Climate and monthly weather forecast
Westfield, MA

Weather in January

January, the same as December, in Westfield, Massachusetts, is another subzero cold winter month, with an average temperature varying between 18°F (-7.8°C) and 30.6°F (-0.8°C). With an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18°F (-7.8°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Westfield, is a cold month, with an average temperature fluctuating between 19.2°F (-7.1°C) and 34°F (1.1°C). In Westfield, the average high-temperature in February is practically the same as in January - a cold 34°F (1.1°C). Weather in February »

Weather in March

March, the first month of the spring in Westfield, is still a cold month, with an average temperature ranging between min 27°F (-2.8°C) and max 42.3°F (5.7°C). In March, the average high-temperature marginally rises from a cold 34°F (1.1°C) in February to a still wintry 42.3°F (5.7°C). Weather in March »

Weather in April

April is a mild spring month in Westfield, Massachusetts, with temperature in the range of an average high of 55.9°F (13.3°C) and an average low of 37.9°F (3.3°C). In Westfield, the average high-temperature in April rises from a cold 42.3°F (5.7°C) in March to a moderate 55.9°F (13.3°C). Weather in April »

Weather in May

May, the last month of the spring in Westfield, is an enjoyable month, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 67.6°F (19.8°C). In May, the average high-temperature increases from a moderate 55.9°F (13.3°C) in April to a comfortable 67.6°F (19.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Westfield, Massachusetts, with an average temperature ranging between min 55°F (12.8°C) and max 75.6°F (24.2°C). In Westfield, the average high-temperature in June slightly increases from a comfortable 67.6°F (19.8°C) in May to a warm 75.6°F (24.2°C). Weather in June »

Weather in July

July, like June, in Westfield, Massachusetts, is a moderately hot summer month, with an average temperature fluctuating between 61.3°F (16.3°C) and 81.7°F (27.6°C). July is the warmest month, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 61.3°F (16.3°C). The average heat index in July is estimated at a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Westfield, is another warm month, with an average temperature fluctuating between 79.7°F (26.5°C) and 59.5°F (15.3°C). In August, the average high-temperature is practically the same as in July - a still moderately hot 79.7°F (26.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Westfield, Massachusetts, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 52.9°F (11.6°C). In September, the average high-temperature slightly decreases from a warm 79.7°F (26.5°C) in August to an agreeable 72.1°F (22.3°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Westfield, Massachusetts, with temperature in the range of an average low of 44.1°F (6.7°C) and an average high of 59°F (15°C). In Westfield, the average high-temperature in October decreases from an agreeable 72.1°F (22.3°C) in September to a moderate 59°F (15°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Westfield, Massachusetts, with temperature in the range of an average low of 33.6°F (0.9°C) and an average high of 46.8°F (8.2°C). In November, the average high-temperature drops from a moderate 59°F (15°C) in October to a chilly 46.8°F (8.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Westfield, Massachusetts, with temperature in the range of an average low of 25.5°F (-3.6°C) and an average high of 36.5°F (2.5°C). In December, the average high-temperature drops from a chilly 46.8°F (8.2°C) in November to a cold 36.5°F (2.5°C). Weather in December »
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FAQ

What is the coldest month in Westfield?

The coldest month in Westfield, Massachusetts, is January, with an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18°F (-7.8°C).

How much does it rain in Westfield?

Throughout the year, in Westfield, Massachusetts, there are 169.1 rainfall days, and 32.56" (827mm) of precipitation is accumulated.

When does it snow in Westfield?

January through May, October through December are months with snowfall.

How much does it snow in Westfield?

In Westfield, during the entire year, snow falls for 37.4 days and aggregates up to 21.77" (553mm) of snow.

When is the lowest UV index in Westfield?

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

What is the most humid month in Westfield?

With an average relative humidity of 82%, February is the most humid month.

When does it snow the most in Westfield?

February is the month with the most snowfall in Westfield. Snow falls for 9.5 days and accumulates 5.59" (142mm) of snow.

What is the month with the least sunshine in Westfield?

February has the least sunshine of the year in Westfield, with an average of 4.6h of sunshine.

When is Daylight Saving Time (DST) in Westfield?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Westfield, Massachusetts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Westfield?

With an average relative humidity of 72%, April is the least humid month.

When it does not snow in Westfield?

In Westfield, Massachusetts, snow does not fall in June through September.

When are the longest days in Westfield?

June has the longest days of the year, with an average of 15h and 12min of daylight.

When is the highest UV index in Westfield?

June is the month with the highest UV index in Westfield, Massachusetts, with an average maximum UV index of 6.

What is the warmest month in Westfield?

July is the warmest month in Westfield, Massachusetts, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 61.3°F (16.3°C).

What are the months with the most sunshine in Westfield?

The months with the most sunshine in Westfield, Massachusetts, are July and August, with an average of 10.2h of sunshine.

What is the driest month in Westfield?

September is the month with the least rainfall in Westfield. Rain falls for 13.7 days and accumulates 2.01" (51mm) of precipitation.

What is the rainiest month in Westfield?

The wettest months are October and December, with an average 3.27" (83mm) of rainfall.

What is the month with the shortest days in Westfield?

December has the shortest days of the year, with an average of 9h and 10min of daylight.

Average pressure
Westfield, MA

Average pressure - Westfield, MA

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Westfield, MA

Average wind speed - Westfield, MA

The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average rainfall
Westfield, MA

Average rainfall - Westfield, MA

The wettest months (with the highest rainfall) are October and December (3.27").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days
Westfield, MA

Average rainfall days - Westfield, MA

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall
Westfield, MA

Average snowfall - Westfield, MA

The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Westfield, MA

Average snowfall days - Westfield, MA

The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Westfield, MA

Average daylight / Average sunshine - Westfield, MA

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 10min).

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days
Westfield, MA

Average sunshine days - Westfield, MA

The month with the most sunshine days is January (16.2 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index
Westfield, MA

Average UV index - Westfield, MA

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

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Average visibility
Westfield, MA

Average visibility - Westfield, MA

The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).

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