Moncton Weather: August
 |
Average Day Temperature: | 74.9°F |
|
Average Night Temperature: | 63.6°F |
|
Sea Water Temperature: | 66.7°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 13.3 - 14.8 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.2 in | |
| detailed information | ||
forecast
| Moncton |
Temperature
| Moncton |
Air Temperature in August, °F
The highest day temperature in August 2025 was 100°F. The lowest night temperature was 50°F. The average values for day and night temperatures during August were 80.1°F и 59.6°F respectivly.
Moncton Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Moncton was 65.6°F. The maximum and minimum values were 61.2°F and 69.4°F respectively.
You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Moncton is 1.2 in. This value is relatively stable throughout the year.
The average wind speed in August is 9.8 mph. It makes August one of the most windless months of the year for Moncton.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Moncton in August is 8.3 hours.
Moncton on the Weather Map
| Halifax |  |
+24 |
| Kingston |  |
+4 |
| Moncton | |
+2 |
| Montreal | |
-2 |
| Niagara Falls | |
+10 |
| Ottawa | |
-4 |
| Prince Edward Island | |
+16 |
| Quebec | |
-12 |
| Rocky Harbour |  |
+28 |
| St. John's |  |
+32 |
| Sydney | |
+34 |
| Toronto | |
+10 |
| Vancouver | |
+42 |
| Victoria | |
+44 |
| Winnipeg | |
+12 |
| 0300 |  |
-6°F | E 17 mph |
| 0600 | |
-10°F | E 16 mph |
| 0900 |  |
0°F | E 15 mph |
| 1200 | |
12°F | E 16 mph |
| 1500 | |
16°F | E 14 mph |
| 1800 | |
14°F | E 11 mph |
| 2100 | |
12°F | E 10 mph |
| 0000 | |
10°F | E 8 mph |