January weather forecast
Sula, MT

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Weather in January

January, the same as December, in Sula, Montana, is another subzero cold winter month, with temperature in the range of an average high of 26.8°F (-2.9°C) and an average low of 11.1°F (-11.6°C).

Temperature

Sula registers an average high-temperature of a still subzero cold 26.8°F (-2.9°C) with the arrival of January, showing minor deviation from the preceding month. Throughout January nights, Sula registers an average low-temperature of 11.1°F (-11.6°C).

Humidity

The months with the highest humidity are January and February, with an average relative humidity of 91%.

Rainfall

In Sula, during January, the rain falls for 5.2 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, there are 93.6 rainfall days, and 15.43" (392mm) of precipitation is accumulated.

Snowfall

January through December are months with snowfall in Sula. In January, it is snowing for 17.3 days. Throughout January, 12.72" (323mm) of snow is accumulated. In Sula, during the entire year, snow falls for 129.3 days and aggregates up to 94.92" (2411mm) of snow.

Daylight

The average length of the day in January is 9h and 9min.
On the first day of the month, sunrise is at 8:17 am and sunset at 5:01 pm. On the last day of January, sunrise is at 7:58 am and sunset at 5:39 pm MST.

Sunshine

January and December, with an average of 5.1h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index in Sula, Montana, are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 1 in January, converts into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January in Sula?

In January, the average high-temperature and low-temperature in Sula, Montana, are 26.8°F (-2.9°C) and 11.1°F (-11.6°C) respectively.

What is the most humid month in Sula?

January and February, with an average relative humidity of 91%, are most humid months.

What is the average humidity in January in Sula?

The average relative humidity in January in Sula is 91%.

How many days does it rain in January in Sula?

In Sula, in January, it is raining for 5.2 days, with typically 1.54" (39mm) of accumulated precipitation.

How many days does it snow in January in Sula?

In Sula, during January, snow falls for 17.3 days and regularly aggregates up to 12.72" (323mm) of snow.

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

In January, the average day length in Sula, Montana, is 9h and 9min.

When are sunrise and sunset in January in Sula?

In January, on the first day of the month, sunrise is at 8:17 am and sunset at 5:01 pm. On the last day of the month, in Sula, sunrise is at 7:58 am and sunset at 5:39 pm MST.

What are the months with the least sunshine in Sula?

The months with the least sunshine in Sula are January and December, with an average of 5.1h of sunshine.

How long on average sun shines in January in Sula?

In Sula, the average sunshine duration in January is 5.1h.

When is the lowest UV index in Sula?

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

What is the UV index reading in January in Sula?

In Sula, Montana, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe 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
Sula, MT

Average temperature in January - Sula, MT
  • Average high temperature in January: 26.8°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is December (24.1°F).

  • Average low temperature in January: 11.1°F

The month with the highest average low temperature is August (45.3°F).
The coldest month (with the lowest average low temperature) is December (9.5°F).

Average pressure in January
Sula, MT

Average pressure in January - Sula, MT
  • 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 (29.93"Hg).

Average wind speed in January
Sula, MT

Average wind speed in January - Sula, MT
  • Average wind speed in January: 5.1mph

The windiest month (with the highest average wind speed) is November (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in January
Sula, MT

Average humidity in January - Sula, MT
  • Average humidity in January: 91%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (48%).

Average rainfall in January
Sula, MT

Average rainfall in January - Sula, MT
  • Average rainfall in January: 1.54"

The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is August (0.39").

Average rainfall days in January
Sula, MT

Average rainfall days in January - Sula, MT
  • Average rainfall days in January: 5.2 days

The month with the highest number of rainy days is June (11.7 days).
The months with the least rainy days are January, August and December (5.2 days).

Average snowfall in January
Sula, MT

Average snowfall in January - Sula, MT
  • Average snowfall in January: 12.72"

The month with the highest snowfall is February (14.8").
The month with the least snowfall is July (0.12").

Average snowfall days in January
Sula, MT

Average snowfall days in January - Sula, MT
  • Average snowfall days in January: 17.3 days

The month with the highest number of snowfall days is March (20.3 days).
The month with the least snowfall days is July (0.2 days).

Average daylight in January /
Average sunshine in January
Sula, MT

Average daylight in January / Average sunshine in January - Sula, MT
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

Average sunshine days in January
Sula, MT

Average sunshine days in January - Sula, MT
  • Average sunshine days in January: 13.9 days

The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is March (8.8 days).

Average UV index in January
Sula, MT

Average UV index in January - Sula, MT
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in January
Sula, MT

Average cloud cover in January - Sula, MT
  • Average cloud cover in January: 50

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in January
Sula, MT

Average visibility in January - Sula, MT
  • Average visibility in January: 4mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

Sula, Montana, USA

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