St. John's (Newfoundland and Labrador) in august: average Weather, Temperature and Climate
Weather in St. John's (Newfoundland and Labrador) in august 2025
The weather in Saint-Jean de Terre-Neuve in the month of august comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
good weather
Weather at 6am
61°F
Clear/Sunny
29% of time
27%
20%
14%
Weather at 12pm
65°F
Clear/Sunny
34% of time
28%
19%
14%
Weather at 6pm
63°F
Clear/Sunny
35% of time
28%
17%
16%
Weather at 3am
61°F
28%
27%
23%
13%
Evolution of daily average temperature and precipitation in St. John's (Newfoundland and Labrador) in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in St. John's (Newfoundland and Labrador) in august.
The climate of St. John's (Newfoundland and Labrador) in august is good
The weather in august in Saint-Jean de Terre-Neuve is wet (with 4.4in of rainfall over 6 days). It should be noted a worsening from the previous month since in july there is an average of 4.6in of rainfall over 7 days.
The climate quite pleasant in this city august. The high seasonal norm is 67°F. The minimum is 59°F. Thus, the mean temperature average on this month of august in Saint-Jean de Terre-Neuve is 63°F. These temperatures are far removed from those records observed in Saint-Jean de Terre-Neuve in the month of august with a maximum record of 76°F in 2021 and a minimum record of 49°F in 2011. You can plan to have about 19 days with temperatures up to 65°F, or 61% of the month.
On this month of august, day length in Saint-Jean de Terre-Neuve is generally 14:15. The sun rises at 04:27 and sunset is at 18:42.
With a good weather, the month of august is a good time to go in Saint-Jean de Terre-Neuve.
Seasonal average climate and temperature of St. John's (Newfoundland and Labrador) in august
Check below seasonal norms These datas are compiled from the weather statements of the last years of the month of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 63°F | ||||
| Highest temperature | 67°F | ||||
| Lowest temperature | 59°F | ||||
| Highest record temperature | 76°F (2021) | ||||
| Lowest record temperature | 49°F (2011) | ||||
| Number of days at +65°F | 19 day(s) (61%) | ||||
| Sea temperature | |||||
| Average sea temperature | 58°F | ||||
| Lowest sea temperature | 53°F | ||||
| Highest sea temperature | 62°F | ||||
| Wind | |||||
| Wind speed | 25km/h | ||||
| Wind temperature | 59°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.4in | ||||
| Number of days with rainfall | 6 day(s) (19%) | ||||
| Record daily rainfall | 2.1in (2020) | ||||
| Other climate data | |||||
| Humidity | 91% | ||||
| Visibility | 9.21km | ||||
| Cloud cover | 48% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:27 | ||||
| Time of sunset | 18:42 | ||||
| Length of day | 14:15 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last august?
Here is the day by day recorded weather in St. John's (Newfoundland and Labrador) in august 2024:
65°F to 76°F
67°F to 68°F
54°F to 70°F
63°F to 72°F
65°F to 70°F
65°F to 67°F
58°F to 65°F
58°F to 67°F
56°F to 65°F
61°F to 68°F
63°F to 68°F
65°F to 72°F
63°F to 67°F
54°F to 58°F
52°F to 65°F
56°F to 67°F
59°F to 68°F
63°F to 68°F
61°F to 65°F
65°F to 76°F
67°F to 68°F
56°F to 59°F
58°F to 61°F
61°F to 68°F
59°F to 74°F
61°F to 74°F
59°F to 65°F
63°F to 68°F
54°F to 63°F
52°F to 65°F
58°F to 68°F
Map: other cities in Canada in august
Cities near St. John's (Newfoundland and Labrador):
| Bonavista in august | good weather |
| Twillingate in august | good weather |
| Corner Brook in august | tolerable weather |
| Gros Morne National Park in august | tolerable weather |
| Sydney in august | good weather |
| Cape Breton Island in august | good weather |
| Charlottetown in august | good weather |
| Happy Valley-Goose Bay in august | good weather |
| Hebron (Prince Edward Island) in august | good weather |
| Halifax in august | good weather |
| Moncton in august | good weather |
| Fundy National Park in august | good weather |
Click over cities on the map for information about the weather in august.
St. John's (Newfoundland and Labrador)
perfect weather
good
tolerable
bad
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Weather data for St. John's (Newfoundland and Labrador) in august:
Weather data for St. John's (Newfoundland and Labrador) for august are derived from an average of the weather forecast since 2009 in St. John's (Newfoundland and Labrador). There is a margin of error and these forecasts are to be considered as general information only. The weather in St. John's (Newfoundland and Labrador) can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to St. John's (Newfoundland and Labrador).