October weather forecast
Coster, IA

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Weather in October

October, the same as September, in Coster, Iowa, is another mild autumn month, with temperature in the range of an average low of 43.2°F (6.2°C) and an average high of 58.3°F (14.6°C).

Temperature

The arrival of October is marked by a notable decrease in high-temperatures, falling from an agreeable 73.2°F (22.9°C) in September to a mild 58.3°F (14.6°C). Throughout October nights, Coster registers an average low-temperature of 43.2°F (6.2°C).

Humidity

The least humid month is October, with an average relative humidity of 71%.

Rainfall

In Coster, during October, the rain falls for 11.2 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Coster, during the entire year, the rain falls for 148.3 days and collects up to 31.02" (788mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows in Coster. Throughout October, in the average 1.3 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 53.2 snowfall days, and 22.4" (569mm) of snow is accumulated.

Daylight

In Coster, Iowa, the average length of the day in October is 11h and 2min.
On the first day of the month, sunrise is at 7:08 am and sunset at 6:51 pm. On the last day of October, sunrise is at 7:44 am and sunset at 6:04 pm CDT.

Sunshine

In Coster, Iowa, the average sunshine in October is 5.5h.

UV index

The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: During October, 2 as the daily maximum UV index converts into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Coster in October?

The high-temperature, in October, in Coster, records 58.3°F (14.6°C), while the low-temperature is 43.2°F (6.2°C).

What is the least humid month?

October is the least humid month, with an average relative humidity of 71%.

What is the average humidity in October?

In Coster, the average relative humidity in October is 71%.

How much does it rain in October?

In October, the rain falls for 11.2 days. Throughout October, 2.68" (68mm) of precipitation is accumulated.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 1.3 snowfall days, it receives 0.28" (7mm) of snow.

What is the average length of the day in October?

The average day length in October is 11h and 2min.

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 7:08 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 6:04 pm CDT.

How long on average sun shines in October?

In Coster, the average sunshine duration in October is 5.5h.

What is the UV index reading in October?

The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Coster, IA

Average temperature in October - Coster, IA
  • Average high temperature in October: 58.3°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.1°F).

  • Average low temperature in October: 43.2°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).

Average pressure in October
Coster, IA

Average pressure in October - Coster, IA
  • Average pressure in October: 30"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in October
Coster, IA

Average wind speed in October - Coster, IA
  • Average wind speed in October: 9.9mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in October
Coster, IA

Average humidity in October - Coster, IA
  • Average humidity in October: 71%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Coster, IA

Average rainfall in October - Coster, IA
  • Average rainfall in October: 2.68"

The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in October
Coster, IA

Average rainfall days in October - Coster, IA
  • Average rainfall days in October: 11.2 days

The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in October
Coster, IA

Average snowfall in October - Coster, IA
  • Average snowfall in October: 0.28"

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Coster, IA

Average snowfall days in October - Coster, IA
  • Average snowfall days in October: 1.3 days

The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Coster, IA

Average daylight in October / Average sunshine in October - Coster, 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 3min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in October
Coster, IA

Average sunshine days in October - Coster, IA
  • Average sunshine days in October: 16.5 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (7.8 days).

Average UV index in October
Coster, IA

Average UV index in October - Coster, IA
  • Average UV index in October: 2

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in October
Coster, IA

Average cloud cover in October - Coster, IA
  • Average cloud cover in October: 39

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
Coster, IA

Average visibility in October - Coster, IA
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).

Coster, Iowa, USA

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