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

Caerdydd Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	4.5625	1.4		9.106249999999998	6.2
	3.7375	0.5		8.349999999999998	5.1
	3.7187499999999996	-0.3		8.268749999999999	3.8
	2.975	-0.6		7.5	3.8
	3.4999999999999996	-0.7		8.087499999999999	3
	3.28125	0		8.03125	6.3
	3.9499999999999997	2.6		8	5.6
	3.7187500000000004	2.3		7.6625	5.3
	3.2625	2.7		7.5687500000000005	5.5
	3.1124999999999994	1.4		7.7875000000000005	5.4
	3.75	3.1		7.76875	11.4
	3.8125	6.8		8.4125	10
	3.675	2.7		7.6	9
	3.075	2.1		8.23125	6.2
Jan.	3.8000000000000003	3.2		8.18125	8.1
	3.0687499999999996	4.1		7.931250000000001	8.5
	2.5812499999999994	4.2		7.125	8.2
	2.2375	4.6		7.2	7.1
	1.8187500000000003	4.1		6.70625	8.2
	1.1125	4.3		6.58125	9
	1.2874999999999999	5.4		7.018750000000001	9.1
	2.9000000000000004	4		7.506250000000001	8.4
	2.63125	5.2		7.64375	7.1
	3.3687500000000004	6.4		8.174999999999999	7.6
	3.5562500000000004	4.6		8.35	6.9
	3.50625	4.9		8.2125	7.7
	3.6875000000000004	3.7		8.412500000000001	10.1
	3.79375	3.1		8.193750000000001	7.5
	3.6125	3.2		8.26875	7.7
	2.40625	5		7.362500000000001	8.4
	3.1125	5.4		7.8062499999999995	8.1
	3.6562499999999996	4.7		7.8062499999999995	8.9
	4.13125	3.7		8.46875	7.6
	3.7625	3.9		8.362499999999999	6.3
	4.31875	4.6		8.525	9.4
	3.8562499999999997	7.4		8.30625	9.9
	3.1625	6.5		7.85	7.8
	2.26875	5.7		7.13125	9.8
	2.7	4.7		7.2125	9.5
	3.1437500000000007	6		7.38125	9.2
	2.4125000000000005	7.8		6.874999999999999	9.5
	1.9312499999999997	7.2		6.45	10.4
	2.4	6.2		6.78125	9.6
	3.0500000000000003	2.9		7.824999999999999	8.3
	3.1875	0.5		8.787499999999998	5.5
Feb.	4.362499999999999	2.6		9.274999999999999	9.5
	4.4312499999999995	4.5		9.4125	7.8
	4.98125	1.5		9.06875	5.5
	4.4	1.4		8.881250000000001	3.4
	4.643750000000001	4.1		9.4625	6.9
	5.3062499999999995	3.9		9.7125	10.4
	5.4624999999999995	8.2		9.062500000000002	11
	4.2124999999999995	8.5		9.0125	11.1
	3.96875	8.3		8.9625	10.8
	4.0875	6.9		9.34375	11.8
	3.5125	6.8		8.81875	13.4
	3.1187499999999995	9.1		8.6	11.9
	2.7062500000000003	7		8.35625	10.6
	3.0437499999999997	3.8		8.343749999999998	9.1
	2.56875	7.7		8.237499999999999	11.4
	3.075	7.5		8.4	11.6
	2.93125	5.7		8.0375	9.9
	2.83125	4.6		8.53125	12.6
	2.35625	6.4		8.59375	12.8
	3.349999999999999	6.4		8.8375	8.6
	2.75625	4.4		8.71875	8.1
	3.0625000000000004	8.1		9.4625	10.7
	4.125	8.3		10.425000000000002	11.7
	4.71875	5.8		9.750000000000002	11.1
	3.9625	6.3		9.337500000000002	10
	3.9937500000000004	6.3		10.143749999999999	11
	3.9312500000000004	3		9.55625	8
	3.95	2.1		10.024999999999999	8.8
Mar.	5.168749999999999	3.6		10.66875	9.5
	4.65	5.8		10.48125	9.9
	3.7312500000000006	6.4		9.9125	11.9
	4.5562499999999995	6.5		10.325000000000001	14.2
	4.39375	4.6		10.60625	13
	4.71875	5.1		10.875000000000002	11.9
	4.768749999999999	5.3		10.631250000000001	12.1
	4.7437499999999995	5.9		10.78125	11.9
	4.45625	5.4		10.662500000000001	10.3
	4.35	7		10.61875	12.9
	4.7125	3.9		11.775	7.7
	4.38125	3.1		11.306250000000002	9.6
	4.26875	5.9		11.25625	10.3
	4.3875	2.1		10.68125	8.5
	5	2.6		11.562500000000002	9.7
	4.8	5.4		11.756250000000003	11
	4.8812500000000005	6		11.1	14.6
	4.18125	8.6		10.918750000000003	11.5
	3.8999999999999995	3.8		10.862500000000002	9.8
	3.8812499999999996	7.2		11.1	11.2
	4.6875	6.8		11.487499999999999	14.3
	4.862500000000001	4.7		11.0375	9.6
	5.5125	3.9		12.2375	12.7
	4.48125	5.2		12.0125	17.1
	4.86875	8.7		12.56875	17.4
	5.612500000000001	4.9		13.012500000000001	11.6
	5.15625	4.5		12.443749999999998	9.4
	5.15625	3.5		12.49375	9.6
	5.89375	5.1		12.268749999999999	10.2
	5.0562499999999995	3.6		12.2625	10.7
	5	4.6		12.23125	11.2
Apr.	5.44375	8.9		12.424999999999997	13.6
	5.3187500000000005	8.6		12.700000000000003	13.1
	5.525	8		13.63125	12.3
	5.7375	6.5		12.918749999999998	12.2
	5.5874999999999995	4.5		13.43125	11.7
	5.949999999999999	4.5		14.25	12.2
	6.1000000000000005	4.3		14.524999999999999	12.2
	5.725000000000001	4.6		14.049999999999999	14.8
	6.5249999999999995	5.4		14.25	15.9
	6.10625	4.5		13.637499999999998	15.6
	6.3125	6.3		12.90625	16.5
	5.95	8.5		12.48125	15.7
	5.525	9.4		12.31875	16.9
	5.893750000000001	8.1		12.59375	12.2
	5.9375	6.7		12.593749999999998	15.8
	6.34375	9		12.8625	17.7
	6.968749999999999	9		13.543750000000001	15.6
	6.8687499999999995	8.3		13.54375	14.9
	6.643749999999999	9.8		13.637500000000001	14.1
	6.856250000000001	9.9		13.025	14.4
	6.574999999999999	8.3		14.368749999999999	13.3
	7.06875	7.7		14.40625	12.2
	7.4437500000000005	7.1		15.518749999999999	13.2
	8.14375	8.2		14.38125	15
	8.293750000000001	8.2		15.018749999999997	16.8
	8.475000000000001	7.3		15.24375	12.7
	8.168750000000001	4.3		14.799999999999999	12.8
	7.4312499999999995	4.6		14.137500000000001	13.9
	7.3500000000000005	6.8		14.962500000000002	12.8
	7.6125	5.8		14.28125	11.5
May	7.187499999999999	4		14.80625	13
	8.125000000000002	3.9		15.00625	12.1
	7.393750000000001	5.8		14.89375	12.8
	8.23125	7.8		15.300000000000002	11.8
	8.41875	10.5		15.700000000000001	15.1
	8.7875	11.1		16.2625	16.2
	8.987499999999999	10.3		16.80625	18.3
	9.25625	10.9		17.35625	20.7
	9.2125	12.3		15.7375	18.9
	9.325	10.6		15.975	21
	9.2875	15		16.525	25.4
	9.36875	16.2		16.80625	25.7
	9.20625	15.6		16.6625	23.8
	9.900000000000002	12.6		16.6375	22.7
	10.481250000000003	11.1		16.73125	18.2
	10.356250000000001	9.4		16.818749999999998	18.8
	10.049999999999999	11		17.687500000000004	17
	9.9625	11.8		17.775000000000002	16.4
	10.406250000000002	11.9		18.006249999999998	16
	10.09375	11.4		18.0625	16.5
	9.9625	11.7		17.46875	15.9
	9.962499999999999	7.9		16.21875	15
	9.6	11.1		16.38125	15.1
	9.943750000000001	11.7		16.4	17
	10.1	9.7		16.631249999999998	15.1
	10.14375	9.5		17.075000000000003	14.3
	10.5875	9		17.33125	14.4
	10.8375	9.8		17.543749999999996	14.6
	10.912500000000001	13		17.36875	16.7
	11.3	9.9		17.78125	17.3
	11.087500000000002	9.7		17.9625	18
Jun.	10.906250000000002	12.8		17.4375	20.2
	11	13.5		17.737499999999997	19
	11.5125	13.6		18.21875	18.2
	11.737499999999999	12.6		18.5	20.6
	11.924999999999999	13.2		18.73125	22
	11.575000000000001	13.6		18.575	19.3
	11.731250000000001	11.9		18.85	22.3
	11.262500000000003	16		18.256249999999998	26.4
	11.512500000000001	17.2		18.45625	27.3
	12.162499999999998	18.9		18.93125	27.8
	12.287500000000003	19.2		20.09375	30
	12.662499999999998	15.4		20.306250000000002	23.4
	12.86875	14.7		19.68125	22.7
	12.893749999999999	12.5		18.956249999999997	18
	12.506250000000001	11.4		19.2	18.9
	12.2875	13.1		19.03125	19.1
	12.20625	13.3		18.868749999999995	19
	11.918749999999996	12.2		18.5625	20.6
	11.64375	11.5		18.9125	20.1
	12.537500000000001	13.3		18.2375	20.9
	12.106249999999998	14		18.874999999999996	22.2
	12.375	14		19.175	22.5
	12.76875	13.4		19.3375	23.4
	12.85625	15.2		19.587500000000002	25
	12.91875	14.3		20.1	25.5
	13.34375	16.4		20.225	29.9
	13.175	16.8		20.06875	28.4
	13.225000000000001	15.1		20.512499999999996	28.7
	13.08125	13.7		19.75	24.5
	12.9875	13.8		19.60625	26.6
Jul.	12.8125	15.9		19.418749999999996	26.5
	12.581249999999997	13.6		19.84375	26.8
	13.59375	15		20.91875	26.5
	14.2125	13.1		21.35	23.8
	14.3125	11.8		22.025	22.9
	13.65625	11.9		20.699999999999996	23.2
	13.106250000000003	12.4		20.175000000000004	24.5
	13.2625	13		20.487500000000004	22.6
	13.518749999999999	14.1		20.7	24.5
	13.79375	13.3		20.324999999999996	24.4
	13.562499999999998	12.9		21.26875	23.3
	13.40625	14.5		21.175000000000004	22.8
	13.8875	11.7		20.2125	21.9
	13.28125	16.3		19.262500000000003	24.9
	12.687500000000002	14.9		19.268749999999997	24.1
	13.03125	13		19.3125	22.7
	13.318750000000003	10.5		19.8125	21.4
	13.49375	11		20.6625	21.1
	13.731250000000001	10.5		20.224999999999998	24.8
	13.756250000000001	13.3		19.7	27.9
	13.356250000000001	15.8		19.14375	23.1
	12.7	13.7		19.081250000000004	20
	13.006250000000003	9.8		19.25	20.3
	12.7375	9.3		19.44375	21.5
	12.90625	11.5		19.731249999999996	23.8
	13.23125	14		19.931250000000002	24.4
	13.34375	13.8		20.431250000000002	23
	13.593750000000002	12.8		20.71875	26.7
	14.0625	14.6		21.1875	30.6
	14.099999999999998	18.1		21.1375	29.8
	14.206250000000002	16.1		20.18125	25.2
Aug.	13.812500000000004	14.1		20.381249999999994	24.2
	13.137500000000003		12.1	20.03125		22.1
	13.249999999999998		14.3	19.599999999999998		23.7
	13.531249999999998		16	19.0625		21.9
	13.3875		12.8	19.318749999999998		20.9
	13.518749999999999		11.3	19.668749999999996		20.2
	13.875000000000002		10.9	19.325000000000003		20.8
	13.662499999999996		9.2	20.200000000000003		19.7
	13.68125		10.9	19.4875		21.6
	12.412499999999998		12.4	19.23125		19.1
	12.35625		12.3	19.181250000000006		19.1
	12.881249999999998		12.8	19.01875		18.8
	12.399999999999999		12.4	18.95		19
	12.375		12.6	18.7		18.6
	12.39375		11.9	18.7		18.2
	11.599999999999998		11.2	18.1375		18.2
	11.262500000000001		11.8	18.206249999999997		18.3
	11.525		11.9	18.712500000000002		18.7
	12.012500000000001		12.2	19.193749999999998		19
	12.906250000000004		12.6	19.325		19.2
	12.9125		12.7	19.381249999999998		18.8
	12.606249999999998		12.3	18.91875		18.7
	12.218749999999996		12.4	18.83125		19.2
	12.3625		12.4	18.89375		19.1
	12.137499999999998		12.4	18.9125		18.9
	12.81875		12.6	18.793750000000003		18.9
	12.6625		12.2	18.825		18.2
	12.481250000000003		11.9	17.631249999999998		17.4
	11.606250000000001		11.6	17.33125		17.7
	11.524999999999999		11.3	16.9625		17.5
	10.88125		11.1	17.7		17.9
Sep.	11.2		11.2	17.812500000000004		17.7
	11.424999999999999			17.70625
	11.49375			17.399999999999995
	11.137500000000001			17.60625
	10.96875			17.81875
	11.25625			17.831249999999997
	10.612499999999999			17.424999999999997
	10.793750000000001			17.31875
	10.756250000000001			16.8125
	10.799999999999999			16.3375
	10.59375			16.575000000000003
	10.725000000000001			16.175000000000004
	10.7875			16.35625
	10.518749999999999			16.943749999999998
	10.068749999999998			16.743750000000002
	10.500000000000002			16.4375
	11.26875			16.65625
	10.6375			16.24375
	10.637500000000001			15.981250000000003
	10.456250000000002			15.512500000000001
	10.787500000000001			15.706249999999999
	10.2625			15.45625
	10.24375			15.54375
	10.34375			16.19375
	10.906250000000002			15.918750000000001
	10.262500000000001			15.6875
	9.418750000000001			14.73125
	9.1625			14.85
	9.887500000000001			14.625
	8.2625			13.525000000000002
Oct.	8.0375			13.743750000000002
	8.75625			14.575000000000001
	9.781249999999998			14.768750000000002
	10.15			14.387500000000001
	10.00625			14.54375
	9.231250000000001			14.087499999999999
	9.38125			14.193749999999998
	8.524999999999999			13.8625
	9.025			14.00625
	9.16875			14.0625
	8.762500000000001			13.5625
	8.731250000000001			14.087500000000002
	8.856250000000001			13.5
	8.862499999999999			13.6125
	8.44375			12.937499999999998
	8.95			13.5875
	9.75			13.80625
	8.875			13.56875
	8.231250000000001			12.956249999999999
	8.33125			12.63125
	7.9437500000000005			12.212500000000002
	7.225			12.225
	7.0625			12.175
	6.924999999999999			11.918750000000001
	6.8375			11.718749999999998
	7.53125			11.7875
	8.2125			11.89375
	8.881249999999998			12.774999999999999
	7.75625			12.275
	7.774999999999999			12.28125
	8.012500000000001			11.54375
Nov.	7.499999999999999			11.59375
	6.9312499999999995			10.843750000000002
	6.68125			10.656250000000002
	6.5249999999999995			11.1375
	5.7250000000000005			10.281249999999998
	5.706249999999999			9.9
	5.575			9.374999999999998
	5.518750000000001			9.71875
	4.94375			9.749999999999998
	4.756250000000001			9.806249999999999
	4.593750000000001			9.150000000000002
	5.1812499999999995			10.06875
	4.78125			9.624999999999998
	3.95			8.625
	3.9562500000000003			8.5125
	4.3375			8.46875
	3.9250000000000007			8.393749999999999
	3.2749999999999995			8.19375
	3.4125			8.45
	3.4812499999999997			8.1125
	4.04375			8.600000000000001
	4.9125			9.112499999999999
	4.9625			9.48125
	5.3125			9.1625
	4.25			8.737499999999999
	5.1812499999999995			8.962499999999999
	4.574999999999999			8.200000000000001
	4.325			8.7375
	4.18125			8.45
	4.550000000000001			8.2
Dec.	4.8687499999999995			9.23125
	5.406249999999999			9.456249999999999
	5.425			9.406249999999998
	5.34375			9.85
	5.78125			9.6875
	5.6000000000000005			8.88125
	6.475			9.8375
	6.5375			10.06875
	6.325			9.80625
	5.84375			9.6375
	4.893750000000001			8.837500000000002
	5.143749999999999			8.8375
	5.450000000000001			9.093749999999998
	4.98125			8.650000000000002
	4.85			8.7875
	5.581250000000001			9.76875
	5.973333333333334			9.520000000000001

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

31°C

Highest Temp

12 Aug. 26

-1°C

Lowest Temp

5 Jan. 26

Seasonal Breakdown

Hottest MonthAugust24.43°C

Coldest MonthJanuary3.21°C

Wettest MonthFebruary5.22mm

Windiest MonthFebruary30.42km/h

Caerdydd 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 Caerdydd historically?

July is historically Caerdydd's hottest month, with average maximum temperatures around 20°C. During peak heatwave events, the highest recorded temperatures have reached 34°C on 2022-07-18.

2. What is the coldest month in Caerdydd historically?

January is Caerdydd's coldest month, with average minimum temperatures around 3°C. The all-time record low of -10°C was recorded on 2010-12-25.

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

Caerdydd's average annual rainfall is approximately 1124.6mm, based on records spanning 17 years.

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

Caerdydd historically records approximately 231.7 rainy days per year. December has the highest number of rain days at an average of 21.06 days.

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

The all-time highest temperature recorded in Caerdydd is 34°C on 2022-07-18.

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

The all-time lowest temperature recorded in Caerdydd is -10°C on 2010-12-25.

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

Caerdydd experiences its strongest winds during December. The historic gust record of 68.8 kph was recorded on 2022-02-18.

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

Usually, Caerdydd's humidity peaks in December at around 85.2% and drops to its lowest in August at approximately 79.3%.

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Caerdydd Historic Weather Records
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Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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