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
Barnum's weather experiences a significant temperature drop with the arrival of October, falling from a moderately hot 74.1°F (23.4°C) in September to a mild 58.8°F (14.9°C). Barnum encounters an average low-temperature of 43.7°F (6.5°C) during October nights.Humidity
April and October, with an average relative humidity of 68%, are the least humid months.Rainfall
In October, the rain falls for 5.7 days. Throughout October, 0.67" (17mm) of precipitation is accumulated. In Barnum, during the entire year, the rain falls for 84.6 days and collects up to 7.91" (201mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.7 snowfall days, it receives 0.04" (1mm) of snow. In Barnum, during the entire year, snow falls for 29.4 days and aggregates up to 3.62" (92mm) of snow.Daylight
In October, the average length of the day is 11h and 2min.On the first day of the month, sunrise is at 7:15 am and sunset at 6:58 pm. On the last day of October, sunrise is at 7:50 am and sunset at 6:11 pm CDT.
Sunshine
The average sunshine in October is 5.5h.UV index
The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In October, the maximum UV index of 3 suggests this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What are the least humid months?
What is the average humidity in October?
How much does it rain in October?
When does it start to snow?
What is the average length of the day in October?
When are sunrise and sunset in October?
How long on average sun shines in October?
How high is the UV index in October?
Average temperature in October
Barnum, IA
- Average high temperature in October: 58.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in October: 43.7°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in October
Barnum, IA
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in October
Barnum, IA
- Average wind speed in October: 10mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in October
Barnum, IA
- Average humidity in October: 68%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in October
Barnum, IA
- Average rainfall in October: 0.67"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in October
Barnum, IA
- Average rainfall days in October: 5.7 days
The month with the highest number of rainy days is June (12 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in October
Barnum, IA
- Average snowfall in October: 0.04"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Barnum, IA
- Average snowfall days in October: 0.7 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Barnum, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in October
Barnum, IA
- Average sunshine days in October: 22.6 days
The month with the most sunshine days is December (24.3 days).
The month with the least sunshine days is June (15.5 days).
Average UV index in October
Barnum, IA
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in October
Barnum, IA
- Average cloud cover in October: 37
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in October
Barnum, 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).
Barnum, Iowa, USA
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