October weather forecast
Granger, IA

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Weather in October

October, like September, is a moderate autumn month in Granger, Iowa, with an average temperature varying between 44.6°F (7°C) and 60.4°F (15.8°C).

Temperature

The shift from September to October sees a distinct decrease in the average high-temperature, dropping from a moderately hot 75.6°F (24.2°C) to a mild 60.4°F (15.8°C). In Granger, October nights witness a steady temperature drop to a chilly 44.6°F (7°C).

Humidity

With an average relative humidity of 70%, October is the least humid month.

Rainfall

In October, in Granger, Iowa, the rain falls for 8.1 days. Throughout October, 1.06" (27mm) of precipitation is accumulated. Throughout the year, in Granger, there are 114.6 rainfall days, and 15.51" (394mm) 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 0.16" (4mm) of snow. Throughout the year, there are 29.6 snowfall days, and 6.77" (172mm) of snow is accumulated.

Daylight

In October, the average length of the day in Granger is 11h and 4min.
On the first day of October in Granger, sunrise is at 7:12 am and sunset at 6:56 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 6:10 pm CDT.

Sunshine

In October, the average sunshine in Granger, Iowa, is 5.7h.

UV index

The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 2 during October translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Granger in October?

The average high-temperature, in October, in Granger, is 60.4°F (15.8°C), while the average low-temperature is 44.6°F (7°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 87.8°F (31°C).

What is the least humid month in Granger?

The least humid month is October, with an average relative humidity of 70%.

What is the average humidity in October in Granger?

The average relative humidity in October in Granger is 70%.

How much does it rain in Granger in October?

In Granger, in October, during 8.1 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

When does it start snowing in Granger?

October is the first month it typically snows in Granger, Iowa. Throughout October, in the average 0.6 snowfall days, it receives 0.16" (4mm) of snow.

How many hours of daylight does Granger have in October?

In October, the average day length in Granger is 11h and 4min.

When are sunrise and sunset in October in Granger?

In October, on the first day of the month, sunrise is at 7:12 am and sunset at 6:56 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 6:10 pm CDT.

How many hours of sunshine does Granger have in October?

In Granger, the average sunshine duration in October is 5.7h.

What is the UV index reading in October in Granger?

The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Granger, IA

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

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in October: 44.6°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 (14.4°F).

Average pressure in October
Granger, IA

Average pressure in October - Granger, 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 (29.88"Hg).

Average wind speed in October
Granger, IA

Average wind speed in October - Granger, IA
  • Average wind speed in October: 9.4mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in October
Granger, IA

Average humidity in October - Granger, IA
  • Average humidity in October: 70%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (70%).

Average rainfall in October
Granger, IA

Average rainfall in October - Granger, IA
  • Average rainfall in October: 1.06"

The wettest months (with the highest rainfall) are May and June (2.52").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in October
Granger, IA

Average rainfall days in October - Granger, IA
  • Average rainfall days in October: 8.1 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3.5 days).

Average snowfall in October
Granger, IA

Average snowfall in October - Granger, IA
  • Average snowfall in October: 0.16"

The month with the highest snowfall is January (2.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Granger, IA

Average snowfall days in October - Granger, IA
  • Average snowfall days in October: 0.6 days

The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Granger, 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 4min

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 18min).

Average sunshine days in October
Granger, IA

Average sunshine days in October - Granger, IA
  • Average sunshine days in October: 21 days

The month with the most sunshine days is December (22.8 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in October
Granger, IA

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

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

Average cloud cover in October
Granger, IA

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

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in October
Granger, IA

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

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

Granger, Iowa, USA

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