The weather in Saint John for 14 days
This graph shows the temperature in Saint John for the next 14 days, indicated in degrees Celsius.
Precipitation in Saint John for 14 days
This graph shows the precipitation in Saint John for the next 14 days, indicated in millimeters.weather
max/min
rain
wind
uv
Average weather in Saint John per month
Click on a month below to see in detail how the weather typically is in Saint John and what to expect. Based on the historical weather data of Saint John, you can view the average temperature, precipitation, wind, and UV index for each day of the month.