Climate and monthly weather forecast
Williston, NY

Share

Weather in January

January, the same as December, in Williston, New York, is another subzero cold winter month, with an average temperature varying between 28.9°F (-1.7°C) and 18.1°F (-7.7°C). During the coldest month, January, temperatures average a high of 28.9°F (-1.7°C) and a low of 18.1°F (-7.7°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Williston, New York, with an average temperature fluctuating between 19.4°F (-7°C) and 31.3°F (-0.4°C). The commencement of February brings an average high-temperature of a still subzero cold 31.3°F (-0.4°C), marking an inconsequential divergence from January. Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Williston, New York, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 26.6°F (-3°C). March witnesses an increase in the average high-temperature, moving from a freezing cold 31.3°F (-0.4°C) in February to a wintry 40.6°F (4.8°C). Weather in March »

Weather in April

April is a cool spring month in Williston, New York, with temperature in the range of an average high of 52.7°F (11.5°C) and an average low of 36°F (2.2°C). In April, the meteorological conditions change with the average high-temperature moving from a wintry 40.6°F (4.8°C) in March to a fresh 52.7°F (11.5°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Williston, New York, with temperature in the range of an average high of 66.6°F (19.2°C) and an average low of 47.8°F (8.8°C). In Williston, the average high-temperature in May increases from a fresh 52.7°F (11.5°C) in April to a refreshing 66.6°F (19.2°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Williston, New York, with an average temperature varying between 73.2°F (22.9°C) and 55°F (12.8°C). As Williston welcomes June, the average high-temperature displays a subtle shift, adjusting from a refreshing 66.6°F (19.2°C) in May to a pleasant 73.2°F (22.9°C). Weather in June »

Weather in July

July is a moderately hot summer month in Williston, New York, with temperature in the range of an average low of 61°F (16.1°C) and an average high of 79.2°F (26.2°C). Williston reaches its highest average temperatures in July, measuring 79.2°F (26.2°C) at the peak and 61°F (16.1°C) at the lowest. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Williston, New York, with an average temperature varying between 59.7°F (15.4°C) and 77.5°F (25.3°C). The commencement of August records an average high-temperature of a still moderately hot 77.5°F (25.3°C), barely varying from July's 79.2°F (26.2°C). Weather in August »

Weather in September

September, the first month of the autumn in Williston, is also an agreeable month, with an average temperature ranging between min 53.6°F (12°C) and max 71.6°F (22°C). September ushers in a minor alteration in Williston's climate, with the average high-temperature moving from August's warm 77.5°F (25.3°C) to a pleasant 71.6°F (22°C). Weather in September »

Weather in October

October, the same as September, in Williston, New York, is another mild autumn month, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 57.9°F (14.4°C). October weather is marked by a drop in the average high-temperature, falling from an agreeable 71.6°F (22°C) in September to a refreshing 57.9°F (14.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Williston, New York, with an average temperature varying between 33.1°F (0.6°C) and 45.5°F (7.5°C). November shows a mild decline in the average high-temperature, falling from October's moderate 57.9°F (14.4°C) to a chilly 45.5°F (7.5°C). Weather in November »

Weather in December

December, the first month of the winter in Williston, is still a cold month, with an average temperature varying between 34.9°F (1.6°C) and 26.2°F (-3.2°C). As Williston enters December, the average high-temperature decreases from the a frosty 45.5°F (7.5°C) of November to a wintry 34.9°F (1.6°C). Weather in December »
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

January is the coldest month in Williston, exhibiting average temperatures of 28.9°F (-1.7°C) at the peak and 18.1°F (-7.7°C) at the base.

What are the most humid months?

January and February, with an average relative humidity of 87%, are most humid months in Williston.

How many days does it rain?

Throughout the year, there are 161.8 rainfall days, and 21.93" (557mm) of precipitation is accumulated.

When does it snow?

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

How many days does it snow in Williston?

In Williston, during the entire year, snow falls for 78.6 days and aggregates up to 25.24" (641mm) of snow.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 2.3h of sunshine.

What is the month with the lowest UV index?

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

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 17.5 days and typically aggregates up to 6.61" (168mm) of snow.

When is Daylight Saving Time (DST)?

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?

The months with the lowest humidity in Williston are May, July and August, with an average relative humidity of 77%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 16.8 days and typically aggregates up to 2.44" (62mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

When are the longest days in Williston?

June has the longest days of the year, with an average of 15h and 18min of daylight.

What is the hottest time of year?

The temperatures reach their highest averages in July, with highs of 79.2°F (26.2°C) and lows of 61°F (16.1°C).

What month has the most sunshine in Williston?

July has the most sunshine of the year, with an average of 10.3h of sunshine.

What is the month with the highest UV index?

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

What is the driest month?

September is the month with the least rainfall. Rain falls for 14.3 days and accumulates 1.34" (34mm) of precipitation.

What is the month with the shortest days?

With an average of 9h and 6min of daylight, December has the shortest days of the year.

Average temperature
Williston, NY

Average temperature - Williston, NY

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.9°F).

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure
Williston, NY

Average pressure - Williston, NY

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Williston, NY

Average wind speed - Williston, NY

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

Average humidity
Williston, NY

Average humidity - Williston, NY

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are May, July and August (77%).

Average rainfall
Williston, NY

Average rainfall - Williston, NY

The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days
Williston, NY

Average rainfall days - Williston, NY

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (6.8 days).

Average snowfall
Williston, NY

Average snowfall - Williston, NY

The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Williston, NY

Average snowfall days - Williston, NY

The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Williston, NY

Average daylight / Average sunshine - Williston, NY

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

Average sunshine days
Williston, NY

Average sunshine days - Williston, NY

The month with the most sunshine days is June (13.4 days).
The month with the least sunshine days is February (6.7 days).

Average visibility
Williston, NY

Average visibility - Williston, NY

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

Williston, New York, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location