October weather forecastAltoona, IA
October
Weather in October
In October, Altoona is fully immersed in the fall season marked by a significant drop in temperature to an average high of 60.3°F (15.7°C). The mild and cool conditions are punctuated by autumn foliage, contributing to a picturesque landscape. The amount of rainfall decreases while wind speeds increase, reinforcing the chill in the air. With the progression of the month, daylight hours reduce, heralding the arrival of shorter days. October concludes with brisk weather and vivid fall foliage, paving the way for the winter to set in.Temperature
October brings a significant decrease in the average high-temperature, moving down from a warm 75.4°F (24.1°C) in September to a mild 60.3°F (15.7°C). An average nighttime temperature of 44.4°F (6.9°C) is recorded during October.Humidity
October is the least humid month, with an average relative humidity of 70%.Rainfall
In Altoona, in October, it is raining for 5.5 days, with typically 0.55" (14mm) of accumulated precipitation. In Altoona, during the entire year, the rain falls for 79 days and collects up to 5.94" (151mm) of precipitation.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 0.12" (3mm) of snow. Throughout the year, there are 22 snowfall days, and 2.44" (62mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 4min.On the first day of the month, sunrise is at 7:11 am and sunset at 6:55 pm. On the last day of October, sunrise is at 7:45 am and sunset at 6:09 pm CDT.
Sunshine
In October, the average sunshine is 5.7h.UV index
The average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In October, the maximum UV index of 2 suggests these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. 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. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Altoona, IA
- Average high temperature in October: 60.3°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in October: 44.4°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in October
Altoona, IA
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in October
Altoona, IA
- Average wind speed in October: 9.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in October
Altoona, IA
- Average humidity in October: 70%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Altoona, IA
- Average rainfall in October: 0.55"
The wettest month (with the highest rainfall) is May (0.98").
The driest months (with the least rainfall) are January, February and December (0.24").
Average rainfall days in October
Altoona, IA
- Average rainfall days in October: 5.5 days
The month with the highest number of rainy days is May (11.6 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in October
Altoona, IA
- Average snowfall in October: 0.12"
The month with the highest snowfall is January (0.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Altoona, IA
- Average snowfall days in October: 0.6 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Altoona, IA
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- 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 12min).
Average sunshine days in October
Altoona, IA
- Average sunshine days in October: 23.5 days
The month with the most sunshine days is December (25.5 days).
The month with the least sunshine days is June (15.5 days).
Average UV index in October
Altoona, IA
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in October
Altoona, IA
- Average cloud cover in October: 36
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in October
Altoona, IA
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
