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
With the onset of October, Princeton experiences a modest temperature adjustment, with the average high-temperature receding from a pleasant 71.1°F (21.7°C) in September to a refreshing 58.1°F (14.5°C). Princeton experiences an average nighttime temperature of 43.5°F (6.4°C) in the month of October.Humidity
In Princeton, the average relative humidity in October is 80%.Rainfall
In Princeton, during October, the rain falls for 11 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Princeton, during the entire year, the rain falls for 119.4 days and collects up to 12.44" (316mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.8 snowfall days, it receives 0.24" (6mm) of snow. In Princeton, during the entire year, snow falls for 41.1 days and aggregates up to 13.27" (337mm) of snow.Daylight
In Princeton, the average length of the day in October is 11h and 3min.On the first day of the month, sunrise is at 6:45 am and sunset at 6:28 pm. On the last day of October, in Princeton, sunrise is at 7:20 am and sunset at 5:41 pm EDT.
Sunshine
The average sunshine in October in Princeton is 5.4h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Princeton. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In October, the maximum UV index of 2 translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What are October temperatures in Princeton?
What is the average humidity in October in Princeton?
How much does it rain in Princeton in October?
When does it start to snow in Princeton?
How many hours of daylight does Princeton have in October?
When are sunrise and sunset in October in Princeton?
How many hours of sunshine does Princeton have in October?
What are the months with the lowest UV index in Princeton?
How high is the UV index in October in Princeton?
Average temperature in October
Princeton, MA
- Average high temperature in October: 58.1°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in October: 43.5°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in October
Princeton, MA
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Princeton, MA
- Average wind speed in October: 7.3mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in October
Princeton, MA
- Average humidity in October: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in October
Princeton, MA
- Average rainfall in October: 1.14"
The wettest months (with the highest rainfall) are June and July (1.3").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in October
Princeton, MA
- Average rainfall days in October: 11 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in October
Princeton, MA
- Average snowfall in October: 0.24"
The month with the highest snowfall is March (2.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Princeton, MA
- Average snowfall days in October: 0.8 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Princeton, MA
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in October: 5h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in October
Princeton, MA
- Average sunshine days in October: 17.3 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in October
Princeton, MA
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in October
Princeton, MA
- Average cloud cover in October: 49
The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in October
Princeton, MA
- Average visibility in October: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Princeton, Massachusetts, USA
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