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 in Ann Arbor suggests a modest reduction in the average high-temperature, shifting from a pleasant 72.5°F (22.5°C) in September to a mild 59.2°F (15.1°C). Nighttime temperatures in Ann Arbor consistently average a chilly 44.4°F (6.9°C) during October.Humidity
The average relative humidity in October is 77%.Rainfall
In Ann Arbor, Michigan, in October, during 12.2 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Ann Arbor, Michigan, during the entire year, the rain falls for 144.9 days and collects up to 18.82" (478mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Ann Arbor. October is the first month it typically snows in Ann Arbor. Throughout October, in the average 0.5 snowfall days, it receives 0.08" (2mm) of snow. In Ann Arbor, during the entire year, snow falls for 45 days and aggregates up to 9.69" (246mm) of snow.Daylight
The average length of the day in October is 11h and 3min.On the first day of the month, sunrise is at 7:32 am and sunset at 7:15 pm. On the last day of October, sunrise is at 8:07 am and sunset at 6:29 pm EDT.
Sunshine
The average sunshine in October in Ann Arbor is 5.6h.UV index
The average daily maximum UV index in October in Ann Arbor is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In October, the maximum UV index of 2 transforms into these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. It's recommended to limit sun exposure when its radiation is at its peak during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What are October temperatures in Ann Arbor?
What is the average humidity in October in Ann Arbor?
How many days does it rain in October in Ann Arbor?
When does it start to snow in Ann Arbor?
How many hours of daylight does Ann Arbor have in October?
What time are sunrise and sunset in October in Ann Arbor?
How long on average sun shines in October in Ann Arbor?
What is the UV index reading in October in Ann Arbor?
Average temperature in October
Ann Arbor, MI
- Average high temperature in October: 59.2°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in October: 44.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in October
Ann Arbor, 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
Ann Arbor, MI
- Average wind speed in October: 8.9mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in October
Ann Arbor, MI
- Average humidity in October: 77%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in October
Ann Arbor, MI
- Average rainfall in October: 1.3"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in October
Ann Arbor, MI
- Average rainfall days in October: 12.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in October
Ann Arbor, MI
- Average snowfall in October: 0.08"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Ann Arbor, MI
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Ann Arbor, MI
- 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 6min).
- Average sunshine in October: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in October
Ann Arbor, MI
- Average sunshine days in October: 17.5 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in October
Ann Arbor, MI
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Ann Arbor, MI
- Average cloud cover in October: 44
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in October
Ann Arbor, MI
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Ann Arbor, Michigan, USA
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