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 sea temperature 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 onset of October results in a decrease in the average high-temperature, receding from an agreeable 71.1°F (21.7°C) in September to a refreshing 58.5°F (14.7°C). During October, Rochester records a consistent average nighttime temperature of 46.8°F (8.2°C).Humidity
In Rochester, New York, the average relative humidity in October is 78%.Rainfall
In Rochester, New York, in October, during 17.8 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, in Rochester, New York, there are 172.4 rainfall days, and 29.45" (748mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Rochester. October is the first month it typically snows in Rochester, New York. Throughout October, in the average 0.9 snowfall days, it receives 0.24" (6mm) of snow. In Rochester, during the entire year, snow falls for 70.9 days and aggregates up to 27.44" (697mm) of snow.Ocean temperature
In October, the average ocean temperature is 57.9°F (14.4°C).Note: Swimming in 57.9°F (14.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.
Daylight
In Rochester, the average length of the day in October is 11h and 1min.On the first day of October, sunrise is at 7:08 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 6:03 pm EDT.
Sunshine
In Rochester, the average sunshine in October is 4.8h.UV index
The average daily maximum UV index in October in Rochester is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In October, the maximum UV index of 3 translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the average October temperature in Rochester?
What is the average humidity in October in Rochester?
How many days does it rain in October in Rochester?
When does it start to snow in Rochester?
What is the water temperature in October in Rochester?
What is the average length of the day in October in Rochester?
When is the sunrise / sunset in October in Rochester?
How long on average sun shines in October in Rochester?
What is the UV index reading in October in Rochester?
Average temperature in October
Rochester, NY
- Average high temperature in October: 58.5°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in October: 46.8°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in October
Rochester, NY
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Rochester, NY
- Average wind speed in October: 9.4mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in October
Rochester, NY
- Average humidity in October: 78%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (76%).
Average rainfall in October
Rochester, NY
- Average rainfall in October: 2.83"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in October
Rochester, NY
- Average rainfall days in October: 17.8 days
The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in October
Rochester, NY
- Average snowfall in October: 0.24"
The month with the highest snowfall is February (7.01").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Rochester, NY
- Average snowfall days in October: 0.9 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in October
Rochester, NY
- Average sea temperature in October: 57.9°F
The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is March (35.8°F).
Average daylight in October /
Average sunshine in October
Rochester, NY
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in October: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in October
Rochester, NY
- Average sunshine days in October: 10.3 days
The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in October
Rochester, NY
- Average UV index in October: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Rochester, NY
- Average cloud cover in October: 49
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in October
Rochester, NY
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Rochester, New York, USA
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