Boston (United States of America) in general has a mild continental climate. The day temperatures range from 2.7 °C (36.9 °F) in January to 28.6 °C (83.5 °F) in July. Temperatures during the night go from -6.8 °C (19.8 °F) in January to 17.1 °C (62.8 °F) in July. The driest month is September with just 9 days of rain, on the contrary, the month when it rains the most is June with 12 days of rain.

January weather

The minimum of the day temperature is observable, its value is 2.7 °C (36.9 °F) in Boston, while the descent of the sea temperature can be observed, with its value being 4.8 °C (40.7 °F). The number of rainy days descent's start could be observed, with its value being 10 days, and the rainfall amount starts to descent too, the value of this measure is 91 mm (3.59 in). The number of sun hours (without clouds) starts to rise, its value is 5 hours. The night temperature is on its minimum, its value is -6.8 °C (19.8 °F).

February weather

The day temperature rise's start could be observed, with its value being 4.2 °C (39.6 °F) in Boston, while the minimum of the sea temperature is observable, with its value being 3.3 °C (38.0 °F). The minimum of the rainfall amount is observable, with its value of 87 mm (3.42 in). The beginning of the rise of the night temperature could be noticed, the value of this measure is -5.5 °C (22.1 °F). The wind speed is on its maximum, with its value of 5.0. The number of sun hours (without clouds) continues to rise, its value is 6 hours.

March weather

The number of rainy days rise's start could be observed, with its value of 11 days in Boston, while the rainfall amount is on its maximum, the value of this measure is 111 mm (4.37 in). The day temperature continues to rise, with its value being 8.1 °C (46.6 °F), and the night temperature rises similarly to the previous month too, with its value being -1.8 °C (28.8 °F). The number of sun hours (without clouds) rises similarly to the previous month, with its value being 6 hours.

April weather

The rise of the day temperature can be observed, with its value being 14.3 °C (57.7 °F) in Boston, while the sea temperature starts to rise, with its value being 5.7 °C (42.3 °F). The beginning of the descent of the rainfall amount could be noticed, with its value being 103 mm (4.06 in). The night temperature continues to rise, with its value of 3.1 °C (37.6 °F). The humidity reaches its minimum, its value is 61 %. The number of sun hours (without clouds) rises similarly to the previous month, its value is 7 hours.

May weather

The day temperature rises similarly to the previous month, with its value being 20.0 °C (68.0 °F) in Boston, and the sea temperature rises similarly to the previous month too, its value is 9.8 °C (49.6 °F). The tourist season slowly starts. The descent of the rainfall amount can be observed, its value is 90 mm (3.55 in). The night temperature continues to rise, the value of this measure is 8.3 °C (46.9 °F). The number of sun hours (without clouds) rises similarly to the previous month, with its value being 8 hours.

June weather

The rise of the day temperature can be observed in Boston, and the sea temperature rises similarly to the previous month too, with its value of 14.3 °C (57.8 °F). There is pending tourist season. The rainfall amount rise's start could be observed, with its value being 99 mm (3.90 in), while the maximum of the number of rainy days is observable in June. The rise of the night temperature can be observed, with its value being 13.8 °C (56.8 °F).

July weather

The tourist season is close to its peak in July in Boston. The rise of the sea temperature can be observed, the value of this measure is 17.8 °C (64.0 °F), while the day temperature is on its maximum, the value of this measure is 28.6 °C (83.5 °F). The night temperature is on its maximum in this month. The number of rainy days descent's start could be observed, with its value being 10 days. The maximum of the number of sun hours (without clouds) is observable in July.

August weather

There is pending tourist season in Boston. The day temperature descent's start could be observed, the value of this measure is 27.8 °C (82.0 °F), while the sea temperature reaches its maximum in August. The number of sun hours (without clouds) starts to descent in this month. The minimum of the wind speed can be noticed in August.

September weather

The day temperature descents similarly to the previous month, with its value of 23.8 °C (74.8 °F) in Boston, while the beginning of the descent of the sea temperature could be noticed, with its value being 16.8 °C (62.3 °F). The tourist season is close to its peak in September. The number of rainy days reaches its minimum, with its value of 9 days. The maximum of the humidity can be noticed, its value is 73 %. The beginning of the descent of the night temperature could be noticed, with its value of 12.5 °C (54.5 °F).

October weather

The day temperature descents similarly to the previous month, with its value of 17.5 °C (63.5 °F) in Boston, and the descent of the sea temperature can be observed as well, with its value of 13.4 °C (56.1 °F). The rainfall amount starts to rise in this month. The night temperature continues to descent, with its value of 6.2 °C (43.2 °F). The number of sun hours (without clouds) descents similarly to the previous month, with its value being 6 hours.

November weather

The day temperature continues to descent, with its value of 11.7 °C (53.1 °F) in Boston, and the sea temperature descents similarly to the previous month too, the value of this measure is 10.2 °C (50.3 °F). The number of rainy days starts to rise, with its value being 10 days. The night temperature continues to descent, its value is 1.8 °C (35.2 °F). The number of sun hours (without clouds) continues to descent, its value is 5 hours.

December weather

The day temperature continues to descent, the value of this measure is 5.3 °C (41.5 °F) in Boston, and the descent of the sea temperature can be observed as well, with its value being 7.4 °C (45.3 °F). The night temperature descents similarly to the previous month, its value is -3.5 °C (25.7 °F). The number of rainy days continues to rise, its value is 11 days. The minimum of the number of sun hours (without clouds) is observable in this month. The minimum of the day length can be noticed in this month.

FAQs

Is April part of the dry season in Boston?

No, April is not a dry month in Boston, expect rain approximately 11 days in a month.

What is the average number of rainy days in May in Boston?

There are 11 days, which are rainy in May in Boston, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.7 days of the week, or in general - 38 % days.

Is June a good month to visit Boston?

There are good conditions for visiting in Boston in June. The temperature during the day will be nice 25.4 °C (77.7 °F). The temperature of 13.8 °C (56.8 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

Is it hot in July in Boston?

In July in Boston, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

Is August part of the wet season in Boston?

No, there is no wet season in August in Boston - you can expect 10 days of rain during the month.

What temperature can I expect during the day in September in Boston?

The average daily temperature in September in Boston is 23.8 °C (74.8 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

How many hours of sun to expect in October in Boston?

In October in Boston, you can expect around 6 hours of sunshine.

What is the night temperature in Boston in November?

The average night temperature in Boston in November is 1.8 °C (35.2 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.