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 begins, there is a noticeable decrease in the average high-temperature, falling from a warm 75.6°F (24.2°C) in September to an enjoyable 61°F (16.1°C). In October, Walnut reports a consistent average low-temperature of 44.8°F (7.1°C) during the nights.Humidity
October is the least humid month, with an average relative humidity of 68%.Rainfall
In Walnut, in October, during 10 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 127.7 rainfall days, and 26.57" (675mm) of precipitation is accumulated.Snowfall
January through May, 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 0.31" (8mm) of snow. Throughout the year, there are 35.8 snowfall days, and 13.82" (351mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 5min.On the first day of the month, sunrise is at 7:18 am and sunset at 7:02 pm. On the last day of October, in Walnut, sunrise is at 7:52 am and sunset at 6:16 pm CDT.
Sunshine
In Walnut, the average sunshine in October is 5.9h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In October, the UV index of 2 transforms into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. 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
What are October temperatures?
What is the least humid month?
What is the average humidity in October?
How much does it rain in October?
When does it start snowing?
How many hours of daylight does Walnut have in October?
When is the sunrise / sunset in October?
How long on average sun shines in October?
What is the month with the lowest UV index?
How high is the UV index in October?
Average temperature in October
Walnut, IA
- Average high temperature in October: 61°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in October: 44.8°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 (15.4°F).
Average pressure in October
Walnut, 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 (29.87"Hg).
Average wind speed in October
Walnut, IA
- Average wind speed in October: 9.5mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in October
Walnut, IA
- Average humidity in October: 68%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (68%).
Average rainfall in October
Walnut, IA
- Average rainfall in October: 2.2"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in October
Walnut, IA
- Average rainfall days in October: 10 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in October
Walnut, IA
- Average snowfall in October: 0.31"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Walnut, IA
- Average snowfall days in October: 0.6 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Walnut, IA
- Average daylight in October: 11h and 1min
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 5min
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 36min).
Average sunshine days in October
Walnut, IA
- Average sunshine days in October: 19.5 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in October
Walnut, IA
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in October
Walnut, IA
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in October
Walnut, 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).
Walnut, Iowa, USA
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