0562499999999995	3.5		11.0125	12.8
	4.35	4		10.800000000000002	13.2
	4.44375	3.6		11.037500000000001	13.7
	3.91875	3.4		10.812500000000002	10.8
	3.5875	6.1		10.825	13.5
	3.6937499999999996	3.1		11.981250000000001	7.6
	3.8375000000000004	2.6		11.6	9.5
	3.7	4.6		11.45625	10
	3.7062499999999994	1.1		11.14375	8.5
	4.449999999999999	0.8		11.8625	9.5
	4.58125	4.8		12.012499999999998	11.2
	4.08125	5		11.3	15.3
	3.48125	7		11.21875	11.8
	3.11875	2.3		10.943750000000001	10.7
	3.2625	6		11.55625	11.7
	3.99375	5.5		11.64375	14.7
	4.2625	2.9		11.225	10.2
	4.9625	1.6		12.6125	13.5
	3.9187499999999997	3.2		12.431250000000002	18.9
	4.1312500000000005	7.6		12.95625	19.5
	5.21875	3.6		13.375000000000004	13
	4.45625	3.5		12.856249999999998	9.7
	4.3125	4		12.6	9.5
	5.237500000000001	3.2		12.6125	10.9
	4.6187499999999995	1.1		12.600000000000001	11.2
	4.387499999999999	2.2		12.825	11
Apr.	4.6875	8		12.799999999999999	14.4
	4.7125	8		12.999999999999998	13.6
	4.9312499999999995	6.3		13.987499999999999	13.6
	4.9937499999999995	4.8		13.375000000000002	12.5
	4.73125	2.4		14.075	12.8
	5.231249999999999	1.9		14.899999999999999	12.3
	5.325	2.2		14.956249999999999	12.3
	4.9125000000000005	2		14.506250000000001	15.5
	5.9312499999999995	2.3		14.59375	16.7
	5.168750000000001	1.3		13.9625	16.7
	5.6312500000000005	3.8		13.174999999999997	17.8
	5.1625000000000005	6.5		12.618750000000002	16.4
	4.987499999999999	7.2		12.318749999999998	17.5
	5.1	6.7		12.9	12.6
	5.25625	5.4		12.9375	16.4
	5.50625	7.2		13.375000000000002	19.4
	6.512499999999999	6.8		14.025000000000002	17.1
	6.16875	7.1		13.950000000000001	16.7
	6.0125	9.2		13.762500000000001	15.9
	6.1625	9.7		13.487499999999999	14.8
	6.1125	7.2		14.893749999999999	13.7
	6.3625	7		15.025000000000002	12.8
	6.906249999999998	7		16.1625	13.4
	7.543749999999998	6.9		15.000000000000002	15.4
	7.637499999999999	6.6		15.625	17.4
	8.0375	4.5		15.743749999999999	12.8
	7.55	2.2		15.45	11.8
	7.1	2.8		14.44375	13.6
	6.96875	5.8		15.51875	12.4
	6.95	4.4		14.793750000000001	11
May	6.55	2.7		15.225	12.1
	7.41875	1.6		15.531250000000002	11.8
	6.7875000000000005	4.8		15.23125	13.2
	7.6187499999999995	7		15.899999999999999	12.2
	8.14375	9.7		16.200000000000003	15.4
	8.0875	10.9		16.650000000000002	17.4
	8.200000000000001	8.9		17.10625	19.7
	8.675	10.1		17.64375	22.1
	8.681249999999999	11.9		16.5125	21.5
	8.55625	9.9		16.612500000000004	24.3
	8.7625	15		17.068750000000005	28.7
	8.668750000000001	15.7		17.25	28.5
	8.74375	13.7		17.337500000000002	26.7
	9.518749999999999	11.2		16.9625	25
	10.143749999999999	10.9		16.906249999999996	20.5
	9.656250000000002	8.6		17.31875	20.8
	9.51875	10.2		17.925	18.3
	9.35625	10.3		18.21875	17.8
	9.7125	11.3		18.5875	16.2
	9.75625	10		18.881249999999998	17.4
	9.3625	10		17.9125	16.1
	9.1875	7.7		16.7625	15.9
	9.174999999999999	10.5		16.86875	15.6
	9.39375	10		17.075	17.7
	9.6	7.7		17.256249999999998	16.4
	9.80625	7.2		17.643749999999997	15.3
	10.01875	8.3		17.80625	14.8
	10.350000000000001	7.8		18.212500000000002	14.9
	10.5	11.5		17.987499999999997	18.5
	10.981250000000005	8.3		18.40625	18.5
	10.625	8.4		18.65	20
Jun.	10.40625	11.5		17.999999999999996	21.9
	10.46875	12.4		18.318749999999998	20.7
	11.1875	14.1		19.268750000000004	19.5
	11.431249999999997	12		18.974999999999998	21.9
	11.375000000000002	12.3		19.59375	23.6
	11.29375	13.3		19.662499999999998	20.3
	11.256250000000001	10.1		19.79375	24.9
	10.949999999999998	15.5		19.062499999999996	29.5
	10.987499999999999	16		19.218749999999996	30.5
	11.700000000000001	18		19.61875	30.6
	11.949999999999998	18.1		21.118749999999995	34.8
	12.16875	15.6		21.1375	27.4
	12.375000000000004	14.3		20.656249999999996	24.7
	12.53125	10.8		19.60625	19.9
	12.13125	10.2		19.906249999999996	21.5
	11.59375	12.8		19.75	20.7
	12.14375	11.6		19.968749999999996	22.1
	11.54375	11.8		19.34375	22.5
	11.40625	9.8		19.599999999999994	23.1
	12.15	11.7		19.306250000000002	24.5
	11.84375	13.3		19.6875	25.7
	12.018750000000002	13.1		19.98125	26.2
	12.331250000000002	12.5		20.231250000000003	28.1
	12.6625	14.9		20.299999999999997	29.2
	12.737500000000002	14.6		21.006249999999998	30.2
	13.00625	14.7		21.25	32.8
	12.937500000000002	14.9		20.925000000000004	32.1
	13.1125	13.8		21.39375	31.6
	12.775	12		20.5875	26.9
	12.75	11.9		20.39375	29.3
Jul.	12.475000000000001	14		20.056250000000002	29.5
	12.437499999999998	11.4		20.999999999999996	29.7
	13.19375	13.1		21.875	29.6
	13.837500000000002	11.3		22.593750000000007	26.8
	14.075000000000001	8.9		23.08125	25.2
	13.612499999999999	9.5		21.568749999999998	26.5
	12.9	10.5		21.156250000000004	28
	13.156249999999998	10.1		21.21875	25.7
	13.3125	12.4		21.6625	27.7
	13.75	11.3		21.23125	26.6
	13.643749999999999	11.6		22.4625	26.7
	13.6625	13.9		21.900000000000002	23.6
	13.975000000000003	10.9		21.043749999999996	26
	13.26875	15.5		20.181250000000002	27.9
	12.468750000000002	14.4		19.943749999999998	27.4
	12.681249999999997	12.9		20.024999999999995	23.9
	13.168749999999998	8.6		20.637500000000006	24.1
	13.218750000000002	9.2		21.75625	23.9
	13.581249999999997	8.8		21.106250000000003	26.9
	13.600000000000003	11.9		20.525000000000002	30.5
	13.193750000000001	15.3		20.0875	24.9
	12.368750000000002	12.3		19.856250000000003	21.2
	12.475000000000003	9.3		20.225	22.6
	12.7	7.9		20.29375	23.4
	12.549999999999999	10.1		20.818749999999998	25.6
	12.79375	12.3		20.693749999999998	27.8
	12.875000000000002	13.1		21.3125	25.2
	13.143749999999999	11.1		21.60625	29
	13.70625	12.7		22.231250000000003	33.7
	13.937500000000002	17.2		22.225	34.8
	13.543749999999998	15.5		20.90625	29.4
Aug.	13.725000000000001	13.3		21.1375	26.3
	13.05	-2.3		20.674999999999994	25.2
	12.84375	-2.7		20.38125	27.6
	12.925		15.3	20.049999999999997		23.9
	13.087500000000002		12	20.150000000000002		22.1
	13.21875		11	20.349999999999998		20.9
	13.437500000000002		11.3	20.05		20
	13.331249999999999		7.7	21.062499999999996		20.6
	13.268749999999999		8.1	20.21875		22
	12.35625		8.2	20.075		21.6
	12.212499999999999		9	20.025		22.8
	12.868749999999999		12.2	19.79375		19.5
	12.175000000000002		11.7	19.68125		19.8
	12.03125		11.7	19.625		19.4
	12.031250000000002		11	19.1		18.9
	11.293750000000001		10.6	18.6125		18.8
	10.956249999999999		10.8	18.7875		18.9
	10.775		10.9	19.387500000000003		19.7
	11.46875		11.2	19.987499999999997		19.6
	12.518750000000002		11.9	19.8		19.7
	12.556250000000002		12.1	19.725		19.3
	12.41875		11.3	19.456249999999997		19.3
	11.962499999999999		11.8	19.3		19.8
	11.99375		11.7	19.662500000000005		20.1
	11.6375		11.7	19.6625		19.7
	12.456249999999999		11.9	19.250000000000004		19.5
	12.1625		11.4	19.50625		18.7
	12.006250000000001		10.9	18.150000000000002		18
	11.075000000000001		10.7	17.8125		18.4
	10.893750000000002		10.1	17.162499999999998		17.7
	10.00625		10.2	18.225		18.4
Sep.	10.8		10.4	18.36875		18.5
	10.7125		10.3	18.2625		17.8
	10.8375		9.7	17.731250000000003		17.5
	10.5375			17.993750000000002
	10.45			18.3125
	10.7125			18.23125
	10.2625			17.825
	10.1			17.70625
	10.024999999999999			17.48125
	10.118749999999999			16.662499999999998
	9.78125			16.887500000000003
	10.1625			16.80625
	10.0875			16.750000000000004
	10.200000000000001			17.056250000000002
	9.618749999999999			17.14375
	9.775			16.525000000000002
	10.66875			16.98125
	10.15			16.56875
	10.09375			16.1375
	9.875			15.61875
	10.24375			15.800000000000002
	9.756249999999998			15.54375
	9.53125			15.55625
	9.71875			16.275
	10.34375			16.0875
	9.606250000000001			15.71875
	8.8125			14.856250000000001
	8.618749999999999			14.893750000000002
	9.31875			14.587500000000002
	8.025000000000002			13.375
Oct.	7.66875			13.643750000000002
	8.012500000000001			14.493750000000002
	9.1125			14.906250000000002
	9.4			14.381249999999998
	9.343750000000002			14.55625
	8.6			13.918750000000001
	8.700000000000001			13.83125
	7.987500000000002			13.700000000000001
	8.275			13.906249999999998
	8.675			14.0625
	7.96875			13.543750000000001
	8.10625			13.881250000000001
	8.40625			13.4625
	8.0375			13.5
	7.662499999999999			12.75
	8.4			13.287500000000001
	8.812500000000002			13.63125
	8.275			13.48125
	7.60625			12.750000000000002
	7.525			12.38125
	7.19375			11.94375
	6.3999999999999995			11.81875
	6.693750000000001			11.825000000000003
	6.2625			11.51875
	6.131249999999999			11.331249999999999
	6.725			11.275
	7.5375			11.562499999999998
	8.43125			12.518749999999999
	7.325000000000001			11.875
	7.2			11.700000000000001
	7.16875			11.01875
Nov.	6.731249999999999			11.381250000000001
	6.11875			10.45625
	6.28125			10.125
	5.83125			10.862499999999999
	5.1375			9.774999999999999
	4.8125			9.337499999999999
	4.9624999999999995			8.8
	5.01875			9.275
	4.30625			9.137500000000001
	4.018750000000001			9.206249999999999
	4.05			8.637500000000001
	4.4750000000000005			9.4625
	4.050000000000001			8.962499999999999
	3.5749999999999997			8.10625
	3.3937499999999994			8.174999999999999
	3.7062500000000003			7.831249999999999
	3.35625			7.731250000000001
	2.55625			7.593749999999999
	2.975			7.825
	2.99375			7.693749999999998
	3.4437499999999996			7.84375
	4.075			8.399999999999999
	4.25625			8.90625
	4.531249999999999			8.6375
	3.44375			8.143749999999999
	4.287499999999999			8.5125
	3.7			7.54375
	3.55			8.206249999999999
	3.5750000000000006			8.01875
	3.70625			7.68125
Dec.	4.112500000000001			8.612499999999999
	4.437499999999999			8.931249999999999
	4.66875			8.737499999999999
	4.4875			9.450000000000001
	5.23125			9.225
	4.85625			8.76875
	5.7375			9.4875
	6.0125			9.71875
	5.68125			9.5125
	5.13125			9.21875
	4.325			8.575
	4.65			8.524999999999999
	4.55			8.6625
	4.4125000000000005			8.200000000000001
	3.99375			8.425000000000002
	4.84375			9.643749999999999
	5.486666666666666			9.18

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

35°C

Highest Temp

25 Jun. 26

-3°C

Lowest Temp

17 Aug. 26

Seasonal Breakdown

Hottest MonthJuly27.07°C

Coldest MonthJanuary2.73°C

Wettest MonthFebruary3.99mm

Windiest MonthFebruary26.51km/h

Chepstow 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 Chepstow historically?

July is historically Chepstow's hottest month, with average maximum temperatures around 21°C. During peak heatwave events, the highest recorded temperatures have reached 35°C on 2022-07-18.

2. What is the coldest month in Chepstow historically?

January is Chepstow's coldest month, with average minimum temperatures around 3°C. The all-time record low of -7°C was recorded on 2013-01-25.

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

Chepstow's average annual rainfall is approximately 872.1mm, based on records spanning 17 years.

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

Chepstow historically records approximately 223.4 rainy days per year. October 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 Chepstow?

The all-time highest temperature recorded in Chepstow is 35°C on 2022-07-18.

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

The all-time lowest temperature recorded in Chepstow is -7°C on 2013-01-25.

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

Chepstow experiences its strongest winds during February. The historic gust record of 62.7 kph was recorded on 2022-02-18.

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

Usually, Chepstow's humidity peaks in December at around 86.9% and drops to its lowest in August at approximately 76.9%.

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Chepstow Historic Weather Records
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Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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