Climate and monthly weather forecast
Williamstown, NY

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Weather in January

January, like December, is another subzero cold winter month in Williamstown, New York, with temperature in the range of an average high of 26.2°F (-3.2°C) and an average low of 15.4°F (-9.2°C). January proves to be the coldest month, recording an average maximum temperature of 26.2°F (-3.2°C) and a minimum temperature of 15.4°F (-9.2°C). Weather in January »

Weather in February

February, the last month of the winter in Williamstown, is also a subzero cold month, with temperature in the range of an average high of 28.4°F (-2°C) and an average low of 17.4°F (-8.1°C). As Williamstown welcomes February, the average high-temperature records at a still subzero cold 28.4°F (-2°C), marking an insignificant deviation from the prior month. Weather in February »

Weather in March

March, the first month of the spring in Williamstown, is a cold month, with temperature in the range of an average low of 24.6°F (-4.1°C) and an average high of 37.6°F (3.1°C). March signals a shift in the average high-temperature, moving from February's freezing cold 28.4°F (-2°C) to a wintry 37.6°F (3.1°C). Weather in March »

Weather in April

April in Williamstown, New York, is a fresh spring month, with an average temperature fluctuating between 34.9°F (1.6°C) and 51.1°F (10.6°C). The start of April brings a shift in the average high-temperature, increasing from March's wintry 37.6°F (3.1°C) to a cool 51.1°F (10.6°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Williamstown, New York, with an average temperature ranging between min 45.7°F (7.6°C) and max 65.1°F (18.4°C). May's arrival brings a temperature shift, moving from a fresh 51.1°F (10.6°C) in April to a comfortable 65.1°F (18.4°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Williamstown, New York, with an average temperature ranging between min 52.5°F (11.4°C) and max 71.2°F (21.8°C). Observing a slight rise in June, the average high-temperature shifts from May's refreshing 65.1°F (18.4°C) to a pleasant 71.2°F (21.8°C). Weather in June »

Weather in July

July is a warm summer month in Williamstown, New York, with temperature in the range of an average high of 77.4°F (25.2°C) and an average low of 58.5°F (14.7°C). With its high average temperature of 77.4°F (25.2°C) and a low of 58.5°F (14.7°C), July is regarded as the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Williamstown, New York, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 75.4°F (24.1°C). Williamstown experiences an average high-temperature of a still moderately hot 75.4°F (24.1°C) in August, marking an insignificant shift from 77.4°F (25.2°C) in July. Weather in August »

Weather in September

September, the first month of the autumn in Williamstown, is still a pleasant month, with an average temperature ranging between max 69.3°F (20.7°C) and min 51.4°F (10.8°C). In the transition to September, Williamstown observes a minor drop in the average high-temperature, shifting from a warm 75.4°F (24.1°C) in August to a pleasant 69.3°F (20.7°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Williamstown, New York, with an average temperature varying between 55.9°F (13.3°C) and 43.3°F (6.3°C). October shows a mild decline in the average high-temperature, falling from September's agreeable 69.3°F (20.7°C) to a refreshing 55.9°F (13.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Williamstown, is also a wintry month, with an average temperature varying between 31.8°F (-0.1°C) and 42.6°F (5.9°C). In November, the meteorological conditions alter, with the average high-temperature shifting from a mild 55.9°F (13.3°C) in October to a cold 42.6°F (5.9°C). Weather in November »

Weather in December

December, the first month of the winter in Williamstown, is still a cold month, with temperature in the range of an average high of 32.7°F (0.4°C) and an average low of 23.9°F (-4.5°C). With the onset of December, Williamstown experiences a modest temperature adjustment, with the average high-temperature receding from 42.6°F (5.9°C) in November to a still wintry 32.7°F (0.4°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in Williamstown?

In Williamstown, January records the average lowest temperatures, peaking at 26.2°F (-3.2°C) and reaching a low of 15.4°F (-9.2°C).

What are the most humid months in Williamstown?

January and February, with an average relative humidity of 88%, are most humid months.

How many days does it rain in Williamstown?

In Williamstown, during the entire year, the rain falls for 176.3 days and collects up to 37.09" (942mm) of precipitation.

When does it snow in Williamstown?

Months with snowfall in Williamstown, New York, are January through May, October through December.

When does it snow the most in Williamstown?

The month with the most snowfall in Williamstown, New York, is January, when snow falls for 21.4 days and typically aggregates up to 11.54" (293mm) of snow.

How many days does it snow in Williamstown?

In Williamstown, New York, during the entire year, snow falls for 88.5 days and aggregates up to 46.89" (1191mm) of snow.

What are the months with the least sunshine in Williamstown?

January and February, with an average of 2.5h of sunshine, are months with the least sunshine in Williamstown, New York.

When is the lowest UV index in Williamstown?

The months with the lowest UV index in Williamstown, New York, are January, February and December, with an average maximum UV index of 1.

When is Daylight Saving Time (DST) in Williamstown?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Williamstown, New York, 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 Williamstown?

The months with the lowest humidity in Williamstown, New York, are April and May, with an average relative humidity of 79%.

What is the rainiest month in Williamstown?

The wettest months in Williamstown, New York, are May and October, with an average 3.66" (93mm) of rainfall.

When it does not snow in Williamstown?

June through September are months without snowfall.

When are the longest days in Williamstown?

With an average of 15h and 24min of daylight, June has the longest days of the year.

What month is the hottest in Williamstown?

Williamstown's temperatures tend to reach their peak averages in July, with a high of 77.4°F (25.2°C) and a low of 58.5°F (14.7°C).

What month has the most sunshine in Williamstown?

With an average of 10.1h of sunshine, July has the most sunshine of the year.

What is the month with the highest UV index in Williamstown?

The month with the highest UV index in Williamstown, New York, is July, with an average maximum UV index of 6.

What is the driest month in Williamstown?

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 2.13" (54mm) of precipitation.

What is the month with the shortest days in Williamstown?

December has the shortest days of the year, with an average of 9h and 0min of daylight.

Average temperature
Williamstown, NY

Average temperature - Williamstown, NY

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (26.2°F).

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average pressure
Williamstown, NY

Average pressure - Williamstown, NY

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Williamstown, NY

Average wind speed - Williamstown, NY

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity
Williamstown, NY

Average humidity - Williamstown, NY

The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (79%).

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Average rainfall
Williamstown, NY

Average rainfall - Williamstown, NY

The wettest months (with the highest rainfall) are May and October (3.66").
The driest month (with the least rainfall) is September (2.13").

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Average rainfall days
Williamstown, NY

Average rainfall days - Williamstown, NY

The month with the highest number of rainy days is October (18.5 days).
The month with the least rainy days is February (8.5 days).

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Average snowfall
Williamstown, NY

Average snowfall - Williamstown, NY

The month with the highest snowfall is January (11.54").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Williamstown, NY

Average snowfall days - Williamstown, NY

The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Williamstown, NY

Average daylight / Average sunshine - Williamstown, NY

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 30min).

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Average sunshine days
Williamstown, NY

Average sunshine days - Williamstown, NY

The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (4.6 days).

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Average visibility
Williamstown, NY

Average visibility - Williamstown, NY

The months with the highest visibility are April and October (6mi).
The months with the lowest visibility are January and February (4mi).

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Williamstown, New York, USA

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