Climate and monthly weather forecast
Williamstown, West VA

Weather in January

January, the same as December, is a wintry winter month in Williamstown, West Virginia, with an average temperature ranging between min 22.8°F (-5.1°C) and max 36.1°F (2.3°C). With an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 22.8°F (-5.1°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Williamstown, West Virginia, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 26.1°F (-3.3°C). In February, the average high-temperature is relatively the same as in January - a still wintry 40.6°F (4.8°C). Weather in February »

Weather in March

March, the first month of the spring in Williamstown, is a cool month, with an average temperature fluctuating between 34.2°F (1.2°C) and 51.1°F (10.6°C). In Williamstown, the average high-temperature in March rises from a wintry 40.6°F (4.8°C) in February to a cool 51.1°F (10.6°C). Weather in March »

Weather in April

April is a comfortable spring month in Williamstown, West Virginia, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 63.3°F (17.4°C). In Williamstown, the average high-temperature in April rises from a fresh 51.1°F (10.6°C) in March to a comfortable 63.3°F (17.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Williamstown, West Virginia, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 74.1°F (23.4°C). In May, the average high-temperature increases from an enjoyable 63.3°F (17.4°C) in April to a warm 74.1°F (23.4°C). Weather in May »

Weather in June

June, the first month of the summer in Williamstown, is still a warm month, with an average temperature fluctuating between 81.1°F (27.3°C) and 59.7°F (15.4°C). In June, the average high-temperature marginally rises from a moderately hot 74.1°F (23.4°C) in May to a still warm 81.1°F (27.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Williamstown, West Virginia, with an average temperature fluctuating between 63.1°F (17.3°C) and 85.6°F (29.8°C). The warmest month is July, with an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 63.1°F (17.3°C). The average heat index in July is estimated at a torrid 96.8°F (36°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Williamstown, West Virginia, with an average temperature fluctuating between 61.3°F (16.3°C) and 84.2°F (29°C). In August, the average high-temperature is almost the same as in July - a still moderately hot 84.2°F (29°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Williamstown, West Virginia, with an average temperature fluctuating between 56.7°F (13.7°C) and 77.9°F (25.5°C). In September, the average high-temperature slightly decreases from a moderately hot 84.2°F (29°C) in August to a still warm 77.9°F (25.5°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Williamstown, West Virginia, with an average temperature fluctuating between 46°F (7.8°C) and 64.4°F (18°C). In Williamstown, the average high-temperature in October drops from a moderately hot 77.9°F (25.5°C) in September to an enjoyable 64.4°F (18°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Williamstown, West Virginia, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 51.1°F (10.6°C). In Williamstown, the average high-temperature in November decreases from a comfortable 64.4°F (18°C) in October to a cool 51.1°F (10.6°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Williamstown, West Virginia, with an average temperature ranging between max 41.7°F (5.4°C) and min 30.4°F (-0.9°C). In Williamstown, the average high-temperature in December decreases from a cool 51.1°F (10.6°C) in November to a cold 41.7°F (5.4°C). Weather in December »
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FAQ

What is the coldest month in Williamstown?

With an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 22.8°F (-5.1°C), January is the coldest month.

What are the most humid months in Williamstown?

The months with the highest humidity are January and February, with an average relative humidity of 83%.

How much does it rain in Williamstown?

Throughout the year, there are 156.1 rainfall days, and 24.8" (630mm) of precipitation is accumulated.

When does it snow in Williamstown?

January through April, October through December are months with snowfall in Williamstown, West Virginia.

How many days does it snow in Williamstown?

In Williamstown, during the entire year, snow falls for 31.3 days and aggregates up to 9.37" (238mm) of snow.

What is the month with the least sunshine in Williamstown?

The month with the least sunshine in Williamstown, West Virginia, is January, with an average of 3.4h of sunshine.

What are the months with the lowest UV index in Williamstown?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Williamstown.

What is the snowiest month in Williamstown?

February is the month with the most snowfall in Williamstown. Snow falls for 8.6 days and accumulates 2.8" (71mm) of snow.

When is Daylight Saving Time (DST) in Williamstown?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the wettest month in Williamstown?

May is the month with the most rainfall. Rain falls for 18.3 days and accumulates 3.19" (81mm) of precipitation.

When it does not snow in Williamstown?

May through September are months without snowfall.

What is the least humid month in Williamstown?

The months with the lowest humidity are June through August, with an average relative humidity of 76%.

When are the longest days in Williamstown?

The month with the longest days is June, with an average of 14h and 54min of daylight.

When is the highest UV index in Williamstown?

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

What is the warmest month in Williamstown?

The warmest month in Williamstown, West Virginia, is July, with an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 63.1°F (17.3°C).

What month has the most sunshine in Williamstown?

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

What is the driest month in Williamstown?

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.46" (37mm) of precipitation.

What is the month with the shortest days in Williamstown?

The month with the shortest days in Williamstown is December, with an average of 9h and 27min of daylight.

Average temperature
Williamstown, West VA

Average temperature - Williamstown, West VA

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.1°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure
Williamstown, West VA

Average pressure - Williamstown, West VA

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed
Williamstown, West VA

Average wind speed - Williamstown, West VA

The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity
Williamstown, West VA

Average humidity - Williamstown, West VA

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, July and August (76%).

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Average rainfall
Williamstown, West VA

Average rainfall - Williamstown, West VA

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days
Williamstown, West VA

Average rainfall days - Williamstown, West VA

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (8.4 days).

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Average snowfall
Williamstown, West VA

Average snowfall - Williamstown, West VA

The month with the highest snowfall is February (2.8").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Williamstown, West VA

Average snowfall days - Williamstown, West VA

The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Williamstown, West VA

Average daylight / Average sunshine - Williamstown, West VA

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 27min).

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days
Williamstown, West VA

Average sunshine days - Williamstown, West VA

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (9.8 days).

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Average UV index
Williamstown, West VA

Average UV index - Williamstown, West VA

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, November and December (UV index 2).

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Average visibility
Williamstown, West VA

Average visibility - Williamstown, West VA

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

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