Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The decrease of average high-temperatures is mild in October, with a decline from an agreeable 69.1°F (20.6°C) in September to a refreshing 55.9°F (13.3°C). The temperature dips to an average of 41°F (5°C) during October nights.Humidity
In October, the average relative humidity in Williamstown is 83%.Rainfall
The month with the most rainfall in Williamstown, Massachusetts, is October, when the rain falls for 15.5 days and typically aggregates up to 3.62" (92mm) of precipitation.Snowfall
Months with snowfall in Williamstown, Massachusetts, are January through May, October through December. October is the first month it typically snows in Williamstown. Throughout October, in the average 0.9 snowfall days, it receives 0.87" (22mm) of snow. Throughout the year, there are 66.1 snowfall days, and 39.09" (993mm) of snow is accumulated.Daylight
In Williamstown, the average length of the day in October is 11h and 2min.On the first day of the month, sunrise is at 6:50 am and sunset at 6:33 pm. On the last day of October, sunrise is at 7:26 am and sunset at 5:46 pm EDT.
Sunshine
In Williamstown, the average sunshine in October is 5.1h.UV index
In October, the average daily maximum UV index in Williamstown is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 2 in October transforms into the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What are the temperatures in Williamstown in October?
What is the average humidity in October in Williamstown?
What is the wettest month in Williamstown?
How much does it rain in Williamstown in October?
When does it start to snow in Williamstown?
What is the average length of the day in October in Williamstown?
What time are sunrise and sunset in October in Williamstown?
How long on average sun shines in October in Williamstown?
How high is the UV index in October in Williamstown?
Average temperature in October
Williamstown, MA
- Average high temperature in October: 55.9°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in October: 41°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in October
Williamstown, MA
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Williamstown, MA
- Average wind speed in October: 7mph
The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in October
Williamstown, MA
- Average humidity in October: 83%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (77%).
Average rainfall in October
Williamstown, MA
- Average rainfall in October: 3.62"
The wettest month (with the highest rainfall) is October (3.62").
The driest month (with the least rainfall) is March (2.6").
Average rainfall days in October
Williamstown, MA
- Average rainfall days in October: 15.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in October
Williamstown, MA
- Average snowfall in October: 0.87"
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Williamstown, MA
- Average snowfall days in October: 0.9 days
The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Williamstown, MA
- Average daylight in October: 11h and 0min
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).
- Average sunshine in October: 5h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in October
Williamstown, MA
- Average sunshine days in October: 11.8 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (9 days).
Average UV index in October
Williamstown, MA
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in October
Williamstown, MA
- Average cloud cover in October: 52
The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in October
Williamstown, MA
- Average visibility in October: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Williamstown, Massachusetts, USA
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