January weather forecast
Waverly, IA

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Weather in January

January, like December, is another subzero cold winter month in Waverly, Iowa, with an average temperature fluctuating between 23.9°F (-4.5°C) and 11.3°F (-11.5°C).

Temperature

Waverly experiences its lowest temperatures in January, with an average peak of 23.9°F (-4.5°C) and a low of 11.3°F (-11.5°C).

Humidity

January is the most humid month, with an average relative humidity of 87%.

Rainfall

The month with the least rainfall is January, when the rain falls for 4.2 days and typically collects 1.02" (26mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Waverly, in January, during 10.5 snowfall days, 4.33" (110mm) of snow is typically accumulated. In Waverly, during the entire year, snow falls for 43.6 days and aggregates up to 19.25" (489mm) of snow.

Daylight

In January, the average length of the day is 9h and 28min.
On the first day of January, sunrise is at 7:40 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:21 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 3.8h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 1 during January translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. 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.

Frequently asked questions

What is the coldest month?

January, having an average high-temperature of 23.9°F (-4.5°C) and an average low-temperature of 11.3°F (-11.5°C), is the coldest month.

How cold is January?

The high-temperature, in January, in Waverly, is 23.9°F (-4.5°C), while the low-temperature averages to 11.3°F (-11.5°C).

What is the most humid month?

The most humid month is January, with an average relative humidity of 87%.

What is the average humidity in January?

The average relative humidity in January is 87%.

What is the driest month in Waverly?

January is the month with the least rainfall. Rain falls for 4.2 days and accumulates 1.02" (26mm) of precipitation.

How much does it rain in Waverly in January?

In Waverly, in January, it is raining for 4.2 days, with typically 1.02" (26mm) of accumulated precipitation.

How many days does it snow in January?

In January, it is snowing for 10.5 days. Throughout January, 4.33" (110mm) of snow is accumulated.

How many hours of daylight does Waverly have in January?

In January, the average day length is 9h and 28min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:40 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:21 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.8h of sunshine.

How long on average sun shines in January?

The average sunshine duration in January is 3.8h.

What is the month with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index intensity in January?

In Waverly, Iowa, the average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's 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 January
Waverly, IA

Average temperature in January - Waverly, IA
  • Average high temperature in January: 23.9°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (23.9°F).

  • Average low temperature in January: 11.3°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

Average pressure in January
Waverly, IA

Average pressure in January - Waverly, 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
Waverly, IA

Average wind speed in January - Waverly, IA
  • Average wind speed in January: 10.5mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).

Average humidity in January
Waverly, IA

Average humidity in January - Waverly, IA
  • Average humidity in January: 87%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
Waverly, IA

Average rainfall in January - Waverly, IA
  • Average rainfall in January: 1.02"

The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is January (1.02").

Average rainfall days in January
Waverly, IA

Average rainfall days in January - Waverly, IA
  • Average rainfall days in January: 4.2 days

The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (3.9 days).

Average snowfall in January
Waverly, IA

Average snowfall in January - Waverly, IA
  • Average snowfall in January: 4.33"

The month with the highest snowfall is February (5.08").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Waverly, IA

Average snowfall days in January - Waverly, IA
  • Average snowfall days in January: 10.5 days

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Waverly, IA
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in January
Waverly, IA

Average sunshine days in January - Waverly, IA
  • Average sunshine days in January: 17.2 days

The months with the most sunshine days are October and November (17.8 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in January
Waverly, IA

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

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

Average cloud cover in January
Waverly, IA

Average cloud cover in January - Waverly, IA
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in January
Waverly, IA

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

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

Waverly, Iowa, USA

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