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Saint John Weather in 2020

Historical record of Saint John, New Brunswick weather for the year 2020 based on NOAA data.
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Year:
2020 Saint John Weather Extremes
Highest temperature 30.1 °C July 25
Lowest temperature -25.8 °C February 15
Highest daily low 18.6 °C June 30
Lowest daily high -11.1 °C January 21
Most daily precipitation 9.6 cm December 1
Most daily snow 12.9 cm January 19
Total annual snow 107.6 cm -
What was the hottest temperature in Saint John in 2020?
The highest temperature recorded in Saint John, New Brunswick in 2020 was 30.1 °C which happened on July 25.
Highest Temperatures: All-Time By Year
Highest Temperatures in Saint John in 2020
Rank Temperature Date
1 30.1 °C Jul 25
2 30.0 °C Aug 14
3 29.7 °C May 22
4 29.5 °C Aug 13
4 29.5 °C Jul 29
4 29.5 °C Jul 24
7 29.4 °C Jul 28
8 28.9 °C Jul 21
9 28.3 °C Jun 22
10 27.9 °C Jun 20
What was the coldest temperature in Saint John in 2020?
The lowest temperature recorded in Saint John, New Brunswick in 2020 was -25.8 °C which happened on Feb 15.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Saint John in 2020
Rank Temperature Date
1 -25.8 °C February 15
2 -25.1 °C February 21
3 -22.3 °C January 22
4 -22.0 °C February 14
5 -21.7 °C January 21
6 -20.4 °C February 18
7 -19.0 °C January 17
8 -18.7 °C February 9
9 -18.6 °C February 20
10 -18.4 °C January 20
January 2020 Saint John Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
 0.5 -2.2 0.00 0.0
January 2
 1.5 -4.0 0.00 0.0
January 3
 5.5 -2.4 0.00 0.0
January 4
 3.1 -1.6 0.04 0.4
January 5
 -0.2 -7.8 0.19 1.9
January 6
 -5.0 -9.0 0.00 0.0
January 7
 -1.8 -11.9 0.11 1.1
January 8
 -4.4 -8.1 0.80 10.2
January 9
 -5.0 -14.7 0.00 0.0
January 10
 3.4 -17.4 0.13 0.0
January 11
 9.5 -1.1 0.40 0.0
January 12
 5.8 -8.3 1.80 2.3
January 13
 -0.4 -9.4 0.15 n/a
January 14
 -1.6 -9.0 0.10 1.0
January 15
 0.7 -5.8 0.46 4.6
January 16
 -2.8 -8.3 0.50 5.0
January 17
 -8.2 -19.0 0.10 1.0
January 18
 n/a n/a 0.04 0.4
January 19
 -4.2 -8.9 1.29 12.9
January 20
 -6.5 -18.4 0.02 0.2
January 21
 -11.1 -21.7 0.00 0.0
January 22
 0.6 -22.3 0.00 0.0
January 23
 4.7 -7.5 0.00 0.0
January 24
 2.4 -8.0 0.00 0.0
January 25
 0.0 -4.4 0.00 0.0
January 26
 5.7 -0.6 1.74 0.0
January 27
 3.7 -2.0 0.02 0.2
January 28
 -2.0 -5.0 0.04 0.4
January 29
 -5.0 -12.1 0.00 0.0
January 30
 -4.7 -13.5 0.00 0.0
January 31
 2.0 -14.8 0.00 0.0
February 2020 Saint John Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
 1.1 -12.5 0.00 0.0
February 2
 -1.2 -6.1 0.00 0.0
February 3
 2.5 -7.1 0.00 0.0
February 4
 2.7 -4.4 0.00 0.0
February 5
 0.6 -12.4 0.00 0.0
February 6
 -3.0 -14.1 0.47 3.3
February 7
 6.2 -7.8 0.74 0.0
February 8
 -6.0 -15.7 0.07 0.7
February 9
 -6.3 -18.7 0.00 0.0
February 10
 3.0 -7.9 1.22 6.0
February 11
 1.0 -4.7 0.30 3.0
February 12
 1.5 -3.9 0.21 2.1
February 13
 2.0 -8.9 0.81 0.3
February 14
 -8.9 -22.0 0.00 n/a
February 15
 -2.0 -25.8 0.02 0.2
February 16
 2.0 -4.2 0.00 0.0
February 17
 4.7 -12.5 0.00 0.0
February 18
 0.1 -20.4 0.79 5.5
February 19
 3.4 -11.1 0.20 0.0
February 20
 -10.4 -18.6 0.00 0.0
February 21
 -4.7 -25.1 0.00 0.0
February 22
 2.0 -9.1 0.00 0.0
February 23
 4.3 -11.9 0.00 0.0
February 24
 5.1 -6.2 0.00 0.0
February 25
 5.0 -1.2 0.00 0.0
February 26
 9.0 -0.7 0.00 0.0
February 27
 2.0 -1.7 1.74 5.1
February 28
 0.9 -11.2 0.00 0.0
February 29
 0.5 -14.2 0.10 1.0
March 2020 Saint John Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
 -2.4 -9.0 0.00 0.0
March 2
 3.6 -8.0 0.00 0.0
March 3
 7.9 0.3 0.03 0.0
March 4
 4.7 0.1 1.02 0.0
March 5
 3.4 -2.0 0.00 0.0
March 6
 2.4 -5.2 0.00 0.0
March 7
 -1.3 -7.4 0.00 0.0
March 8
 4.8 -11.5 0.00 0.0
March 9
 3.0 -4.0 0.00 0.0
March 10
 4.5 -4.3 0.34 0.0
March 11
 3.8 -2.2 0.09 0.0
March 12
 3.4 -6.1 0.00 0.0
March 13
 7.4 -6.4 1.36 0.0
March 14
 5.0 -4.3 0.00 0.0
March 15
 0.5 -7.7 0.00 0.0
March 16
 n/a n/a 0.00 0.0
March 17
 n/a n/a 0.44 4.4
March 18
 n/a n/a 0.00 0.0
March 19
 5.9 -5.0 0.04 0.0
March 20
 7.6 1.0 0.66 0.0
March 21
 7.1 -8.9 0.00 0.0
March 22
 -2.2 -12.4 0.00 0.0
March 23
 1.3 -14.3 0.07 0.7
March 24
 1.6 -4.5 0.51 4.9
March 25
 5.8 -6.3 0.00 0.0
March 26
 4.6 -1.4 0.00 0.0
March 27
 2.9 -1.5 0.06 0.6
March 28
 10.5 -5.7 0.00 0.0
March 29
 9.9 -6.1 0.00 0.0
March 30
 6.8 -2.3 0.00 0.0
March 31
 4.0 -2.4 0.00 0.0
April 2020 Saint John Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
 3.7 -0.9 0.54 0.0
April 2
 9.3 0.5 2.98 0.0
April 3
 10.2 0.4 0.00 0.0
April 4
 5.4 -4.6 0.00 0.0
April 5
 8.7 -5.5 0.02 0.0
April 6
 11.8 0.5 0.13 0.0
April 7
 5.8 -3.5 0.00 0.0
April 8
 n/a n/a 0.00 0.0
April 9
 7.4 -7.0 0.59 4.3
April 10
 1.6 -0.9 0.67 6.7
April 11
 6.0 -1.2 0.02 0.2
April 12
 9.2 -0.3 0.00 0.0
April 13
 12.0 2.8 2.82 0.0
April 14
 n/a n/a 0.00 0.0
April 15
 7.4 -0.2 0.02 0.0
April 16
 6.7 -5.6 0.00 0.0
April 17
 7.3 -5.2 0.00 0.0
April 18
 6.2 -7.3 0.00 0.0
April 19
 10.8 -3.2 0.00 0.0
April 20
 9.8 -1.9 0.00 0.0
April 21
 7.1 -4.8 0.61 0.2
April 22
 5.8 -3.4 0.02 0.0
April 23
 8.0 -2.8 0.00 0.0
April 24
 11.4 -5.3 0.00 0.0
April 25
 14.3 -4.3 0.00 0.0
April 26
 14.5 -5.6 0.00 0.0
April 27
 8.0 1.0 0.21 0.0
April 28
 9.4 1.2 0.00 0.0
April 29
 13.1 -1.7 0.00 0.0
April 30
 10.5 -1.8 0.00 0.0
May 2020 Saint John Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
May 1
 15.8 3.6 2.76 0.0
May 2
 13.7 -1.3 0.00 0.0
May 3
 14.8 -2.3 0.00 0.0
May 4
 10.5 2.8 0.08 0.0
May 5
 6.1 0.9 0.11 0.0
May 6
 14.3 0.0 0.00 0.0
May 7
 8.6 -2.4 0.26 0.0
May 8
 12.9 -2.9 0.21 0.0
May 9
 6.3 0.2 2.78 3.6
May 10
 6.3 -0.5 0.10 1.0
May 11
 13.6 2.8 0.00 0.0
May 12
 8.3 0.0 1.02 1.3
May 13
 10.6 -0.6 0.06 0.0
May 14
 15.4 -2.2 0.00 0.0
May 15
 16.0 -2.8 0.50 0.0
May 16
 14.1 1.0 1.42 0.0
May 17
 18.4 0.4 0.00 0.0
May 18
 17.8 1.8 0.00 0.0
May 19
 16.6 -0.5 0.00 0.0
May 20
 15.6 -1.8 0.00 0.0
May 21
 19.1 5.5 0.00 0.0
May 22
 29.7 5.1 0.00 0.0
May 23
 13.8 0.7 0.00 0.0
May 24
 16.6 -1.6 0.00 0.0
May 25
 16.5 -0.8 0.00 0.0
May 26
 18.2 9.8 0.00 0.0
May 27
 18.4 9.6 0.02 0.0
May 28
 15.2 9.7 0.00 0.0
May 29
 n/a n/a 0.02 0.0
May 30
 n/a n/a 0.51 0.0
May 31
 20.6 4.4 0.00 0.0
June 2020 Saint John Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
June 1
 15.2 2.5 0.00 0.0
June 2
 18.2 0.3 0.00 0.0
June 3
 12.3 -0.4 0.32 0.0
June 4
 19.6 8.6 0.00 0.0
June 5
 22.1 10.4 0.13 0.0
June 6
 15.5 9.9 5.34 0.0
June 7
 13.6 8.5 0.16 0.0
June 8
 20.4 3.7 0.05 0.0
June 9
 21.5 7.5 0.00 0.0
June 10
 20.5 4.7 0.00 0.0
June 11
 19.3 10.0 0.70 0.0
June 12
 13.9 9.6 1.07 0.0
June 13
 23.1 8.6 0.00 0.0
June 14
 15.9 10.1 0.00 0.0
June 15
 20.7 4.6 0.00 0.0
June 16
 25.2 3.4 0.00 0.0
June 17
 22.8 5.4 0.00 0.0
June 18
 23.6 9.2 0.00 0.0
June 19
 25.9 11.0 0.00 0.0
June 20
 27.9 12.3 0.00 0.0
June 21
 25.6 11.7 0.00 0.0
June 22
 28.3 9.2 0.00 0.0
June 23
 25.5 13.8 0.00 0.0
June 24
 25.5 14.3 0.12 0.0
June 25
 25.7 11.1 0.15 0.0
June 26
 26.6 8.6 0.00 0.0
June 27
 22.6 12.7 0.00 0.0
June 28
 25.0 10.2 0.00 0.0
June 29
 24.6 16.6 0.00 0.0
June 30
 26.0 18.6 0.21 0.0
July 2020 Saint John Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
July 1
 25.5 13.8 0.00 0.0
July 2
 22.2 13.9 0.21 0.0
July 3
 23.1 10.6 0.00 0.0
July 4
 21.9 10.0 0.00 0.0
July 5
 17.1 10.4 0.08 0.0
July 6
 18.9 10.6 0.94 0.0
July 7
 20.8 10.8 0.00 0.0
July 8
 18.1 11.1 3.41 0.0
July 9
 25.5 14.3 0.00 0.0
July 10
 27.1 13.1 0.00 0.0
July 11
 25.0 16.8 1.64 0.0
July 12
 20.3 14.2 0.78 0.0
July 13
 26.6 13.5 0.00 0.0
July 14
 19.8 13.9 0.00 0.0
July 15
 22.1 9.5 0.00 0.0
July 16
 19.9 9.9 0.00 0.0
July 17
 n/a n/a 0.07 0.0
July 18
 n/a n/a 0.02 0.0
July 19
 n/a n/a 0.00 0.0
July 20
 19.9 12.4 0.00 0.0
July 21
 28.9 11.0 0.00 0.0
July 22
 26.8 11.4 0.00 0.0
July 23
 22.5 15.4 0.79 0.0
July 24
 29.5 13.0 0.00 0.0
July 25
 30.1 11.9 0.00 0.0
July 26
 24.7 15.7 0.05 0.0
July 27
 n/a n/a 0.09 0.0
July 28
 29.4 16.7 0.00 0.0
July 29
 29.5 13.6 0.00 0.0
July 30
 25.5 13.6 0.85 0.0
July 31
 26.5 12.9 0.00 0.0
August 2020 Saint John Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
 25.5 11.4 0.00 0.0
August 2
 27.6 10.1 0.00 0.0
August 3
 20.9 15.1 0.35 0.0
August 4
 27.8 16.8 0.00 0.0
August 5
 22.2 16.3 0.86 0.0
August 6
 24.6 12.2 0.00 0.0
August 7
 26.7 10.5 0.00 0.0
August 8
 26.9 9.7 0.00 0.0
August 9
 27.3 10.0 0.00 0.0
August 10
 21.9 15.1 0.03 0.0
August 11
 20.7 17.6 0.05 0.0
August 12
 19.6 13.9 0.04 0.0
August 13
 29.5 11.7 0.00 0.0
August 14
 30.0 14.9 0.07 0.0
August 15
 26.4 13.7 0.00 0.0
August 16
 25.1 14.3 0.00 0.0
August 17
 22.9 8.6 0.44 0.0
August 18
 22.2 7.2 0.00 0.0
August 19
 23.3 8.6 0.00 0.0
August 20
 23.8 7.5 0.00 0.0
August 21
 18.7 9.5 0.14 0.0
August 22
 24.8 7.6 0.00 0.0
August 23
 23.4 7.2 0.00 0.0
August 24
 26.1 12.6 0.34 0.0
August 25
 18.4 15.3 3.70 0.0
August 26
 20.0 9.0 0.00 0.0
August 27
 21.4 4.7 0.00 0.0
August 28
 23.0 5.4 0.00 0.0
August 29
 19.7 3.5 2.53 0.0
August 30
 20.7 10.9 0.19 0.0
August 31
 19.1 4.3 0.00 0.0
September 2020 Saint John Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
 21.4 3.3 0.00 0.0
September 2
 21.4 4.6 0.40 0.0
September 3
 20.4 15.8 1.73 0.0
September 4
 22.4 8.9 0.19 0.0
September 5
 22.3 5.6 0.00 0.0
September 6
 22.6 4.7 0.00 0.0
September 7
 22.9 7.0 0.00 0.0
September 8
 22.6 14.5 0.00 0.0
September 9
 22.1 13.0 0.00 0.0
September 10
 19.5 14.5 0.00 0.0
September 11
 16.8 2.0 0.00 0.0
September 12
 19.5 1.0 0.00 0.0
September 13
 19.3 3.6 0.19 0.0
September 14
 22.3 8.2 0.00 0.0
September 15
 16.1 2.7 0.00 0.0
September 16
 16.7 2.1 0.00 0.0
September 17
 18.2 12.6 0.00 0.0
September 18
 12.6 5.6 0.15 0.0
September 19
 15.4 1.0 0.00 0.0
September 20
 14.5 -1.4 0.00 0.0
September 21
 16.5 -2.1 0.00 0.0
September 22
 12.0 0.4 2.13 0.0
September 23
 19.8 7.0 n/a 0.0
September 24
 21.5 6.1 0.00 0.0
September 25
 18.3 0.3 0.00 0.0
September 26
 18.9 5.4 0.08 0.0
September 27
 16.4 12.0 0.03 0.0
September 28
 19.8 14.2 1.16 0.0
September 29
 20.3 16.6 2.74 0.0
September 30
 21.5 12.5 0.66 0.0
October 2020 Saint John Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
 18.3 8.1 0.00 0.0
October 2
 17.2 10.0 0.22 0.0
October 3
 14.1 3.1 0.00 0.0
October 4
 15.5 1.1 0.07 0.0
October 5
 16.0 2.5 0.00 0.0
October 6
 17.2 4.0 0.06 0.0
October 7
 15.5 11.6 0.86 0.0
October 8
 13.1 3.6 0.10 0.0
October 9
 11.2 -0.2 0.00 0.0
October 10
 16.1 8.2 2.16 0.0
October 11
 13.9 -3.3 0.00 0.0
October 12
 10.4 -4.6 0.00 0.0
October 13
 14.0 -3.4 0.05 0.0
October 14
 16.1 1.4 1.30 0.0
October 15
 17.0 -0.6 0.00 0.0
October 16
 20.8 11.2 0.00 0.0
October 17
 16.4 1.6 1.68 0.0
October 18
 14.7 -1.7 0.00 0.0
October 19
 14.1 0.2 0.02 0.0
October 20
 13.7 6.1 0.02 0.0
October 21
 13.6 7.5 0.20 0.0
October 22
 16.7 6.7 0.00 0.0
October 23
 12.0 5.3 0.00 0.0
October 24
 11.8 4.6 0.00 0.0
October 25
 7.4 -1.9 0.00 0.0
October 26
 10.2 -3.5 0.47 0.0
October 27
 10.5 -1.2 0.61 0.0
October 28
 4.3 -3.3 0.00 0.0
October 29
 8.2 0.6 0.00 0.0
October 30
 1.1 -3.1 0.00 0.0
October 31
 5.5 -7.8 0.00 0.0
November 2020 Saint John Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
 11.2 -8.0 1.99 0.0
November 2
 12.7 -2.9 0.74 0.0
November 3
 0.9 -5.4 0.00 0.0
November 4
 5.3 -8.0 0.00 0.0
November 5
 12.1 5.2 n/a 0.0
November 6
 11.8 8.4 n/a 0.0
November 7
 17.0 6.9 0.00 0.0
November 8
 8.9 5.7 n/a 0.0
November 9
 12.9 8.6 0.00 0.0
November 10
 16.9 8.6 n/a 0.0
November 11
 13.8 10.2 0.03 0.0
November 12
 14.6 4.2 n/a 0.0
November 13
 6.6 -0.9 n/a 0.0
November 14
 6.5 -0.7 n/a 0.0
November 15
 5.5 -1.5 n/a 0.0
November 16
 10.4 3.3 n/a 0.0
November 17
 6.1 -5.2 n/a 0.0
November 18
 -0.4 -5.3 0.00 0.0
November 19
 5.8 -6.8 n/a 0.0
November 20
 9.2 4.8 n/a 0.0
November 21
 12.0 -2.9 n/a 0.0
November 22
 2.9 -8.7 n/a 0.0
November 23
 14.5 1.8 n/a 0.0
November 24
 1.8 -7.9 n/a n/a
November 25
 6.5 -9.0 n/a n/a
November 26
 12.3 2.9 n/a n/a
November 27
 12.1 4.8 n/a n/a
November 28
 4.5 -0.9 n/a n/a
November 29
 7.4 -2.0 n/a n/a
November 30
 11.3 -2.4 n/a n/a
December 2020 Saint John Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
 n/a n/a 9.55 n/a
December 2
 10.5 3.6 n/a n/a
December 3
 6.2 -2.6 n/a n/a
December 4
 9.7 -1.1 n/a n/a
December 5
 11.5 3.7 n/a n/a
December 6
 9.6 -1.7 n/a n/a
December 7
 0.6 -1.6 n/a n/a
December 8
 0.6 -2.0 n/a n/a
December 9
 n/a n/a n/a n/a
December 10
 0.6 -4.6 n/a 0.0
December 11
 5.3 -2.5 0.00 0.0
December 12
 2.6 -1.9 n/a 0.0
December 13
 7.1 1.3 n/a 0.0
December 14
 1.3 -2.9 n/a 0.0
December 15
 -2.6 -14.0 n/a 0.0
December 16
 -8.5 -15.6 0.00 0.0
December 17
 n/a n/a n/a 3.9
December 18
 n/a n/a 0.00 0.0
December 19
 -2.6 -7.4 n/a 0.0
December 20
 3.5 -9.3 n/a 1.0
December 21
 7.3 0.8 1.61 0.0
December 22
 0.9 -1.2 0.56 4.0
December 23
 -0.1 -11.6 n/a 0.0
December 24
 9.6 -8.0 0.00 0.0
December 25
 14.9 9.8 n/a 0.0
December 26
 13.3 -2.1 n/a 2.0
December 27
 -1.8 -9.6 n/a 0.0
December 28
 6.5 -9.4 0.10 0.0
December 29
 6.8 -8.7 n/a 0.0
December 30
 3.8 -9.0 n/a 0.0
December 31
 5.9 -3.3 n/a 0.0
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Weather Station Details
Years Station Coordinates
2012–2024 Saint John location
1947–2012 Saint John A location
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