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

Castlebar Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	2.974999999999999	2.3		7.6000000000000005	6.2
	3.19375	1.9		7.1	6
	3.2187500000000004	0.5		7.262500000000001	4.3
	2.95625	-0.5		6.6625000000000005	4.4
	3.16875	0.2		7.356249999999999	4.1
	2.9624999999999995	2		7.300000000000001	7.4
	3.1312500000000005	2.5		7.162499999999999	7.9
	2.2499999999999996	2		6.54375	4.8
	2.1750000000000003	0.6		6.637499999999999	5.7
	2.41875	1.4		7.6125	5.7
	3.38125	7.6		7.95625	11.7
	3.4749999999999996	5.2		7.7875000000000005	8.5
	4.1875	2.1		7.49375	5.9
	3.0562500000000004	2		7.725	7.2
Jan.	4.0062500000000005	2.3		8.156250000000002	6.3
	3.08125	0.6		7.6875	5.6
	2.750000000000001	1.3		7.1875	6.1
	2.61875	-0.5		7.3374999999999995	5.3
	1.99375	1.5		6.4937499999999995	6.8
	2.4499999999999997	1.5		6.749999999999999	8.6
	2.925	1.7		8.137500000000001	8.5
	3.2	1.6		7.8374999999999995	8.1
	2.9687499999999996	1.7		7.9624999999999995	6.2
	4.168750000000001	4.6		8.85	6.8
	4.61875	4.6		8.681249999999999	7.2
	3.01875	1.7		8.412500000000001	5.8
	3.9437500000000005	2.1		7.9437500000000005	7.4
	3.4875	3.2		8.700000000000001	8.1
	2.9312499999999995	5.5		8.418750000000001	8.1
	2.4187499999999997	4.5		7.33125	7.8
	3.225	1.3		7.668749999999998	6.7
	3.2687499999999994	1.4		8.08125	8.3
	4.3	0.9		8.443750000000001	7.6
	3.8687500000000004	4.2		8.46875	6.6
	3.2250000000000005	4.8		8.59375	8.7
	2.7875	5.4		8.3625	8.3
	2.73125	4.5		7.90625	6.5
	2.14375	5.9		7.5625	7.8
	2.35625	4.2		7.237499999999998	9.9
	2.3250000000000006	3.3		7.387499999999999	7.5
	1.9937499999999997	6.4		6.881249999999999	9.1
	1.5375	7.6		6.5062500000000005	10.2
	2.325	2.3		6.887499999999998	8.5
	3.14375	0.4		7.793749999999999	5.4
	3.6999999999999997	0		8.71875	7.1
Feb.	4.24375	3.8		8.8125	8
	4.6625	1.2		9.181249999999999	6.9
	4.3812500000000005	0.3		8.85625	4.5
	3.8249999999999997	2.2		8.54375	3.2
	4.18125	4.5		9.8875	7.6
	4.793749999999999	7.3		9.81875	9.5
	4.55	8.3		9.5125	11.6
	4.175000000000001	7.5		8.862500000000002	9.4
	3.8374999999999995	8		8.7125	11.5
	2.75	9.6		8.425	12
	2.96875	8.4		8.806249999999999	12.5
	2.8375000000000004	6.8		8.643749999999999	11.2
	2.2125	1.5		8.556249999999999	8.6
	2.2	0.3		8.7625	6.7
	2.1249999999999996	4.7		8.14375	10.3
	1.99375	4.1		7.975	10
	2.5437499999999993	1.6		7.375	9.3
	1.9374999999999998	4.4		7.806250000000001	11.8
	2.7749999999999995	1.4		8.643749999999999	7.3
	2.875	0.8		8.725	9
	3.156249999999999	5.1		8.7875	12
	3.5687500000000005	5.7		9.625	8.6
	3.325	5.5		8.81875	9.1
	3.2187500000000004	6.6		8.69375	10.9
	2.6	5.2		8.918750000000001	9.3
	3.4125	2.1		8.89375	9.9
	3.5312500000000004	1.5		9.412500000000001	8.2
	3.8562499999999997	2.1		9.58125	8.1
Mar.	3.6375	3.4		10.05	9.3
	3.5500000000000007	5.2		10.331249999999999	11.6
	3.01875	6.8		9.90625	10.7
	3.9499999999999997	5.2		9.774999999999999	8.4
	3.349999999999999	4.1		10.231250000000001	14.8
	4.375	4.2		10.475	14.2
	4.49375	3.8		10.656249999999998	13.3
	4.300000000000001	3.4		9.9875	10.7
	3.9000000000000004	2.7		9.837499999999999	10.9
	3.3249999999999997	2.8		10.35625	10.7
	3.6124999999999994	2.6		11.24375	7.5
	3.40625	3.2		10.937500000000002	10.4
	3.45625	4.2		10.443750000000001	8.9
	3.6062499999999997	3.2		10.750000000000002	7.9
	4.312499999999999	6.8		10.48125	11.4
	4.268750000000001	6.8		10.8875	12
	4.075000000000001	8.2		9.999999999999998	13
	3.575	3.1		10.487499999999999	10.5
	3.6124999999999994	2.4		10	8.5
	3.6124999999999994	3.3		10.5	9
	4.51875	2.1		10.762500000000001	9.4
	4.7625	2.4		11.137500000000001	8.3
	4.29375	3		11.393750000000002	12.6
	3.7125	6.3		11.437499999999998	14.2
	4.3062499999999995	5.2		11.881250000000001	11.9
	4.5375000000000005	2.5		11.768749999999999	7.6
	3.94375	2.2		11.80625	6.8
	4.175000000000001	3.3		11.575000000000001	8.6
	5.10625	3.1		11.6125	9.1
	4.89375	1.8		11.531250000000002	10.5
	5.106249999999999	3.9		11.44375	13
Apr.	4.2625	7.5		11.84375	12.3
	4.393750000000001	7.3		12.131249999999998	11.9
	5.375000000000001	7.2		12.26875	11.8
	5.09375	4.3		12.906249999999998	11.1
	5.4937499999999995	2.8		13.05625	12.2
	5.512499999999998	3.6		13.262500000000001	12.2
	5.275	3.6		13.8875	11.6
	5.7625	5.1		14.15	12.7
	5.837500000000001	8.2		14.056249999999997	16.6
	5.46875	6.2		12.937499999999998	17.8
	4.66875	7.9		12.56875	16.4
	4.7875	7.8		11.912500000000001	16.3
	5.43125	7.4		11.668750000000001	14
	5.20625	5.8		12.487499999999999	16.3
	4.800000000000001	4.5		13	15.6
	5.356249999999999	6.5		12.79375	15.7
	5.51875	10.2		12.625000000000002	15.8
	6.1187499999999995	6.5		13.162500000000001	14.1
	6.5	7.9		13.10625	12.6
	6.425	7		12.674999999999999	14.3
	6.612500000000001	4.9		13.09375	12
	6.05625	1.8		13.562500000000002	12.9
	6.212500000000001	3.2		13.7375	11.9
	6.06875	5.5		13.925	11.7
	6.975	3.3		13.924999999999999	10.5
	7.543750000000001	2.4		13.831249999999999	11.4
	6.874999999999999	7.8		13.15	12.1
	5.86875	7.1		13.768749999999999	12.4
	6.3999999999999995	6.9		14.5875	11.7
	6.868750000000001	4.7		14.14375	10.7
May	6.687499999999998	3.9		14.275000000000002	11.3
	6.787500000000001	6.6		13.99375	12.4
	6.918749999999999	4.4		14.518749999999999	10.3
	7.1187499999999995	2.9		13.7	12.3
	7.225	8.5		14.237500000000002	13.5
	8.106250000000001	8.2		14.912499999999998	14.7
	8.01875	12		15.0375	15.4
	7.8375	9.5		14.9	17.2
	7.76875	9.3		14.6875	15.8
	8.424999999999999	10.3		14.762500000000001	18.5
	8.55	9.4		15.281249999999996	22.5
	8.44375	11.3		15.26875	21.5
	7.956249999999998	11.3		14.79375	23.6
	7.7562500000000005	12.5		16.2125	17.6
	8.906249999999998	12.2		16.53125	17
	8.53125	11		16.50625	17.2
	8.781249999999998	10		16.425	17
	9.306249999999999	12.1		15.98125	16.2
	9.137500000000001	9.5		16.693749999999998	14.9
	9.08125	9.8		17.0125	14.4
	8.674999999999999	9		16.031249999999996	13.8
	8.44375	7.9		15.79375	13.9
	8.1	8.6		15.787499999999998	13.4
	8.499999999999998	7.2		16.349999999999998	15.7
	8.9625	5.3		16.05	13
	8.7625	6.9		16.0375	13.3
	9.575	5.9		16.187499999999996	13.7
	9.212499999999999	10		15.993750000000002	14.8
	9.393749999999999	10.3		16.06875	14.1
	9.7125	9.9		15.8875	15.4
	9.225	8.8		16.11875	19.1
Jun.	8.89375	9.2		15.975000000000001	18
	9.887500000000001	11.5		16.668749999999996	16.3
	9.781249999999998	10.8		16.549999999999997	17.1
	9.5	11		16.1875	15.3
	9.0875	10.2		16.54375	17.7
	9.25625	8		17.1125	17.3
	9.700000000000001	7.5		16.424999999999997	19.7
	9.4125	12.2		16.03125	21.8
	9.875	13		16.53125	21.8
	10.4875	12.7		16.75	22.8
	10.45	13.4		17.193749999999998	29
	10.668749999999998	13.6		17.4	20.1
	11.05625	13.5		17.9875	18.8
	11.137500000000001	9.6		16.9125	15.8
	10.731249999999998	10.7		17.56875	17.7
	10.368749999999999	12.2		16.89375	18.3
	9.949999999999998	10.4		16.21875	16.1
	9.71875	10.1		16.03125	16.7
	10.2875	9.9		17.099999999999998	19.6
	10.837500000000002	14.5		16.60625	18.3
	10.381250000000001	14		16.6	19.8
	9.993749999999999	13.1		16.475	19.4
	10.812499999999998	12.2		17.23125	22
	11.1875	11.7		17.88125	20.9
	10.75	13.8		17.599999999999998	22
	11.337500000000002	13.3		17.9125	20
	11.54375	11.6		17.71875	18.8
	10.88125	11.5		18.1875	24.2
	10.31875	13		17.81875	24.5
	10.73125	10.7		17.099999999999998	23.7
Jul.	10.762500000000001	11.9		17.2375	25.4
	11.4125	13.2		17.749999999999996	25.5
	11.9375	11.7		18.79375	19
	12.043750000000003	9.6		18.874999999999996	18.6
	11.38125	9.4		18.650000000000002	18.5
	11.281250000000002	10.9		18.3375	19.2
	11.168749999999998	12		17.4125	18.3
	11.9625	9.5		18.45625	19.3
	12.562500000000002	10.6		18.918750000000003	20.2
	12.23125	9.7		18.681250000000002	19.8
	11.700000000000001	13		18.793750000000003	16.9
	11.593749999999998	13.5		17.743749999999995	17.4
	11.46875	13.6		17.156250000000004	18.2
	11.20625	14.4		16.8	17.5
	10.856250000000003	10.4		16.74375	17.7
	11.312499999999998	9.3		16.475	16.8
	11.250000000000002	9		16.94375	16.9
	11.156249999999998	8.8		17.60625	17.7
	11.556250000000002	9.4		17.356250000000003	13.5
	11.681250000000002	11.2		16.9625	19.6
	11.18125	13.3		16.86875	18
	11.0875	9.7		16.887500000000003	15.8
	11.231250000000001	8.6		16.74375	17.5
	10.524999999999999	10.1		17.38125	18.3
	10.76875	11.4		17.15625	17.7
	11.1875	10.1		17.9375	16.1
	11.412499999999998		9.1	18.212500000000002		19.2
	11.76875		10.4	18.29375		22.6
	11.75		15.3	18.64375		23
	11.799999999999999		15.2	18.45625		23.1
	11.98125		12.7	17.58125		20.3
Aug.	11.66875		11.1	18.25625		16.6
	11.54375		11	17.9875		17.5
	11.462499999999999		10.5	17.93125		18.4
	11.91875		11.9	17.6		17.7
	11.768749999999999		11.8	17.3625		17.2
	11.737499999999999		11.6	17.51875		17.1
	12.04375		11.8	17.599999999999998		17.4
	11.54375		11.5	17.83125		17.8
	11.58125		11.2	17.137500000000003		16.8
	10.256250000000001		10.1	16.406250000000004		16.3
	10.20625		10.3	17.15		17.1
	10.343749999999998		10.4	16.94375		17.1
	10.84375		11	16.675		16.5
	10.837499999999999		10.7	16.64375		16.3
	11.025		10.7	16.4625		16.4
	9.9625		10	16.481250000000003		16.6
	9.81875		9.8	16.95625		17.1
	10.075		10.5	17.287499999999998		17.1
	10.38125		10.5	16.99375		16.6
	10.862499999999999		10.7	17.0125		16.8
	10.768749999999997		10.6	17.325		16.7
	10.812499999999998		10.8	16.3875		16.6
	10.7		11.1	16.5		16.7
	10.843750000000002		11.3	16.7625		16.9
	11.5		11.2	17.46875		16.9
	11.543750000000001		10.8	16.95		16.7
	10.5875			16.60625
	10.331249999999999			15.1
	9.25			15.143749999999999
	9.274999999999999			15.075
	9.443750000000001			15.806249999999999
Sep.	10.312499999999998			15.26875
	9.674999999999999			15.262500000000001
	9.443749999999998			15.949999999999998
	9.6125			16.14375
	9.856250000000001			16.35
	9.25			15.65
	9.20625			15.656250000000004
	9.03125			15.45
	8.643749999999999			15.143749999999999
	9.0625			14.868750000000002
	9.350000000000001			15.081249999999999
	8.893749999999999			14.53125
	8.7125			14.375000000000002
	8.925			14.875000000000002
	9.049999999999999			15.325
	8.9875			14.25625
	9.1			14.2875
	8.71875			14.124999999999998
	8.36875			14.181249999999997
	8.706249999999999			14.0125
	9.0375			13.918750000000001
	8.98125			14.318750000000001
	9.16875			14.3625
	9.41875			14.512500000000001
	9.275			14.425
	8.537500000000001			14.000000000000002
	7.106249999999999			13.637499999999998
	6.300000000000002			13.350000000000001
	6.575			13.156249999999998
	6.56875			12.475
Oct.	6.749999999999999			12.868750000000002
	6.425			12.73125
	6.5687500000000005			12.84375
	7.6499999999999995			12.60625
	8.08125			12.9875
	7.831250000000001			12.862499999999999
	8.206249999999999			12.612499999999999
	7.725			12.306249999999999
	7.975			12.174999999999999
	7.362500000000002			11.99375
	7.08125			11.725
	7.350000000000001			12
	7.281250000000001			11.95625
	7.0625			12.01875
	6.781249999999998			11.137500000000001
	7.074999999999999			12.36875
	7.4750000000000005			12.16875
	6.3500000000000005			12.118749999999999
	6.656249999999999			11.1625
	6.356250000000001			10.91875
	6.137499999999999			10.81875
	5.8500000000000005			10.69375
	6.21875			10.84375
	5.8875			10.331249999999999
	6.03125			10.875
	6.83125			11.3
	6.362500000000001			11.31875
	6.2562500000000005			10.94375
	5.906250000000002			10.53125
	5.875			10.643750000000002
	6.793750000000001			11.406249999999998
Nov.	6.700000000000001			10.7625
	5.80625			10.3375
	5.531250000000001			10.268749999999999
	5.937499999999999			9.5625
	4.418749999999999			9.618750000000002
	4.75625			8.750000000000002
	4.7625			8.5125
	3.5875			8.399999999999999
	3.6624999999999996			8.274999999999999
	3.6875			8.8375
	3.9			8.1
	4.6125			8.856250000000001
	4.0875			8.28125
	3.9250000000000003			8.04375
	2.80625			7.931250000000001
	3.93125			7.9125
	3.56875			7.737499999999999
	3.4374999999999996			8.2
	3.3			7.40625
	2.96875			6.956250000000001
	3.81875			7.937499999999999
	4.3999999999999995			8.787499999999998
	4.28125			9
	4.668749999999999			8.25
	4.199999999999999			8.25
	3.65			8.081249999999999
	3.24375			7.3625
	3.4499999999999997			7.368749999999999
	3.0125			7.1375
	3.74375			7.8625
Dec.	3.9124999999999996			8.225000000000001
	4.58125			8.79375
	4.825000000000001			8.5
	3.9937499999999995			9.343750000000002
	4.4750000000000005			8.625
	3.9374999999999996			7.9125000000000005
	4.94375			8.03125
	4.9625			8.54375
	4.3375			8.40625
	4.20625			8.08125
	4.0625			7.825
	3.9375000000000004			7.76875
	4.56875			8.274999999999999
	4.125000000000001			7.98125
	4.575			8.918750000000001
	4.6375			9.012500000000001
	5.38			8.633333333333333

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

29°C

Highest Temp

25 Jun. 26

0°C

Lowest Temp

4 Jan. 26

Seasonal Breakdown

Hottest MonthJuly19.72°C

Coldest MonthJanuary2.23°C

Wettest MonthFebruary4.64mm

Windiest MonthFebruary28.97km/h

Castlebar 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 Castlebar historically?

July is historically Castlebar's hottest month, with average maximum temperatures around 18°C. During peak heatwave events, the highest recorded temperatures have reached 29°C on 2026-06-25.

2. What is the coldest month in Castlebar historically?

January is Castlebar's coldest month, with average minimum temperatures around 3°C. The all-time record low of -11°C was recorded on 2010-12-24.

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

Castlebar's average annual rainfall is approximately 1227.8mm, based on records spanning 17 years.

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

Castlebar historically records approximately 269.4 rainy days per year. December has the highest number of rain days at an average of 23.6 days.

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

The all-time highest temperature recorded in Castlebar is 29°C on 2026-06-25.

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

The all-time lowest temperature recorded in Castlebar is -11°C on 2010-12-24.

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

Castlebar experiences its strongest winds during February. The historic gust record of 78.1 kph was recorded on 2025-01-24.

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

Usually, Castlebar's humidity peaks in December at around 86.9% and drops to its lowest in April at approximately 81.6%.

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

Castlebar Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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