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

Guelph Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-7.400000000000001	-10.8		-0.9625000000000002	-9
	-8.481250000000001	-10.2		-2.8499999999999996	-6
	-8.775	-10.4		-2.9062499999999996	-4.4
	-8.306249999999999	-11.2		-1.9187500000000002	-6.6
	-7.9125	-7.2		-3.18125	-1
	-8.98125	-4.2		-3.25625	0.7
	-10.8875	-0.7		-3.6875	0.6
	-9.4625	-0.5		-3.5374999999999996	1
	-8.725000000000001	0.2		-1.9937499999999997	4.9
	-7.843750000000001	-1.7		-0.9687499999999999	0.4
	-6.199999999999999	-3.4		-0.06874999999999996	-0.1
	-6.14375	-4.1		0.09374999999999997	-0.5
	-8.625	-1.5		-2.2125000000000004	1.2
	-10.08125	-10.5		-3.04375	0.7
Jan.	-9.375	-13.8		-3.4687500000000004	-10.3
	-10.44375	-9.8		-2.19375	-2.4
	-9.531249999999998	-8.2		-2.21875	-0.5
	-7.2437499999999995	-14.6		-2.1375	-8.2
	-8.9125	-13.5		-2.89375	-8.1
	-11.70625	-17.1		-5.425	-11.6
	-12.55625	-14.2		-5.6625	-3.2
	-12.581250000000002	-11.2		-4.31875	-5
	-9.8875	-17.2		-3.256249999999999	-9
	-10.0375	-20.3		-3.1125000000000003	-12.6
	-8.487499999999999	-15.5		-2.1000000000000005	-8.7
	-7.906249999999998	-14.2		-2.6125	-8.9
	-8.3625	-16.5		-2.4437499999999996	-10.1
	-10.375	-17.2		-2.8562499999999993	-11.6
	-11.40625	-21.9		-3.5124999999999997	-13.4
	-12.968749999999998	-23.4		-3.7875	-13.4
	-11.3	-16.9		-2.7875	-11.5
	-10.462499999999999	-19.5		-2.8687500000000004	-3.9
	-10.3875	-18.3		-3.325	-8.1
	-9.4875	-14.5		-2.30625	-6.9
	-10.0875	-17.7		-1.7562500000000003	-7.7
	-9.974999999999998	-15.1		-3.0624999999999996	-6
	-9.424999999999997	-14.6		-3.31875	-3
	-9.15625	-22.3		-1.2500000000000002	-15.1
	-11.012499999999998	-23.3		-2.65625	-9.9
	-10.2875	-20.6		-2.7937500000000006	-8.3
	-10.424999999999999	-10.9		-3.3499999999999996	-1.4
	-10.10625	-5.4		-3.1	-2.2
	-11.593749999999998	-11.8		-2.8624999999999994	-5.9
	-12.493749999999999	-14.3		-3.7937499999999993	-1.5
	-12.39375	-2.9		-2.5375	-0.2
Feb.	-10.39375	-4.3		-2.2874999999999996	-0.9
	-10.600000000000001	-2.3		-2.59375	-0.4
	-11.9875	0.2		-3.05625	0.7
	-9.737499999999999	-2.7		-1.75	-1.2
	-9.587499999999999	-3.6		-1.1812500000000001	-1.4
	-9.481250000000001	-0.8		-0.6999999999999997	1.1
	-8.1625	-1.4		1.0750000000000004	-0.6
	-6.575	-2.2		0.45624999999999993	1.2
	-7.687500000000002	-11.1		1.125	-1
	-7.199999999999999	-15.4		0.15	-6.1
	-8.237499999999999	-7.2		-0.90625	-2
	-9.55	-11.7		-1.8	-4.2
	-7.149999999999999	-6.5		-0.024999999999999932	3.4
	-8.375	-5.1		0.75	2.4
	-8.706249999999999	-10.4		0.7125000000000004	-5.6
	-10.1375	-13.5		-1.74375	-1.8
	-9.699999999999998	-8		-1.4625000000000004	0
	-9.056249999999999	-2.9		-0.6562500000000001	3.2
	-8.831249999999997	-3.1		-0.06874999999999998	0
	-8.174999999999999	-1.2		1.0062499999999999	0.6
	-6.5249999999999995	3.6		1.4124999999999999	10.3
	-6.031249999999999	-0.7		2.8437499999999996	7.7
	-4.5125	0.8		4.3812500000000005	14.4
	-1.6625000000000003	3.7		5.54375	9.4
	-2.54375	0.6		4.05	11.9
	-5.200000000000001	-3.6		2.6374999999999993	4.2
	-5.143750000000001	-3.6		3.1312500000000005	3.6
	-3.11875	-4.9		4.268750000000001	-1.3
Mar.	-3.2875	-4.4		5.2	2.2
	-3.36875	-4.4		5.093750000000001	6.9
	-3.0875	-10.6		6.668750000000001	-7.1
	-2.16875	-8.1		6.231250000000001	-1
	-2.7562499999999996	-1.9		6.0875	2.3
	-2.71875	-1.1		6.33125	5.2
	-2.4937500000000004	-1.6		6.8	0.8
	-3.8125	0.4		3.46875	4.3
	-4.125	-3.4		3.2499999999999996	1.6
	-3.075	-6.1		5.34375	4.4
	-3.1750000000000003	-3.2		4.2562500000000005	6.8
	-3.5249999999999995	0.3		4.9312499999999995	11.1
	-3.5312499999999996	-4.1		4.4625	3.4
	-2.7625	-5.8		5.887499999999998	0.3
	-2.2624999999999997	-1.9		6.087500000000001	8.5
	-2.0875	1.9		6.7437499999999995	9.4
	-1.2249999999999999	8.2		7.818749999999999	14.6
	-1.26875	1.1		6.800000000000001	3.4
	-1.4250000000000003	-0.5		8.118749999999999	3.2
	-0.44375000000000014	3.1		8.350000000000001	19.6
	-0.8687499999999999	1.9		8.162500000000001	7.3
	-0.5562499999999999	-0.2		7.1812499999999995	4
	-0.88125	-1.3		8.03125	4.7
	-0.40000000000000024	-8.7		8.987499999999999	-1.5
	-0.4749999999999999	-8		8.706249999999999	13.3
	0.5687499999999999	0.4		9.737499999999999	21.4
	1.3625	2.9		11.337499999999999	8.5
	1.5	-0.2		10.04375	9.4
	1.8124999999999998	0.2		12.131249999999998	13.1
	2.8125	5.4		13.3625	20.2
	1.5375	10.8		12.093750000000002	22.3
Apr.	1.2437500000000001	9.5		11.3625	21.6
	1.8875000000000002	13		10.5375	19
	0.575	10.2		10.375	15.2
	1.3375	3.9		10.875	22.1
	1.24375	-0.4		11.487499999999999	8
	1.24375	-2.7		10.6875	2.7
	1.7062500000000003	-0.9		12.24375	18
	1.0125000000000002	1.9		10.68125	22.5
	1.1687499999999997	3.7		12.174999999999999	23.9
	2.425	4.4		12.275	14.2
	2.03125	4		10.5125	6.1
	1.6750000000000003	1.7		11.25	15.8
	2.2	3.3		12.456250000000002	21.4
	2.7750000000000004	10.2		13.206249999999999	15.8
	4.00625	4.3		12.23125	11.7
	3.3874999999999993	2		13.225	10.3
	5.2875	-0.1		15.00625	8.9
	7.400000000000001	-0.4		15.125	6
	6.14375	-1.2		14.78125	16.4
	6.456250000000001	4.8		15.75625	23.8
	5.875000000000001	8.8		15.656250000000002	19.2
	5.8375	2.8		15.281249999999998	9.7
	5.24375	1.4		15.624999999999996	11
	5.10625	0.7		15.687500000000002	16.4
	5.743750000000001	3.7		16.56875	18.1
	4.7749999999999995	2.1		15.475	12.2
	4.918749999999999	2.6		15.0875	12.5
	5.53125	0.2		16.26875	15.9
	6.768750000000001	5		16.968749999999996	13.2
	7.16875	4.9		17.24375	10.7
May	7.0687500000000005	2.8		17.40625	22.3
	7.2562500000000005	6.2		17.856250000000003	22.2
	6.40625	11.3		17.2125	31
	7.58125	16.3		17.6625	32.3
	7.46875	18.1		19.23125	29.4
	8.54375	4.4		19.368750000000002	12.4
	9.94375	4.1		21.068749999999998	18.7
	10.4875	3.9		18.49375	18.4
	8.975000000000001	8.8		20.031250000000004	12.1
	9.025	7.4		20.025	17
	9.962499999999999	11.5		21.668749999999996	22.5
	11.737500000000002	11.3		22.925	30.3
	11.26875	13.3		22.1125	28.6
	12.03125	9.5		20.81875	21.8
	12.262500000000001	7.4		22.3125	25.5
	12.399999999999999	7		23.756249999999998	19.4
	11.656250000000002	6.1		21.499999999999996	24.2
	10.3875	8.4		21.099999999999998	22.2
	9.431250000000002	7.4		20.225	27
	10.14375	10.1		20.7875	29.4
	10.656249999999998	9.4		21.325000000000003	30.9
	11.662500000000001	13.2		21.631249999999994	30.8
	11.375	17		20.806250000000002	26.2
	11.325000000000001	12.8		21.55625	24
	11.35625	12.3		20.625000000000004	26.5
	11.3125	13.7		20.950000000000006	29.8
	11.8625	19		21.66875	29.4
	12.468749999999998	20		22.881249999999998	31.1
	12.937500000000002	17.6		22.068749999999998	26.1
	11.2125	13.2		20.393749999999997	30.9
	10.918750000000001	12.3		20.125	20.4
Jun.	11.137500000000001	8.3		22.062499999999996	22.4
	12.200000000000001	9.5		22.518750000000004	24.2
	12.45625	11.6		23.925000000000004	21.7
	13.7	13.4		24.049999999999997	19
	13.956249999999999	11.5		23.95625	21.9
	13.85625	9.9		24.543750000000003	21.3
	14.45	9.7		25.31875	23.8
	14.975	13.2		24.84375	20
	15.018749999999999	9.8		24.606250000000006	25.2
	14.95625	10.9		23.912500000000005	24.3
	14.562500000000004	12.5		23.543749999999996	18
	14.175000000000002	14.7		22.75625	25.6
	14.024999999999999	12.1		22.925000000000004	27.3
	14.41875	12.7		23.59375	29.5
	13.55625	13.4		24.24375	31.8
	14.8875	17.3		25.062499999999996	35.7
	15.0875	22.3		24.718750000000004	36.4
	13.987500000000002	20		24.2125	35.6
	13.662499999999998	20.1		25.099999999999994	34.3
	14.60625	20.6		26.224999999999998	28.4
	16.3375	17.7		27.556249999999995	29.5
	17.10625	15.2		26.937499999999996	30.4
	16.45625	18		25.756249999999998	29.5
	15.387500000000001	14.9		25.31875	32.8
	15.531250000000002	17.1		24.800000000000004	29.4
	14.9	17.7		25.587500000000002	28.7
	15.23125	15.7		25.8125	29.4
	15.725000000000001	13.4		25.362499999999997	31
	15.8625	12.7		25.412499999999998	33.8
	15.762500000000001	18.6		26.049999999999997	37.1
Jul.	15.875	21.4		26.281250000000004	32.8
	16.58125	16.8		26.26875	28.2
	16.50625	13.6		25.2625	31.8
	16.162500000000005	17.8		26.8	29.8
	16.525	12.5		26.699999999999996	23.9
	16.900000000000002	9.7		26.01875	29.3
	16.056250000000002	17.5		25.05625	25.8
	14.975	11.6		25.0375	21.8
	15.962499999999999	8.9		25.9875	24.2
	16.068749999999998	10		25.493750000000002	27.9
	15.393749999999999	12.5		24.987500000000004	27.7
	15.175000000000004	14.2		25.724999999999998	27.4
	16.318749999999998	14		26.212500000000002	30.7
	16.106250000000003	17.3		25.656250000000004	26.1
	15.806249999999999	15.5		25.11875	27.5
	14.925	12.5		24.825	30
	14.362500000000002	9.9		24.6625	33
	15.350000000000003	17.6		24.64375	32
	15.025	17.5		25.749999999999996	20.8
	15.78125	14.9		26.10625	27.1
	16.05625	9.7		25.8875	29.8
	15.462500000000004	9.5		25.95	32.1
	15.556250000000002	15.6		24.556249999999995	29.4
	15.475000000000001	18.3		24.556250000000002	25.2
	15.325000000000001	17.8		24.756249999999998	30.1
	15.262499999999998	12.7		25.39375	30.6
	15.424999999999997	17.7		24.793750000000003	28.5
	15.512500000000001	16.3		25.25625	30.4
	15.887500000000001		16.5	24.90625		28.1
	14.787499999999998		13.2	24.581249999999997		27.5
	14.7625		12.8	24.131249999999998		24.1
Aug.	15.087499999999999		11.8	24.575000000000003		26.2
	14.906249999999998		13.8	25.275		21.9
	15.381249999999998		14.3	24.475		24.6
	14.756250000000001		13	23.88125		26.2
	14.368750000000004		14.2	24.537499999999998		24.4
	14.774999999999997		14.8	24.81875		25
	15.0625		15.1	24.068749999999998		24
	13.899999999999999		14.2	23.39375		23.5
	13.843750000000002		14.1	23.39375		23.8
	14.25		14.5	24.312499999999996		24.4
	14.55625		14.8	24.056250000000002		24
	14.918749999999998		14.5	24.10625		23.9
	13.64375		13.9	23.98125		23.8
	14.7125		14.2	24.625000000000007		23.8
	14.356250000000003		13.8	24.650000000000006		24
	13.906250000000002		13.7	23.962499999999995		23.9
	13.6875		13.9	24.46875		23.8
	14.068750000000001		13.3	24.293750000000003		23.8
	14.425		13.8	24.400000000000002		24
	14.5625		14	24.51875		24.9
	13.50625		13.7	23.425000000000004		23.1
	13.29375		13.1	22.762500000000003		23.3
	12.10625		12.6	22.468749999999996		22.6
	13.143749999999999		13.2	23.00625		22.3
	12.556249999999999		12.3	20.875		20.2
	11.55		11.7	20.39375		21.2
	12.387500000000001		12	22.331249999999997		22.3
	12.6875		12.3	22.83125		22.6
	11.5375			20.956249999999997
	11.225			21.08125
	11.043749999999998			22.049999999999997
Sep.	10.8			20.443749999999994
	10.31875			20.9
	10.9			22.450000000000003
	11.89375			21.706249999999997
	10.575			20.487500000000004
	10.475			21.431250000000002
	11.718749999999998			22.343749999999996
	11.156249999999998			20.287499999999998
	10.60625			20.743749999999995
	11.193750000000001			20.556250000000002
	11.587499999999999			20.306250000000002
	11.0125			20.325000000000003
	10.68125			20.212500000000006
	10.40625			19.325
	10.031250000000002			18.943749999999998
	9.68125			17.40625
	8.443750000000001			17.112499999999997
	8.731250000000001			17.4625
	8.412500000000001			17.562500000000004
	8.55			18.15625
	8.849999999999998			17.46875
	9.825			18.556250000000002
	9.000000000000002			17.36875
	7.93125			16.04375
	7.462499999999999			15.943749999999998
	6.787499999999999			16.5625
	7.018750000000001			16.21875
	6.63125			15.037500000000001
	7.1937500000000005			14.925
	6.43125			14.39375
Oct.	6			13.85625
	4.599999999999999			13.200000000000001
	4.518750000000001			11.131250000000001
	3.7562499999999996			12.493750000000002
	5.043749999999999			14.168750000000001
	5.75			13.71875
	5.537499999999999			12.456249999999999
	4.7437499999999995			12.568750000000001
	4.593750000000001			12.74375
	5.3999999999999995			13.0125
	4.90625			11.575
	4.10625			10.41875
	3.5			10.499999999999998
	2.6062499999999997			9.887500000000001
	2.38125			8.956249999999999
	2.6750000000000003			9.206249999999999
	3.36875			9.46875
	2.43125			8.68125
	1.5562500000000004			9.624999999999998
	1.71875			8.85625
	2.34375			9.50625
	3.0937499999999996			10.437500000000002
	3.9875000000000003			11.056249999999999
	2.1			9.418750000000001
	1.05			8.075
	0.875			8.674999999999999
	0.3124999999999999			7.36875
	1.06875			7.86875
	-0.13125000000000003			7.45625
	-1.6875000000000002			5.449999999999999
	-1.0125			4.7250000000000005
Nov.	-0.6375			5.73125
	-0.7499999999999999			5.99375
	-0.9062499999999999			5.556250000000001
	-1.8562500000000002			4.9125
	-1.73125			4.643750000000001
	-2.2187499999999996			4.2625
	-2.0187500000000003			4.6625
	-2.90625			3.7624999999999997
	-2.9875			3.9687500000000004
	-1.8625000000000003			4.481249999999999
	-1.3375			4.06875
	-0.9062499999999999			4.36875
	-1.1375000000000002			3.675
	-3.05			1.8187499999999999
	-2.9562500000000003			2.5500000000000003
	-1.725			3.9249999999999994
	-2.05625			2.7375
	-2.58125			2.7375000000000003
	-3.1312499999999996			2.7375
	-2.425			2.3687500000000004
	-2.1125000000000003			3.349999999999999
	-3.26875			1.2999999999999998
	-5.3			-1.0875
	-4.625			0.58125
	-3.35625			1.58125
	-4.362499999999999			0.7812500000000002
	-4.38125			0.5812500000000002
	-5.450000000000001			0.38125
	-4.831250000000001			0.06250000000000022
	-5.206250000000001			-0.1062499999999999
Dec.	-5.206249999999999			0.9375
	-4.850000000000001			0.09375000000000014
	-5.38125			0.26874999999999993
	-5.3125			-0.08749999999999986
	-6.2625			-0.6625000000000001
	-6.3			-0.5062499999999999
	-4.4125			0.24999999999999997
	-3.525			0.6249999999999999
	-4.831249999999999			0.84375
	-5.081249999999999			0.33125000000000016
	-4.868749999999999			0.3249999999999999
	-5.81875			-1.2125
	-5.231249999999999			0.6937500000000001
	-4.9937499999999995			0.5562500000000001
	-5.03125			0.44375
	-4.76875			-0.41250000000000026
	-5.199999999999999			-0.18000000000000013

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

37°C

Highest Temp

14 Jul. 26

-23°C

Lowest Temp

30 Jan. 26

Seasonal Breakdown

Hottest MonthJuly29.81°C

Coldest MonthJanuary-11.02°C

Wettest MonthMarch10.09mm

Windiest MonthMarch27.1km/h

Guelph 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 Guelph historically?

July is historically Guelph's hottest month, with average maximum temperatures around 26°C. During peak heatwave events, the highest recorded temperatures have reached 37°C on 2026-07-14.

2. What is the coldest month in Guelph historically?

February is Guelph's coldest month, with average minimum temperatures around -10°C. The all-time record low of -28°C was recorded on 2015-02-16.

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

Guelph's average annual rainfall is approximately 1009.9mm, based on records spanning 17 years.

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

Guelph historically records approximately 196.1 rainy days per year. June has the highest number of rain days at an average of 16.7 days.

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

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

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

The all-time lowest temperature recorded in Guelph is -28°C on 2015-02-16.

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

Guelph experiences its strongest winds during February. The historic gust record of 52.3 kph was recorded on 2018-05-04.

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

Usually, Guelph's humidity peaks in January at around 87.6% and drops to its lowest in April at approximately 75.5%.

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