Moncton
August
Weather in Moncton for August 2025
Your guide to Moncton weather in August - trends and predictions
In general, the average temperature in Moncton at the beginning of August is 24.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 22.3 °C by the end of August.
Expect significant rainfall in Moncton during August, with an average of 20 rainy days.
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11
Dry days
20
Rainy days
0
Snow days
22°/13°
Temperatures
16 km/h
Avg max wind
81 %
Avg humidity
Moncton in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  26° | 3 26° | ||||
| 4  25° | 5  25° | 6  22° | 7 23° | 8 21° | 9 23° | 10 24° |
| 11 23° | 12 24° | 13 24° | 14 23° | 15 21° | 16 24° | 17 26° |
| 18 23° | 19 25° | 20 22° | 21 21° | 22 22° | 23 21° | 24  24° |
| 25 25° | 26 21° | 27  22° | 28 23° | 29 22° | 30 22° | 31 21° |
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Temperatures trend during August in Moncton
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. | Patchy rain possible | 23° /16° | 6.5 mm | 6 | |
| 2 Aug. | Cloudy | 26° /15° | 0.7 mm | 6 | |
| 3 Aug. | Cloudy | 26° /15° | 0.4 mm | 6 | |
| 4 Aug. | Overcast | 25° /15° | 2.4 mm | 6 | |
| 5 Aug. | Moderate or heavy rain shower | 25° /16° | 17.2 mm | 6 | |
| 6 Aug. | Heavy rain at times | 22° /13° | 3.8 mm | 5 | |
| 7 Aug. | Patchy rain possible | 23° /13° | 0.2 mm | 5 | |
| 8 Aug. | Heavy rain at times | 21° /12° | 1.2 mm | 6 | |
| 9 Aug. | Moderate or heavy rain shower | 23° /14° | 12.6 mm | 5 | |
| 10 Aug. | Overcast | 24° /17° | 1.9 mm | 5 | |
| 11 Aug. | Moderate or heavy rain shower | 23° /15° | 24.1 mm | 6 | |
| 12 Aug. | Patchy rain possible | 24° /14° | 0.7 mm | 6 | |
| 13 Aug. | Moderate rain at times | 24° /13° | 2.7 mm | 6 | |
| 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.
Moncton in August - FAQ
What are the expected maximum and minimum temperatures in Moncton during August?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. 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 305 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.
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