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Saint John weather in August

Weather in Saint John: August

Average day temperature: 72.5°F
Average night temperature: 60.4°F
Sea water temperature: 59.6°F
Number of sunny days: 9 days
Day length: 13.3 - 14.7 hours
Number of rainy days: 2 days
Precipitation totals: 1.3 in.

Air temperature in August, °F

Show year:
2024
2023
2022

The highest day temperature during August of 2024 was 76°F. At the same time the lowest night temperature was 49°F. Day and night temperature averages during August were 68.5°F and 57.4°F.

Sea water temperature in Saint John in August, °F

Show year:
2024
2023
2022

The average sea water temperature in August of 2024 was 59.3°F. The highest and lowest sea temperatures during the month were 61.5°F and 56.3°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 Saint John in August is 1.3 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 5.9 mph It makes August lest windy month 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: 6.7.

Best time for vacation in Saint John

Sunniest months:
September 10 days
August 9 days
October 9 days
Warmest months:
July 73.7 °F
August 72.5 °F
June 68.5 °F
Warmest sea temp:
August 59.6 °F
September 58.3 °F
July 57.2 °F
Coldest months:
January 25.3 °F
February 25.8 °F
December 33.1 °F
Rainiest months:
July 4 days
March 3 days
October 3 days
Windiest months:
March 8.8 mph
December 8.5 mph
February 8.3 mph

Saint John on a weather map

Saint John
+41°F
SW 12 mph
Feels like: +34°F
Precip.: 0%
Places in Canada:
Name
°F
+43°F
+46°F
+30°F
+46°F
+30°F
-11°F
+37°F
+41°F
+43°F
+41°F
+43°F
+45°F
+41°F
+39°F
24 Hours Forecast
Saint John
Local time: 10:38
November 21, thursday
1200
43°F
SW
10 mph
1500
43°F
SW
12 mph
1800
43°F
SW
13 mph
2100
43°F
SW
11 mph
November 22, friday
0000
43°F
SW
10 mph
0300
45°F
SW
12 mph
0600
46°F
W
12 mph
0900
46°F
W
12 mph
Units of measurement: °C / °F