January weather forecast
Atlantic City, WY

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Weather in January

January, the same as December, in Atlantic City, Wyoming, is another subzero cold winter month, with an average temperature fluctuating between 13.5°F (-10.3°C) and 29.7°F (-1.3°C).

Temperature

Atlantic City's transition from December to January introduces an average high-temperature of a still freezing cold 29.7°F (-1.3°C), marking an insignificant variation from the 28.4°F (-2°C). During the month of January, the temperature falls to an average of 13.5°F (-10.3°C).

Humidity

The average relative humidity in January is 77%.

Rainfall

The month with the least rainfall in Atlantic City is January, when the rain falls for 6.3 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

Months with snowfall in Atlantic City are January through May, September through December. In Atlantic City, Wyoming, in January, snow falls for 8.4 days, with typically accumulated 3.03" (77mm) of snow. In Atlantic City, during the entire year, snow falls for 56.8 days and aggregates up to 40.94" (1040mm) of snow.

Daylight

In Atlantic City, the average length of the day in January is 9h and 29min.
On the first day of the month, sunrise is at 7:44 am and sunset at 4:52 pm. On the last day of January, sunrise is at 7:29 am and sunset at 5:26 pm MST.

Sunshine

The average sunshine in January in Atlantic City is 6.9h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in January?

In January, in Atlantic City, the average high-temperature is 29.7°F (-1.3°C), and the average low-temperature is 13.5°F (-10.3°C).

What is the average humidity in January in Atlantic City?

In January, the average relative humidity is 77%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 6.3 days and typically collects 0.43" (11mm) of precipitation.

How many days does it rain in January?

In January, the rain falls for 6.3 days. Throughout January, 0.43" (11mm) of precipitation is accumulated.

How many days does it snow in January?

In January, it is snowing for 8.4 days. Throughout January, 3.03" (77mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 29min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:44 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:26 pm MST.

How long on average sun shines in January?

In January, the average sunshine duration is 6.9h.

What are the months with the lowest UV index?

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2.

What is the UV index intensity in January?

In Atlantic City, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
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
Atlantic City, WY

Average temperature in January - Atlantic City, WY
  • Average high temperature in January: 29.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (28.4°F).

  • Average low temperature in January: 13.5°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

Average pressure in January
Atlantic City, WY

Average pressure in January - Atlantic City, WY
  • Average pressure in January: 30.23"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in January
Atlantic City, WY

Average wind speed in January - Atlantic City, WY
  • Average wind speed in January: 7mph

The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in January
Atlantic City, WY

Average humidity in January - Atlantic City, WY
  • Average humidity in January: 77%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (34%).

Average rainfall in January
Atlantic City, WY

Average rainfall in January - Atlantic City, WY
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in January
Atlantic City, WY

Average rainfall days in January - Atlantic City, WY
  • Average rainfall days in January: 6.3 days

The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is November (4.8 days).

Average snowfall in January
Atlantic City, WY

Average snowfall in January - Atlantic City, WY
  • Average snowfall in January: 3.03"

The month with the highest snowfall is April (8.15").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Atlantic City, WY

Average snowfall days in January - Atlantic City, WY
  • Average snowfall days in January: 8.4 days

The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in January /
Average sunshine in January
Atlantic City, WY

Average daylight in January / Average sunshine in January - Atlantic City, WY
  • Average daylight in January: 9h and 3min

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 6min).

  • Average sunshine in January: 6h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days in January
Atlantic City, WY

Average sunshine days in January - Atlantic City, WY
  • Average sunshine days in January: 21.3 days

The month with the most sunshine days is September (22 days).
The month with the least sunshine days is April (12.3 days).

Average UV index in January
Atlantic City, WY

Average UV index in January - Atlantic City, WY
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in January
Atlantic City, WY

Average cloud cover in January - Atlantic City, WY
  • Average cloud cover in January: 23

The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in January
Atlantic City, WY

Average visibility in January - Atlantic City, WY
  • 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).

Atlantic City, Wyoming, USA

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