Saint John NB - Recent August Temperatures and Rainfall

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

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

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

Temperature Weather iconTemperature

August temperature averages by year in Saint John
High °F Low °F Year High °C Low °C
72 53 2023 22 12
75 57 2022 24 14
76 55 2021 24 13
74 52 2020 24 11
75 50 2019 24 10
77 54 2018 25 12
74 49 2017 23 9
74 53 2016 24 12
77 55 2015 25 13
73 53 2014 23 12
74 51 2013 23 10
76 55 2012 24 13
71 53 2011 22 12
75 50 2010 24 10
Number of days in August when the temperature in Saint John rose to at least 21 or 32 degrees Celsius
Year 21 °C
70 °F
32 °C
90 °F
2023 23 0
2022 23 0
2021 26 0
2020 22 0
2019 27 0
2018 27 0
2017 23 0
2016 25 0
2015 28 0
2014 21 0
2013 25 0
2012 27 0
2011 19 0
2010 24 1

Rainy Weather iconRain

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

Total rainfall for August in Saint John
Days Year Inches Milli­metres
13 2023 9.3 236
18 2022 6.7 169
10 2021 5.4 137
12 2020 3.4 87
12 2019 4.2 107
8 2018 4.4 111
10 2017 3.2 81
9 2016 2.2 56
12 2015 3.3 83
9 2014 5.2 132
5 2013 2.9 74
7 2012 1.4 35
9 2011 4.6 117
6 2010 1.7 43
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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