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
As October arrives, Garrison's weather displays a decrease in high-temperatures, transitioning from September's pleasant 73.2°F (22.9°C) to a moderate 59.4°F (15.2°C). In the month of October, Garrison experiences an average low-temperature of 43.5°F (6.4°C).Humidity
The least humid month is October, with an average relative humidity of 72%.Rainfall
In Garrison, during October, the rain falls for 8.5 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Garrison, during the entire year, the rain falls for 103.1 days and collects up to 10.63" (270mm) of precipitation.Snowfall
Months with snowfall in Garrison are January through April, October through December. October is the first month it typically snows in Garrison, Iowa. Throughout October, in the average 0.7 snowfall days, it receives 0.2" (5mm) of snow. In Garrison, during the entire year, snow falls for 29.1 days and aggregates up to 4.92" (125mm) of snow.Daylight
In Garrison, the average length of the day in October is 11h and 3min.On the first day of the month, sunrise is at 7:06 am and sunset at 6:49 pm. On the last day of October, in Garrison, sunrise is at 7:41 am and sunset at 6:03 pm CDT.
Sunshine
In Garrison, the average sunshine in October is 5.4h.UV index
In October, the average daily maximum UV index in Garrison is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 2 during October morphs into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature in Garrison?
What is the least humid month in Garrison?
What is the average humidity in October in Garrison?
How many days does it rain in October in Garrison?
When does it start snowing in Garrison?
What is the average length of the day in October in Garrison?
When are sunrise and sunset in October in Garrison?
How long on average sun shines in October in Garrison?
What is the UV index intensity in October in Garrison?
Average temperature in October
Garrison, IA
- Average high temperature in October: 59.4°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in October: 43.5°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in October
Garrison, IA
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in October
Garrison, IA
- Average wind speed in October: 9.7mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in October
Garrison, IA
- Average humidity in October: 72%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Garrison, IA
- Average rainfall in October: 0.71"
The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in October
Garrison, IA
- Average rainfall days in October: 8.5 days
The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in October
Garrison, IA
- Average snowfall in October: 0.2"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Garrison, IA
- Average snowfall days in October: 0.7 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Garrison, IA
- 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: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in October
Garrison, IA
- Average sunshine days in October: 20.8 days
The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (13.4 days).
Average UV index in October
Garrison, IA
- Average UV index in October: 2
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Garrison, IA
- Average cloud cover in October: 39
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in October
Garrison, IA
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Garrison, Iowa, USA
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