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

Morriston Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	5.8375	4		9.33125	6.8
	4.91875	2.4		8.475	6.1
	4.6937500000000005	1.6		8.1875	3.9
	4.312499999999999	1.1		8.024999999999999	3.6
	4.5687500000000005	-0.6		8.28125	2.5
	4.64375	0.8		8.3375	7.5
	4.918749999999999	4.1		8.274999999999999	7.5
	4.9375	2.3		7.7875000000000005	6.1
	4.3	3.3		7.6187499999999995	5.9
	4.325	2.4		8.0875	5.3
	4.9437500000000005	5.8		8.03125	11.1
	4.893750000000001	8.1		8.387500000000001	9.7
	4.843750000000001	4		7.8687499999999995	8.7
	4.40625	3.7		8.45625	7.8
Jan.	5.10625	5.7		8.3125	8.6
	4.18125	5.8		8.18125	8.3
	4.0249999999999995	5.8		7.543750000000001	8.1
	3.7562499999999996	5.6		7.662499999999999	7.5
	2.9625	5.8		6.95	7.6
	2.4875	6.5		7.137499999999999	8.8
	2.5062500000000005	6.5		7.35	8.6
	4.35625	5.8		7.89375	8.6
	4.249999999999999	6		7.925	7.4
	4.706249999999999	6.6		8.51875	8.2
	4.8	5.7		8.50625	7.5
	4.8	5.8		8.325	7.7
	4.75	5.2		8.424999999999999	10.1
	4.86875	4.9		8.11875	7.3
	4.725	5		8.175	8
	3.7062500000000003	6.5		7.300000000000001	7.8
	3.9812499999999993	6.3		7.6875	8
	4.762500000000001	4.2		7.787500000000001	8.5
	5.187500000000001	2.7		8.181249999999999	7.1
	4.76875	4.2		8.181249999999999	6.2
	4.968749999999999	4.6		8.5	9.1
	4.800000000000001	7		8.293750000000001	9.2
	4.14375	6.7		7.9375	8.1
	3.3937500000000003	4.9		7.518749999999999	9.6
	3.5812500000000003	4.1		7.512499999999999	9
	4.0375000000000005	6.1		7.468750000000001	8.7
	3.6625	7.7		7.175000000000001	8.9
	2.8249999999999997	6.1		6.5375	9.1
	3.4499999999999997	6.4		7.00625	9.1
	4.1625	2.6		7.80625	8
	4.9	-0.3		8.7	4.7
Feb.	5.706249999999999	2.2		9.125	8.8
	5.343749999999999	3.8		9.174999999999999	7.2
	5.94375	0.8		8.831249999999999	5.4
	5.400000000000001	1.1		8.781249999999998	2.8
	5.59375	2.2		9.0625	5.7
	5.9375	3.4		9.34375	9.8
	6.08125	7.9		8.931249999999999	9.9
	5.1812499999999995	8		8.6625	10.2
	5.1000000000000005	7.9		8.76875	10
	4.862499999999999	6.6		8.95	12.1
	4.606249999999999	6.3		8.45	13.3
	4.16875	8.9		8.475	9.9
	3.9500000000000006	4.8		8.1125	9.8
	4.1125	4.2		8.35625	8.2
	3.575	7.5		8.40625	10.1
	3.9562499999999994	7.3		8.29375	12
	3.8125000000000004	5		7.9937499999999995	9.7
	3.98125	4.1		8.231250000000001	12.3
	3.575	6.7		8.487499999999999	12.8
	4.41875	4.8		8.64375	8.2
	3.575	3.1		8.5	9.2
	4.06875	7.9		9.068750000000001	10.2
	5.15	7.1		10.28125	11.4
	5.668749999999999	5.6		9.618750000000002	9.9
	4.875	5.8		9.2	9.6
	4.6937500000000005	6.4		9.775000000000002	10.2
	4.750000000000001	2.5		9.18125	6.7
	4.7875	1.2		9.562499999999998	8.1
Mar.	5.65625	3.5		10.200000000000003	9.4
	5.425000000000001	5		10.20625	8.8
	4.6	5.8		9.4625	12.5
	5.375000000000001	6.2		9.674999999999999	14.7
	5.049999999999999	4.6		10.237499999999999	13.7
	5.3875	4.7		10.34375	13
	5.581250000000001	5		10.1	13
	5.3687499999999995	5.3		10.237499999999999	12.5
	5.356249999999999	5.6		10.368749999999999	9.7
	5.4125000000000005	5.8		9.862499999999999	10.5
	5.893750000000001	3.1		11.106250000000001	6.6
	5.5	2.5		10.812499999999998	8.8
	5.437500000000001	5.9		10.762500000000001	9.5
	5.3812500000000005	1.4		10.218749999999998	7.7
	5.4937499999999995	2		10.8	9.3
	5.675	5		10.875	10.2
	5.64375	6		10.443750000000001	13.8
	5.125000000000001	7.3		10.59375	10.9
	4.800000000000001	3.5		10.55	9.3
	5.06875	7		10.568750000000001	11
	5.5687500000000005	7.1		10.837500000000002	12.8
	5.70625	5.1		10.481250000000001	9
	6.000000000000001	4.7		11.50625	11.9
	5.606249999999999	7.4		11.149999999999999	16.1
	5.868749999999999	8.9		11.975000000000001	15.5
	6.5062500000000005	4.9		12.168750000000001	10.8
	6.362500000000001	4		11.75625	8.8
	6.1125	3.1		11.75	8.6
	6.825	5.1		11.399999999999999	9.5
	6.0625	4.1		11.237499999999999	9.8
	5.94375	5		11.437500000000002	10.7
Apr.	6.425000000000001	9.4		11.66875	12.3
	6.3625	9		12.137500000000001	11.4
	6.818749999999998	8.2		12.881249999999998	11
	6.8	6.5		12.443750000000001	11.4
	6.756250000000001	4.6		12.66875	11.7
	7.025000000000001	5.8		13.80625	11.3
	7.3062499999999995	5		13.9875	12.4
	6.987500000000001	5.7		13.512499999999998	14.4
	7.818750000000001	7.4		13.79375	15.7
	7.231249999999999	5.3		13.106249999999998	15.2
	7.30625	7		12.368749999999999	15.6
	6.768750000000001	9.4		11.924999999999999	14.6
	6.63125	9		11.781250000000002	16.3
	6.79375	7.4		11.900000000000002	12.1
	6.98125	7.5		11.975	16
	7.368750000000001	10.2		12.143749999999997	17.4
	7.7	9.1		12.78125	14.1
	7.800000000000001	8.4		12.74375	14.4
	7.725	10.8		12.650000000000002	14.2
	7.78125	10.7		12.506249999999998	14.2
	7.518749999999999	9.7		13.181250000000002	12.5
	7.925000000000001	8.1		13.575000000000001	10.5
	8.125	7.3		14.412500000000001	13
	8.90625	9		13.499999999999998	14.9
	8.924999999999999	8.4		13.825	15.6
	9.28125	6.9		14.087500000000002	13.1
	8.737499999999999	5.1		13.931249999999999	12.3
	8.1125	4.9		13.631249999999996	12.8
	8.231250000000001	7.1		13.98125	11.9
	8.3375	6.3		13.45625	11.2
May	8.1125	3.9		14.037500000000001	11.1
	8.75	4.3		14.312500000000002	11.8
	8.425	5.6		13.968749999999996	12.1
	8.85625	7.7		13.956249999999999	10.8
	8.86875	10.5		14.4375	13
	9.387500000000001	11		14.99375	14.3
	9.56875	10.3		15.899999999999999	17.6
	10.149999999999999	11.6		15.95	17.7
	9.84375	10.9		14.9625	16.5
	9.962499999999999	10.2		15.20625	20.3
	10.168749999999998	14.8		15.762500000000003	23.3
	10.325	16.6		16.05625	23.5
	9.887500000000001	15.5		15.556249999999999	22.5
	10.69375	12.7		15.849999999999998	19.8
	11.08125	10.6		16.012500000000003	16.5
	10.9875	9.6		16.03125	16.5
	10.700000000000001	11.6		16.718750000000004	15.5
	10.812499999999998	12.1		16.974999999999998	14.6
	11.087499999999999	11.6		17.1125	14.5
	11.2625	10.9		17.237499999999997	14.8
	10.606250000000001	11.2		16.581249999999997	14.9
	10.75625	7.6		15.525	14
	10.474999999999998	10.9		15.693750000000003	14.8
	10.59375	11.1		15.90625	14.8
	11.1375	9.9		15.856250000000001	13.8
	10.94375	9.2		16.05625	13.4
	11.356250000000003	8.7		16.400000000000002	13.2
	11.3875	10		16.3625	14.4
	11.562499999999998	11.9		16.55	16.1
	11.7125	9.1		16.8375	15.6
	11.68125	9.8		17.062499999999996	18.9
Jun.	11.7875	13.1		16.45	18
	11.6875	13.7		16.625	16.3
	12.15	13.1		17.15	17
	12.46875	12.8		17.4	18.2
	12.400000000000002	14.4		17.65	18.3
	12.3375	13.1		17.51875	17.6
	12.293750000000001	12		17.51875	20.8
	11.84375	15.7		16.931250000000002	24.9
	12.24375	17.7		17.05625	24.7
	12.787500000000001	17		17.6125	25.2
	12.8625	19.2		18.475	28
	13.06875	14.6		19.1	19
	13.337499999999997	14.5		18.275000000000002	20.8
	13.387500000000005	12.4		17.737500000000004	16.7
	13.062499999999998	12		17.943749999999998	17.1
	13.118750000000002	13.3		17.793749999999996	17.4
	12.881249999999998	13.1		17.65625	17.6
	12.618750000000002	11.7		17.506249999999998	18.2
	12.481250000000001	11.3		17.756249999999998	17.8
	13.325	13.8		17.35	19
	12.58125	14		17.7	20.8
	12.974999999999998	13.4		17.68125	19.6
	13.181249999999999	13.6		18.14375	20.4
	13.462500000000002	14.5		18.26875	22.3
	13.812500000000002	14		18.83125	23.2
	14.200000000000001	16.4		18.91875	27.5
	14.03125	17.5		18.531250000000004	26.1
	13.774999999999997	14.6		19.087500000000002	26.3
	13.518749999999999	15		18.543749999999996	23.5
	13.581250000000004		13.9	18.075		25.6
Jul.	13.46875		15.6	18.256249999999998		27.2
	13.443750000000001		15.5	18.5		25.2
	14.131249999999998		15.8	19.275000000000002		24.5
	14.962499999999999		14	19.6625		23.9
	14.675		14.9	20.09375		24.5
	14.2625		13.7	19.225		23.9
	13.650000000000002		15.4	18.96875		23.4
	13.81875		13.4	19.08125		19.4
	14.349999999999998		14.3	19.4375		19.4
	14.387500000000001		14.3	19.093749999999996		19.2
	14.1		13.4	19.762500000000003		20.1
	14.193749999999998		13.1	19.637500000000003		19.6
	14.44375		14.1	18.799999999999997		18.5
	13.850000000000001		13.6	18.068749999999998		17.8
	13.612499999999999		12.6	18.1125		18.2
	13.737499999999999		13.7	17.79375		18.2
	13.762500000000001		13.9	18.325		18.3
	14.19375		13.2	18.931250000000002		18.9
	14.46875		14.3	18.8625		18.5
	14.487499999999999		13.1	18.587500000000002		18.5
	14.118749999999999		13.2	17.887500000000003		18
	13.66875		12.9	17.925		18.5
	14.0125		12.8	17.837500000000002		18.3
	13.5625		13.6	18.2375		18.2
	13.868749999999999		12.4	18.506249999999998		19.2
	14.1125		12.9	18.63125		19
	14.243750000000002		13.4	18.9625		19.3
	14.625000000000002		13.6	19.175		20
	14.825000000000001		14	19.556250000000002		19.8
	14.69375		14.6	19.5		19.3
	14.975000000000001			19.168750000000003
Aug.	14.374999999999998			19.00625
	14.3875			18.875000000000004
	14.212500000000002			18.65
	14.343750000000004			18.131249999999998
	14.306249999999999			17.91875
	14.493750000000002			18.412500000000005
	14.55625			17.943749999999998
	14.56875			18.61875
	14.524999999999999			18.156250000000004
	13.54375			18.1875
	13.312500000000002			18.025
	13.69375			18.13125
	13.200000000000001			17.650000000000002
	13.675000000000002			17.8375
	13.256250000000001			17.64375
	12.593749999999998			17.38125
	12.318749999999998			17.662499999999998
	12.793750000000001			17.925
	13.024999999999999			18.575000000000003
	13.79375			18.34375
	13.768749999999999			18.687500000000004
	13.73125			18.04375
	13.1875			17.69375
	13.443750000000001			18.2875
	13.312500000000004			18.093750000000004
	13.8125			17.856249999999996
	13.625000000000002			17.775000000000002
	13.45625			16.975
	12.89375			16.71875
	12.55			16.493750000000002
	12.206249999999999			16.925
Sep.	12.6625			17.087500000000002
	12.70625			17.00625
	12.65625			17.00625
	12.368749999999999			16.924999999999997
	12.168750000000001			17.006249999999998
	12.275			17.275
	12.05			17.087500000000002
	11.88125			16.387500000000003
	11.887500000000001			16.15
	11.881250000000001			15.849999999999998
	11.793750000000001			15.924999999999999
	11.8			15.543750000000003
	11.618749999999999			15.931250000000002
	11.625			16.193749999999998
	11.25625			16.187500000000004
	11.818750000000001			16.09375
	12.2625			16.037499999999998
	11.518749999999999			15.749999999999998
	11.587499999999999			15.5375
	11.575			15.175000000000002
	12.037500000000001			15.41875
	11.40625			14.9125
	11.5125			15.00625
	11.643750000000002			15.575
	11.850000000000001			15.44375
	11.4875			15.287500000000001
	10.64375			14.54375
	10.312499999999998			14.674999999999999
	10.6375			14.53125
	9.78125			13.5875
Oct.	9.343749999999998			13.8375
	10.081249999999999			14.437499999999998
	10.943750000000001			14.456249999999999
	11.200000000000001			14.118750000000002
	11.2625			14.331249999999999
	10.481249999999998			13.875
	10.606249999999998			14.05
	9.837499999999999			13.674999999999999
	10.193750000000001			13.699999999999998
	10.6375			13.725
	10.3375			13.543750000000001
	10.025			13.950000000000001
	10.20625			13.262500000000001
	9.68125			13.3625
	9.812500000000002			12.73125
	10.09375			13.5
	10.69375			13.743749999999997
	9.943749999999998			13.54375
	9.28125			13.062500000000002
	9.325000000000001			12.7625
	9.043750000000001			12.175
	8.556249999999999			12.36875
	8.46875			12.36875
	8.4125			12.025
	8.24375			11.975
	8.893749999999999			12.106250000000001
	9.30625			12.09375
	9.98125			12.768749999999999
	8.99375			12.2375
	8.85			12.287500000000001
	9.3125			11.79375
Nov.	8.64375			11.906249999999998
	8.025			11.037499999999998
	7.893750000000001			11.15
	7.7437499999999995			11.18125
	7.0375			10.5375
	6.88125			10.1625
	6.487499999999999			9.775
	6.324999999999998			9.88125
	6.125			10.08125
	6.3187500000000005			10.143749999999999
	6.38125			9.55
	6.487500000000001			10.43125
	5.9875			9.9375
	5.13125			8.9375
	5.3500000000000005			9.331249999999999
	5.8625			9.0875
	5.13125			8.906249999999998
	4.668749999999999			8.6375
	5.225			9.19375
	5.218749999999999			8.75
	5.40625			8.9875
	6.081250000000001			9.675
	6.356250000000001			9.975
	6.443749999999999			9.4875
	5.7749999999999995			9.137500000000001
	6.625000000000001			9.312499999999998
	5.7			8.812499999999998
	5.71875			9.06875
	5.2625			8.74375
	5.700000000000001			8.5625
Dec.	6.012500000000001			9.45
	6.58125			9.81875
	6.69375			9.593749999999998
	6.637499999999999			10.162500000000001
	6.85			9.9875
	6.6875			9.25
	7.6625			9.925000000000002
	7.668750000000001			10.168750000000001
	7.26875			9.9125
	6.79375			9.80625
	5.9375			9.0375
	6.2625			9.23125
	6.662499999999999			9.381250000000001
	5.9375			8.86875
	5.94375			9.325
	6.9125			10.106250000000003
	7.24			9.706666666666669

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

28°C

Highest Temp

25 Jun. 26

-1°C

Lowest Temp

5 Jan. 26

Seasonal Breakdown

Hottest MonthJuly21.72°C

Coldest MonthJanuary4.6°C

Wettest MonthJanuary5.59mm

Windiest MonthJanuary35.79km/h

Morriston 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 Morriston historically?

July is historically Morriston's hottest month, with average maximum temperatures around 19°C. During peak heatwave events, the highest recorded temperatures have reached 31°C on 2022-08-13.

2. What is the coldest month in Morriston historically?

January is Morriston's coldest month, with average minimum temperatures around 4°C. The all-time record low of -6°C was recorded on 2010-12-25.

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

Morriston's average annual rainfall is approximately 1480.3mm, based on records spanning 17 years.

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

Morriston historically records approximately 245.5 rainy days per year. December has the highest number of rain days at an average of 23.1 days.

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

The all-time highest temperature recorded in Morriston is 31°C on 2022-08-13.

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

The all-time lowest temperature recorded in Morriston is -6°C on 2010-12-25.

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

Morriston experiences its strongest winds during December. The historic gust record of 71.2 kph was recorded on 2022-02-18.

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

Usually, Morriston's humidity peaks in December at around 83.06% and drops to its lowest in April at approximately 79.5%.

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Yearly Summary 2026

Seasonal Breakdown

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