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 Castana transitions into October, a noticeable drop in the average high-temperature is observed, falling from a moderately hot 76.1°F (24.5°C) in September to a moderate 60.6°F (15.9°C). In Castana, the nighttime temperature averages to a chilly 44.4°F (6.9°C) during October.Humidity
April and October, with an average relative humidity of 66%, are the least humid months.Rainfall
In Castana, in October, during 10.4 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, in Castana, there are 117.6 rainfall days, and 21.89" (556mm) 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 0.9 snowfall days, it receives 0.16" (4mm) of snow. In Castana, during the entire year, snow falls for 32.9 days and aggregates up to 11.69" (297mm) of snow.Daylight
The average length of the day in October is 11h and 4min.On the first day of the month, sunrise is at 7:21 am and sunset at 7:04 pm. On the last day of October, sunrise is at 7:56 am and sunset at 6:18 pm CDT.
Sunshine
The average sunshine in October is 6.1h.UV index
In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 3 during October translates into the following directions:
Be vigilant - Preventing sunburn is recommended. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What are the least humid months in Castana?
What is the average humidity in October?
How many days does it rain in October?
When does it start to snow?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
Castana, IA
- Average high temperature in October: 60.6°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in October: 44.4°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in October
Castana, 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 (29.86"Hg).
Average wind speed in October
Castana, IA
- Average wind speed in October: 9.9mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in October
Castana, IA
- Average humidity in October: 66%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April and October (66%).
Average rainfall in October
Castana, IA
- Average rainfall in October: 2.05"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in October
Castana, IA
- Average rainfall days in October: 10.4 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in October
Castana, IA
- Average snowfall in October: 0.16"
The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Castana, IA
- Average snowfall days in October: 0.9 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Castana, IA
- Average daylight in October: 11h and 1min
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 12min).
- Average sunshine in October: 6h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in October
Castana, IA
- Average sunshine days in October: 19 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12 days).
Average UV index in October
Castana, IA
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in October
Castana, IA
- Average cloud cover in October: 33
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in October
Castana, IA
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Castana, Iowa, USA
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