Saint John NB - Recent January Temperatures, Rain & Snow

The numbers here describe what the January weather in Saint John, New Brunswick Canada was like for every year since 2010. A series of tables gives January data by year for temperature, precipitation and snowfall.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many hot or cold days occurred each January. Then there's information on how much rain and snow actually landed this month during recent years, as well as how often Saint John had wet or snowy weather.

The climate data come from weather measurements made at the Saint John Airport.

Temperature Weather iconTemperature

January temperature averages by year in Saint John
High °F Low °F Year High °C Low °C
34 20 2023 1 -7
28 2 2022 -2 -16
31 18 2021 -1 -8
31 15 2020 0 -9
30 8 2019 -1 -14
30 10 2018 -1 -12
32 16 2017 0 -9
30 12 2016 -1 -11
26 2 2015 -4 -16
28 8 2014 -2 -13
26 7 2013 -3 -14
31 13 2012 -1 -10
27 7 2011 -3 -14
29 16 2010 -2 -9
Number of days in January when the temperature in Saint John dropped to -18 or 0 or below, or rose to at least 21 degrees Celsius
-18 °C
0 °F
0 °C
32 °F
Year 21 °C
70 °F
0 28 2023 0
13 28 2022 0
0 31 2021 0
4 30 2020 0
8 29 2019 0
7 29 2018 0
4 29 2017 0
3 31 2016 0
12 30 2015 0
12 28 2014 0
9 25 2013 0
5 29 2012 0
10 31 2011 0
2 29 2010 0

Rainy Weather iconPrecipitation

This table gives the total precipitation that fell on Saint John during January in each year from 2010. The number of days with precipitation counts the days when rainfall or snowfall (when melted) amounted to 0.254 millimeters (0.01 inches) or more.

Total precipitation for January in Saint John
Days Year Inches Milli­metres
17 2023 9.0 228
16 2022 6.9 175
3 2021
16 2020 3.1 79
19 2019 6.8 172
16 2018 5.7 146
16 2017 4.8 122
14 2016 3.7 93
15 2015 7.8 198
16 2014 7.5 190
7 2013 1.4 35
7 2012 3.7 93
10 2011 3.8 97
7 2010 3.6 92

Snowy Weather iconSnow

Amount of snowfall in Saint John for January and number of days when new snow totalled at least 2.5 centimetres (1 inch)
Days Year Inches Centi­metres
5 2023 16.5 41.9
9 2022 39.3 99.8
1 2021 6.7 17.1
4 2020 16.4 41.7
11 2019 30.2 76.7
5 2018 21.9 55.6
6 2017 24.6 62.5
5 2016 21.4 54.4
8 2015 53.3 135.4
5 2014 17.6 44.7
1 2013 5.0 12.7
3 2012 13.5 34.3
8 2011 26.7 67.8
5 2010 20.5 52.1
Reference

Environment and Climate Change Canada. Historical Climate Data. Historical Data

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Saint John - Recent Years
Saint John - Extremes
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