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 sets, the average high-temperature displays a significant decrease, moving down from an agreeable 72.5°F (22.5°C) in September to a mild 58.1°F (14.5°C). October nights observe an average temperature dip to an icy 41.9°F (5.5°C).Humidity
The least humid month is October, with an average relative humidity of 76%.Rainfall
In Julien, Iowa, in October, during 11.7 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 135.3 rainfall days, and 27.4" (696mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.35" (9mm) of snow. In Julien, during the entire year, snow falls for 43.9 days and aggregates up to 17.09" (434mm) of snow.Daylight
The average length of the day in October in Julien, Iowa, is 11h and 2min.On the first day of October, sunrise is at 7:01 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:57 pm CDT.
Sunshine
In Julien, the average sunshine in October is 5.1h.UV index
In October, the average daily maximum UV index in Julien is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 in October translates into these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature in Julien?
What is the least humid month in Julien?
What is the average humidity in October in Julien?
How much does it rain in Julien in October?
When does it start snowing in Julien?
How many hours of daylight does Julien have in October?
When is the sunrise / sunset in October in Julien?
How long on average sun shines in October in Julien?
How high is the UV index in October in Julien?
Average temperature in October
Julien, IA
- Average high temperature in October: 58.1°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in October: 41.9°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in October
Julien, IA
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in October
Julien, IA
- Average wind speed in October: 9.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in October
Julien, IA
- Average humidity in October: 76%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall in October
Julien, IA
- Average rainfall in October: 2.56"
The wettest months (with the highest rainfall) are May and June (3.7").
The driest months (with the least rainfall) are January and February (1.14").
Average rainfall days in October
Julien, IA
- Average rainfall days in October: 11.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in October
Julien, IA
- Average snowfall in October: 0.35"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Julien, IA
- Average snowfall days in October: 0.6 days
The month with the highest number of snowfall days is January (12.8 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
Julien, 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 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in October
Julien, IA
- Average sunshine days in October: 17 days
The months with the most sunshine days are November and December (17.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in October
Julien, IA
- Average UV index in October: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in October
Julien, IA
- Average cloud cover in October: 41
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in October
Julien, IA
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Julien, Iowa, USA
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