October weather forecast
Williamstown, NJ

Share

Weather in October

October, the same as September, is another refreshing autumn month in Williamstown, New Jersey, with an average temperature fluctuating between 51.3°F (10.7°C) and 65.3°F (18.5°C).

Temperature

A shift in the average high-temperature occurs in October, reducing from a moderately hot 76.5°F (24.7°C) in September to a comfortable 65.3°F (18.5°C). In October, the temperature drops to an average of 51.3°F (10.7°C) at night.

Humidity

With an average relative humidity of 78%, October is the most humid month.

Rainfall

In Williamstown, in October, during 12.1 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, in Williamstown, there are 154.9 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

The average length of the day in October is 11h and 8min.
On the first day of the month, sunrise is at 6:56 am and sunset at 6:41 pm. On the last day of October, in Williamstown, sunrise is at 7:28 am and sunset at 5:58 pm EDT.

Sunshine

In October, the average sunshine is 5.8h.

UV index

The average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 4 in October, converts into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
[Resources]

Frequently asked questions

What are the temperatures in Williamstown in October?

The average high-temperature and low-temperature in Williamstown, New Jersey, during October are 65.3°F (18.5°C) and 51.3°F (10.7°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 89.6°F (32°C).

What is the most humid month in Williamstown?

October is the most humid month in Williamstown, with an average relative humidity of 78%.

What is the average humidity in October in Williamstown?

The average relative humidity in October in Williamstown, New Jersey, is 78%.

How much does it rain in Williamstown in October?

In October, in Williamstown, the rain falls for 12.1 days. Throughout October, 2.6" (66mm) of precipitation is accumulated.

When it does not snow in Williamstown?

In Williamstown, snow does not fall in June through October.

Does it snow in Williamstown in October?

In Williamstown, New Jersey, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Williamstown have in October?

The average day length in October is 11h and 8min.

What time are sunrise and sunset in October in Williamstown?

In October, on the first day of the month, sunrise is at 6:56 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:58 pm EDT.

How long on average sun shines in October in Williamstown?

The average sunshine duration in October in Williamstown is 5.8h.

How high is the UV index in October in Williamstown?

The average daily maximum UV index in October in Williamstown is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Williamstown, NJ

Average temperature in October - Williamstown, NJ
  • Average high temperature in October: 65.3°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in October: 51.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

[Resources]

Average pressure in October
Williamstown, NJ

Average pressure in October - Williamstown, NJ
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed in October
Williamstown, NJ

Average wind speed in October - Williamstown, NJ
  • Average wind speed in October: 7.3mph

The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

[Resources]

Average humidity in October
Williamstown, NJ

Average humidity in October - Williamstown, NJ
  • Average humidity in October: 78%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (71%).

[Resources]

Average rainfall in October
Williamstown, NJ

Average rainfall in October - Williamstown, NJ
  • Average rainfall in October: 2.6"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.73").

[Resources]

Average rainfall days in October
Williamstown, NJ

Average rainfall days in October - Williamstown, NJ
  • Average rainfall days in October: 12.1 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (8.8 days).

[Resources]

Average snowfall in October
Williamstown, NJ

Average snowfall in October - Williamstown, NJ
  • Average snowfall in October: 0"

The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August, September and October (0").

[Resources]

Average snowfall days in October
Williamstown, NJ

Average snowfall days in October - Williamstown, NJ
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

Average daylight in October /
Average sunshine in October
Williamstown, NJ

Average daylight in October / Average sunshine in October - Williamstown, NJ
  • Average daylight in October: 11h and 1min

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 24min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

[Resources]

Average sunshine days in October
Williamstown, NJ

Average sunshine days in October - Williamstown, NJ
  • Average sunshine days in October: 16.9 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).

[Resources]

Average UV index in October
Williamstown, NJ

Average UV index in October - Williamstown, NJ
  • Average UV index in October: 4

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in October
Williamstown, NJ

Average cloud cover in October - Williamstown, NJ
  • Average cloud cover in October: 40

The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 30).

[Resources]

Average visibility in October
Williamstown, NJ

Average visibility in October - Williamstown, NJ
  • Average visibility in October: 6mi

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

[Resources]

Williamstown, New Jersey, USA

Weather forecast for your location

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