October weather forecast
Tennant, IA

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Weather in October

October, like September, is a moderate autumn month in Tennant, Iowa, with an average temperature varying between 44.1°F (6.7°C) and 59.7°F (15.4°C).

Temperature

A clear reduction in the average high-temperature is witnessed with the onset of October, reducing from a moderately hot 75°F (23.9°C) in September to a refreshing 59.7°F (15.4°C). Tennant records a consistent low-temperature of 44.1°F (6.7°C) during October nights.

Humidity

With an average relative humidity of 68%, October is the least humid month.

Rainfall

In Tennant, in October, it is raining for 8.5 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 113.5 rainfall days, and 15.71" (399mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows in Tennant. Throughout October, in the average 0.7 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, there are 31.5 snowfall days, and 7.13" (181mm) of snow is accumulated.

Daylight

In Tennant, the average length of the day in October is 11h and 4min.
On the first day of the month, sunrise is at 7:19 am and sunset at 7:02 pm. On the last day of October, sunrise is at 7:53 am and sunset at 6:17 pm CDT.

Sunshine

In October, the average sunshine is 5.9h.

UV index

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 2 in October leads to these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

Tennant in October has an average high-temperature of 59.7°F (15.4°C) and an average low-temperature of 44.1°F (6.7°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 89.6°F (32°C).

What is the least humid month?

October is the least humid month, with an average relative humidity of 68%.

What is the average humidity in October in Tennant?

The average relative humidity in October is 68%.

How many days does it rain in October?

In Tennant, in October, it is raining for 8.5 days, with typically 1.06" (27mm) of accumulated precipitation.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.7 snowfall days, it receives 0.24" (6mm) of snow.

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

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

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 7:19 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 6:17 pm CDT.

How long on average sun shines in October?

The average sunshine duration in October is 5.9h.

What are the months with the lowest UV index in Tennant?

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

What is the UV index reading in October?

In Tennant, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to 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
Tennant, IA

Average temperature in October - Tennant, IA
  • Average high temperature in October: 59.7°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 (27.3°F).

  • Average low temperature in October: 44.1°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

Average pressure in October
Tennant, IA

Average pressure in October - Tennant, IA
  • Average pressure in October: 30"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).

Average wind speed in October
Tennant, IA

Average wind speed in October - Tennant, IA
  • Average wind speed in October: 9.7mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in October
Tennant, IA

Average humidity in October - Tennant, IA
  • Average humidity in October: 68%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (68%).

Average rainfall in October
Tennant, IA

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

The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in October
Tennant, IA

Average rainfall days in October - Tennant, IA
  • Average rainfall days in October: 8.5 days

The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in October
Tennant, IA

Average snowfall in October - Tennant, IA
  • Average snowfall in October: 0.24"

The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Tennant, IA

Average snowfall days in October - Tennant, IA
  • Average snowfall days in October: 0.7 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Tennant, 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).

Average sunshine days in October
Tennant, IA

Average sunshine days in October - Tennant, IA
  • Average sunshine days in October: 20.5 days

The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in October
Tennant, IA

Average UV index in October - Tennant, 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).

Average cloud cover in October
Tennant, IA

Average cloud cover in October - Tennant, 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 27).

Average visibility in October
Tennant, IA

Average visibility in October - Tennant, 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).

Tennant, Iowa, USA

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