Winthrop
Massachusetts, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Winthrop, MA

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Contents

Weather in January

January, the same as December, is a wintry winter month in Winthrop, Massachusetts, with temperature in the range of an average high of 34.2°F (1.2°C) and an average low of 22.6°F (-5.2°C). With an average high-temperature of 34.2°F (1.2°C) and an average low-temperature of 22.6°F (-5.2°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Winthrop, is another cold month, with average temperature varying between 36.5°F (2.5°C) and 23.5°F (-4.7°C). In Winthrop, Massachusetts, the average high-temperature in February is practically the same as in January - a still cold 36.5°F (2.5°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Winthrop, Massachusetts, with average temperature fluctuating between 43.5°F (6.4°C) and 30.9°F (-0.6°C). In Winthrop, the average high-temperature slightly increases, from a wintry 36.5°F (2.5°C) in February, to a frosty 43.5°F (6.4°C). Weather in March »

Weather in April

April is a cool spring month in Winthrop, Massachusetts, with temperature in the range of an average high of 55.2°F (12.9°C) and an average low of 40.5°F (4.7°C). In Winthrop, the average high-temperature in April increases, from a chilly 43.5°F (6.4°C) in March, to a cool 55.2°F (12.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Winthrop, Massachusetts, with temperature in the range of an average low of 50°F (10°C) and an average high of 66.4°F (19.1°C). In May, the average high-temperature rises, from a cool 55.2°F (12.9°C) in April, to a comfortable 66.4°F (19.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Winthrop, Massachusetts, with average temperature varying between 74.3°F (23.5°C) and 57.6°F (14.2°C). In Winthrop, the average high-temperature slightly increases, from an enjoyable 66.4°F (19.1°C) in May, to a moderately hot 74.3°F (23.5°C). Weather in June »

Weather in July

July, like June, in Winthrop, Massachusetts, is another warm summer month, with average temperature ranging between min 64.9°F (18.3°C) and max 81.7°F (27.6°C). With an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 64.9°F (18.3°C), July is the warmest month. The average heat index in July is evaluated at a hot 86.5°F (30.3°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Winthrop, Massachusetts, with temperature in the range of an average high of 80.4°F (26.9°C) and an average low of 64°F (17.8°C). In August, the average high-temperature is essentially the same as in July - a still moderately hot 80.4°F (26.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Winthrop, Massachusetts, with average temperature ranging between min 57.4°F (14.1°C) and max 72.7°F (22.6°C). In September, the average high-temperature marginally drops, from a moderately hot 80.4°F (26.9°C) in August, to a pleasant 72.7°F (22.6°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Winthrop, Massachusetts, with average temperature varying between 61.5°F (16.4°C) and 48.4°F (9.1°C). In October, the average high-temperature drops, from a pleasant 72.7°F (22.6°C) in September, to a comfortable 61.5°F (16.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Winthrop, Massachusetts, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 49.5°F (9.7°C). In Winthrop, the average high-temperature decreases, from a comfortable 61.5°F (16.4°C) in October, to a frosty 49.5°F (9.7°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Winthrop, Massachusetts, with average temperature ranging between min 29.7°F (-1.3°C) and max 39.9°F (4.4°C). In Winthrop, the average high-temperature in December decreases, from a chilly 49.5°F (9.7°C) in November, to a wintry 39.9°F (4.4°C). Weather in December »

FAQ

What is the coldest month in Winthrop?

The coldest month is January, with an average high-temperature of 34.2°F (1.2°C) and an average low-temperature of 22.6°F (-5.2°C).

How much does it rain in Winthrop?

In Winthrop, Massachusetts, during the entire year, the rain falls for 141.4 days and collects up to 27.2" (691mm) of precipitation.

When does it snow in Winthrop?

Months with snowfall in Winthrop are January through May, October through December.

How many days does it snow in Winthrop?

Throughout the year, there are 29.8 snowfall days, and 15.75" (400mm) of snow is accumulated.

What is the month with the lowest UV index in Winthrop?

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

What is the most humid month in Winthrop?

With an average relative humidity of 77%, February is the most humid month in Winthrop.

When does it snow the most in Winthrop?

The month with the most snowfall is February when snow falls for 7.6 days and typically aggregates up to 4.72" (120mm) of snow.

When is the ocean coldest in Winthrop?

February and March, with an average ocean temperature of 38.8°F (3.8°C), are months with the coldest seawater in Winthrop, Massachusetts.

What is the month with the least sunshine in Winthrop?

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

What is the wettest month in Winthrop?

Months with the most rainfall in Winthrop are March, April and December, with an average 2.91" (74mm) of precipitation.

What is the least humid month in Winthrop?

The least humid month is April, with an average relative humidity of 69%.

When it does not snow in Winthrop?

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

When are the longest days in Winthrop?

With an average of 15.2h of daylight, June has the longest days of the year in Winthrop.

What are the months with the highest UV index in Winthrop?

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

What is the warmest month in Winthrop?

With an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 64.9°F (18.3°C), July is the warmest month.

When is the ocean warmest in Winthrop?

August is the month with the warmest seawater in Winthrop, Massachusetts, with an average ocean temperature of 67.6°F (19.8°C).

What month has the most sunshine in Winthrop?

The month with the most sunshine is August, with an average of 10.5h of sunshine.

What is the driest month in Winthrop?

September is the month with the least rainfall in Winthrop. Rain falls for 10 days and accumulates 1.26" (32mm) of precipitation.

What is the month with the shortest days in Winthrop?

December has the shortest days of the year in Winthrop, with an average of 9.1h of daylight.

Average temperature
Winthrop, MA

Average temperature - Winthrop, 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 (34.2°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 (22.6°F).

Average humidity
Winthrop, MA

Average humidity - Winthrop, MA

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (69%).

Average rainfall
Winthrop, MA

Average rainfall - Winthrop, MA

Wettest months (with the highest rainfall) are March, April and December (2.91").
The driest month (with the lowest rainfall) is September (1.26").

Average rainfall days
Winthrop, MA

Average rainfall days - Winthrop, MA

The month with the highest number of rainy days is May (15.3 days).
The month with the lowest number of rainy days is January (7.9 days).

Average snowfall
Winthrop, MA

Average snowfall - Winthrop, MA

The month with the highest snowfall is February (4.72").
Months with the lowest snowfall are June, July, August and September (0").

Average snowfall days
Winthrop, MA

Average snowfall days - Winthrop, MA

Months with the highest number of snowfall days are January and February (7.6 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average sea temperature
Winthrop, MA

Average sea temperature - Winthrop, MA

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).

Average daylight / Average sunshine
Winthrop, MA

Average daylight / Average sunshine - Winthrop, MA

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.1h).

The month with most sunshine is August (Average sunshine: 10.5h).
The month with least sunshine is February (Average sunshine: 4.6h).

Average UV index
Winthrop, MA

Average UV index - Winthrop, MA

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