October weather forecast and climate
Williston, NY

October, like September, is another mild autumn month in Williston, New York, with average temperature fluctuating between 44.4°F (6.9°C) and 57.9°F (14.4°C).

Temperature

In Williston, the average high-temperature in October drops, from a pleasant 71.6°F (22°C) in September, to a moderate 57.9°F (14.4°C). In October, in Williston, the average low-temperature is 44.4°F (6.9°C).

Humidity

In October, the average relative humidity is 79%.

Rainfall

In Williston, during October, the rain falls for 17 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Williston, during the entire year, the rain falls for 161.8 days and collects up to 21.93" (557mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Williston. October is the first month it typically snows in Williston. Throughout October, in the average 0.8 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, in Williston, there are 78.6 snowfall days, and 25.24" (641mm) of snow is accumulated.

Daylight

In Williston, the average length of the day in October is 11h.

Sunshine

In October, the average sunshine in Williston is 4.4h.

UV index

The average daily maximum UV index in Williston is 2. A UV Index reading of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 in October transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in October in Williston?

In Williston, in October, the average high-temperature is 57.9°F (14.4°C), and the average low-temperature is 44.4°F (6.9°C).

What is the average humidity in October in Williston?

The average relative humidity in October in Williston, New York, is 79%.

How much does it rain in Williston in October?

In Williston, in October, it is raining for 17 days, with typically 2.01" (51mm) of accumulated precipitation.

When does it start snowing in Williston?

October is the first month it typically snows in Williston. Throughout October, in the average 0.8 snowfall days, it receives 0.24" (6mm) of snow.

What is the average length of the day in October in Williston?

In October, the average length of the day is 11h.

How many hours of sunshine does Williston have in October?

The average sunshine in October in Williston is 4.4h.

What is the UV index intensity in October in Williston?

In October, the average daily maximum UV index in Williston is 2. A UV Index value of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.
Average temperature in October - Williston, NY
  • Average high temperature in October: 14.4°C

The warmest month (with the highest average high temperature) is July (26.2°C).
The month with the lowest average high temperature is January (-1.7°C).

  • Average low temperature in October: 6.9°C

The month with the highest average low temperature is July (16.1°C).
The coldest month (with the lowest average low temperature) is January (-7.7°C).

Average pressure in October - Williston, NY
  • Average pressure in October: 1016mbar

The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1013.4mbar).

Average wind speed in October - Williston, NY
  • Average wind speed in October: 13km/h

The windiest month (with the highest average wind speed) is January (16.6km/h).
The calmest month (with the lowest average wind speed) is July (10.3km/h).

Average humidity in October - Williston, NY
  • Average humidity in October: 79%

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

Average rainfall in October - Williston, NY
  • Average rainfall in October: 51mm

The wettest month (with the highest rainfall) is May (62mm).
The driest month (with the least rainfall) is September (34mm).

Average rainfall days in October - Williston, NY
  • Average rainfall days in October: 17 days

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 in October - Williston, NY
  • Average snowfall in October: 6mm

The month with the highest snowfall is February (168mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in October - Williston, NY
  • Average snowfall days in October: 0.8 days

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

Average daylight in October / Average sunshine in October - Williston, NY
  • Average daylight in October: 11h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in October: 4.4h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 2.3h).

Average sunshine days in October - Williston, NY
  • Average sunshine days in October: 11.3 days

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 UV index in October - Williston, NY
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

Average cloud cover in October - Williston, NY
  • Average cloud cover in October: 53

The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in October - Williston, NY
  • Average visibility in October: 9km

Months with the highest visibility are April, May, June, July, August, September, October and November (9km).
Months with the lowest visibility are January, February, March and December (8km).