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 October's onset, the average high-temperature recedes from September's pleasant 70°F (21.1°C) to a refreshing 60.6°F (15.9°C). In Rochester, the nighttime temperature shows a slight difference from the daytime high, averaging to a fresh 51.8°F (11°C) during October.Humidity
In October, the average relative humidity is 77%.Rainfall
October is the month with the most rainfall. Rain falls for 12 days and accumulates 1.89" (48mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. 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. In Rochester, Massachusetts, during the entire year, snow falls for 21.6 days and aggregates up to 4.29" (109mm) of snow.Daylight
In October, the average length of the day is 11h and 4min.On the first day of October, sunrise is at 6:41 am and sunset at 6:24 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:38 pm EDT.
Sunshine
In Rochester, the average sunshine in October is 6.5h.UV index
In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In October, the average maximum UV index of 3 translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Opt for tightly woven and loose clothing to enhance protection from the Sun. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What is the average humidity in October?
What is the rainiest month?
How much does it rain in October?
When does it start to snow?
How many hours of daylight does Rochester have in October?
When are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
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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