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 arrival of October signals a shift in temperature, down from a warm 75.2°F (24°C) in September to an enjoyable 63.5°F (17.5°C). During October, Somerville experiences a consistent low-temperature average of 48°F (8.9°C).Humidity
The months with the highest humidity are February, October and December, with an average relative humidity of 79%.Rainfall
In Somerville, in October, during 13.5 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 157.9 rainfall days, and 28.19" (716mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Somerville, during the entire year, snow falls for 23.8 days and aggregates up to 9.53" (242mm) of snow.Daylight
In October, the average length of the day is 11h and 7min.On the first day of the month, sunrise is at 6:55 am and sunset at 6:40 pm. On the last day of October, sunrise is at 7:28 am and sunset at 5:55 pm EDT.
Sunshine
The average sunshine in October in Somerville is 5.6h.UV index
In Somerville, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 3 in October transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What are the most humid months in Somerville?
What is the average humidity in October in Somerville?
How many days does it rain in October?
When does it start to snow?
What is the average length of the day in October?
When are sunrise and sunset in October in Somerville?
How long on average sun shines in October?
How high is the UV index in October in Somerville?
Average temperature in October
Somerville, NJ
- Average high temperature in October: 63.5°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in October: 48°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in October
Somerville, NJ
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Somerville, NJ
- Average wind speed in October: 6.9mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in October
Somerville, NJ
- Average humidity in October: 79%
The months with the highest relative humidity are February, October and December (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall in October
Somerville, NJ
- Average rainfall in October: 2.6"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in October
Somerville, NJ
- Average rainfall days in October: 13.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (9 days).
Average snowfall in October
Somerville, NJ
- Average snowfall in October: 0.08"
The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Somerville, NJ
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Somerville, NJ
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in October
Somerville, NJ
- Average sunshine days in October: 16.2 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in October
Somerville, NJ
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
Somerville, NJ
- Average cloud cover in October: 43
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in October
Somerville, NJ
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Somerville, New Jersey, USA
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