January weather forecast
Ames, IA

Weather in January

January, like December, is another subzero cold winter month in Ames, Iowa, with temperature in the range of an average low of 13.5°F (-10.3°C) and an average high of 26.6°F (-3°C).

Temperature

January is the coldest month, with an average high-temperature of 26.6°F (-3°C) and an average low-temperature of 13.5°F (-10.3°C).

Humidity

With an average relative humidity of 84%, January is the most humid month in Ames.

Rainfall

The month with the least rainfall in Ames is January when the rain falls for 4 days and typically collects 0.94" (24mm) of precipitation.

Snowfall

Months with snowfall in Ames are January through May, October through December. The month with the most snowfall is January when snow falls for 9.1 days and typically aggregates up to 4.06" (103mm) of snow.

Daylight

The average length of the day in Ames is 9.5h.

Sunshine

January has the least sunshine of the year, with an average of 3.9h of sunshine.

UV index

With an average maximum UV index of 1, January is the month with the lowest UV index in Ames, Iowa. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 1 in January transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Ames?

January is the coldest month in Ames, Iowa, with an average high-temperature of 26.6°F (-3°C) and an average low-temperature of 13.5°F (-10.3°C).

What is the most humid month in Ames?

The most humid month in Ames, Iowa, is January, with an average relative humidity of 84%.

What is the average humidity in January in Ames?

In Ames, the average relative humidity in January is 84%.

What is the driest month in Ames?

The month with the least rainfall in Ames is January when the rain falls for 4 days and typically collects 0.94" (24mm) of precipitation.

How many days does it rain in January in Ames?

In Ames, during January, the rain falls for 4 days and regularly aggregates up to 0.94" (24mm) of precipitation.

What is the snowiest month in Ames?

January is the month with the most snowfall in Ames. Snow falls for 9.1 days and accumulates 4.06" (103mm) of snow.

How much does it snow in Ames in January?

In Ames, Iowa, in January, during 9.1 snowfall days, 4.06" (103mm) of snow is typically accumulated.

What is the average length of the day in January in Ames?

In January, the average length of the day in Ames is 9.5h.

What is the month with the least sunshine in Ames?

January has the least sunshine of the year in Ames, with an average of 3.9h of sunshine.

How long on average sun shines in January in Ames?

In Ames, the average sunshine in January is 3.9h.

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

January is the month with the lowest UV index in Ames, with an average maximum UV index of 1.

What is the UV index intensity in January in Ames?

The average daily maximum UV index in January in Ames, Iowa, is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV rays.

Average temperature in January
Ames, IA

Average temperature in January - Ames, IA
  • Average high temperature in January: 26.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in January: 13.5°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

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Average pressure in January
Ames, IA

Average pressure in January - Ames, IA
  • Average pressure in January: 30.16"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in January
Ames, IA

Average wind speed in January - Ames, IA
  • Average wind speed in January: 10.4mph

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

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Average humidity in January
Ames, IA

Average humidity in January - Ames, IA
  • Average humidity in January: 84%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in January
Ames, IA

Average rainfall in January - Ames, IA
  • Average rainfall in January: 0.94"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days in January
Ames, IA

Average rainfall days in January - Ames, IA
  • Average rainfall days in January: 4 days

The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (3.3 days).

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Average snowfall in January
Ames, IA

Average snowfall in January - Ames, IA
  • Average snowfall in January: 4.06"

The month with the highest snowfall is January (4.06").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Ames, IA

Average snowfall days in January - Ames, IA
  • Average snowfall days in January: 9.1 days

The month with the highest number of snowfall days is January (9.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Ames, IA

Average daylight in January / Average sunshine in January - Ames, IA
  • Average daylight in January: 9.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in January: 3.9h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 3.9h).

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Average sunshine days in January
Ames, IA

Average sunshine days in January - Ames, IA
  • Average sunshine days in January: 18.8 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (10.4 days).

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Average UV index in January
Ames, IA

Average UV index in January - Ames, IA
  • Average UV index in January: 1

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).

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Average cloud cover in January
Ames, IA

Average cloud cover in January - Ames, IA
  • Average cloud cover in January: 57

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 31).

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Average visibility in January
Ames, IA

Average visibility in January - Ames, IA
  • Average visibility in January: 5mi

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

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