New Brunswick (Moncton)
August
Weather in New Brunswick for August 2026
Your guide to New Brunswick weather in August - trends and predictions
So far, August 2026 in New Brunswick shows a warmer trend than usual by 2.7 °C.
Expect cooler weather in the next days in New Brunswick with the forecast suggesting a temperature of 23.7 °C, lower than the historical average.
In general, the average temperature in New Brunswick at the beginning of August is 25.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.1 °C by the end of August.
New Brunswick in August brings notable rainfall, with an average of 20 rainy days and a total precipitation of 133.8 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
73 %
Avg humidity
New Brunswick Weather August
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What’s the Weather Like in New Brunswick This August?
Discover the average temperatures and weather trends across New Brunswick’s cities this August.
Temperatures trend during August in New Brunswick
See the weather trend as well as the moving average line
August weather in New Brunswick day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 23° /15° | 3.6 mm | 5 | |
| 2 Aug. |  Cloudy | 26° /14° | 0.4 mm | 7 | |
| 3 Aug. | Cloudy | 27° /15° | 4.1 mm | 7 | |
| 4 Aug. |  Overcast | 26° /16° | 1.7 mm | 7 | |
| 5 Aug. |  Sunny | 27° /16° | 8.6 mm | 7 | |
| 6 Aug. |  Heavy rain at times | 26° /14° | 1.9 mm | 6 | |
| 7 Aug. | Patchy rain possible | 26° /14° | 0.1 mm | 6 | |
| 8 Aug. | Heavy rain at times | 25° /14° | 1.6 mm | 7 | |
| 9 Aug. |  Moderate or heavy rain shower | 25° /16° | 11.6 mm | 5 | |
| 10 Aug. | Overcast | 26° /16° | 1 mm | 6 | |
| 11 Aug. | Moderate or heavy rain shower | 26° /15° | 14.3 mm | 7 | |
| 12 Aug. | Patchy rain possible | 28° /15° | 0.5 mm | 7 | |
| 13 Aug. | Sunny | 26° /15° | 7.6 mm | 5.3 | |
| 14 Aug. | Patchy rain possible | 21° /13° | 5.8 mm | 5.5 | |
| 15 Aug. | Sunny | 24° /11° | 0 mm | 5.7 | |
| 16 Aug. |  Partly cloudy | 25° /12° | 0 mm | 5.9 | |
| 17 Aug. | Patchy rain possible | 18° /14° | 2.9 mm | 4 | |
| 18 Aug. | Sunny | 25° /13° | 0 mm | 7 | |
| 19 Aug. | Sunny | 27° /14° | 0 mm | 7 | |
| 20 Aug. | Patchy rain possible | 26° /18° | 5 mm | 7 | |
| 21 Aug. | Light rain shower | 23° /18° | 8.9 mm | 5 | |
| 22 Aug. | Sunny | 27° /19° | 1.6 mm | 7 | |
| 23 Aug. | Patchy rain possible | 21° /14° | 0.1 mm | 5 | |
| 24 Aug. | Sunny | 23° /11° | 1.5 mm | 6 | |
| 25 Aug. | Patchy rain possible | 22° /16° | 7 mm | 5 | |
| 26 Aug. | Patchy rain possible | 24° /16° | 6.5 mm | 5 | |
| 27 Aug. |  Fog | 22° /14° | 1.5 mm | 5 | |
| 28 Aug. | Mist | 22° /12° | 2.2 mm | 5 | |
| 29 Aug. | Overcast | 22° /10° | 0 mm | 5 | |
| 30 Aug. | Moderate or heavy rain shower | 22° /12° | 16.1 mm | 5 | |
| 31 Aug. | Overcast | 21° /10° | 0.4 mm | 5 | |
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Important Notice
Our weather forecast for New Brunswick 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 New Brunswick forecast closer to your planned date for the most up-to-date weather information.
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New Brunswick in August - FAQ
What are the expected maximum and minimum temperatures in New Brunswick 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 New Brunswick during August?
Significant rainfall exceeding 133.8 mm is expected in New Brunswick during August, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in New Brunswick during August?
The average wind speed in New Brunswick during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in New Brunswick
Explore the daily rainfall trends and prepare for New Brunswicks August weather 💧
Typically, New Brunswick has 20 rainy days in August with a total of 133.8 mm of rainfall.
UV exposure in New Brunswick during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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