When is the best time to go to Boston
The chart above shows the best time of year to visit Boston, 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 Boston
Boston weather by month
Please note our recommendations for when to visit Boston 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 |
|---|---|---|---|---|
| 1°C | 93mm | 5.8hrs | 10.5hrs | 5°C |
The weather in January in Boston is characteristically cold and a little damp.
Based on weather alone, this is probably a time of year to avoid going to Boston for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
January is in the winter in Boston and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing 1°C (35°F), whilst at night -8°C (18°F) is normal.
On average January is the driest month of the year in Boston with around 93mm 3.7 inches of rain making it a a little 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 5.8 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 2°C | 93mm | 6.4hrs | 11.6hrs | 4°C |
February in Boston is generally a little damp with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Boston for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
February is in the winter in Boston and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing 3°C (37°F), whilst at night -7°C (20°F) is normal.
On average February is the 2nd driest month of the year in Boston with around 93mm 3.6 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 6.4 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 7°C | 97mm | 7.2hrs | 12.8hrs | 4°C |
The weather in March in Boston is characteristically cool and a little damp.
Based on weather alone, this is probably a time of year to avoid going to Boston for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
March is in the spring in Boston and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night -2°C (29°F) is normal.
On average March is the 3rd driest month of the year in Boston with around 97mm 3.8 inches of rain making it a a little 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 7.2 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 12°C | 93mm | 7.9hrs | 14.3hrs | 5°C |
Boston's weather in April is typically cool and a little damp in nature.
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 Boston.
April is in the spring in Boston and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 3°C (38°F) is normal.
On average April is the 4th driest month of the year in Boston with around 93mm 3.7 inches of rain making it a a little 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 7.9 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 18°C | 85mm | 8.9hrs | 15.6hrs | 9°C |
May is a a little damp month in Boston and the temperature is generally mild.
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 Boston.
May is in the spring in Boston and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 9°C (48°F) is normal.
On average May is the 5th driest month of the year in Boston with around 85mm 3.3 inches of rain making it a a little 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 8.9 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 22°C | 80mm | 9.9hrs | 10.5hrs | 14°C |
Warm and reasonably dry weather often prevails in Boston during the month of June
It is perhaps the perfect month to visit Boston, with some extremely good weather at this time of year.
June is in the summer in Boston and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 14°C (57°F) is normal.
On average June is the 6th driest month of the year in Boston with around 80mm 3.1 inches of rain making it a reasonably dry 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 9.9 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 25°C | 75mm | 10.2hrs | 11.6hrs | 19°C |
July in Boston is generally reasonably dry with the temperature being warm.
It is perhaps the perfect month to visit Boston, with some particularly good weather at this time of year.
July is in the summer in Boston and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 17°C (63°F) is normal.
On average July is the 6th wettest month of the year in Boston with around 75mm 2.9 inches of rain making it a reasonably dry 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 10.2 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 24°C | 85mm | 9.4hrs | 12.8hrs | 20°C |
The weather in August in Boston is characteristically warm, humid and a little damp.
It is perhaps the perfect month to visit Boston, with some very good weather at this time of year.
August is in the summer in Boston and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 16°C (62°F) is normal.
On average August is the 5th wettest month of the year in Boston with around 85mm 3.3 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 9.4 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 20°C | 82mm | 8.3hrs | 14.3hrs | 18°C |
Boston's weather in September is typically mild and a little damp in nature.
It is perhaps the perfect month to visit Boston, with some surprisingly good weather at this time of year.
September is in the fall / autumn in Boston and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 12°C (54°F) is normal.
On average September is the 4th wettest month of the year in Boston with around 82mm 3.2 inches of rain making it a a little 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 8.3 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 15°C | 87mm | 7.1hrs | 15.6hrs | 14°C |
October is a a little damp month in Boston and the temperature is generally mild.
It is perhaps a good month to visit Boston, with some very good weather at this time of year.
October is in the fall / autumn in Boston and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 6°C (44°F) is normal.
On average October is the 3rd wettest month of the year in Boston with around 87mm 3.4 inches of rain making it a a little 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 7.1 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 10°C | 111mm | 5.2hrs | 10.5hrs | 11°C |
November is a damp month in Boston and the temperature is generally cool.
Based on weather alone, this is probably a time of year to avoid going to Boston for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
November is in the fall / autumn in Boston and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 11°C (51°F), whilst at night 2°C (35°F) is normal.
On average November is the 2nd wettest month of the year in Boston with around 111mm 4.4 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 5.2 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 4°C | 105mm | 5.1hrs | 11.6hrs | 8°C |
December in Boston is generally damp with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Boston for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
December is in the winter in Boston and is typically the warmest month of the year. Daytime maximum temperatures average around a freezing 4°C (39°F), whilst at night -5°C (24°F) is normal.
On average December is the wettest month of the year in Boston with around 105mm 4.1 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 5.1 hours of sunshine per day.
Other monthly averages
Boston weather stats
| Hottest month: | July | 27.6°C 81.7°F |
|---|---|---|
| Driest month: | July | 75mm 3ins |
| Sunniest month: | July | 10.2hrs |
| Coldest month: | January | 1.2°C 34.2°F |
| Wettest month: | November | 111mm 4.4ins |
| Warmest sea: | August | 19.8°C 67.6°F |
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