World Resorts Canada Saint John

Saint John Monthly Weather Averages

Please click on any column to get detailed information about Saint John weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

The warmest month in Saint John is july. The average daily temp is 72.6°F. The average nightly temp is 60.6°F.

Sea water temperature, °F

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 59.6°F.

Precipitation total, in.

May is the month with least precipitations during the year. The average precipitation totals for this month is 0.9 in. The month with most precipitation total is July.

Number of rainy days

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

Best time for vacation in Saint John

Sunniest months:
September 10 days
October 10 days
August 9 days
Warmest months:
July 72.6 °F
August 71.8 °F
June 68.1 °F
Warmest sea temp:
August 59.6 °F
September 58.4 °F
July 56.9 °F
Coldest months:
January 25.6 °F
February 25.9 °F
December 32.5 °F
Rainiest months:
October 3 days
July 3 days
June 2 days
Windiest months:
December 9.0 mph
March 8.8 mph
February 8.6 mph

Saint John on a weather map

Saint John
+19°F
NE 2 mph
Feels like: +16°F
Precip.: 0%
Places in Canada:
Name
°F
+36°F
+39°F
-4°F
+19°F
-4°F
+16°F
+36°F
+18°F
+55°F
+19°F
+19°F
+32°F
+27°F
+39°F
24 Hours Forecast
Saint John
Local time: 02:42
December 29, monday
0300
19°F
NE
2 mph
0600
18°F
E
2 mph
0900
27°F
NW
4 mph
1200
34°F
NW
10 mph
1500
36°F
NW
15 mph
1800
37°F
NW
17 mph
2100
39°F
NW
21 mph
December 30, tuesday
0000
41°F
NW
11 mph
Units of measurement: °C / °F