When is the best time to go to Saint John
The chart above shows the best time of year to visit Saint John, Canada. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Saint John
Saint John weather by month
Please note our recommendations for when to visit Saint John are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| -2°C | 126mm | 3.9hrs | 10.3hrs | 4°C |
The weather in January in Saint John is characteristically cold and wet.
Based on weather alone, this is probably a time of year to avoid going to Saint John for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
January is in the winter in Saint John and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing -2°C (28°F), whilst at night -11°C (12°F) is normal.
On average January is the driest month of the year in Saint John with around 126mm 5 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.9 hours of sunshine per day.
Saint John weather in January »
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| -1°C | 104mm | 4.8hrs | 11.4hrs | 2°C |
February in Saint John is generally damp with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Saint John for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
February is in the winter in Saint John and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing -1°C (30°F), whilst at night -11°C (13°F) is normal.
On average February is the 2nd driest month of the year in Saint John with around 104mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.8 hours of sunshine per day.
Saint John weather in February »
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 2°C | 95mm | 5hrs | 12.8hrs | 2°C |
The weather in March in Saint John is characteristically cold and a little damp.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Saint John.
March is in the spring in Saint John and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing 3°C (37°F), whilst at night -5°C (23°F) is normal.
On average March is the 3rd driest month of the year in Saint John with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 7°C | 100mm | 5.8hrs | 14.5hrs | 3°C |
Saint John's weather in April is typically cool and damp in nature.
Based on weather alone, this is probably a time of year to avoid going to Saint John for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
April is in the spring in Saint John and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night -0°C (32°F) is normal.
On average April is the 4th driest month of the year in Saint John with around 100mm 3.9 inches of rain making it a damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.8 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 12°C | 109mm | 7hrs | 15.9hrs | 6°C |
May is a damp month in Saint John and the temperature is generally cool.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Saint John.
May is in the spring in Saint John and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 5°C (41°F) is normal.
On average May is the 5th driest month of the year in Saint John with around 109mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 17°C | 96mm | 7.7hrs | 10.3hrs | 10°C |
June is a a little damp month in Saint John and the temperature is generally mild.
It is perhaps a good month to visit Saint John, with some extremely good weather at this time of year.
June is in the summer in Saint John and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 9°C (49°F) is normal.
On average June is the 6th driest month of the year in Saint John with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 19°C | 100mm | 7.8hrs | 11.4hrs | 14°C |
July in Saint John is generally a little damp with the temperature being mild.
It is perhaps the perfect month to visit Saint John, with some inordinately good weather at this time of year.
July is in the summer in Saint John and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 12°C (54°F) is normal.
On average July is the 6th wettest month of the year in Saint John with around 100mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 19°C | 97mm | 7.5hrs | 12.8hrs | 15°C |
The weather in August in Saint John is characteristically mild and a little damp.
It is perhaps the perfect month to visit Saint John, with some very good weather at this time of year.
August is in the summer in Saint John and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 21°C (71°F), whilst at night 13°C (55°F) is normal.
On average August is the 5th wettest month of the year in Saint John with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.5 hours of sunshine per day.
Saint John weather in August »
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 16°C | 104mm | 6.3hrs | 14.5hrs | 14°C |
Saint John's weather in September is typically mild and damp in nature.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Saint John.
September is in the fall / autumn in Saint John and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 10°C (49°F) is normal.
On average September is the 4th wettest month of the year in Saint John with around 104mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.3 hours of sunshine per day.
Saint John weather in September »
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 11°C | 106mm | 5hrs | 15.9hrs | 12°C |
October is a damp month in Saint John and the temperature is generally cool.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Saint John.
October is in the fall / autumn in Saint John and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 12°C (54°F), whilst at night 5°C (40°F) is normal.
On average October is the 3rd wettest month of the year in Saint John with around 106mm 4.2 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
Saint John weather in October »
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 6°C | 133mm | 3.5hrs | 10.3hrs | 9°C |
Cool and wet weather often prevails in Saint John during the month of November
Based on weather alone, this is probably a time of year to avoid going to Saint John for your holidays. The weather is often not a good and not conducive to spending time outdoors.
November is in the fall / autumn in Saint John and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cold 7°C (44°F), whilst at night -1°C (31°F) is normal.
On average November is the 2nd wettest month of the year in Saint John with around 133mm 5.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.5 hours of sunshine per day.
Saint John weather in November »
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 1°C | 145mm | 3.3hrs | 11.4hrs | 6°C |
December in Saint John is generally wet with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Saint John for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
December is in the winter in Saint John and is typically the warmest month of the year. Daytime maximum temperatures average around a freezing 1°C (33°F), whilst at night -8°C (18°F) is normal.
On average December is the wettest month of the year in Saint John with around 145mm 5.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.3 hours of sunshine per day.
Other monthly averages
Saint John weather stats
| Hottest month: | August | 21.1°C 70°F |
|---|---|---|
| Driest month: | March | 95mm 3.7ins |
| Sunniest month: | August | 7.5hrs |
| Coldest month: | January | -2.3°C 27.9°F |
| Wettest month: | December | 145mm 5.7ins |
| Warmest sea: | August | 15°C 59°F |
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