October weather forecast
Atlantic, IA

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Weather in October

October, like September, is a moderate autumn month in Atlantic, Iowa, with an average temperature varying between 43.7°F (6.5°C) and 60.4°F (15.8°C).

Temperature

Atlantic's October weather is marked by a distinct drop in high-temperatures, declining from a warm 75°F (23.9°C) in September to a moderate 60.4°F (15.8°C). In October, the temperature drops to an average of 43.7°F (6.5°C) at night.

Humidity

With an average relative humidity of 69%, October is the least humid month.

Rainfall

In October, in Atlantic, the rain falls for 8.6 days. Throughout October, 1.42" (36mm) of precipitation is accumulated. Throughout the year, in Atlantic, Iowa, there are 118.7 rainfall days, and 20.79" (528mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows in Atlantic. Throughout October, in the average 0.5 snowfall days, it receives 0.35" (9mm) of snow. In Atlantic, during the entire year, snow falls for 32.3 days and aggregates up to 9.41" (239mm) of snow.

Daylight

In Atlantic, the average length of the day in October is 11h and 5min.
On the first day of October in Atlantic, sunrise is at 7:17 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 6:15 pm CDT.

Sunshine

The average sunshine in October is 5.8h.

UV index

The months with the lowest UV index in Atlantic, Iowa, are January, February, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in October transforms into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What are the temperatures in Atlantic in October?

October temperatures vary between a high-temperature of 60.4°F (15.8°C) and a low-temperature of 43.7°F (6.5°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 86°F (30°C).

What is the least humid month in Atlantic?

The least humid month in Atlantic, Iowa, is October, with an average relative humidity of 69%.

What is the average humidity in October in Atlantic?

In October, the average relative humidity in Atlantic, Iowa, is 69%.

How many days does it rain in October in Atlantic?

In Atlantic, Iowa, in October, it is raining for 8.6 days, with typically 1.42" (36mm) of accumulated precipitation.

When does it start snowing in Atlantic?

October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.35" (9mm) of snow.

What is the average length of the day in October in Atlantic?

In Atlantic, Iowa, the average day length in October is 11h and 5min.

When is the sunrise / sunset in October in Atlantic?

On the first day of October in Atlantic, sunrise is at 7:17 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 6:15 pm CDT.

How many hours of sunshine does Atlantic have in October?

The average sunshine duration in October in Atlantic is 5.8h.

What is the month with the lowest UV index in Atlantic?

The months with the lowest UV index in Atlantic are January, February, October through December, with an average maximum UV index of 2.

What is the UV index reading in October in Atlantic?

In October, the average daily maximum UV index in Atlantic is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Atlantic, IA

Average temperature in October - Atlantic, IA
  • Average high temperature in October: 60.4°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in October: 43.7°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 (15.1°F).

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Average pressure in October
Atlantic, IA

Average pressure in October - Atlantic, IA
  • Average pressure in October: 30.01"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).

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Average wind speed in October
Atlantic, IA

Average wind speed in October - Atlantic, IA
  • Average wind speed in October: 9.6mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in October
Atlantic, IA

Average humidity in October - Atlantic, IA
  • Average humidity in October: 69%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in October
Atlantic, IA

Average rainfall in October - Atlantic, IA
  • Average rainfall in October: 1.42"

The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in October
Atlantic, IA

Average rainfall days in October - Atlantic, IA
  • Average rainfall days in October: 8.6 days

The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (3.1 days).

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Average snowfall in October
Atlantic, IA

Average snowfall in October - Atlantic, IA
  • Average snowfall in October: 0.35"

The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Atlantic, IA

Average snowfall days in October - Atlantic, IA
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Atlantic, 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 30min).

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Average sunshine days in October
Atlantic, IA

Average sunshine days in October - Atlantic, IA
  • Average sunshine days in October: 20.7 days

The month with the most sunshine days is December (21.2 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index in October
Atlantic, IA

Average UV index in October - Atlantic, 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).

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Average cloud cover in October
Atlantic, IA

Average cloud cover in October - Atlantic, IA
  • Average cloud cover in October: 35

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in October
Atlantic, IA

Average visibility in October - Atlantic, 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).

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Atlantic, Iowa, USA

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