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
Transition into October marks a drop in the average high-temperature, moving from a warm 73.6°F (23.1°C) in September to a moderate 59.5°F (15.3°C). Preston's nights in October experience an average temperature drop to a frosty 43.5°F (6.4°C).Humidity
The least humid month is October, with an average relative humidity of 74%.Rainfall
In Preston, during October, the rain falls for 11.7 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Preston, Iowa, during the entire year, the rain falls for 143.3 days and collects up to 29.76" (756mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Preston. October is the first month it typically snows in Preston. Throughout October, in the average 0.6 snowfall days, it receives 0.75" (19mm) of snow. In Preston, during the entire year, snow falls for 40.2 days and aggregates up to 17.48" (444mm) of snow.Daylight
The average length of the day in October is 11h and 4min.On the first day of October in Preston, sunrise is at 6:59 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:56 pm CDT.
Sunshine
In October, the average sunshine is 5.2h.UV index
In October, the average daily maximum UV index in Preston is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In October, the maximum UV index of 2 translates into these guidelines:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Caution! The reflection of snow can nearly 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 usual temperature for Preston in October?
What is the least humid month in Preston?
What is the average humidity in October in Preston?
How many days does it rain in October in Preston?
When does it start to snow in Preston?
What is the average length of the day in October in Preston?
What time are sunrise and sunset in October in Preston?
How many hours of sunshine does Preston have in October?
What is the UV index reading in October in Preston?
Average temperature in October
Preston, IA
- Average high temperature in October: 59.5°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 (25.9°F).
- Average low temperature in October: 43.5°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 (13.3°F).
Average pressure in October
Preston, IA
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in October
Preston, IA
- Average wind speed in October: 9.4mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in October
Preston, IA
- Average humidity in October: 74%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Preston, IA
- Average rainfall in October: 2.6"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in October
Preston, IA
- Average rainfall days in October: 11.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in October
Preston, IA
- Average snowfall in October: 0.75"
The month with the highest snowfall is January (5.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Preston, IA
- Average snowfall days in October: 0.6 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Preston, 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: 5h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in October
Preston, IA
- Average sunshine days in October: 16.9 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in October
Preston, IA
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Preston, IA
- Average cloud cover in October: 40
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in October
Preston, IA
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Preston, Iowa, USA
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