Greater Sudbury
August
Weather in Greater Sudbury for August 2025
Your guide to Greater Sudbury weather in August - trends and predictions
In general, the average temperature in Greater Sudbury at the beginning of August is 25.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.7 °C by the end of August.
Expect significant rainfall in Greater Sudbury during August, with an average of 18 rainy days.
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13
Dry days
18
Rainy days
0
Snow days
22°/11°
Temperatures
15 km/h
Avg max wind
71 %
Avg humidity
Greater Sudbury in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  27° | 3  28° | ||||
| 4 25° | 5  24° | 6  25° | 7 22° | 8 25° | 9  25° | 10 18° |
| 11 17° | 12 20° | 13 23° | 14 26° | 15 26° | 16 23° | 17 22° |
| 18 18° | 19 22° | 20 24° | 21 22° | 22  24° | 23 23° | 24 24° |
| 25  25° | 26 25° | 27 24° | 28 19° | 29  20° | 30 21° | 31 25° |
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Temperatures trend during August in Greater Sudbury
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Overcast | 27° /13° | 0 mm | 7 | |
| 2 Aug. | Patchy rain possible | 27° /15° | 1.8 mm | 7 | |
| 3 Aug. | Moderate or heavy rain shower | 28° /16° | 5.9 mm | 7 | |
| 4 Aug. | Patchy rain possible | 25° /14° | 0.1 mm | 6 | |
| 5 Aug. | Cloudy | 24° /13° | 0 mm | 6 | |
| 6 Aug. | Sunny | 25° /11° | 0 mm | 7 | |
| 7 Aug. | Moderate or heavy rain shower | 22° /11° | 9.7 mm | 6 | |
| 8 Aug. | Overcast | 25° /13° | 1.6 mm | 6 | |
| 9 Aug. | Heavy rain at times | 25° /13° | 1.5 mm | 6 | |
| 10 Aug. | Moderate or heavy rain shower | 18° /11° | 3 mm | 5 | |
| 11 Aug. | Patchy rain possible | 17° /10° | 1 mm | 4 | |
| 12 Aug. | Moderate or heavy rain shower | 20° /10° | 12.4 mm | 5 | |
| 13 Aug. | Patchy rain possible | 23° /12° | 0.2 mm | 6 | |
| 14 Aug. | Cloudy | 26° /12° | 0.5 mm | 6 | |
| 15 Aug. | Overcast | 26° /13° | 0.2 mm | 6 | |
| 16 Aug. | Patchy rain possible | 23° /14° | 0.3 mm | 5 | |
| 17 Aug. | Moderate or heavy rain shower | 22° /15° | 16.2 mm | 5 | |
| 18 Aug. | Patchy rain possible | 18° /12° | 4.9 mm | 4 | |
| 19 Aug. | Patchy rain possible | 22° /9° | 0.1 mm | 5 | |
| 20 Aug. | Patchy rain possible | 24° /11° | 0.9 mm | 6 | |
| 21 Aug. | Overcast | 22° /9° | 0 mm | 6 | |
| 22 Aug. | Partly cloudy | 24° /10° | 0 mm | 6 | |
| 23 Aug. | Patchy rain possible | 23° /12° | 0.8 mm | 6 | |
| 24 Aug. | Patchy rain possible | 24° /14° | 3.3 mm | 6 | |
| 25 Aug. | Fog | 25° /13° | 0.8 mm | 6 | |
| 26 Aug. | Overcast | 25° /11° | 6.2 mm | 6 | |
| 27 Aug. | Sunny | 24° /10° | 4.9 mm | 6 | |
| 28 Aug. | Sunny | 19° /9° | 0.3 mm | 5 | |
| 29 Aug. | Moderate rain | 20° /7° | 11.5 mm | 5 | |
| 30 Aug. | Cloudy | 21° /7° | 0.9 mm | 5 | |
| 31 Aug. | Sunny | 25° /9° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Greater Sudbury in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Greater Sudbury forecast closer to your planned date for the most up-to-date weather information.
Greater Sudbury in August - FAQ
What are the expected maximum and minimum temperatures in Greater Sudbury during August?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Greater Sudbury during August?
Significant rainfall exceeding 128.7 mm is expected in Greater Sudbury during August, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Greater Sudbury during August?
The average wind speed in Greater Sudbury during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
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