Climate and monthly weather forecast
Hamilton, MA

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Weather in January

January, the same as December, is a wintry winter month in Hamilton, Massachusetts, with an average temperature varying between 24.6°F (-4.1°C) and 34.3°F (1.3°C). Hamilton's coldest month, January, generally records average temperatures ranging from a high of 34.3°F (1.3°C) to a low of 24.6°F (-4.1°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Hamilton, Massachusetts, with an average temperature fluctuating between 25.5°F (-3.6°C) and 36°F (2.2°C). January's transformation into February witnesses an average high-temperature of a still cold 36°F (2.2°C), noting a minor change from the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is still a cold month in Hamilton, Massachusetts, with an average temperature fluctuating between 41°F (5°C) and 31.8°F (-0.1°C). In the transition from February to March, Hamilton reports an average high-temperature of a still icy 41°F (5°C), indicating a close resemblance to the prior month. Weather in March »

Weather in April

April in Hamilton, Massachusetts, is a fresh spring month, with an average temperature ranging between min 40.5°F (4.7°C) and max 50.9°F (10.5°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a cold 41°F (5°C) to a cool 50.9°F (10.5°C). Weather in April »

Weather in May

May, the last month of the spring in Hamilton, is a refreshing month, with an average temperature fluctuating between 49.8°F (9.9°C) and 59.7°F (15.4°C). With the onset of May, Hamilton's weather sees a minor temperature rise, transitioning from a cool 50.9°F (10.5°C) in April to a moderate 59.7°F (15.4°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Hamilton, Massachusetts, with an average temperature ranging between min 57°F (13.9°C) and max 68°F (20°C). June signifies a subtle uplift in the average high-temperature, adjusting from a refreshing 59.7°F (15.4°C) in May to an agreeable 68°F (20°C). Weather in June »

Weather in July

July is a warm summer month in Hamilton, Massachusetts, with an average temperature ranging between max 75.7°F (24.3°C) and min 64.9°F (18.3°C). Hamilton experiences its highest average temperatures in July, reaching a peak of 75.7°F (24.3°C) and a minimum of 64.9°F (18.3°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Hamilton, Massachusetts, with an average temperature fluctuating between 64.6°F (18.1°C) and 75°F (23.9°C). August's commencement is accompanied by an average high-temperature of a still moderately hot 75°F (23.9°C), diverging marginally from July's 75.7°F (24.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Hamilton, Massachusetts, with an average temperature fluctuating between 69.1°F (20.6°C) and 58.6°F (14.8°C). September is characterized by a mild reduction in the average high-temperature, from a moderately hot 75°F (23.9°C) in August to a pleasant 69.1°F (20.6°C). Weather in September »

Weather in October

October, the same as September, in Hamilton, Massachusetts, is a moderate autumn month, with an average temperature fluctuating between 59.2°F (15.1°C) and 49.8°F (9.9°C). With October's onset, the average high-temperature recedes from September's pleasant 69.1°F (20.6°C) to a refreshing 59.2°F (15.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Hamilton, is also a frosty month, with temperature in the range of an average high of 48.4°F (9.1°C) and an average low of 39.4°F (4.1°C). The arrival of November corresponds with a shift in temperature, down from a moderate 59.2°F (15.1°C) in October to a frosty 48.4°F (9.1°C). Weather in November »

Weather in December

December, the first month of the winter in Hamilton, is also an icy month, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 39.7°F (4.3°C). With the onset of December, Hamilton's climate undergoes a slight change as the average high-temperature moves from a chilly 48.4°F (9.1°C) in November to an icy 39.7°F (4.3°C). Weather in December »
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January is the coldest month, with an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 24.6°F (-4.1°C).

What is the driest month?

The month with the least rainfall is January, when the rain falls for 6.4 days and typically collects 0.59" (15mm) of precipitation.

How much does it rain?

In Hamilton, Massachusetts, during the entire year, the rain falls for 113.7 days and collects up to 9.69" (246mm) of precipitation.

When does it snow?

Months with snowfall in Hamilton are January through April, November and December.

How much does it snow in Hamilton?

Throughout the year, there are 23.9 snowfall days, and 3.35" (85mm) of snow is accumulated.

What are the months with the lowest UV index?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What are the months with the least sunshine?

February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Hamilton.

What is the snowiest month?

The month with the most snowfall is March, when snow falls for 4.4 days and typically aggregates up to 0.94" (24mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.

When it does not snow?

May through October are months without snowfall.

What is the most humid month?

The most humid month in Hamilton is June, with an average relative humidity of 79%.

When are the longest days?

The month with the longest days is June, with an average of 15h and 18min of daylight.

What is the hottest time of year?

July proves to be the warmest month, recording an average peak temperature of 75.7°F (24.3°C) and a minimum temperature of 64.9°F (18.3°C).

What is the wettest month?

The month with the most rainfall is July, when the rain falls for 12.8 days and typically aggregates up to 1.1" (28mm) of precipitation.

What are the months with the highest UV index?

July and August, with an average maximum UV index of 6, are months with the highest UV index.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.8h of sunshine.

What is the least humid month?

The least humid month is November, with an average relative humidity of 73%.

What is the month with the shortest days?

With an average of 9h and 6min of daylight, December has the shortest days of the year.

Average temperature
Hamilton, MA

Average temperature - Hamilton, MA

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (34.3°F).

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure
Hamilton, MA

Average pressure - Hamilton, MA

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
Hamilton, MA

Average wind speed - Hamilton, MA

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity
Hamilton, MA

Average humidity - Hamilton, MA

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is November (73%).

Average rainfall
Hamilton, MA

Average rainfall - Hamilton, MA

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days
Hamilton, MA

Average rainfall days - Hamilton, MA

The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (6.4 days).

Average snowfall
Hamilton, MA

Average snowfall - Hamilton, MA

The month with the highest snowfall is March (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Hamilton, MA

Average snowfall days - Hamilton, MA

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Hamilton, MA

Average daylight / Average sunshine - Hamilton, MA

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days
Hamilton, MA

Average sunshine days - Hamilton, MA

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (16 days).

Average UV index
Hamilton, MA

Average UV index - Hamilton, MA

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

Average visibility
Hamilton, MA

Average visibility - Hamilton, MA

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).

Hamilton, Massachusetts, USA

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