When is the best time to go to Saint John
The chart above shows the best time of year to visit Saint John, United States. 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 |
|---|---|---|---|
| 5°C | 13mm | 7.1hrs | 10.8hrs |
January is a dry month in Saint John and the temperature is generally cold.
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.
January is in the winter in Saint John and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing 5°C (41°F), whilst at night -9°C (17°F) is normal.
On average January is the driest month of the year in Saint John with around 13mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
Saint John weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 8°C | 19mm | 7.5hrs | 11.7hrs |
February in Saint John is generally dry with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Saint John for your holidays. The weather is often pretty 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 cold 9°C (48°F), whilst at night -6°C (21°F) is normal.
On average February is the 2nd driest month of the year in Saint John with around 19mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 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 February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 13°C | 46mm | 8.2hrs | 12.8hrs |
The weather in March in Saint John is characteristically cool and reasonably dry.
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.
March is in the spring in Saint John and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 14°C (58°F), whilst at night -1°C (30°F) is normal.
On average March is the 3rd driest month of the year in Saint John with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 55mm | 9.5hrs | 14.1hrs |
Saint John's weather in April is typically mild and reasonably dry in nature.
It is perhaps the perfect month to visit Saint John, with some surprisingly good weather at this time of year.
April is in the spring in Saint John and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 21°C (69°F), whilst at night 5°C (42°F) is normal.
On average April is the 4th driest month of the year in Saint John with around 55mm 2.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.5 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 23°C | 88mm | 10.2hrs | 15.1hrs |
May is a a little damp month in Saint John and the temperature is generally warm.
It is perhaps a good month to visit Saint John, with some surprisingly good weather at this time of year.
May is in the spring in Saint John and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 26°C (78°F), whilst at night 11°C (53°F) is normal.
On average May is the 5th driest month of the year in Saint John with around 88mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.2 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 101mm | 11.6hrs | 10.8hrs |
The weather in June in Saint John is characteristically hot and damp.
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.
June is in the summer in Saint John and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 31°C (88°F), whilst at night 17°C (62°F) is normal.
On average June is the 6th driest month of the year in Saint John with around 101mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.6 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 31°C | 82mm | 12.2hrs | 11.7hrs |
July in Saint John is generally a little damp with the temperature being hot.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Saint John.
July is in the summer in Saint John and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a warm 34°C (94°F), whilst at night 20°C (67°F) is normal.
On average July is the 6th wettest month of the year in Saint John with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 12.2 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 80mm | 11hrs | 12.8hrs |
The weather in August in Saint John is characteristically hot 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.
August is in the summer in Saint John and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a warm 33°C (91°F), whilst at night 18°C (65°F) is normal.
On average August is the 5th wettest month of the year in Saint John with around 80mm 3.1 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 11 hours of sunshine per day.
Saint John weather in August »
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 25°C | 67mm | 9.3hrs | 14.1hrs |
Saint John's weather in September is typically warm and reasonably dry in nature.
It is perhaps a good month to visit Saint John, with some particularly good weather at this time of year.
September is in the fall / autumn in Saint John and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 14°C (56°F) is normal.
On average September is the 4th wettest month of the year in Saint John with around 67mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.3 hours of sunshine per day.
Saint John weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 46mm | 8.4hrs | 15.1hrs |
October is a reasonably dry month in Saint John and the temperature is generally mild.
It is perhaps the perfect month to visit Saint John, with some surprisingly good weather at this time of year.
October is in the fall / autumn in Saint John and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 7°C (44°F) is normal.
On average October is the 3rd wettest month of the year in Saint John with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.4 hours of sunshine per day.
Saint John weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 12°C | 29mm | 6.7hrs | 10.8hrs |
November in Saint John is generally dry with the temperature being cool.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Saint John.
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 cool 13°C (56°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 29mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.7 hours of sunshine per day.
Saint John weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 6°C | 20mm | 6.4hrs | 11.7hrs |
December in Saint John is generally dry 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 cold 7°C (44°F), whilst at night -7°C (20°F) is normal.
On average December is the wettest month of the year in Saint John with around 20mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
Other monthly averages
Saint John weather stats
| Hottest month: | July | 33.9°C 93°F |
|---|---|---|
| Driest month: | January | 13mm 0.5ins |
| Sunniest month: | July | 12.2hrs |
| Coldest month: | January | 4.8°C 40.6°F |
| Wettest month: | June | 101mm 4ins |
| Warmest sea: | August | 21.1°C 70°F |
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