St. John's NL Recent August Temperatures, Rainfall

The numbers here describe what the August weather in St. John's, Newfoundland 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 St. John's had wet weather.

The climate data come from weather measurements made at the St. John's Airport.

Temperature

August temperature averages by year in St. John's
High °F	Low °F	Year	High °C	Low °C
68	55	2023	20	13
74	58	2022	23	15
71	54	2021	22	12
72	55	2020	22	13
70	54	2019	21	12
73	55	2018	23	13
68	53	2017	20	12
69	53	2016	21	12
72	55	2015	22	13
67	56	2014	19	14
70	55	2013	21	13
72	57	2012	22	14
65	52	2011	18	11
67	54	2010	19	12

Number of days in August when the temperature in St. John's rose to at least 21 or 32 degrees Celsius
Year	21 °C 70 °F	32 °C 90 °F
2023	12	0
2022	22	0
2021	18	0
2020	17	0
2019	16	0
2018	20	0
2017	13	0
2016	17	0
2015	23	0
2014	9	0
2013	16	0
2012	20	0
2011	15	0
2010	9	0

Rain

This table gives the total precipitation that fell on St. John's 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 St. John's
Days	Year	Inches	Millimetres
15	2023	5.2	131
15	2022	5.9	149
12	2021	2.0	51
12	2020	5.4	136
13	2019	2.5	62
12	2018	3.3	85
17	2017	5.6	141
11	2016	4.2	106
11	2015	1.9	49
20	2014	7.8	199
13	2013	5.3	134
18	2012	3.9	99
8	2011	4.0	100
9	2010	2.7	69

St. John's NL - Recent August Temperatures and Rainfall

Temperature

Rain

Reference

More on Weather in St. John's