January weather forecast
Promise City, IA

Share

Weather in January

January, the same as December, in Promise City, Iowa, is another subzero cold winter month, with an average temperature fluctuating between 30°F (-1.1°C) and 16.5°F (-8.6°C).

Temperature

January, recording an average high temperature of 30°F (-1.1°C) and a low temperature of 16.5°F (-8.6°C), is Promise City's coldest month.

Humidity

The average relative humidity in January is 81%.

Rainfall

The months with the least rainfall are January and December Rain falls for 4.5 days and accumulates 0.71" (18mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 8.6 days and accumulates 3.23" (82mm) of snow.

Daylight

The average length of the day in January is 9h and 39min.
On the first day of the month, sunrise is at 7:36 am and sunset at 4:55 pm. On the last day of January, sunrise is at 7:23 am and sunset at 5:28 pm CST.

Sunshine

January has the least sunshine of the year in Promise City, with an average of 4.3h of sunshine.

UV index

With an average maximum UV index of 1, January is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 1 during January morphs into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What are the coldest months?

In Promise City, January is the month with the lowest recorded average temperatures, measuring a high of 30°F (-1.1°C) and a low of 16.5°F (-8.6°C).

How cold is it in January?

Promise City in January has an average high-temperature of 30°F (-1.1°C) and an average low-temperature of 16.5°F (-8.6°C).

What is the average humidity in January?

The average relative humidity in January is 81%.

What is the driest month?

January and December are months with the least rain when the rain falls for 4.5 days and typically aggregates up to 0.71" (18mm) of rain.

How much does it rain in January?

In January, the rain falls for 4.5 days. Throughout January, 0.71" (18mm) of precipitation is accumulated.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 8.6 days and typically aggregates up to 3.23" (82mm) of snow.

How much does it snow in January?

In Promise City, Iowa, in January, during 8.6 snowfall days, 3.23" (82mm) of snow is typically accumulated.

How many hours of daylight does Promise City have in January?

In January, the average day length is 9h and 39min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:36 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:28 pm CST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 4.3h of sunshine.

How many hours of sunshine does Promise City have in January?

In January, the average sunshine duration is 4.3h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

The average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
Promise City, IA

Average temperature in January - Promise City, IA
  • Average high temperature in January: 30°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in January: 16.5°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in January
Promise City, IA

Average pressure in January - Promise City, IA
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in January
Promise City, IA

Average wind speed in January - Promise City, IA
  • Average wind speed in January: 10.6mph

The windiest months (with the highest average wind speed) are January and March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in January
Promise City, IA

Average humidity in January - Promise City, IA
  • Average humidity in January: 81%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
Promise City, IA

Average rainfall in January - Promise City, IA
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is June (3.31").
The driest months (with the least rainfall) are January and December (0.71").

Average rainfall days in January
Promise City, IA

Average rainfall days in January - Promise City, IA
  • Average rainfall days in January: 4.5 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in January
Promise City, IA

Average snowfall in January - Promise City, IA
  • Average snowfall in January: 3.23"

The month with the highest snowfall is January (3.23").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Promise City, IA

Average snowfall days in January - Promise City, IA
  • Average snowfall days in January: 8.6 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Promise City, IA

Average daylight in January / Average sunshine in January - Promise City, IA
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 4h and 2min

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 18min).

Average sunshine days in January
Promise City, IA

Average sunshine days in January - Promise City, IA
  • Average sunshine days in January: 20.1 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in January
Promise City, IA

Average UV index in January - Promise City, IA
  • Average UV index in January: 1

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

Average cloud cover in January
Promise City, IA

Average cloud cover in January - Promise City, IA
  • Average cloud cover in January: 52

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July, August and September (Cloud cover 29).

Average visibility in January
Promise City, IA

Average visibility in January - Promise City, IA
  • Average visibility in January: 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).

Promise City, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location