Climate and monthly weather forecast
Mendon, MA

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Weather in January

January, like December, in Mendon, Massachusetts, is another cold winter month, with an average temperature ranging between max 32.5°F (0.3°C) and min 20.5°F (-6.4°C). In Mendon, January records the lowest average temperatures, peaking at 32.5°F (0.3°C) and reaching a low of 20.5°F (-6.4°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Mendon, Massachusetts, with an average temperature fluctuating between 21.6°F (-5.8°C) and 35.8°F (2.1°C). The shift into February records an average high-temperature of a still cold 35.8°F (2.1°C), subtly varied from January's 32.5°F (0.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Mendon, Massachusetts, with an average temperature ranging between min 28.9°F (-1.7°C) and max 43.3°F (6.3°C). As March arrives, Mendon's weather shows a minor increase in high-temperatures, edging from February's cold 35.8°F (2.1°C) to a chilly 43.3°F (6.3°C). Weather in March »

Weather in April

April in Mendon, Massachusetts, is a moderate spring month, with an average temperature varying between 55.9°F (13.3°C) and 39°F (3.9°C). The shift from March to April is marked by an increase in the average high-temperature, moving from a chilly 43.3°F (6.3°C) to a moderate 55.9°F (13.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Mendon, Massachusetts, with temperature in the range of an average high of 67.3°F (19.6°C) and an average low of 48.6°F (9.2°C). Mendon's transition into May is marked by a rise in the average high-temperature, advancing from a mild 55.9°F (13.3°C) in April to a comfortable 67.3°F (19.6°C). Weather in May »

Weather in June

June, the first month of the summer in Mendon, is a warm month, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 74.5°F (23.6°C). With the onset of June, the average high-temperature subtly transitions from an enjoyable 67.3°F (19.6°C) in May to a moderately hot 74.5°F (23.6°C). Weather in June »

Weather in July

July, like June, in Mendon, Massachusetts, is another warm summer month, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 81.7°F (27.6°C). In Mendon, the peak average temperatures are observed in July, with a high of 81.7°F (27.6°C) and a low of 62.6°F (17°C). The heat index value during July is calculated to be a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Mendon, is also a moderately hot month, with an average temperature varying between 80.1°F (26.7°C) and 61.2°F (16.2°C). The arrival of August sees an average high-temperature of a still warm 80.1°F (26.7°C), hardly diverging from July's 81.7°F (27.6°C). Weather in August »

Weather in September

September, the first month of the autumn in Mendon, is also an agreeable month, with an average temperature varying between 72.7°F (22.6°C) and 54.5°F (12.5°C). September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 80.1°F (26.7°C) to an agreeable 72.7°F (22.6°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Mendon, Massachusetts, with temperature in the range of an average high of 59.9°F (15.5°C) and an average low of 45.7°F (7.6°C). Mendon, Massachusetts, in October demonstrates a small temperature transition, adjusting from an average high of a pleasant 72.7°F (22.6°C) in September to a moderate 59.9°F (15.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Mendon, Massachusetts, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 48.7°F (9.3°C). Mendon's progression into November includes a drop in the average high-temperature, from a mild 59.9°F (15.5°C) in October to a frosty 48.7°F (9.3°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Mendon, Massachusetts, with temperature in the range of an average high of 38.3°F (3.5°C) and an average low of 27.3°F (-2.6°C). The start of December signals a decrease in the average high-temperature, transitioning from a frosty 48.7°F (9.3°C) in November to a cold 38.3°F (3.5°C). Weather in December »
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Frequently asked questions

What is the coldest month in Mendon?

In Mendon, Massachusetts, the lowest temperatures are generally noted in January, averaging a high of 32.5°F (0.3°C) and a low of 20.5°F (-6.4°C).

How many days does it rain in Mendon?

In Mendon, Massachusetts, during the entire year, the rain falls for 152.2 days and collects up to 30.67" (779mm) of precipitation.

When does it snow in Mendon?

January through May, November and December are months with snowfall in Mendon.

How many days does it snow in Mendon?

In Mendon, during the entire year, snow falls for 32.5 days and aggregates up to 18.78" (477mm) of snow.

When is the lowest UV index in Mendon?

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

What is the most humid month in Mendon?

February is the most humid month, with an average relative humidity of 80%.

What is the month with the least sunshine in Mendon?

With an average of 4.6h of sunshine, February has the least sunshine of the year.

When does it snow the most in Mendon?

March is the month with the most snowfall. Snow falls for 8.3 days and accumulates 4.92" (125mm) of snow.

When is Daylight Saving Time (DST) in Mendon?

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 in Mendon?

April is the least humid month in Mendon, with an average relative humidity of 71%.

When it does not snow in Mendon?

June through October are months without snowfall in Mendon, Massachusetts.

When are the longest days in Mendon?

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 in Mendon?

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

What part of the year is the hottest in Mendon?

With average temperatures fluctuating between a high of 81.7°F (27.6°C) and a low of 62.6°F (17°C), July stands out as the warmest month in Mendon, Massachusetts.

What month has the most sunshine in Mendon?

August has the most sunshine of the year in Mendon, Massachusetts, with an average of 10.1h of sunshine.

What is the driest month in Mendon?

September is the month with the least rainfall. Rain falls for 12.2 days and accumulates 1.54" (39mm) of precipitation.

What is the rainiest month in Mendon?

December is the month with the most rainfall in Mendon, Massachusetts. Rain falls for 10.3 days and accumulates 3.15" (80mm) of precipitation.

What is the month with the shortest days in Mendon?

The month with the shortest days in Mendon is December, with an average of 9h and 12min of daylight.

Average temperature
Mendon, MA

Average temperature - Mendon, MA

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.5°F).

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure
Mendon, MA

Average pressure - Mendon, MA

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Mendon, MA

Average wind speed - Mendon, MA

The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average rainfall
Mendon, MA

Average rainfall - Mendon, MA

The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days
Mendon, MA

Average rainfall days - Mendon, MA

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (7.7 days).

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Average snowfall
Mendon, MA

Average snowfall - Mendon, MA

The month with the highest snowfall is March (4.92").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Mendon, MA

Average snowfall days - Mendon, MA

The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Mendon, MA

Average daylight / Average sunshine - Mendon, 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 12min).

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days
Mendon, MA

Average sunshine days - Mendon, MA

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index
Mendon, MA

Average UV index - Mendon, 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).

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Average visibility
Mendon, MA

Average visibility - Mendon, MA

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

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Mendon, Massachusetts, USA

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