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Moncton weather in August

Weather in Moncton: August

Average day temperature: 73.3°F
Average night temperature: 62.3°F
Sea water temperature: 64.9°F
Number of sunny days: 12 days
Day length: 13.4 - 14.8 hours
Number of rainy days: 3 days
Precipitation totals: 1.3 in.

Air temperature in August, °F

Show year:
2026
2025
2024

The highest day temperature during August of 2026 was 93°F. At the same time the lowest night temperature was 53°F. Daily and nightly averages during August were 78.3°F and 62.3°F.

Sea water temperature in Moncton in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 63.8°F. The highest and lowest sea temperatures during the month were 67.1°F and 60.8°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in August is almost equal.

Precipitation total in August, in.

Precipitation total value in Moncton in August is 1.2 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 9.8 mph It makes August one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.2.

Best time for vacation in Moncton

Sunniest months:
September 12 days
October 12 days
August 12 days
Warmest months:
July 73.6 °F
August 72.4 °F
June 65.8 °F
Warmest sea temp:
August 64.8 °F
July 62.0 °F
September 61.7 °F
Coldest months:
February 24.5 °F
January 24.7 °F
March 31.9 °F
Rainiest months:
August 3 days
June 3 days
December 2 days
Windiest months:
November 13.7 mph
December 12.9 mph
March 12.3 mph

Moncton on a weather map

Moncton
+79°F
E 8 mph
Feels like: +79°F
Precip.: 3%
Places in Canada:
Name
°F
+72°F
+63°F
+63°F
+72°F
+73°F
+63°F
+70°F
+75°F
+77°F
+73°F
+59°F
+72°F
+70°F
+72°F
24 Hours Forecast
Moncton
Local time: 13:57
August 26, wednesday
1500
79°F
E
8 mph
1800
72°F
E
4 mph
2100
63°F
E
1 mph
August 27, thursday
0000
63°F
NE
4 mph
0300
59°F
NE
3 mph
0600
59°F
NE
3 mph
0900
68°F
NE
2 mph
1200
79°F
NE
6 mph
Units of measurement: °C / °F