Climate and monthly weather forecast
Belchertown, MA

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Weather in January

January, the same as December, in Belchertown, Massachusetts, is another subzero cold winter month, with an average temperature fluctuating between 30.9°F (-0.6°C) and 18.3°F (-7.6°C). In Belchertown, the month of January registers the lowest temperatures, averaging 30.9°F (-0.6°C) at the peak and 18.3°F (-7.6°C) at the lowest. Weather in January »

Weather in February

February, the last month of the winter in Belchertown, is a cold month, with an average temperature fluctuating between 19.6°F (-6.9°C) and 34°F (1.1°C). The start of February sees the average high-temperature at a cold 34°F (1.1°C), showing little difference from January's 30.9°F (-0.6°C). Weather in February »

Weather in March

March, the first month of the spring in Belchertown, is also a wintry month, with an average temperature varying between 27°F (-2.8°C) and 41.9°F (5.5°C). March brings a slight rise in Belchertown's average high-temperature, moving from 34°F (1.1°C) in February to a still cold 41.9°F (5.5°C). Weather in March »

Weather in April

April in Belchertown, Massachusetts, is a fresh spring month, with temperature in the range of an average high of 55.2°F (12.9°C) and an average low of 37.2°F (2.9°C). The rise of average high-temperatures is seen in April, with an increase from an icy 41.9°F (5.5°C) in March to a fresh 55.2°F (12.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Belchertown, Massachusetts, with an average temperature fluctuating between 67.5°F (19.7°C) and 47.3°F (8.5°C). With the beginning of May, Belchertown's average high-temperature sees an increase, transitioning from a cool 55.2°F (12.9°C) in April to an enjoyable 67.5°F (19.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Belchertown, Massachusetts, with an average temperature ranging between min 54.3°F (12.4°C) and max 74.8°F (23.8°C). June's arrival coincides with a marginal rise in the average high-temperature, moving from May's refreshing 67.5°F (19.7°C) to a moderately hot 74.8°F (23.8°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Belchertown, Massachusetts, with temperature in the range of an average low of 61°F (16.1°C) and an average high of 81.5°F (27.5°C). July, on average, is the warmest month, registering a high temperature of 81.5°F (27.5°C) and a low of 61°F (16.1°C). The heat index in July is estimated at a tropical 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Belchertown, Massachusetts, with an average temperature varying between 79.5°F (26.4°C) and 59.2°F (15.1°C). With August's arrival, Belchertown notes an average high-temperature of a still moderately hot 79.5°F (26.4°C), closely following the trend of the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Belchertown, Massachusetts, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 72.3°F (22.4°C). Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 79.5°F (26.4°C) in August to a pleasant 72.3°F (22.4°C). Weather in September »

Weather in October

October, the same as September, in Belchertown, Massachusetts, is another mild autumn month, with an average temperature ranging between min 44.2°F (6.8°C) and max 59°F (15°C). The average high-temperature decreases in October, shifting from a pleasant 72.3°F (22.4°C) in September to a moderate 59°F (15°C). Weather in October »

Weather in November

November, the last month of the autumn in Belchertown, is another chilly month, with an average temperature varying between 47.1°F (8.4°C) and 33.6°F (0.9°C). The onset of November brings a small change in high-temperatures, falling from a mild 59°F (15°C) in October to a chilly 47.1°F (8.4°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Belchertown, Massachusetts, with temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 25.9°F (-3.4°C). As December begins, there is a decrease in the average high-temperature, falling from a frosty 47.1°F (8.4°C) in November to a wintry 36.5°F (2.5°C). Weather in December »
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

With an average high-temperature of 30.9°F (-0.6°C) and an average low-temperature of 18.3°F (-7.6°C), January is the coldest month in Belchertown.

How much does it rain?

Throughout the year, there are 149.5 rainfall days, and 28.86" (733mm) of precipitation is accumulated.

When does it snow?

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

How much does it snow?

In Belchertown, during the entire year, snow falls for 38.1 days and aggregates up to 21.65" (550mm) of snow.

When is 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 is the most humid month?

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

When does it snow the most?

The month with the most snowfall is February, when snow falls for 9 days and typically aggregates up to 5.75" (146mm) of snow.

What is the month with the least sunshine?

With an average of 4.5h of sunshine, February has the least sunshine of the year in Belchertown.

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.

What is the least humid month?

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

When it does not snow?

In Belchertown, snow does not fall in June through September.

When are the longest days in Belchertown?

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

What is the month with the highest UV index?

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

What part of the year is the hottest?

Belchertown's temperatures tend to reach their peak averages in July, with a high of 81.5°F (27.5°C) and a low of 61°F (16.1°C).

What month has the most sunshine in Belchertown?

The month with the most sunshine is July, with an average of 10.3h of sunshine.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12 days and typically collects 1.73" (44mm) of precipitation.

What is the rainiest month?

The months with the most rainfall are October and December, with an average 2.83" (72mm) of precipitation.

What is the month with the shortest days?

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

Average temperature
Belchertown, MA

Average temperature - Belchertown, MA

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (30.9°F).

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure
Belchertown, MA

Average pressure - Belchertown, MA

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Belchertown, MA

Average wind speed - Belchertown, MA

The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity
Belchertown, MA

Average humidity - Belchertown, MA

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).

Average rainfall
Belchertown, MA

Average rainfall - Belchertown, MA

The wettest months (with the highest rainfall) are October and December (2.83").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days
Belchertown, MA

Average rainfall days - Belchertown, MA

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (6.6 days).

Average snowfall
Belchertown, MA

Average snowfall - Belchertown, MA

The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Belchertown, MA

Average snowfall days - Belchertown, MA

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Belchertown, MA

Average daylight / Average sunshine - Belchertown, 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 6min).

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days
Belchertown, MA

Average sunshine days - Belchertown, MA

The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are March and June (12.9 days).

Average UV index
Belchertown, MA

Average UV index - Belchertown, MA

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, March, November and December (UV index 2).

Average visibility
Belchertown, MA

Average visibility - Belchertown, 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).

Belchertown, Massachusetts, USA

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