Moncton
August
Weather in Moncton for August 2025
Your guide to Moncton weather in August - trends and predictions
The forecast for the first days of August 2025 in Moncton predicts temperatures to be around 26 °C, close to the historical average.
In general, the average temperature in Moncton at the beginning of August is 25.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.3 °C by the end of August.
Moncton in August brings notable rainfall, with an average of 20 rainy days and a total precipitation of 185.4 mm.
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Temperatures
Rain 🌧️
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11
Dry days
20
Rainy days
0
Snow days
23°/14°
Temperatures
16 km/h
Avg max wind
76 %
Avg humidity
Moncton Weather August
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Temperatures trend during August in Moncton
See the weather trend as well as the moving average line
August weather in Moncton day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Partly cloudy | 24° /12° | 0 mm | 2 | |
| 2 Aug. |  Sunny | 22° /11° | 0 mm | 1.9 | |
| 3 Aug. |  Patchy rain possible | 26° /14° | 0.6 mm | 0.2 | |
| 4 Aug. | Patchy rain possible | 25° /14° | 0.5 mm | 4 | |
| 5 Aug. | Sunny | 26° /13° | 0.1 mm | 5 | |
| 6 Aug. | Patchy rain possible | 27° /15° | 0.1 mm | 5 | |
| 7 Aug. | Sunny | 30° /15° | 0 mm | 6 | |
| 8 Aug. | Sunny | 28° /17° | 0 mm | 6 | |
| 9 Aug. | Patchy rain possible | 30° /18° | 0.8 mm | 5 | |
| 10 Aug. | Sunny | 25° /13° | 0 mm | 5 | |
| 11 Aug. | Sunny | 29° /12° | 0 mm | 6 | |
| 12 Aug. | Sunny | 28° /14° | 0 mm | 6 | |
| 13 Aug. | Patchy rain possible | 25° /14° | 1.8 mm | 4 | |
| 14 Aug. | Patchy rain possible | 23° /13° | 2.8 mm | 5 | |
| 15 Aug. |  Heavy rain at times | 21° /13° | 3.4 mm | 5 | |
| 16 Aug. | Patchy rain possible | 24° /13° | 0.2 mm | 6 | |
| 17 Aug. | Patchy rain possible | 26° /13° | 0.1 mm | 7 | |
| 18 Aug. |  Moderate or heavy rain shower | 23° /14° | 17 mm | 6 | |
| 19 Aug. | Patchy rain possible | 25° /15° | 1.6 mm | 6 | |
| 20 Aug. | Patchy rain possible | 22° /15° | 4 mm | 5 | |
| 21 Aug. | Moderate rain at times | 21° /15° | 2.2 mm | 5 | |
| 22 Aug. | Moderate rain at times | 22° /12° | 2.6 mm | 5 | |
| 23 Aug. |  Overcast | 21° /10° | 0.8 mm | 5 | |
| 24 Aug. | Partly cloudy | 24° /11° | 0 mm | 7 | |
| 25 Aug. | Patchy rain possible | 25° /13° | 0.1 mm | 6 | |
| 26 Aug. | Light rain shower | 21° /14° | 45.7 mm | 5 | |
| 27 Aug. |  Fog | 22° /14° | 2.2 mm | 6 | |
| 28 Aug. | Mist | 23° /11° | 3.3 mm | 6 | |
| 29 Aug. | Overcast | 22° /10° | 0 mm | 6 | |
| 30 Aug. | Moderate or heavy rain shower | 22° /12° | 24.2 mm | 6 | |
| 31 Aug. | Overcast | 21° /8° | 0.6 mm | 5 | |
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Important Notice
Our weather forecast for Moncton 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 Moncton forecast closer to your planned date for the most up-to-date weather information.
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Moncton in August - FAQ
What are the expected maximum and minimum temperatures in Moncton during August?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Moncton during August?
Significant rainfall exceeding 185.4 mm is expected in Moncton during August, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Moncton during August?
The average wind speed in Moncton during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Moncton
Explore the daily rainfall trends and prepare for Monctons August weather 💧
UV exposure in Moncton during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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