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
With the transition into October, Waterloo experiences a significant decrease in average high-temperatures, moving down from an agreeable 73.2°F (22.9°C) in September to a moderate 58.5°F (14.7°C). In October, Waterloo experiences a temperature dip to an average of 43.5°F (6.4°C) at night.Humidity
The least humid month in Waterloo, Iowa, is October, with an average relative humidity of 72%.Rainfall
In Waterloo, in October, it is raining for 11.1 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, there are 133.6 rainfall days, and 28.27" (718mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows in Waterloo. Throughout October, in the average 0.7 snowfall days, it receives 0.2" (5mm) of snow. In Waterloo, during the entire year, snow falls for 41.6 days and aggregates up to 15.24" (387mm) of snow.Daylight
The average length of the day in October is 11h and 2min.On the first day of October, sunrise is at 7:07 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 6:03 pm CDT.
Sunshine
The average sunshine in October in Waterloo is 5.4h.UV index
In October, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 2 in October leads to these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Waterloo in October?
What is the least humid month in Waterloo?
What is the average humidity in October in Waterloo?
How many days does it rain in October in Waterloo?
When does it start snowing in Waterloo?
What is the average length of the day in October in Waterloo?
When is the sunrise / sunset in October in Waterloo?
How long on average sun shines in October in Waterloo?
What is the UV index reading in October in Waterloo?
Average temperature in October
Waterloo, IA
- Average high temperature in October: 58.5°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 (24.3°F).
- Average low temperature in October: 43.5°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 (12°F).
Average pressure in October
Waterloo, 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
Waterloo, IA
- Average wind speed in October: 9.8mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in October
Waterloo, IA
- Average humidity in October: 72%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Waterloo, IA
- Average rainfall in October: 2.52"
The wettest month (with the highest rainfall) is June (4.29").
The driest months (with the least rainfall) are January and February (1.02").
Average rainfall days in October
Waterloo, IA
- Average rainfall days in October: 11.1 days
The month with the highest number of rainy days is June (18.1 days).
The month with the least rainy days is February (4 days).
Average snowfall in October
Waterloo, IA
- Average snowfall in October: 0.2"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Waterloo, IA
- Average snowfall days in October: 0.7 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
Waterloo, IA
- Average daylight in October: 11h and 0min
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 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in October
Waterloo, IA
- Average sunshine days in October: 17.8 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is June (10 days).
Average UV index in October
Waterloo, 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
Waterloo, IA
- Average cloud cover in October: 39
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in October
Waterloo, IA
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Waterloo, Iowa, USA
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