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 corresponds with a temperature reduction, down from September's agreeable 70°F (21.1°C) to a mild 60.6°F (15.9°C). Rochester maintains an average of approximately a fresh 51.8°F (11°C) during October nights, with only a minimal decrease from the daytime temperature.Humidity
In Rochester, the average relative humidity in October is 77%.Rainfall
The month with the most rainfall in Rochester, Massachusetts, is October, when the rain falls for 12 days and typically aggregates up to 1.89" (48mm) of precipitation.Snowfall
Months with snowfall in Rochester are January through May, October through December. October is the first month it typically snows in Rochester. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Rochester, there are 21.6 snowfall days, and 4.29" (109mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 4min.On the first day of the month, sunrise is at 6:41 am and sunset at 6:24 pm. On the last day of October, sunrise is at 7:15 am and sunset at 5:38 pm EDT.
Sunshine
The average sunshine in October is 6.5h.UV index
The average daily maximum UV index in October in Rochester is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In October, the maximum UV index of 3 suggests this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What are October temperatures in Rochester?
What is the average humidity in October in Rochester?
What is the rainiest month in Rochester?
How much does it rain in Rochester in October?
When does it start snowing in Rochester?
How many hours of daylight does Rochester have in October?
When are sunrise and sunset in October in Rochester?
How many hours of sunshine does Rochester have in October?
How high is the UV index in October in Rochester?
Average temperature in October
Rochester, MA
- Average high temperature in October: 60.6°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in October: 51.8°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in October
Rochester, 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
Rochester, MA
- Average wind speed in October: 11.2mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in October
Rochester, MA
- Average humidity in October: 77%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in October
Rochester, MA
- Average rainfall in October: 1.89"
The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in October
Rochester, MA
- Average rainfall days in October: 12 days
The months with the highest number of rainy days are May and July (14.1 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in October
Rochester, MA
- Average snowfall in October: 0.04"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Rochester, MA
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Rochester, MA
- Average daylight in October: 11h and 1min
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 12min).
- Average sunshine in October: 6h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in October
Rochester, MA
- Average sunshine days in October: 17.3 days
The month with the most sunshine days is December (17.7 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in October
Rochester, 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
Rochester, MA
- Average cloud cover in October: 40
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in October
Rochester, 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).
Rochester, Massachusetts, USA
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