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 transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a pleasant 72.9°F (22.7°C) in September to a refreshing 61.2°F (16.2°C). In October, the average low-temperature records at a chilly 47.7°F (8.7°C) during the nights.Humidity
In Somerville, Massachusetts, the average relative humidity in October is 76%.Rainfall
In Somerville, in October, during 4 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, in Somerville, there are 47.8 rainfall days, and 4.13" (105mm) of precipitation is accumulated.Snowfall
In Somerville, snow does not fall in June through October.Daylight
In Somerville, Massachusetts, the average length of the day in October is 11h and 3min.On the first day of the month, sunrise is at 6:42 am and sunset at 6:25 pm. On the last day of October, in Somerville, sunrise is at 7:17 am and sunset at 5:38 pm EDT.
Sunshine
The average sunshine in October in Somerville, Massachusetts, is 6h.UV index
In October, the average daily maximum UV index in Somerville is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In October, the maximum UV index of 3 transforms into these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the usual temperature for Somerville in October?
What is the average humidity in October in Somerville?
How much does it rain in Somerville in October?
When it does not snow in Somerville?
Does it snow in Somerville in October?
How many hours of daylight does Somerville have in October?
When are sunrise and sunset in October in Somerville?
How long on average sun shines in October in Somerville?
How high is the UV index in October in Somerville?
Average temperature in October
Somerville, MA
- Average high temperature in October: 61.2°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in October: 47.7°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in October
Somerville, MA
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Somerville, MA
- Average wind speed in October: 8mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in October
Somerville, MA
- Average humidity in October: 76%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).
Average rainfall in October
Somerville, MA
- Average rainfall in October: 0.39"
The wettest month (with the highest rainfall) is November (0.55").
The driest month (with the least rainfall) is September (0.12").
Average rainfall days in October
Somerville, MA
- Average rainfall days in October: 4 days
The month with the highest number of rainy days is April (5.9 days).
The months with the least rainy days are January and September (2.9 days).
Average snowfall in October
Somerville, MA
- Average snowfall in October: 0"
The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in October
Somerville, MA
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (3.4 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, 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: 6h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in October
Somerville, MA
- Average sunshine days in October: 25 days
The month with the most sunshine days is December (25.5 days).
The month with the least sunshine days is July (22.8 days).
Average UV index in October
Somerville, MA
- 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, MA
- Average cloud cover in October: 44
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in October
Somerville, MA
- 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).
Somerville, Massachusetts, USA
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