January weather forecastSouth Amana, IA

January

Weather in January

January, the same as December, in South Amana, Iowa, is another subzero cold winter month, with an average temperature ranging between max 27°F (-2.8°C) and min 14.4°F (-9.8°C).

Temperature

January is the coldest month of the year, registering average temperatures as high as 27°F (-2.8°C) and as low as 14.4°F (-9.8°C).

Humidity

The months with the highest humidity are January, February and July, with an average relative humidity of 84%.

Rainfall

January is the month with the least rainfall. Rain falls for 4.9 days and accumulates 1.14" (29mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall in South Amana, Iowa, is January, when snow falls for 9.4 days and typically aggregates up to 5" (127mm) of snow.

Daylight

In South Amana, the average length of the day in January is 9h and 34min.
On the first day of the month, sunrise is at 7:35 am and sunset at 4:47 pm. On the last day of January, sunrise is at 7:21 am and sunset at 5:21 pm CST.

Sunshine

January has the least sunshine of the year in South Amana, with an average of 4.1h of sunshine.

UV index

The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: The UV index of 1 during January translates into the following guidance:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

South Amana's coldest month, January, registers temperatures that range from a high of 27°F (-2.8°C) to a low of 14.4°F (-9.8°C).

During January, South Amana experiences an average high-temperature of 27°F (-2.8°C) and a low-temperature of 14.4°F (-9.8°C).

The months with the highest humidity in South Amana are January, February and July, with an average relative humidity of 84%.

The average relative humidity in January in South Amana is 84%.

The month with the least rainfall in South Amana is January, when the rain falls for 4.9 days and typically collects 1.14" (29mm) of precipitation.

In South Amana, in January, it is raining for 4.9 days, with typically 1.14" (29mm) of accumulated precipitation.

The month with the most snowfall is January, when snow falls for 9.4 days and typically aggregates up to 5" (127mm) of snow.

In South Amana, in January, during 9.4 snowfall days, 5" (127mm) of snow is typically accumulated.

In January, the average day length is 9h and 34min.

On the first day of January in South Amana, Iowa, sunrise is at 7:35 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:21 pm CST.

With an average of 4.1h of sunshine, January has the least sunshine of the year in South Amana.

In South Amana, Iowa, the average sunshine duration in January is 4.1h.

The month with the lowest UV index in South Amana, Iowa, is January, with an average maximum UV index of 1.

The average daily maximum UV index in January in South Amana is 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
South Amana, IA

  • Average high temperature in January: 27°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in January: 14.4°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

Average pressure in January
South Amana, IA

  • Average pressure in January: 30.14"Hg

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

Average wind speed in January
South Amana, IA

  • Average wind speed in January: 10.7mph

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in January
South Amana, IA

  • Average humidity in January: 84%

The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
South Amana, IA

  • Average rainfall in January: 1.14"

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in January
South Amana, IA

  • Average rainfall days in January: 4.9 days

The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in January
South Amana, IA

  • Average snowfall in January: 5"

The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
South Amana, IA

  • Average snowfall days in January: 9.4 days

The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
South Amana, IA

  • Average daylight in January: 9h and 36min

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 January: 4h and 6min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in January
South Amana, IA

  • Average sunshine days in January: 18.3 days

The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is June (9.6 days).

Average UV index in January
South Amana, IA

  • Average UV index in January: 1

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 January
South Amana, IA

  • Average cloud cover in January: 56

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in January
South Amana, IA

  • Average visibility in January: 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).