Greater Sudbury Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Greater Sudbury Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-13.543750000000003	-20.7		-5.268750000000001	-11.2
	-14.725000000000003	-13.5		-6.9625	-10.1
	-14.731250000000003	-17.8		-5.675	-11.3
	-13.268749999999999	-17		-6.087499999999999	-11.6
	-14.662500000000001	-16		-7.906250000000001	-6.6
	-14.912500000000001	-6.6		-7.63125	-2.3
	-17.68125	-3.2		-8.03125	-2.3
	-15.181250000000002	-1.4		-6.86875	0.5
	-14.518749999999999	-2.7		-5.35	3.7
	-14.150000000000002	-5.9		-4.6000000000000005	-4
	-12.6	-11.3		-4.225	-5.3
	-14.112499999999997	-12		-5.6875	-1.4
	-16.19375	-4.1		-7.556250000000001	-0.3
	-16.61875	-18.6		-7.693749999999999	-0.9
Jan.	-14.162499999999998	-20.3		-6.087500000000001	-15.5
	-15.3625	-18.9		-5.40625	-9.6
	-16.762500000000003	-10.1		-6.2375	-5.1
	-16.181250000000002	-18.8		-7.062499999999999	-11.5
	-17.48125	-22.5		-8.637500000000001	-9.2
	-20.068750000000005	-28.8		-11	-12.9
	-20.56875	-14.5		-9.28125	-7.6
	-16.35	-11.7		-7.937500000000002	-7
	-15.681250000000002	-23.4		-8.49375	-15.2
	-16.650000000000002	-24.5		-6.2625	-14.6
	-14.618750000000002	-20.7		-6.1625	-11.6
	-15.562500000000004	-15.5		-6.1625	-11.1
	-15.2625	-14.8		-5.4312499999999995	-9.5
	-17.850000000000005	-15.7		-8.600000000000001	-10.4
	-18.0875	-21.2		-10.5	-16.4
	-19.3625	-22		-8.481250000000001	-14.7
	-16.98125	-17.4		-6.887499999999999	-9.6
	-16.818749999999994	-18.1		-7.78125	-5.4
	-16.849999999999998	-20.5		-7.7375	-7.9
	-16.756250000000005	-14.7		-7.2875000000000005	-7.9
	-16.75625	-15.8		-6.843750000000001	-9.5
	-16.89375	-14.8		-6.59375	-8.2
	-15.5	-20		-7.250000000000001	-5.2
	-15.349999999999998	-22.6		-7.231250000000001	-14.8
	-16.21875	-21		-6.9750000000000005	-12.4
	-15.86875	-16.1		-6.356250000000001	-7.1
	-16.7	-11.9		-6.793750000000001	-5.9
	-16.4125	-7.8		-7.668749999999999	-4.1
	-17.081249999999997	-13.7		-7.893750000000001	-5.5
	-17.44375	-14.9		-7.731250000000001	-2.6
	-17.150000000000002	-10.4		-6.3875	-2.9
Feb.	-14.60625	-5.3		-5.843749999999999	-2.9
	-15.2375	-3.1		-6.46875	-0.5
	-16.91875	-8.8		-7.2875	-1.7
	-15.325000000000001	-6.9		-5.6	-3.9
	-14.05625	-7.6		-5.15	-3.5
	-14.75	-5		-4.0375000000000005	-2.2
	-12.599999999999998	-7.5		-2.4562500000000003	-2.8
	-12.381249999999998	-5.8		-4.3687499999999995	-2
	-11.69375	-17.7		-3.6375	-6.3
	-11.268749999999999	-24.1		-3.8375	-12.3
	-14.162500000000001	-11.7		-5.218749999999999	-6.1
	-15.2	-20		-5.825000000000001	-6.6
	-11.89375	-7.6		-3.150000000000001	0.9
	-13.79375	-12.3		-4.562499999999999	1.4
	-15.018749999999999	-17.1		-5.0375000000000005	-10.8
	-15.71875	-18.6		-5.5874999999999995	-5.3
	-14.643750000000004	-8		-5.49375	1.6
	-14.45	-3.3		-4.8812500000000005	0.3
	-13.106250000000003	-6		-4.0062500000000005	-0.1
	-12.250000000000002	-7.2		-2.4437500000000005	-1.1
	-10.0625	-1.5		-1.3312500000000003	10.3
	-9.331249999999999	-7		0.30000000000000004	3.7
	-7.593749999999999	1.2		1.3999999999999997	4.1
	-6.5375	-7.2		0.35000000000000003	-0.4
	-8.418750000000001	-7.3		-0.29375000000000007	-3.9
	-10.53125	-8.7		-1.44375	-0.9
	-9.5875	-7		-0.2687500000000001	-1
	-8.0125	-9.4		1.1375	-2.1
Mar.	-7.825	-8.5		1.4250000000000003	-4.7
	-7.699999999999998	-8.5		1.49375	2.7
	-7.50625	-19		1.7062500000000003	-11.3
	-6.862499999999999	-19.4		1.40625	-4.1
	-7.6625000000000005	-4.5		1.4937500000000006	0.6
	-5.825	-3.3		2.5	1.4
	-7.45	-0.7		2.2312499999999997	1.9
	-9.5125	-6.6		0.5624999999999999	-1.6
	-9.893749999999999	-8.7		0.6062500000000001	-3
	-7.4437500000000005	-9.9		0.6999999999999998	1.4
	-8.100000000000001	-6.9		0.5687499999999999	2.3
	-8.131250000000001	-5.3		2.00625	4.2
	-7.118749999999999	-14.4		0.45625000000000016	-7.8
	-6.643750000000001	-10.4		2.56875	-3.3
	-6.306250000000001	-6.2		2.2312499999999997	5.2
	-5.6000000000000005	-0.5		3.14375	5.8
	-4.8374999999999995	-2.2		2.9312500000000004	0.1
	-5.8875	-11.8		2.9812499999999997	-3.4
	-5.44375	-11.8		3.8187500000000005	4.3
	-4.19375	-1.1		5.26875	5.6
	-5.05625	-3.4		2.45	2
	-4.9624999999999995	-3.5		3.5500000000000003	2.2
	-4.60625	-8.9		4.21875	-0.4
	-3.6874999999999996	-17.3		4.531249999999999	-2.3
	-4.3999999999999995	-13.4		5.975000000000001	4.5
	-3.6312500000000005	-3.1		5.95	10
	-3.0125	-6.9		6.2250000000000005	3.5
	-3.2312499999999993	-8.9		6.506249999999999	4.3
	-2.1437500000000003	-7.7		7.525	5.4
	-0.9375000000000001	1.1		8.712500000000002	9.2
	-2.025	0.9		8.2375	6.1
Apr.	-1.9562499999999996	1.1		6.3500000000000005	5.7
	-1.7937500000000002	2.2		7.750000000000002	11.2
	-2.0374999999999996	-0.8		7.68125	13.2
	-1.3187499999999999	-0.1		7.24375	12.8
	-1.1437499999999998	-4.1		7.912500000000001	1.4
	-1.5499999999999996	-13.8		7.574999999999999	1.2
	-1.5125	-4.7		7.04375	9.1
	-1.5999999999999999	-0.2		7.3375	18
	-2.0625000000000004	2.6		7.8812500000000005	15.8
	-1.125	1.8		9.79375	16.1
	-1.0812499999999998	4.3		8.331249999999999	16.3
	-0.61875	1.1		8.625	20.9
	-0.20625	4.1		9.674999999999999	24.8
	-0.4249999999999998	5.9		9.9625	12.7
	-0.018750000000000024	2.1		11.312500000000002	6.4
	0.5687500000000001	0.2		10.825	8
	2.3875	-0.2		11.250000000000002	5.6
	3.9750000000000005	-1.2		12.69375	6.7
	3.7375000000000003	-1.5		13.94375	13.9
	3.5374999999999996	3.3		13.54375	19
	2.8062499999999995	3		15.3625	11.1
	3.425	-0.4		14.043750000000001	9.9
	2.7375	-0.5		15.081249999999999	7
	2.45625	-0.2		14.812499999999998	10.2
	2.9562499999999994	0.2		13.762500000000001	14.9
	2.5999999999999996	1		11.775	8.6
	2.64375	-0.2		15.2125	7.8
	4.175	-0.2		15.85625	14.3
	4.925	3.7		16.425	6.9
	5.562499999999999	2.1		17.512500000000003	17.4
May	5.268750000000001	3.7		16.262500000000003	21.4
	4.75625	6.3		15.7375	23.6
	4.34375	6.2		16.00625	21.1
	4.68125	9.7		17.581249999999997	27.1
	5.7437499999999995	9.8		16.081250000000004	19.9
	6.575	3.3		18.193749999999998	12.4
	7.606249999999999	-0.1		19.593749999999996	15.7
	8.1875	3.7		17.775000000000002	19.5
	7.08125	6.2		18.593749999999996	23.2
	7.162499999999999	9.4		20.012500000000003	10.9
	8.956249999999999	9.1		19.756249999999998	20.3
	10	9.5		20.90625	29.9
	9.175	10		20.68125	20.8
	10.206249999999997	7.7		21.206249999999997	23.1
	10.268750000000002	8.5		21.806250000000002	26.2
	9.75625	5.8		21.0375	22.7
	9.393749999999999	8.2		19.606250000000003	25.5
	8.14375	6.5		19.49375	24.7
	8.16875	8.6		20.125	26.4
	8.93125	9.8		19.5375	30.3
	9.00625	11.2		18.5125	29.6
	9.387500000000003	13.1		19.64375	27.1
	9.61875	14.8		21.475000000000005	26
	10.287500000000001	11.6		20.7	28.3
	10.15625	11.1		20.993750000000002	26.7
	10.137500000000001	11.4		20.5375	31.6
	9.537499999999998	19.3		20.55	24.7
	10.481250000000001	17.7		20.374999999999996	28
	10.81875	16.4		20.51875	24.2
	10.150000000000002	13		18.89375	21.9
	8.731250000000001	9.7		20.937499999999996	19.8
Jun.	9.83125	6.5		22.0125	22.2
	10.499999999999998	8.5		22.36875	25
	10.63125	9.7		22.1875	20
	11.668750000000001	11.8		22.43125	17.2
	11.45625	11.8		23.15625	18.7
	12.0875	10.4		23.362499999999997	24
	12.38125	10		23.587500000000002	22
	12.86875	9.6		23.54375	22.1
	12.99375	9.5		23.68125	23.7
	13.149999999999999	10.1		22.731249999999996	24
	12.4875	9.1		21.950000000000003	20.3
	12.15625	12.1		22.924999999999997	24.3
	12.062500000000002	12.2		21.762499999999992	28
	12.700000000000001	13.3		22.38125	31.1
	12.4	13.9		22.8875	31.5
	13.556249999999999	19.3		23.681250000000002	31.7
	13.06875	19.1		23.56875	34.4
	12.743749999999999	19.8		24.174999999999997	32.3
	13.55	18.2		25.499999999999996	31.4
	14.162500000000003	17		25.9125	28.4
	15.062499999999998	12.2		26.318749999999998	25.6
	14.599999999999998	13.7		24.750000000000004	30.9
	13.856249999999998	15		24.412499999999998	32.3
	13.762499999999998	15.4		23.9375	31.2
	13.674999999999999	16.5		24.187499999999996	28.4
	13.868750000000002	15		25.231250000000003	28.8
	14.500000000000002	12.1		25.187499999999996	30
	14.650000000000002	13.9		24.70625	31.9
	14.575000000000003	17.1		24.49375	36.1
	14.037500000000001	22.5		25.337500000000002	37.3
Jul.	14.549999999999999	17.1		25.16875	31.2
	14.61875	13.8		24.75	28.5
	14.325000000000001	10.4		24.84375	28.4
	13.974999999999998	15.7		25.05	22.1
	14.8625	9.8		25.425	23.2
	14.437500000000002	11.7		24.825	25.4
	14.26875	13.5		24.400000000000002	24.8
	13.625	11.5		24.53125	22.9
	13.681250000000004	9.6		24.012500000000003	26.8
	14.01875	13.3		23.86875	29.6
	14.05625	11.8		24.462500000000002	26.8
	14.10625	12.8		24.5125	27.1
	14.7625	15.4		24.59375	27.5
	14.2875	16.5		24.743749999999995	23.8
	14.049999999999999	12.3		24.031250000000004	27.2
	13.0375	10.6		23.718749999999996	31.3
	13.424999999999999	16.1		23.756250000000005	32.1
	13.674999999999995	18.6		24.40625	23.5
	13.775	16		24.4375	24.8
	14.40625	11.7		24.53125	28.2
	13.818749999999998	13.4		24.081250000000004	30.8
	13.631250000000001	14.9		24.249999999999996	23.5
	13.831249999999999	17.1		23.868750000000002	29.5
	13.575	11.6		22.36875	28.7
	13.35625	16.4		23.749999999999996	26.5
	13.587499999999997	11.7		24.68125	28.2
	14.36875	15		24.243750000000002	28
	14.093750000000002	11.5		23.83125	28
	14.28125	12.6		23.281250000000004	28.1
	13.11875	11.9		22.1875	26.2
	12.881250000000001	13.1		22.625000000000004	25.1
Aug.	13.281250000000002		13.3	24.275		27.1
	13.3		14.3	25.1		19.7
	14.062500000000002		11.3	22.825000000000006		25
	12.881249999999998		12.5	22.724999999999998		24.7
	13.168750000000001		12.1	22.98125		24.2
	13.20625		8.9	24.212500000000002		22
	13.931250000000002		9.3	22.675000000000004		23.4
	12.99375		11.7	21.943750000000005		23.6
	12.64375		13.2	23.231250000000003		23.2
	13.299999999999999		13.4	23.087500000000002		23.2
	13.65		13.6	21.968750000000004		22
	13.068750000000001		12.6	22.525000000000002		22.4
	12.256250000000001		12	22.48125		21.7
	12.5		11.9	22.6		21.5
	12.450000000000001		11.9	21.425000000000004		21.4
	11.8375		11.9	22.3125		22.1
	11.7625		11.6	22.343749999999996		22
	12.05625		11.7	23.125		22.5
	12.656250000000002		12	22.375		22.6
	11.681249999999999		11.6	22.08125		22.7
	10.90625		11.4	20.95		20.7
	10.868749999999999		10.9	20.4125		20.8
	10.818749999999998		10.7	20.199999999999996		20
	10.24375		10.3	19.843750000000004		19.1
	9.693750000000001		9.6	18.1		18.1
	9.34375		9.4	18.993750000000002		19.6
	9.875		10	19.5		20
	10.050000000000002		10.2	19.481250000000003		20.1
	9.23125		10	19.09375		19.9
	9.75625		9.8	18.5875		18.5
	8.86875		8.5	19.15625		18.5
Sep.	8.225			18.51875
	8.34375			18.725
	9.6875			20.28125
	9.475000000000001			18.3125
	8.13125			17.437500000000004
	9.018749999999999			19.4125
	9.24375			19.599999999999998
	9.35625			17.25625
	9.124999999999998			16.125
	8.88125			18.06875
	9.275			17.00625
	8.84375			18.13125
	8.793750000000001			17.268749999999997
	8.69375			16.925
	6.825			15.9625
	6.387500000000002			15.275
	6.30625			15.225000000000001
	6.65			15.0875
	6.75			15.156249999999998
	6.7437499999999995			16.181250000000002
	7.1875			14.587499999999999
	6.475			15.218750000000002
	6.0562499999999995			14.243750000000002
	4.750000000000001			13.531249999999998
	5.3062499999999995			13.475000000000003
	5.04375			12.643749999999997
	4.96875			14.031249999999998
	5.6375			13.618749999999999
	5.500000000000001			12.343750000000002
	5.175			11.6625
Oct.	3.69375			10.075000000000001
	3.0374999999999996			9.25
	2.54375			8.943750000000001
	2.25625			9.59375
	3.687499999999999			11.475
	3.2875			10.487499999999999
	2.7875			9.299999999999999
	2.4187499999999997			10.462499999999999
	2.6999999999999997			9.425
	2.5624999999999996			8.774999999999999
	2.35625			8.25
	1.96875			7.9375
	1.275			7.2437499999999995
	0.21250000000000002			6.706250000000001
	-0.06250000000000006			6.637500000000001
	-0.34374999999999994			6.175
	0.69375			5.918749999999999
	-0.5562499999999999			6.35625
	-0.13749999999999996			5.975
	-0.5125			5.706250000000001
	-0.725			5.34375
	-0.08749999999999995			6.69375
	1.0374999999999999			7.3
	-0.8124999999999998			5.94375
	-1.4312500000000001			4.93125
	-1.8000000000000003			5.281249999999999
	-2.4437500000000005			3.9375
	-2.5624999999999996			4.0375000000000005
	-2.46875			3.8374999999999995
	-3.6750000000000007			2.7
	-2.9375			2.4250000000000003
Nov.	-2.66875			3.2625
	-3.0875			2.9312500000000004
	-4.106249999999999			2.6750000000000007
	-4.8			2.2375000000000007
	-4.50625			1.5499999999999998
	-5.65625			1.4375000000000002
	-4.75625			0.7749999999999999
	-6.187500000000001			0.23124999999999996
	-5.343749999999999			1.79375
	-4.7625			1.5187499999999998
	-4.7			1.56875
	-4.89375			1.075
	-7.056250000000001			-1.00625
	-8.18125			-2.26875
	-7.3625			-1.0687499999999999
	-6.29375			0.6687500000000001
	-6.137500000000001			-0.675
	-5.9937499999999995			-0.6937499999999998
	-7.10625			-1.0125
	-7.11875			-0.8624999999999998
	-6.6812499999999995			-0.01249999999999997
	-8.93125			-3.08125
	-11.16875			-4.4375
	-9.393749999999999			-2.25
	-9.581249999999999			-2.5500000000000003
	-10.412500000000001			-3.84375
	-9.731250000000001			-3.4250000000000003
	-10.93125			-3.89375
	-10.643749999999999			-4.5375000000000005
	-10.187500000000002			-3.2624999999999997
Dec.	-10.299999999999999			-2.6
	-11.312500000000002			-4.312500000000001
	-11.65625			-3.4375000000000004
	-11.137500000000001			-3.2687500000000003
	-12.3625			-4.3
	-12.318750000000001			-4.1125
	-9.73125			-3.4812499999999993
	-10.000000000000002			-3.9374999999999996
	-11.5875			-4.18125
	-10.700000000000001			-3.33125
	-10.587499999999999			-3.2312499999999993
	-11.862499999999999			-4.837499999999999
	-12.012500000000001			-3.63125
	-12.118749999999999			-3.9375000000000004
	-13.437499999999998			-6.4125000000000005
	-12.10625			-5.981249999999999
	-11.35333333333333			-4.573333333333333

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

37°C

Highest Temp

14 Jul. 26

-29°C

Lowest Temp

20 Jan. 26

Seasonal Breakdown

Hottest MonthJuly28.96°C

Coldest MonthJanuary-15.21°C

Wettest MonthMarch17.34mm

Windiest MonthMay19.61km/h

Greater Sudbury Climate Change InsightsSee how climate patterns are evolving over time. Temperature shifts, rainfall trends, and extreme events—all in one place.

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Frequently Asked Questions

1. What is the hottest month in Greater Sudbury historically?

July is historically Greater Sudbury's hottest month, with average maximum temperatures around 25°C. During peak heatwave events, the highest recorded temperatures have reached 37°C on 2026-07-14.

2. What is the coldest month in Greater Sudbury historically?

January is Greater Sudbury's coldest month, with average minimum temperatures around -16°C. The all-time record low of -35°C was recorded on 2019-01-28.

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

Greater Sudbury's average annual rainfall is approximately 1012.7mm, based on records spanning 17 years.

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

Greater Sudbury historically records approximately 190.4 rainy days per year. October has the highest number of rain days at an average of 17.6 days.

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

The all-time highest temperature recorded in Greater Sudbury is 37°C on 2026-07-14.

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

The all-time lowest temperature recorded in Greater Sudbury is -35°C on 2019-01-28.

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

Greater Sudbury experiences its strongest winds during April. The historic gust record of 40.3 kph was recorded on 2015-12-24.

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

Usually, Greater Sudbury's humidity peaks in February at around 90.8% and drops to its lowest in May at approximately 68.4%.

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Analyse hottest, coldest, windiest & wettest days