Climate and monthly weather forecast
Boston, IN

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Weather in January

January, the same as December, is another cold winter month in Boston, Indiana, with an average temperature varying between 20.8°F (-6.2°C) and 32.5°F (0.3°C). January stands out as Boston's coldest month, with an average high-temperature of 32.5°F (0.3°C) and a low-temperature of 20.8°F (-6.2°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Boston, Indiana, with an average temperature varying between 24.3°F (-4.3°C) and 37.2°F (2.9°C). February's average high-temperature is a still icy 37.2°F (2.9°C), maintaining a close comparison with January's 32.5°F (0.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Boston, Indiana, with an average temperature fluctuating between 48.7°F (9.3°C) and 33.4°F (0.8°C). March brings an increase in the average high-temperature, progressing from a cold 37.2°F (2.9°C) in February to a frosty 48.7°F (9.3°C). Weather in March »

Weather in April

April is a mild spring month in Boston, Indiana, with an average temperature ranging between min 43.7°F (6.5°C) and max 60.4°F (15.8°C). With the arrival of April, the average high-temperature transitions from a frosty 48.7°F (9.3°C) in March to a mild 60.4°F (15.8°C). Weather in April »

Weather in May

May, the last month of the spring in Boston, is a pleasant month, with an average temperature varying between 71.1°F (21.7°C) and 54.5°F (12.5°C). The shift from April to May brings an increase in the average high-temperature, moving from a refreshing 60.4°F (15.8°C) to an agreeable 71.1°F (21.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Boston, Indiana, with an average temperature fluctuating between 61.7°F (16.5°C) and 78.1°F (25.6°C). Observing a slight rise in June, the average high-temperature shifts from May's pleasant 71.1°F (21.7°C) to a warm 78.1°F (25.6°C). Weather in June »

Weather in July

July, like June, in Boston, Indiana, is another warm summer month, with an average temperature fluctuating between 80.8°F (27.1°C) and 64.4°F (18°C). Boston's warmest temperatures are experienced in July, with average high temperatures of 80.8°F (27.1°C) and lows of 64.4°F (18°C). July's mean heat index is evaluated at a hot 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Boston, is also a moderately hot month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 62.1°F (16.7°C). August's beginning signals an average high-temperature of a still moderately hot 79.3°F (26.3°C), barely different from July's 80.8°F (27.1°C). Weather in August »

Weather in September

September, the first month of the autumn in Boston, is still a warm month, with an average temperature ranging between max 74.7°F (23.7°C) and min 56.7°F (13.7°C). The arrival of September sees an average high-temperature of a still warm 74.7°F (23.7°C), hardly diverging from August's 79.3°F (26.3°C). Weather in September »

Weather in October

October, like September, in Boston, Indiana, is another comfortable autumn month, with an average temperature varying between 62.1°F (16.7°C) and 46°F (7.8°C). Boston observes a minor decrease in the average high-temperature with the arrival of October, falling from September's warm 74.7°F (23.7°C) to an enjoyable 62.1°F (16.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Boston, is another chilly month, with an average temperature varying between 34.7°F (1.5°C) and 48.9°F (9.4°C). The transition into November involves a decrease in the average high-temperature, falling from a comfortable 62.1°F (16.7°C) in October to a frosty 48.9°F (9.4°C). Weather in November »

Weather in December

December, the first month of the winter in Boston, is also an icy month, with temperature in the range of an average high of 38.1°F (3.4°C) and an average low of 28.2°F (-2.1°C). December involves a decrease in temperature, down from a frosty 48.9°F (9.4°C) in November to a cold 38.1°F (3.4°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Boston?

Boston, Indiana, reaches its average lowest temperatures in January, measuring 32.5°F (0.3°C) at the peak and 20.8°F (-6.2°C) at the lowest.

What are the most humid months in Boston?

January and December, with an average relative humidity of 83%, are most humid months in Boston.

How many days does it rain in Boston?

Throughout the year, in Boston, Indiana, there are 154.1 rainfall days, and 23.74" (603mm) of precipitation is accumulated.

When does it snow in Boston?

Months with snowfall are January through April, October through December.

How much does it snow in Boston?

Throughout the year, in Boston, Indiana, there are 33.4 snowfall days, and 9.37" (238mm) of snow is accumulated.

What is the month with the least sunshine in Boston?

The month with the least sunshine is January, with an average of 3.7h of sunshine.

When is the lowest UV index in Boston?

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

When is Daylight Saving Time (DST) in Boston?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Boston, Indiana, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the wettest month in Boston?

May is the month with the most rainfall in Boston. Rain falls for 19.3 days and accumulates 3.11" (79mm) of precipitation.

When it does not snow in Boston?

In Boston, Indiana, snow does not fall in May through September.

When are the longest days in Boston?

The month with the longest days in Boston is June, with an average of 14h and 54min of daylight.

What are the months with the most sunshine in Boston?

The months with the most sunshine in Boston are June and July, with an average of 10.1h of sunshine.

When is the highest UV index in Boston?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Boston, Indiana.

What month is the hottest in Boston?

July, with average temperatures reaching a high of 80.8°F (27.1°C) and a low of 64.4°F (18°C), is the warmest month in Boston, Indiana.

What is the least humid month in Boston?

With an average relative humidity of 75%, October is the least humid month.

What is the driest month in Boston?

The month with the least rainfall in Boston is November, when the rain falls for 8.5 days and typically collects 1.5" (38mm) of precipitation.

What is the snowiest month in Boston?

The month with the most snowfall is December, when snow falls for 7.9 days and typically aggregates up to 2.28" (58mm) of snow.

What is the month with the shortest days in Boston?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

Average temperature
Boston, IN

Average temperature - Boston, IN

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.5°F).

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

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Average pressure
Boston, IN

Average pressure - Boston, IN

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Boston, IN

Average wind speed - Boston, IN

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity
Boston, IN

Average humidity - Boston, IN

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (75%).

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Average rainfall
Boston, IN

Average rainfall - Boston, IN

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is November (1.5").

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Average rainfall days
Boston, IN

Average rainfall days - Boston, IN

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (7.4 days).

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Average snowfall
Boston, IN

Average snowfall - Boston, IN

The month with the highest snowfall is December (2.28").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Boston, IN

Average snowfall days - Boston, IN

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Boston, IN

Average daylight / Average sunshine - Boston, IN

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days
Boston, IN

Average sunshine days - Boston, IN

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (9.8 days).

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Average UV index
Boston, IN

Average UV index - Boston, IN

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average visibility
Boston, IN

Average visibility - Boston, IN

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Boston, Indiana, USA

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