Dartmouth
August
Weather in Dartmouth for August 2025
Your guide to Dartmouth weather in August - trends and predictions
In general, the average temperature in Dartmouth at the beginning of August is 22.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 21.3 °C by the end of August.
Dartmouth experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.
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9
Dry days
22
Rainy days
0
Snow days
22°/15°
Temperatures
19 km/h
Avg max wind
84 %
Avg humidity
Dartmouth in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  24° | 3  23° | ||||
| 4 22° | 5  22° | 6  22° | 7 22° | 8 21° | 9 21° | 10 23° |
| 11 23° | 12 24° | 13 23° | 14 22° | 15 21° | 16 21° | 17 22° |
| 18 21° | 19 22° | 20 21° | 21 21° | 22 22° | 23  22° | 24  23° |
| 25  23° | 26 21° | 27 22° | 28 22° | 29 21° | 30 20° | 31 20° |
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Temperatures trend during August in Dartmouth
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. | Heavy rain at times | 22° /16° | 1.1 mm | 5 | |
| 2 Aug. | Overcast | 24° /15° | 0.2 mm | 6 | |
| 3 Aug. | Partly cloudy | 23° /15° | 1.3 mm | 6 | |
| 4 Aug. | Overcast | 22° /15° | 1.6 mm | 5 | |
| 5 Aug. | Moderate or heavy rain shower | 22° /16° | 27 mm | 5 | |
| 6 Aug. | Patchy rain possible | 22° /15° | 1.9 mm | 5 | |
| 7 Aug. | Patchy rain possible | 22° /14° | 0.3 mm | 5 | |
| 8 Aug. | Patchy rain possible | 21° /13° | 0.2 mm | 5 | |
| 9 Aug. | Moderate or heavy rain shower | 21° /16° | 13.8 mm | 5 | |
| 10 Aug. | Overcast | 23° /16° | 1 mm | 5 | |
| 11 Aug. | Moderate or heavy rain shower | 23° /16° | 9.8 mm | 6 | |
| 12 Aug. | Partly cloudy | 24° /14° | 0 mm | 6 | |
| 13 Aug. | Heavy rain at times | 23° /14° | 1.4 mm | 6 | |
| 14 Aug. | Patchy rain possible | 22° /16° | 2.8 mm | 5 | |
| 15 Aug. | Moderate or heavy rain shower | 21° /15° | 10.9 mm | 5 | |
| 16 Aug. | Moderate rain at times | 21° /14° | 1.7 mm | 5 | |
| 17 Aug. | Overcast | 22° /14° | 3.9 mm | 6 | |
| 18 Aug. | Moderate or heavy rain shower | 21° /14° | 19.8 mm | 6 | |
| 19 Aug. | Moderate or heavy rain shower | 22° /16° | 5.9 mm | 5 | |
| 20 Aug. | Patchy rain possible | 21° /16° | 1.7 mm | 5 | |
| 21 Aug. | Patchy rain possible | 21° /15° | 1.2 mm | 5 | |
| 22 Aug. | Patchy rain possible | 22° /15° | 5.2 mm | 6 | |
| 23 Aug. | Sunny | 22° /12° | 0 mm | 6 | |
| 24 Aug. | Cloudy | 23° /12° | 0 mm | 6 | |
| 25 Aug. | Mist | 23° /13° | 0.2 mm | 6 | |
| 26 Aug. | Light rain shower | 21° /15° | 13.2 mm | 5 | |
| 27 Aug. | Light rain shower | 22° /14° | 15.1 mm | 6 | |
| 28 Aug. | Mist | 22° /14° | 1.6 mm | 5 | |
| 29 Aug. | Fog | 21° /12° | 0.1 mm | 5 | |
| 30 Aug. | Moderate or heavy rain shower | 20° /12° | 25 mm | 5 | |
| 31 Aug. | Overcast | 20° /11° | 2.3 mm | 6 | |
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Important Notice
Our weather forecast for Dartmouth 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 Dartmouth forecast closer to your planned date for the most up-to-date weather information.
Dartmouth in August - FAQ
What are the expected maximum and minimum temperatures in Dartmouth during August?
During August, expect a variety of temperatures with highs around 22° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Dartmouth during August?
Significant rainfall exceeding 303.1 mm is expected in Dartmouth during August, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Dartmouth during August?
The average wind speed in Dartmouth during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
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