Saint John Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Saint John Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-5.4	-5.9		-0.11874999999999969	0.6
	-6.8	-11.5		-1.30625	-5.1
	-8.2	-12.7		-1.3875000000000004	-9.3
	-6.874999999999998	-13.7		0.48124999999999996	-8.1
	-7.83125	-14.5		0.26874999999999993	-8.7
	-8.231250000000001	-11.7		-2.525	0.1
	-8.7125	0.3		-2.76875	2.3
	-9.525	-1.9		-2.59375	5
	-8.2	-4.3		-0.9687499999999999	4.4
	-7.0375000000000005	0.4		1.45	6.7
	-6.55625	-1.3		0.42500000000000027	0.1
	-5.7749999999999995	-3.4		1.2249999999999996	0
	-6.218750000000001	-2.6		2.0812500000000003	3.8
	-7.90625	3.1		-0.3750000000000001	5.9
Jan.	-8.431249999999999	2		-2.65625	5.9
	-7.96875	-5.7		-0.70625	4.2
	-8.71875	-5.3		-1.0125000000000002	1.2
	-9.675	-4.4		-0.69375	1.3
	-7.393750000000001	-2.8		-0.5562500000000001	-0.7
	-8.56875	-8.9		-0.1750000000000001	-1.9
	-11.2375	-10.6		-4.406249999999999	-1.9
	-12.318750000000001	-0.7		-5.34375	3.6
	-11.031249999999998	-5.6		-2.3312500000000003	0.4
	-8.59375	-16.6		-2.05	-10.4
	-9.218750000000002	-19.2		-0.6375000000000002	-13.4
	-8.46875	-12.6		-0.7499999999999998	-6.4
	-7.63125	-10.4		1.2312499999999997	-3.6
	-7.075	-10.8		0.35624999999999996	-7.2
	-9.25625	-12.3		-2.2437500000000004	-5.3
	-9.33125	-13.3		-2.4875	-8.2
	-10.2	-14.6		-2.4	-4.2
	-10.137500000000001	-11.5		-2.6375	-6.6
	-10.056250000000002	-7.6		-2.5187500000000003	-2.7
	-9.86875	-5.2		-2.31875	-1.1
	-8.981250000000001	-4.3		-1.5875	-1.4
	-9.993750000000002	-8.8		-1.6500000000000004	-3.2
	-10.36875	-11.4		-2.4375	-5
	-9.1375	-9.7		-1.7625	-3.4
	-8.68125	-9.2		-1.4187499999999997	-4.7
	-10.031250000000002	-10.6		-3.2687500000000003	-4.3
	-8.950000000000001	-10.9		-1.5687499999999996	-0.7
	-9.1	-3.5		-2.0687500000000005	-0.4
	-9.325	-5.2		-1.4437500000000003	-0.1
	-9.2	-9.1		-2.1374999999999997	0.4
	-10.056249999999999	-6.8		-2.64375	0.8
Feb.	-10.125	-6.4		-1.1812500000000001	-0.4
	-6.19375	-5.9		1.05	-0.3
	-6.9125	-2.4		0.34375	-0.1
	-8.756249999999998	-2.7		-1.1687500000000002	4.3
	-6.825	-3.2		0.28749999999999987	3.8
	-6.6125	-4.6		-0.7062499999999998	1.2
	-7.15625	-9.5		0.53125	-3.8
	-5.8875	-7		0.9500000000000002	2.8
	-6.51875	-7.7		0.19374999999999995	-2.8
	-6.575	-4.2		0.40625	-0.2
	-5.225	-6.8		0.4437499999999999	0
	-7.80625	-4.1		-0.41874999999999996	3.6
	-8.3125	-7.4		-0.46875000000000017	0.2
	-5.918750000000001	-2.4		0.68125	2.6
	-6.474999999999999	-5.4		1.9125000000000003	1.5
	-6.95	-15.5		0.9125000000000001	-5.8
	-8.325	-8.9		-0.95	1.7
	-7.518749999999999	-0.4		-1.3124999999999998	7.2
	-6.318750000000001	-6.4		0.012499999999999956	0.7
	-5.73125	-7.2		0.6125	-3
	-4.975	-3.2		1.5312499999999998	3
	-4.95625	3.5		1.5812499999999998	4.4
	-5.00625	2.3		1.6562500000000004	7
	-4.98125	1.3		1.95625	3.3
	-3.08125	-1.6		3.4000000000000004	2.7
	-2.974999999999999	-1.8		3.7562500000000005	5.6
	-4.36875	-4.5		2.4	2.3
	-3.93125	0		2.7062500000000003	4.7
Mar.	-2.6875	-3.8		2.5	4.3
	-4.21875	0.1		2.06875	7.6
	-4.475	-1		1.9437500000000003	9.8
	-3.5125000000000006	-8.1		2.975	-1.8
	-4.693749999999999	-4.5		2.55	-0.5
	-3.26875	-2.1		3.8312500000000003	3.4
	-2.0999999999999996	-1.2		4.675	4
	-2.75	-2.7		4.8374999999999995	0.1
	-3.3874999999999993	-3.9		2.8625	1.9
	-4.1812499999999995	-4.5		3.1687500000000006	4.4
	-3.15625	0.6		3.80625	5.1
	-2.925	-0.5		3.5375	5
	-3.4187499999999993	-3.9		2.8437499999999996	4
	-2.6999999999999997	-9.6		3.55	-3.9
	-1.3937499999999998	-6.6		5.25625	1.7
	-1.1874999999999998	1.4		4.89375	4.3
	-0.9624999999999999	1.7		5.6625	6
	-0.325	-0.9		5.4	2.8
	-1.5062499999999999	-2.1		4.950000000000001	4.2
	-0.61875	-0.7		6.012499999999999	2.6
	-0.9375000000000002	-0.3		5.8	3.4
	-1.5	-0.4		4.606250000000001	5.6
	-1.2874999999999996	0.2		4.6625	6.5
	-0.4124999999999999	-1.6		5.937500000000001	6.6
	-0.15000000000000002	-2.6		5.39375	7.8
	-0.15000000000000002	-2.2		6.70625	9.5
	-0.037500000000000054	2.7		7.1625	8.2
	0.6624999999999999	1.4		8.031249999999998	9.6
	1.44375	0.4		8.26875	14.6
	2.18125	1.2		8.3375	6.1
	2.2125	3.4		9.025	14.7
Apr.	1.83125	6.7		8.66875	11.3
	1.53125	6.4		8.25625	9.4
	1.65625	4.8		8.44375	16.8
	1.33125	2.8		8.525	15.9
	2.05	3.8		8.88125	10.9
	2.13125	0.7		8.8125	6.6
	2.16875	-2.5		9.025	6
	2.2937499999999997	-2.6		9.75	9.6
	2.04375	2.2		9.30625	5.1
	2.3875	0.3		10.412500000000001	6.6
	2.34375	0.4		9.731250000000001	14.2
	2.5	2.2		9.59375	17.3
	3.24375	2.8		9.44375	18.6
	3.1374999999999993	1.6		10.04375	18.4
	2.9812499999999997	5.4		9.89375	9.6
	2.6812500000000004	3.4		9.9	13.5
	2.4125	5.5		10.456249999999999	11.9
	3.56875	2.9		11.293750000000001	13
	4.55	4.3		11.556249999999999	11.5
	4.78125	3.5		12.018750000000002	14.5
	5.2	4.3		12.774999999999997	10.1
	4.793749999999999	7.1		11.918750000000001	9.3
	4.956250000000001	6.2		12.6875	12.5
	4.53125	3.5		12.21875	13.7
	4.2875	2.1		12.131250000000001	13.5
	4.887500000000001	6.5		10.29375	10.4
	4.91875	7.6		12.543750000000001	13.6
	4.94375	4.6		12.618749999999999	13.9
	4.15625	2.8		13.393749999999999	16.4
	4.9937499999999995	6.9		12.887500000000001	20.8
May	5.95625	10		13.006250000000001	18.5
	6.38125	6.1		13.437499999999998	23.8
	6.84375	8.1		13.312499999999998	25.6
	6.262499999999999	7.7		14.524999999999999	21.6
	6.35625	7.4		14.2625	16
	7.43125	9.4		13.7125	22.7
	7.0687500000000005	5.2		14.437499999999998	18.2
	7.074999999999999	3.7		14.1375	20
	6.968749999999999	3.7		14.524999999999999	17.4
	7.00625	3.7		14.237500000000002	19.1
	7.468749999999999	7.3		15.65625	12.5
	7.549999999999998	9.6		13.718750000000002	26.9
	7.64375	10.6		15.300000000000002	21.4
	7.468750000000001	7.1		15.481250000000001	10.4
	8.137500000000001	5.7		16.356250000000003	13.9
	8.706249999999999	4.9		15.96875	13
	8.45	2.1		15.993749999999999	11.8
	8.512500000000001	3.1		16.225	16.3
	8.181249999999999	5.2		15.918750000000001	16
	7.4125000000000005	5.3		14.54375	16.8
	7.956250000000001	7.3		14.887500000000003	16.1
	8.406249999999998	8		14.60625	25.6
	8.78125	11		15.71875	23.4
	9.418750000000001	8.2		16.425	15.5
	9.856250000000001	6.6		16.849999999999998	24
	9.925	8.5		17.125	28.5
	9.73125	8.8		16.58125	20.9
	9.025	10.7		17.049999999999997	24.5
	10.024999999999999	11.8		18.262500000000003	22.7
	10.806249999999999	11.3		17.443749999999998	15.7
	9.512500000000001	10.9		15.137500000000003	15.5
Jun.	9.43125	13.1		16.91875	20.5
	9.862500000000002	13.9		17.71875	25.8
	10.31875	9.5		17.78125	23.1
	10.762500000000001	8.9		17.24375	18.4
	10.968749999999998	11.1		17.637500000000003	22.8
	11.04375	10.6		18.05	18.5
	11.681249999999999	11.8		19.531249999999996	19.7
	11.61875	11.1		19.212500000000002	22.4
	11.625	11.6		19.21875	16.2
	12.2375	14.7		18.825	25
	12.6625	12.7		19.11875	22.2
	11.843749999999998	12.5		18.68125	19.1
	11.7	10.4		18.88125	18.3
	12.312500000000002	10.3		18.418750000000003	23.3
	12.793750000000001	11.6		19.5625	21.2
	13.337499999999997	10.8		19.575	19.4
	13.193749999999998	11.1		19.856249999999996	15.2
	13.4	11.6		19.60625	23
	13.312499999999998	14		19.9375	29.6
	13.837499999999999	18.3		21.168750000000003	32.1
	13.781249999999998	12		21.9875	25.6
	13.91875	11.9		20.187500000000004	24.3
	13.65	11.7		20.518750000000004	24.4
	13.768749999999999	10.6		20.25625	27.2
	13.687499999999998	10.4		20.54375	18.7
	13.637500000000001	13.4		21.00625	24.6
	14.199999999999998	14.9		20.518749999999997	27.5
	14.41875	13.7		21.04375	24.8
	14.14375	11.6		21.3375	23.5
	14.018750000000002	13.5		21.175000000000008	19.6
Jul.	14.55	13.1		21.5375	31.2
	14.64375	14.4		21.706249999999997	28.7
	14.88125	11.4		20.931250000000002	26.3
	15.162500000000001	11.3		21.849999999999998	23
	14.925	14		21.6375	22.9
	15.031249999999998	12.5		22.599999999999998	24.8
	14.956249999999997	11.2		21.593749999999996	24.3
	14.8	14.8		21.98125	18.7
	14.612499999999999	14.1		21.593750000000004	21.4
	15.0125	11.2		20.712499999999995	21.9
	14.79375	9.9		20.868750000000002	21.4
	14.850000000000003	10.8		21.63125	23.8
	14.60625	11.8		21.325000000000003	27.9
	14.94375	12		22.2875	23.2
	14.86875	13.4		21.950000000000003	24.6
	14.6125	16.5		21.93125	20
	14.8375	16.5		22.349999999999998	22.6
	14.531250000000002	15.2		22.04375	22
	14.799999999999999	12.9		21.218750000000004	17.4
	14.924999999999997	16.2		21.806249999999995	20.8
	14.825000000000001	16		21.137499999999996	28.3
	15.068750000000001	14.8		22.06875	26.1
	15.243749999999999	13.2		22.31875	23.2
	14.968749999999998	12.5		22.212500000000002	26.9
	14.524999999999997	14.6		21.187500000000004	19.1
	14.73125		15.9	20.85		24.3
	14.175		15.3	21.418749999999996		25.9
	14.2125		15.3	21.118749999999995		22.4
	15.049999999999999		13.2	21.23125		23.5
	14.60625		11.7	21.7375		19.8
	15.350000000000001		11.5	22.087499999999995		19.1
Aug.	15.075000000000001		11.1	21.9375		19.6
	14.40625		10.2	21.68125		19.5
	14.29375		14.6	21.118750000000002		21
	14.293750000000001		14.4	20.525		21
	14.525000000000002		14.9	21.19375		21.4
	15.30625		15.2	22.093750000000004		21.9
	14.993749999999999		15	22.20625		22.1
	14.84375		15	22.0625		22.2
	14.506249999999998		14.6	21.093750000000004		21.2
	13.906250000000002		14.3	21.256249999999998		21.6
	14.362500000000002		14.5	22.062500000000004		21.8
	14.5875		14.5	20.61875		20.5
	14.249999999999998		14	21.518750000000004		21.4
	13.549999999999997		13.1	21.499999999999996		21.1
	13.5		13	20.7375		20.2
	13.81875		14.1	20.112499999999997		20.3
	14.0375		13.9	21.15625		20.8
	13.618750000000002		13.5	20.79375		20.5
	13.281249999999998		13	19.91875		19.9
	13.55		13.6	19.8625		19.9
	13.393750000000002		13.4	20		20.2
	12.91875		12.8	19.79375		19.6
	13.562499999999996		13.4	19.412500000000005		19.6
	12.7375		12.7	19.76875		19.3
	12.44375		12.6	18.825		19.1
	12.20625			19.425
	12.899999999999999			19.6375
	13.012500000000001			19.224999999999998
	12.33125			19.21875
	11.80625			19
	12.506249999999998			18.73125
Sep.	11.95625			19.025
	10.84375			18.35
	10.024999999999999			18.05
	10.825000000000001			18.099999999999994
	10.825			17.312500000000004
	10.6625			17.64375
	10.850000000000001			17.987500000000004
	11.074999999999998			18
	11.187500000000002			17.6375
	10.518749999999999			16.375000000000004
	10.475			17.143749999999997
	10.55625			17.40625
	10.718749999999998			17.74375
	10.499999999999998			17.2
	10.6375			16.9875
	10.200000000000001			15.975
	9.91875			16.41875
	8.718750000000002			15.518749999999995
	8.649999999999999			15.918750000000001
	8.98125			15.4375
	7.9625			15.21875
	8.425			15.225
	9.806249999999999			15.887499999999998
	9.55			15.48125
	7.956250000000002			14.249999999999998
	7.0125			14.18125
	7.225			14.08125
	7.04375			14.043749999999998
	7.3999999999999995			13.562500000000002
	8.14375			14.137499999999998
Oct.	8.506250000000001			14.325000000000001
	7.881250000000002			13.950000000000001
	7.706250000000001			12.987499999999999
	6.862499999999999			12.40625
	5.71875			12.531249999999998
	7.268750000000001			13.5625
	7.6312500000000005			13.40625
	7.65			13.23125
	7.550000000000001			12.7
	6.418749999999999			11.71875
	6.6375			11.525000000000002
	5.325			10.725
	4.856249999999999			10.4875
	4.5062500000000005			10.63125
	4.575			10.75
	4.606249999999999			10.075000000000001
	4.7250000000000005			9.925000000000002
	5.299999999999999			10.962499999999999
	3.7624999999999997			10.387500000000001
	3.3000000000000007			9.6375
	2.725			8.356250000000001
	2.8562500000000006			8.981250000000001
	3.8937500000000003			10.5
	4.468749999999999			10.981249999999998
	2.2125000000000004			8.025
	1.8749999999999996			8.412500000000001
	2.4625000000000004			9.556249999999999
	1.6874999999999998			7.262499999999999
	1.59375			9.0125
	2.0125			7.668749999999999
	0.4624999999999997			6.700000000000001
Nov.	0.8375000000000001			6.2375
	0.5187499999999997			6.212500000000001
	0.9187499999999998			7.149999999999999
	0.5624999999999999			6.643750000000002
	-0.5750000000000001			5.98125
	-0.3625			5.137499999999999
	-0.9999999999999998			5.0375000000000005
	-0.4625000000000002			5.6375
	-0.7			4.0375000000000005
	-1.5499999999999998			5.11875
	-0.4687500000000002			5.25625
	-0.1875000000000001			5.75625
	0.76875			6.0687500000000005
	-0.6312500000000001			5.225
	-2.5875			2.7062499999999994
	-2.7375000000000003			3.625
	-1.4249999999999998			4.93125
	-0.48124999999999996			4.6312500000000005
	-0.2624999999999999			6.4437500000000005
	-2.4499999999999997			3.30625
	-2.6874999999999996			3.16875
	-1			5.3125
	-3.4875000000000007			2.8000000000000003
	-5.45625			0.8937500000000003
	-2.9375000000000004			3.0375
	-2.625			3.9312500000000004
	-3.025			3.2812500000000004
	-3.7125000000000004			2.9437499999999996
	-3.2625			2.9312500000000004
	-4.01875			1.36875
Dec.	-3.6125			2.88125
	-5.599999999999999			1.0125000000000002
	-6.324999999999999			-0.5125
	-4.3374999999999995			1.88125
	-3.3937500000000003			2.1375
	-4.6125			1.33125
	-4.51875			2.0312499999999996
	-3.1437500000000003			2.15
	-3.4499999999999997			2.6437499999999994
	-5.11875			1.6124999999999998
	-6.075			0.36250000000000004
	-5.193750000000001			1.0999999999999996
	-6.11875			0.9937499999999999
	-5.90625			1.7687500000000003
	-6.58125			0.175
	-6.86875			-0.8499999999999998
	-5.400000000000001			0.3266666666666664

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

32°C

Highest Temp

4 Jul. 26

-19°C

Lowest Temp

25 Jan. 26

Seasonal Breakdown

Hottest MonthJuly24.09°C

Coldest MonthJanuary-7.47°C

Wettest MonthMarch15.97mm

Windiest MonthMarch24.48km/h

Saint John 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 Saint John historically?

August is historically Saint John's hottest month, with average maximum temperatures around 22°C. During peak heatwave events, the highest recorded temperatures have reached 32°C on 2026-07-04.

2. What is the coldest month in Saint John historically?

February is Saint John's coldest month, with average minimum temperatures around -8°C. The all-time record low of -28°C was recorded on 2023-02-04.

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

Saint John's average annual rainfall is approximately 1564.5mm, based on records spanning 17 years.

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

Saint John historically records approximately 189.6 rainy days per year. December 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 Saint John?

The all-time highest temperature recorded in Saint John is 32°C on 2026-07-04.

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

The all-time lowest temperature recorded in Saint John is -28°C on 2023-02-04.

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

Saint John experiences its strongest winds during February. The historic gust record of 60.5 kph was recorded on 2014-07-05.

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

Usually, Saint John's humidity peaks in July at around 83.03% and drops to its lowest in November at approximately 78.5%.

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Saint John Historic Weather Records
Analyse hottest, coldest, windiest & wettest days