Climate and monthly weather forecast
South Deerfield, MA

Share

Weather in January

January, like December, is a freezing cold winter month in South Deerfield, Massachusetts, with an average temperature fluctuating between 29.7°F (-1.3°C) and 17.1°F (-8.3°C). In South Deerfield, the month of January registers the lowest temperatures, averaging 29.7°F (-1.3°C) at the peak and 17.1°F (-8.3°C) at the lowest. Weather in January »

Weather in February

The last month of the winter, February, is a cold month in South Deerfield, Massachusetts, with an average temperature varying between 32.7°F (0.4°C) and 18°F (-7.8°C). With the onset of February, a modest change to a wintry 32.7°F (0.4°C) from January's 29.7°F (-1.3°C) is noted in high-temperature. Weather in February »

Weather in March

The first month of the spring, March, is also an icy month in South Deerfield, Massachusetts, with an average temperature ranging between max 41.2°F (5.1°C) and min 26.1°F (-3.3°C). The beginning of March marks a minor shift in the average high-temperature, moving from February's cold 32.7°F (0.4°C) to a still wintry 41.2°F (5.1°C). Weather in March »

Weather in April

April in South Deerfield, Massachusetts, is a cool spring month, with an average temperature fluctuating between 36.1°F (2.3°C) and 54.5°F (12.5°C). The beginning of April signals a rise in the average high-temperature, moving from a cold 41.2°F (5.1°C) in March to a cool 54.5°F (12.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in South Deerfield, Massachusetts, with an average temperature ranging between min 46.9°F (8.3°C) and max 67.5°F (19.7°C). South Deerfield sees a rise in temperature during May, with average high-temperatures transitioning from a cool 54.5°F (12.5°C) in April to a comfortable 67.5°F (19.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in South Deerfield, Massachusetts, with an average temperature varying between 74.8°F (23.8°C) and 54°F (12.2°C). June signifies a subtle uplift in the average high-temperature, adjusting from an enjoyable 67.5°F (19.7°C) in May to a warm 74.8°F (23.8°C). Weather in June »

Weather in July

July, like June, in South Deerfield, Massachusetts, is another warm summer month, with an average temperature fluctuating between 81.3°F (27.4°C) and 59.7°F (15.4°C). South Deerfield's temperature records reveal July as the warmest month, marked by average highs of 81.3°F (27.4°C) and lows of 59.7°F (15.4°C). In July, the heat index is evaluated 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 South Deerfield, Massachusetts, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 58.3°F (14.6°C). South Deerfield notes an average high-temperature of a still moderately hot 79.2°F (26.2°C) in August, displaying minor variation from July. Weather in August »

Weather in September

September, the first month of the autumn in South Deerfield, is also an agreeable month, with an average temperature varying between 71.4°F (21.9°C) and 52.2°F (11.2°C). The arrival of September suggests a slight decrease in the average high-temperature, moving from a moderately hot 79.2°F (26.2°C) in August to an agreeable 71.4°F (21.9°C). Weather in September »

Weather in October

October, the same as September, in South Deerfield, Massachusetts, is another mild autumn month, with an average temperature fluctuating between 58.3°F (14.6°C) and 43.3°F (6.3°C). In October, the meteorological conditions alter, with the average high-temperature shifting from an agreeable 71.4°F (21.9°C) in September to a moderate 58.3°F (14.6°C). Weather in October »

Weather in November

November, the last month of the autumn in South Deerfield, is also a frosty month, with an average temperature fluctuating between 32.7°F (0.4°C) and 46°F (7.8°C). A change in temperatures is noted as October gives way to November, with average highs reducing from a moderate 58.3°F (14.6°C) to a chilly 46°F (7.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in South Deerfield, Massachusetts, with an average temperature ranging between min 24.3°F (-4.3°C) and max 35.4°F (1.9°C). A decrease in the average high-temperature is observed during December, shifting from a frosty 46°F (7.8°C) in November to a cold 35.4°F (1.9°C). Weather in December »

Frequently asked questions

What time of the year is the coldest?

January is the coldest month, with the temperature often reaching an average high of 29.7°F (-1.3°C) and an average low of 17.1°F (-8.3°C).

How many days does it rain?

In South Deerfield, during the entire year, the rain falls for 147.7 days and collects up to 28.9" (734mm) of precipitation.

When does it snow?

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

How many days does it snow?

In South Deerfield, during the entire year, snow falls for 38.7 days and aggregates up to 23.07" (586mm) of snow.

When is the lowest UV index?

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

What is the most humid month?

February is the most humid month, with an average relative humidity of 83%.

What is the snowiest month in South Deerfield?

The month with the most snowfall is February, when snow falls for 9 days and typically aggregates up to 6.42" (163mm) 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 South Deerfield.

When is Daylight Saving Time (DST) in South Deerfield?

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?

April is the least humid month, with an average relative humidity of 73%.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

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

What month is the hottest?

July, known for its average high temperature of 81.3°F (27.4°C) and an average low temperature of 59.7°F (15.4°C), is the warmest month.

What month has the most sunshine?

With an average of 10.2h of sunshine, July has the most sunshine of the year.

What is the driest month in South Deerfield?

September is the month with the least rainfall. Rain falls for 10 days and accumulates 1.69" (43mm) of precipitation.

What is the rainiest month?

The month with the most rainfall is December, when the rain falls for 10.9 days and typically aggregates up to 3.07" (78mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

Average temperature
South Deerfield, MA

Average temperature - South Deerfield, MA

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure
South Deerfield, MA

Average pressure - South Deerfield, MA

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
South Deerfield, MA

Average wind speed - South Deerfield, 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 (5.1mph).

Average humidity
South Deerfield, MA

Average humidity - South Deerfield, MA

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).

Average rainfall
South Deerfield, MA

Average rainfall - South Deerfield, MA

The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days
South Deerfield, MA

Average rainfall days - South Deerfield, MA

The month with the highest number of rainy days is April (15.3 days).
The month with the least rainy days is February (8.9 days).

Average snowfall
South Deerfield, MA

Average snowfall - South Deerfield, MA

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
South Deerfield, MA

Average snowfall days - South Deerfield, MA

The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
South Deerfield, MA

Average daylight / Average sunshine - South Deerfield, 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days
South Deerfield, MA

Average sunshine days - South Deerfield, MA

The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is April (13.2 days).

Average UV index
South Deerfield, MA

Average UV index - South Deerfield, MA

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average visibility
South Deerfield, MA

Average visibility - South Deerfield, 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).

South Deerfield, Massachusetts, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location