Saint John NB - Recent October Temperatures, Rain & Snow

The numbers here describe what the October weather in Saint John, New Brunswick Canada was like for every year since 2010. A series of tables gives October 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 October. 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

October temperature averages by year in Saint John
High °F Low °F Year High °C Low °C
59 41 2023 15 5
61 39 2022 16 4
60 40 2021 16 5
56 36 2020 13 2
57 37 2019 14 3
51 35 2018 11 2
62 40 2017 17 4
57 37 2016 14 3
54 33 2015 12 1
58 41 2014 14 5
58 35 2013 14 2
58 38 2012 15 3
57 40 2011 14 4
55 37 2010 13 3
Number of days in October 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 6 2023 4
0 12 2022 0
0 0 2021 4
0 12 2020 0
0 11 2019 0
0 11 2018 0
0 11 2017 4
0 8 2016 2
0 14 2015 0
0 5 2014 0
0 12 2013 2
0 9 2012 2
0 7 2011 3
0 9 2010 1

Rainy Weather iconPrecipitation

This table gives the total precipitation that fell on Saint John during October 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 October in Saint John
Days Year Inches Milli­metres
14 2023 4.7 120
9 2022 5.2 132
10 2021 2.5 64
12 2020 3.1 78
16 2019 6.9 176
19 2018 8.0 202
8 2017 2.8 72
12 2016 4.8 121
12 2015 4.4 113
12 2014 5.3 134
11 2013 3.0 77
10 2012 7.7 196
9 2011 7.7 194
8 2010 6.3 160

Snowy Weather iconSnow

Amount of snowfall in Saint John for October and number of days when new snow totalled at least 2.5 centimetres (1 inch)
Days Year Inches Centi­metres
0 2023 0.8 2.0
0 2022 0.0 0.0
0 2020 0.0 0.0
2019
0 2018 0.0 0.0
0 2017 0.0 0.0
0 2016 0.0 0.0
0 2015 0.1 0.3
0 2014 0.0 0.0
0 2013 0.0 0.0
0 2012 0.0 0.0
1 2011 6.1 15.5
0 2010 0.2 0.5
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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