The climate of Saint John’s New Brunswick
Saint Johns is the largest city in the province of New Brunswick and one of the oldest cities in Canada. The city is located on the Bay of Fundy and the River St. John. Saint John has a humid temperate continental climate. The Bay of Fundy, on which the city is located, never gets completely frozen. This ensures that the temperature drops less in winter than in other, more inland places in the province. However, the wind comes from land in winter. This ensures that the temperature can still drop to a cool 19 °C. Summers are slightly less warm, with average temperatures of 25 °C. In the summer in particular, there can be dense fog in the morning. This usually goes away quickly. There is an average of 1400 mm of precipitation throughout the year. Winter and spring are the wettest periods.
Climate figures
The figures below are based on long-term average climate statistics. The temperatures are displayed in degrees Celsius (°C).
| maximum temperature | minimum temperature | hours of sunshine per day | days of rainfall per month | amount of rainfall per month | |
| January | -4℃ | -15℃ | 4 | 12 | |
| February | -3℃ | -14℃ | 5 | 10 | |
| March | 2℃ | -8℃ | 5 | 12 | |
| April | 9℃ | -1℃ | 5 | 12 | |
| May | 17℃ | 4℃ | 7 | 13 | |
| June | 23℃ | 10℃ | 7 | 12 | |
| July | 25℃ | 13℃ | 8 | 12 | |
| August | 24℃ | 12℃ | 7 | 12 | |
| September | 19℃ | 7℃ | 6 | 11 | |
| October | 13℃ | 2℃ | 4 | 12 | |
| November | 5℃ | -3℃ | 3 | 13 | |
| December | -2℃ | -11℃ | 3 | 13 |
Weather in Saint John’s New Brunswick
Here you will find the weather forecast for Saint John’s New Brunswick. View the current weather in Saint John’s New Brunswick and the forecast for the coming days, such as temperatures, the chance of precipitation, wind direction and wind strength. With this weather data you can see what kind of weather to expect in Saint John’s New Brunswick. Based on the climate statistics, we describe the weather per month in Saint John’s New Brunswick. This is not a long-term forecast, but gives the average weather forecast for all months of the year. Do you want to see the full weather forecast for Saint John’s New Brunswick? On the page with extra weather information we show the chance of snow, the wind chill, visibility, UV strength, air pressure and more good weather information.
An average weather picture per month can be compiled on the basis of long-term climate statistics, certain weather patterns and specific events.
The weather in January
In January, the average maximum temperature in Saint John’s New Brunswick is around -4 degrees Celsius. The average minimum temperature in January is -15 degrees. The number of hours that the sun is visible in January at this destination is around 4 hours per day. Within the whole month there is precipitation for about 12 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.
The weather in February
In the month of February, the average maximum temperature in Saint John’s New Brunswick is around -3 degrees Celsius. The average minimum temperature in February is -14 degrees. The number of hours that the sun is visible in February at this destination is around 5 hours per day. Within the whole month there is precipitation for about 10 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.
The weather in March
In the month of March, the average maximum temperature in Saint John’s New Brunswick is around 2 degrees Celsius. The average minimum temperature in March is -8 degrees. The number of hours that the sun is visible in March at this destination is around 5 hours per day. Within the whole month there is precipitation for about 12 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.
The weather in April
In the month of April, the average maximum temperature in Saint John’s New Brunswick is around 9 degrees Celsius. The average minimum temperature in April is -1 degrees. The number of hours that the sun is visible in April at this destination is around 5 hours per day. Within the whole month there is precipitation for about 12 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.
The weather in May
In the month of May, the average maximum temperature in Saint John’s New Brunswick is around 17 degrees Celsius. The average minimum temperature in May is 4 degrees. The number of hours that the sun is visible in May in this destination is around 7 hours per day. Within the whole month there is precipitation for about 13 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.
The weather in June
In the month of June, the average maximum temperature in Saint John’s New Brunswick is around 23 degrees Celsius. The average minimum temperature in June is 10 degrees. The number of hours that the sun is visible in June at this destination is around 7 hours per day. Within the whole month there is precipitation for about 12 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.
The weather in July
In July, the average maximum temperature in Saint John’s New Brunswick is around 25 degrees Celsius. The average minimum temperature in July is 13 degrees. The number of hours that the sun is visible in July at this destination is around 8 hours per day. Within the whole month there is precipitation for about 12 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.
The weather in August
In the month of August, the average maximum temperature in Saint John’s New Brunswick is around 24 degrees Celsius. The average minimum temperature in August is 12 degrees. The number of hours that the sun is visible in August in this destination is around 7 hours per day. Within the whole month there is precipitation for about 12 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.
The weather in September
In the month of September, the average maximum temperature in Saint John’s New Brunswick is around 19 degrees Celsius. The average minimum temperature in September is 7 degrees. The number of hours that the sun is visible in September at this destination is around 6 hours per day. Within the whole month there is rainfall for about 11 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.
The weather in October
In the month of October, the average maximum temperature in Saint John’s New Brunswick is around 13 degrees Celsius. The average minimum temperature in October is 2 degrees. The number of hours that the sun is visible in October at this destination is around 4 hours per day. Within the whole month there is precipitation for about 12 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.
The weather in November
In November, the average maximum temperature in Saint John’s New Brunswick is around 5 degrees Celsius. The average minimum temperature in November is -3 degrees. The number of hours that the sun is visible in November at this destination is around 3 hours per day. Within the whole month there is precipitation for about 13 days. If you look at the long-term averages, this results in a month with quite a lot of precipitation.
The weather in December
In the month of December, the average maximum temperature in Saint John’s New Brunswick is around -2 degrees Celsius. The average minimum temperature in December is -11 degrees. The number of hours that the sun is visible in December at this destination is around 3 hours per day. Within the whole month there is precipitation for about 13 days. If you look at the long-term averages, this results in a month with quite a lot of precipitation.
