Monthly weather forecast and climate
Williamson, NY

January, the same as December, in Williamson, New York, is a freezing cold winter month, with temperature in the range of an average high of 29.7°F (-1.3°C) and an average low of 21°F (-6.1°C). With an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 21°F (-6.1°C), January is the coldest month. Weather in January »

The last month of the winter, February, is also a subzero cold month in Williamson, New York, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 31.6°F (-0.2°C). In February, the average high-temperature is essentially the same as in January - a still subzero cold 31.6°F (-0.2°C). Weather in February »

The first month of the spring, March, is a wintry month in Williamson, New York, with average temperature fluctuating between 38.8°F (3.8°C) and 29.1°F (-1.6°C). In March, the average high-temperature slightly increases, from a freezing cold 31.6°F (-0.2°C) in February, to a cold 38.8°F (3.8°C). Weather in March »

April in Williamson, New York, is a chilly spring month, with average temperature ranging between min 38.1°F (3.4°C) and max 49.6°F (9.8°C). In April, the average high-temperature rises, from a wintry 38.8°F (3.8°C) in March, to a frosty 49.6°F (9.8°C). Weather in April »

The last month of the spring, May, is a moderate month in Williamson, New York, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 60.6°F (15.9°C). In Williamson, the average high-temperature rises, from a frosty 49.6°F (9.8°C) in April, to a moderate 60.6°F (15.9°C). Weather in May »

The first month of the summer, June, is a pleasant month in Williamson, New York, with average temperature varying between 69.1°F (20.6°C) and 57°F (13.9°C). In June, the average high-temperature marginally rises, from a moderate 60.6°F (15.9°C) in May, to a pleasant 69.1°F (20.6°C). Weather in June »

July is a warm summer month in Williamson, New York, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 76.5°F (24.7°C). With an average high-temperature of 76.5°F (24.7°C) and an average low-temperature of 64.2°F (17.9°C), July is the warmest month. Weather in July »

August, the last month of the summer, in Williamson, is another warm month, with average temperature fluctuating between 75.9°F (24.4°C) and 64°F (17.8°C). In August, the average high-temperature is relatively the same as in July - a still warm 75.9°F (24.4°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in Williamson, New York, with average temperature varying between 70.2°F (21.2°C) and 57.9°F (14.4°C). In Williamson, the average high-temperature slightly decreases, from a moderately hot 75.9°F (24.4°C) in August, to an agreeable 70.2°F (21.2°C). Weather in September »

October, the same as September, in Williamson, New York, is a moderate autumn month, with average temperature ranging between min 48°F (8.9°C) and max 58.1°F (14.5°C). In October, the average high-temperature drops, from a pleasant 70.2°F (21.2°C) in September, to a mild 58.1°F (14.5°C). Weather in October »

The last month of the autumn, November, is another chilly month in Williamson, New York, with temperature in the range of an average high of 45.9°F (7.7°C) and an average low of 36.5°F (2.5°C). In Williamson, the average high-temperature decreases, from a mild 58.1°F (14.5°C) in October, to a frosty 45.9°F (7.7°C). Weather in November »

The first month of the winter, December, is also a wintry month in Williamson, New York, with average temperature fluctuating between 28.8°F (-1.8°C) and 36.1°F (2.3°C). In December, the average high-temperature drops, from a chilly 45.9°F (7.7°C) in November, to a cold 36.1°F (2.3°C). Weather in December »

What is the coldest month in Williamson?

January is the coldest month in Williamson, with an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 21°F (-6.1°C).

What are the most humid months in Williamson?

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

How many days does it rain in Williamson?

Throughout the year, in Williamson, there are 171.8 rainfall days, and 32.76" (832mm) of precipitation is accumulated.

What is the driest month in Williamson?

The month with the least rainfall is January when the rain falls for 8.3 days and typically collects 2.05" (52mm) of precipitation.

When does it snow in Williamson?

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

How much does it snow in Williamson?

In Williamson, during the entire year, snow falls for 67.1 days, and aggregates up to 22.99" (584mm) of snow.

What is the month with the least sunshine in Williamson?

With an average of 2.6h of sunshine, January has the least sunshine of the year in Williamson.

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

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the snowiest month in Williamson?

The month with the most snowfall in Williamson, New York, is February when snow falls for 15.1 days and typically aggregates up to 6.26" (159mm) of snow.

When it does not snow in Williamson?

June through September are months without snowfall in Williamson.

When are the longest days in Williamson?

With an average of 15.3h of daylight, June has the longest days of the year in Williamson, New York.

What is the warmest month in Williamson?

With an average high-temperature of 76.5°F (24.7°C) and an average low-temperature of 64.2°F (17.9°C), July is the warmest month in Williamson, New York.

What month has the most sunshine in Williamson?

With an average of 10.8h of sunshine, July has the most sunshine of the year in Williamson, New York.

When is the highest UV index in Williamson?

With an average maximum UV index of 6, July is the month with the highest UV index.

What is the least humid month in Williamson?

With an average relative humidity of 76%, September is the least humid month in Williamson, New York.

What is the rainiest month in Williamson?

October is the month with the most rainfall. Rain falls for 17.8 days and accumulates 3.62" (92mm) of precipitation.

What is the month with the shortest days in Williamson?

December has the shortest days of the year, with an average of 9h of daylight.
Average temperature - Williamson, NY
Average pressure - Williamson, NY

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

Average wind speed - Williamson, NY

The windiest month (with the highest average wind speed) is January (13.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

Average humidity - Williamson, NY
Average rainfall - Williamson, NY

The wettest month (with the highest rainfall) is October (3.62").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days - Williamson, NY

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (7.9 days).

Average snowfall - Williamson, NY
Average snowfall days - Williamson, NY

The month with the highest number of snowfall days is January (16.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Williamson, NY
Average sunshine days - Williamson, NY
Average visibility - Williamson, NY

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