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
October's arrival correlates with a reduction in the average high-temperature, down from an agreeable 71.8°F (22.1°C) in September to a moderate 58.8°F (14.9°C). Rochester temperatures generally rest at a low of 45.1°F (7.3°C) during the October nights.Humidity
In October, the average relative humidity in Rochester is 76%.Rainfall
In October, in Rochester, the rain falls for 14.9 days. Throughout October, 1.77" (45mm) of precipitation is accumulated. In Rochester, during the entire year, the rain falls for 146.2 days and collects up to 18.5" (470mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 62.5 snowfall days, and 14.09" (358mm) of snow is accumulated.Daylight
In October, the average length of the day in Rochester, Michigan, is 11h and 2min.On the first day of October in Rochester, sunrise is at 7:30 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 6:26 pm EDT.
Sunshine
In Rochester, the average sunshine in October is 5.6h.UV index
In Rochester, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 2 in October transforms into this advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Guard yourself! Snow reflection 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 average length of the day in October in Rochester?
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, MI
- Average high temperature in October: 58.8°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in October: 45.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in October
Rochester, MI
- Average pressure in October: 30"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Rochester, MI
- Average wind speed in October: 9.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in October
Rochester, MI
- Average humidity in October: 76%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, May, July and August (75%).
Average rainfall in October
Rochester, MI
- Average rainfall in October: 1.77"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are February and December (1.02").
Average rainfall days in October
Rochester, MI
- Average rainfall days in October: 14.9 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in October
Rochester, MI
- Average snowfall in October: 0.08"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Rochester, MI
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (15.7 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, MI
- 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: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in October
Rochester, MI
- Average sunshine days in October: 14.3 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in October
Rochester, MI
- Average UV index in October: 2
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Rochester, MI
- Average cloud cover in October: 45
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in October
Rochester, MI
- 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, Michigan, USA
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