January weather forecast and climate
Ames, IA

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

Temperature

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

Humidity

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

Rainfall

January is the month with the least rainfall in Ames. Rain falls for 4 days and accumulates 0.94" (24mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. 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

In January, 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

The month with the lowest UV index in Ames is January, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: In January, the average maximum UV index of 1 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Ames?

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

What is the temperature in January in Ames?

In Ames, in January, the average high-temperature is 26.6°F (-3°C), and the average low-temperature is 13.5°F (-10.3°C).

What is the most humid month in Ames?

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

What is the average humidity in January in Ames?

The average relative humidity in January is 84%.

How much does it rain in Ames in January?

In January, the rain falls for 4 days. Throughout January, 0.94" (24mm) of precipitation is accumulated.

What is the driest month in Ames?

January is the month with the least rainfall in Ames, Iowa. Rain falls for 4 days and accumulates 0.94" (24mm) of precipitation.

How many days does it snow in January in Ames?

In Ames, Iowa, during January, snow falls for 9.1 days and regularly aggregates up to 4.06" (103mm) of snow.

When does it snow the most in Ames?

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

How many hours of daylight does Ames have in January?

In January, the average length of the day in Ames, Iowa, 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 January, the average sunshine is 3.9h.

When is the lowest UV index in Ames?

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

What is the UV index reading in January in Ames?

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

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").

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).