October weather forecastTerril, IA
October
Weather in October
October, the same as September, in Terril, Iowa, is another refreshing autumn month, with an average temperature varying between 41.9°F (5.5°C) and 56.7°F (13.7°C).Temperature
October indicates a noticeable reduction in the average high-temperature, moving down from a pleasant 72.7°F (22.6°C) in September to a moderate 56.7°F (13.7°C). Terril records an average nighttime low-temperature of 41.9°F (5.5°C) throughout October.Humidity
With an average relative humidity of 68%, October is the least humid month.Rainfall
In October, the rain falls for 9.9 days. Throughout October, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 121.8 rainfall days, and 23.27" (591mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 1.5 snowfall days, it receives 0.75" (19mm) of snow. Throughout the year, there are 48.3 snowfall days, and 21.18" (538mm) of snow is accumulated.Daylight
In Terril, the average length of the day in October is 11h and 1min.On the first day of October, sunrise is at 7:18 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 6:12 pm CDT.
Sunshine
In October, the average sunshine is 5.7h.UV index
In Terril, Iowa, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 2 in October suggests the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To cut down UV radiation exposure by about half, sport a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Terril, IA
- Average high temperature in October: 56.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in October: 41.9°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure in October
Terril, IA
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in October
Terril, IA
- Average wind speed in October: 10.6mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in October
Terril, IA
- Average humidity in October: 68%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in October
Terril, IA
- Average rainfall in October: 1.85"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in October
Terril, IA
- Average rainfall days in October: 9.9 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (3 days).
Average snowfall in October
Terril, IA
- Average snowfall in October: 0.75"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Terril, IA
- Average snowfall days in October: 1.5 days
The month with the highest number of snowfall days is December (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Terril, 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 0min).
- Average sunshine in October: 5h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in October
Terril, IA
- Average sunshine days in October: 18.4 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in October
Terril, IA
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in October
Terril, IA
- Average cloud cover in October: 36
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in October
Terril, IA
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





