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
During the transition into October, Postville observes a decrease in the average high-temperature, falling from an agreeable 71.1°F (21.7°C) in September to a refreshing 57°F (13.9°C). Postville experiences a mean low-temperature of 41.4°F (5.2°C) during October.Humidity
The least humid month in Postville is October, with an average relative humidity of 75%.Rainfall
In Postville, Iowa, in October, during 11.6 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Postville, during the entire year, the rain falls for 131 days and collects up to 27.91" (709mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 1.4 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 52.3 snowfall days, and 21.26" (540mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 1min.On the first day of October, sunrise is at 7:04 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:59 pm CDT.
Sunshine
The average sunshine in October is 5.2h.UV index
In Postville, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In October, a daily maximum UV index of 2 leads to the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures in Postville?
What is the least humid month in Postville?
What is the average humidity in October in Postville?
How much does it rain in Postville in October?
When does it start snowing in Postville?
How many hours of daylight does Postville have in October?
When are sunrise and sunset in October in Postville?
How long on average sun shines in October in Postville?
What is the UV index intensity in October in Postville?
Average temperature in October
Postville, IA
- Average high temperature in October: 57°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in October: 41.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in October
Postville, IA
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in October
Postville, 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 (7mph).
Average humidity in October
Postville, IA
- Average humidity in October: 75%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (75%).
Average rainfall in October
Postville, IA
- Average rainfall in October: 2.52"
The wettest month (with the highest rainfall) is June (4.33").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in October
Postville, IA
- Average rainfall days in October: 11.6 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in October
Postville, IA
- Average snowfall in October: 0.28"
The month with the highest snowfall is February (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Postville, IA
- Average snowfall days in October: 1.4 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Postville, 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 6min).
- Average sunshine in October: 5h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in October
Postville, IA
- Average sunshine days in October: 16.6 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in October
Postville, 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, November and December (UV index 1).
Average cloud cover in October
Postville, IA
- Average cloud cover in October: 41
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in October
Postville, IA
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Postville, Iowa, USA
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