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
Observing a mild shift, the average high-temperature during October reduces from September's agreeable 71.8°F (22.1°C) to a refreshing 57.7°F (14.3°C). In Garnavillo, the October nights cool down to an average low of 41.7°F (5.4°C).Humidity
With an average relative humidity of 75%, October is the least humid month.Rainfall
In October, the rain falls for 11.1 days. Throughout October, 2.6" (66mm) of precipitation is accumulated. In Garnavillo, during the entire year, the rain falls for 138 days and collects up to 29.21" (742mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Garnavillo. October is the first month it typically snows. Throughout October, in the average 1.2 snowfall days, it receives 0.35" (9mm) of snow. In Garnavillo, during the entire year, snow falls for 48.5 days and aggregates up to 19.76" (502mm) of snow.Daylight
In Garnavillo, the average length of the day in October is 11h and 2min.On the first day of the month, sunrise is at 7:03 am and sunset at 6:45 pm. On the last day of October, in Garnavillo, sunrise is at 7:38 am and sunset at 5:58 pm CDT.
Sunshine
The average sunshine in October is 5.4h.UV index
The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In October, the average maximum UV index of 2 translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature in Garnavillo?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October?
When does it start snowing?
What is the average length of the day in October?
What time 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
Garnavillo, IA
- Average high temperature in October: 57.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in October: 41.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in October
Garnavillo, IA
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in October
Garnavillo, IA
- Average wind speed in October: 9.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in October
Garnavillo, IA
- Average humidity in October: 75%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (75%).
Average rainfall in October
Garnavillo, IA
- Average rainfall in October: 2.6"
The wettest month (with the highest rainfall) is June (4.25").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in October
Garnavillo, IA
- Average rainfall days in October: 11.1 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in October
Garnavillo, IA
- Average snowfall in October: 0.35"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Garnavillo, IA
- Average snowfall days in October: 1.2 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Garnavillo, IA
- 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 2min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in October
Garnavillo, IA
- Average sunshine days in October: 16.7 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in October
Garnavillo, IA
- Average UV index in October: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in October
Garnavillo, IA
- Average cloud cover in October: 40
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in October
Garnavillo, IA
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Garnavillo, Iowa, USA
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